/* ============================================================
   INSIGHTRA V2 — shared design system
   Navy × Gold · platform-grade · motion-rich
   ============================================================ */
:root{
  --navy:#0C2347; --navy-2:#122E5C; --ink:#081A38; --deep:#061228;
  --gold:#B87F30; --gold-l:#D9A254; --gold-xl:#F0C27D;
  --paper:#F6F9FE; --card:#FFFFFF; --line:#DFE8F5; --muted:#56657F;
  --mint:#26A896; --sky:#3579B4; --coral:#E5635B; --violet:#7A5BD8;
  --r-lg:26px; --r-md:18px; --r-sm:12px;
  --shadow-s:0 2px 10px rgba(12,35,71,.06);
  --shadow-m:0 10px 32px rgba(12,35,71,.12);
  --shadow-l:0 24px 64px rgba(12,35,71,.18);
  --ease:cubic-bezier(.22,.9,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:'IBM Plex Sans','Noto Sans SC',system-ui,sans-serif;
  color:var(--navy); background:var(--paper);
  overflow-x:hidden; line-height:1.65;
  opacity:0; animation:pageIn .7s var(--ease) .05s forwards;
}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
h1,h2,h3,h4{font-family:'Bricolage Grotesque','Noto Sans SC',sans-serif;letter-spacing:-.02em;line-height:1.15}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
::selection{background:var(--gold-l);color:var(--ink)}

/* language toggle */
.zh-only{display:none}
html.zh .zh-only{display:revert}
html.zh .en-only{display:none}

/* ---------------- NAV ---------------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;gap:28px;
  padding:14px clamp(18px,4vw,44px);
  background:rgba(8,20,44,.55);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s,box-shadow .3s;
}
.nav.scrolled{background:rgba(8,20,44,.92);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.nav .brand{display:flex;align-items:center;gap:11px;font-family:'Bricolage Grotesque';font-weight:800;font-size:1.22rem;color:#fff;margin-right:auto}
.nav .brand .arc{width:32px;height:20px;position:relative;flex:0 0 auto}
.nav .brand .arc::before{content:'';position:absolute;inset:0;border:3px solid var(--gold-l);border-bottom:none;border-radius:50% 50% 0 0/100% 100% 0 0}
.nav .brand .arc::after{content:'';position:absolute;left:50%;top:7px;width:6px;height:6px;border-radius:50%;background:var(--gold-l);transform:translateX(-50%)}
.nav .links{display:flex;gap:4px;align-items:center}
.nav .links a{
  color:rgba(255,255,255,.78);font-weight:600;font-size:.94rem;
  padding:9px 14px;border-radius:99px;transition:all .2s;
}
.nav .links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav .links a.active{color:var(--ink);background:var(--gold-l)}
.lang-btn{
  color:#fff;border:1.5px solid rgba(255,255,255,.45);border-radius:99px;
  padding:8px 16px;font-weight:700;font-size:.9rem;transition:all .2s;
}
.lang-btn:hover{background:#fff;color:var(--navy)}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:all .3s}
.m-menu{
  display:none;position:fixed;inset:0;z-index:99;background:rgba(6,18,40,.98);
  padding:110px 32px 40px;flex-direction:column;gap:6px;
}
.m-menu.open{display:flex}
.m-menu a{color:#fff;font-size:1.3rem;font-weight:700;padding:14px 6px;border-bottom:1px solid rgba(255,255,255,.08)}
.m-menu a.active{color:var(--gold-xl)}

/* ---------------- HERO (dark) ---------------- */
.hero{
  position:relative;background:radial-gradient(120% 90% at 70% -10%,#1A3E7C 0%,var(--navy) 42%,var(--deep) 100%);
  color:#fff;overflow:hidden;
}
.hero.full{min-height:100svh;display:flex;flex-direction:column}
.hero.page{padding:150px clamp(20px,5vw,60px) 80px;text-align:center}
#net{position:absolute;inset:0;z-index:0;opacity:.9}
.hero .aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.4;pointer-events:none;z-index:0}
.hero .aurora.a1{width:55vmin;height:55vmin;background:#2E6FD8;top:-16vmin;right:-10vmin;animation:drift 12s ease-in-out infinite}
.hero .aurora.a2{width:42vmin;height:42vmin;background:var(--gold);bottom:-14vmin;left:-8vmin;animation:drift 15s ease-in-out infinite reverse}
.hero .aurora.a3{width:34vmin;height:34vmin;background:var(--violet);top:34%;left:58%;animation:drift 18s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(5vmin,-4vmin) scale(1.08)}}
.hero-inner{
  position:relative;z-index:2;max-width:1150px;margin:auto;
  padding:150px clamp(20px,5vw,60px) 90px;text-align:center;flex:1;
  display:flex;flex-direction:column;justify-content:center;align-items:center;
}
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);
  border-radius:99px;padding:9px 20px;font-size:.88rem;font-weight:600;
  color:rgba(255,255,255,.9);margin-bottom:26px;backdrop-filter:blur(6px);
}
.kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--gold-xl);animation:pulseDot 2s ease infinite}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 0 rgba(240,194,125,.6)}50%{box-shadow:0 0 0 7px rgba(240,194,125,0)}}
.hero h1{font-size:clamp(2.4rem,6.2vw,4.6rem);font-weight:800;margin-bottom:22px;max-width:19ch}
.grad{
  background:linear-gradient(92deg,var(--gold-xl) 0%,var(--gold-l) 35%,#FFE8C2 55%,var(--gold-l) 75%,var(--gold-xl) 100%);
  background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:sheen 5.5s linear infinite;
}
@keyframes sheen{to{background-position:220% 0}}
.hero .lead{font-size:clamp(1.02rem,2.1vw,1.28rem);color:rgba(255,255,255,.82);max-width:62ch;margin:0 auto 38px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:9px;border-radius:99px;
  font-weight:800;font-size:1.02rem;padding:16px 34px;transition:transform .18s,box-shadow .25s;
}
.btn:active{transform:scale(.96)}
.btn-gold{background:linear-gradient(180deg,var(--gold-l),var(--gold));color:#fff;box-shadow:0 12px 32px rgba(184,127,48,.42)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(184,127,48,.55)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff;backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-navy{background:var(--navy);color:#fff;box-shadow:0 10px 26px rgba(12,35,71,.3)}
.btn-navy:hover{transform:translateY(-2px)}
.scroll-cue{position:relative;z-index:2;text-align:center;padding-bottom:26px;color:rgba(255,255,255,.55);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase}
.scroll-cue::after{content:'';display:block;width:1.5px;height:40px;background:linear-gradient(180deg,var(--gold-l),transparent);margin:10px auto 0;animation:cue 1.8s ease infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ticker marquee */
.ticker{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);overflow:hidden;padding:15px 0}
.ticker .track{display:flex;gap:54px;width:max-content;animation:marquee 30s linear infinite;white-space:nowrap}
.ticker span{color:rgba(255,255,255,.65);font-weight:600;font-size:.92rem;display:flex;align-items:center;gap:10px}
.ticker b{color:var(--gold-xl)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------------- SECTIONS ---------------- */
.sec{padding:clamp(70px,9vw,120px) clamp(20px,5vw,60px)}
.sec.tint{background:linear-gradient(180deg,#EEF4FD,var(--paper))}
.sec.dark{background:linear-gradient(160deg,var(--navy),var(--deep));color:#fff}
.wrap{max-width:1150px;margin:0 auto}
.sec-label{font-size:.8rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.sec.dark .sec-label{color:var(--gold-xl)}
.sec-title{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;margin-bottom:16px;max-width:24ch}
.sec-sub{color:var(--muted);font-size:1.05rem;max-width:66ch;margin-bottom:46px}
.sec.dark .sec-sub{color:rgba(255,255,255,.75)}
.center{text-align:center}
.center .sec-title,.center .sec-sub{margin-left:auto;margin-right:auto}

/* sunrise arc divider */
.arc-div{display:flex;justify-content:center;margin:-2px 0 34px}
.arc-div svg{width:120px;height:34px}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}

/* ---------------- CARDS ---------------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--shadow-s);transition:transform .3s var(--ease),box-shadow .3s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-m)}
.card .ic{
  width:54px;height:54px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;margin-bottom:18px;color:#fff;
}
.card h3{font-size:1.22rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.95rem}
.card .top-line{position:absolute;top:0;left:0;right:0;height:4px}
.c-mint .ic,.c-mint .top-line{background:linear-gradient(135deg,var(--mint),#1E8A7B)}
.c-sky .ic,.c-sky .top-line{background:linear-gradient(135deg,var(--sky),#245E94)}
.c-coral .ic,.c-coral .top-line{background:linear-gradient(135deg,var(--coral),#C74840)}
.c-violet .ic,.c-violet .top-line{background:linear-gradient(135deg,var(--violet),#5B3FB8)}
.c-gold .ic,.c-gold .top-line{background:linear-gradient(135deg,var(--gold-l),var(--gold))}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  text-align:center;padding:34px 16px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px);
}
.stat .num{font-family:'Bricolage Grotesque';font-size:clamp(2.2rem,4.6vw,3.3rem);font-weight:800;color:var(--gold-xl);line-height:1.1}
.stat .lbl{color:rgba(255,255,255,.75);font-size:.92rem;font-weight:600;margin-top:6px}

/* mission pillars */
.pillar{display:flex;gap:20px;align-items:flex-start;padding:26px 0;border-bottom:1px solid var(--line)}
.pillar:last-child{border-bottom:none}
.pillar .pn{
  font-family:'Bricolage Grotesque';font-weight:800;font-size:1rem;color:#fff;
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-l),var(--gold));
}
.pillar h3{font-size:1.28rem;margin-bottom:6px}
.pillar p{color:var(--muted)}

/* quote band */
.quote{
  font-family:'Bricolage Grotesque','Noto Sans SC';font-size:clamp(1.3rem,3vw,2rem);
  font-weight:700;line-height:1.5;max-width:30ch;margin:0 auto;
}
.quote em{font-style:normal;color:var(--gold-xl)}

/* ---------------- PHOTOS / EVENTS ---------------- */
.ev-card{
  display:grid;grid-template-columns:1.05fr 1fr;border-radius:var(--r-lg);overflow:hidden;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-s);
  transition:transform .3s var(--ease),box-shadow .3s;
}
.ev-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.ev-card.flip{grid-template-columns:1fr 1.05fr}
.ev-card .ph{position:relative;min-height:300px;overflow:hidden}
.ev-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.ev-card:hover .ph img{transform:scale(1.06)}
.ev-card .bd{padding:36px}
.badge{display:inline-block;border-radius:99px;padding:6px 15px;font-size:.78rem;font-weight:800;letter-spacing:.06em;margin-bottom:14px}
.badge.gold{background:rgba(184,127,48,.14);color:var(--gold);border:1px solid rgba(184,127,48,.35)}
.badge.mint{background:rgba(38,168,150,.12);color:#1E8A7B;border:1px solid rgba(38,168,150,.35)}
.badge.sky{background:rgba(53,121,180,.12);color:var(--sky);border:1px solid rgba(53,121,180,.35)}
.ev-card h3{font-size:1.45rem;margin-bottom:10px}
.ev-card .meta{color:var(--muted);font-size:.9rem;font-weight:600;margin-bottom:14px;display:flex;gap:16px;flex-wrap:wrap}
.ev-card p{color:var(--muted);font-size:.96rem}
.ev-stats{display:flex;gap:26px;margin-top:20px}
.ev-stats b{font-family:'Bricolage Grotesque';font-size:1.5rem;color:var(--navy);display:block;line-height:1.1}
.ev-stats span{font-size:.8rem;color:var(--muted);font-weight:600}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery figure{border-radius:var(--r-md);overflow:hidden;position:relative;aspect-ratio:4/3;box-shadow:var(--shadow-s)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.gallery figure:hover img{transform:scale(1.07)}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 16px 13px;color:#fff;font-size:.86rem;font-weight:600;
  background:linear-gradient(180deg,transparent,rgba(6,18,40,.85));
}

/* ---------------- PARTNERS ---------------- */
.pt-card{display:flex;flex-direction:column;gap:12px;padding:34px}
.pt-card .tag{font-size:.78rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
.pt-card h3{font-size:1.5rem}
.pt-card .link{color:var(--sky);font-weight:700;font-size:.92rem;margin-top:auto}
.logo-strip{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.logo-chip{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 30px;
  font-family:'Bricolage Grotesque';font-weight:800;font-size:1.12rem;color:var(--navy);
  box-shadow:var(--shadow-s);display:flex;align-items:center;gap:10px;
}

/* tiers */
.tier{position:relative;padding-top:38px}
.tier .crown{position:absolute;top:-16px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--gold-l),var(--gold));color:#fff;border-radius:99px;padding:7px 20px;font-weight:800;font-size:.82rem;box-shadow:0 8px 20px rgba(184,127,48,.4)}
.tier ul{list-style:none;margin-top:14px;display:grid;gap:9px}
.tier li{display:flex;gap:9px;font-size:.92rem;color:var(--muted)}
.tier li::before{content:'✦';color:var(--gold);flex:0 0 auto}

/* ---------------- RESEARCH ---------------- */
.insight{
  border-radius:var(--r-lg);padding:30px;background:linear-gradient(150deg,#fff,#EFF5FF);
  border:1px solid var(--line);box-shadow:var(--shadow-s);text-align:center;
}
.insight .big{font-family:'Bricolage Grotesque';font-size:clamp(2rem,4vw,2.9rem);font-weight:800;color:var(--navy)}
.insight .big i{font-style:normal;color:var(--gold)}
.insight p{color:var(--muted);font-size:.9rem;font-weight:600;margin-top:6px}
.post{display:flex;flex-direction:column}
.post .cat{font-size:.78rem;font-weight:800;letter-spacing:.1em;color:var(--sky);text-transform:uppercase;margin-bottom:10px}
.post h3{font-size:1.25rem;margin-bottom:10px}
.post .more{margin-top:auto;padding-top:14px;color:var(--gold);font-weight:800;font-size:.92rem}

/* ---------------- VIDEO ---------------- */
.video-shell{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-l);
  border:1px solid rgba(255,255,255,.14);background:#000;
}
.video-shell video{width:100%;display:block}
.video-glow{position:absolute;inset:-40px;z-index:-1;background:radial-gradient(60% 60% at 50% 50%,rgba(184,127,48,.35),transparent 70%);filter:blur(30px)}

/* ---------------- FORMS ---------------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--shadow-m)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-group{margin-bottom:18px}
.f-group label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}
.f-group input,.f-group textarea,.f-group select{
  width:100%;border:1.5px solid var(--line);border-radius:14px;padding:14px 16px;
  font-family:inherit;font-size:1rem;color:var(--navy);outline:none;transition:border .2s,box-shadow .2s;background:#FBFDFF;
}
.f-group input:focus,.f-group textarea:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(184,127,48,.12)}
.info-tile{display:flex;gap:16px;align-items:flex-start;padding:22px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-s)}
.info-tile .ii{width:46px;height:46px;flex:0 0 46px;border-radius:13px;background:linear-gradient(135deg,var(--navy),var(--navy-2));color:var(--gold-xl);display:flex;align-items:center;justify-content:center;font-size:1.3rem}
.info-tile b{display:block;margin-bottom:3px}
.info-tile span,.info-tile a{color:var(--muted);font-size:.93rem}
.info-tile a{text-decoration:underline;text-decoration-color:rgba(184,127,48,.5)}

/* ---------------- FOOTER ---------------- */
footer{background:var(--deep);color:rgba(255,255,255,.75);padding:66px clamp(20px,5vw,60px) 34px}
.f-grid{max-width:1150px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
footer h4{color:#fff;font-size:1rem;margin-bottom:16px}
footer .f-links{display:grid;gap:9px}
footer .f-links a{font-size:.92rem;transition:color .2s}
footer .f-links a:hover{color:var(--gold-xl)}
.f-brand img{width:190px;margin-bottom:14px}
.f-brand p{font-size:.88rem;max-width:34ch}
.f-bottom{max-width:1150px;margin:40px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem;color:rgba(255,255,255,.45)}
.f-motto{letter-spacing:.3em;font-weight:700;color:var(--gold-l);font-size:.78rem}

/* CTA band */
.cta-band{
  border-radius:var(--r-lg);padding:clamp(40px,6vw,70px);text-align:center;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#1A3E7C 100%);box-shadow:var(--shadow-l);
}
.cta-band::before{content:'';position:absolute;top:-55%;left:-20%;width:40%;height:220%;transform:rotate(20deg);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);animation:bandShine 4.5s ease infinite}
@keyframes bandShine{from{left:-45%}to{left:125%}}
.cta-band h2{font-size:clamp(1.6rem,3.6vw,2.5rem);margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.8);max-width:58ch;margin:0 auto 28px}

/* floating wa button */
.float-mail{
  position:fixed;right:22px;bottom:22px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-l),var(--gold));color:#fff;font-size:1.5rem;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(184,127,48,.5);
  transition:transform .2s;
}
.float-mail:hover{transform:translateY(-4px) scale(1.06)}

/* ---------------- RESPONSIVE ---------------- */
@media (max-width:980px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
  .ev-card,.ev-card.flip{grid-template-columns:1fr}
  .ev-card .ph{min-height:240px}
  .gallery{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .nav .links{display:none}
  .burger{display:flex}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .hero-inner{padding-top:120px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}