:root{
  --ink:#3a2e26; --light:#f7f0e6; --paper:#fffaf2; --mid:#b9a892; --lg:#ebe0cd;
  --amber:#cf7d4e; --coral:#c2584c; --sage:#8a9a6f;
  --head:'Fraunces','Noto Serif SC',serif; --body:'Lora','Noto Serif SC',serif;
  --maxw:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--light);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,.head{font-family:var(--head);font-weight:600;letter-spacing:-.3px;line-height:1.2}
/* emphasis: amber, upright (NOT italic), professional */
em,.amber{font-style:normal;color:var(--amber);font-weight:600}
.sage{color:var(--sage)} .coral{color:var(--coral)}
.hero h1 em{color:#bd5a30;text-shadow:0 1px 18px rgba(247,240,230,.92)}
.eyebrow{font-family:var(--head);font-size:14px;letter-spacing:3px;text-transform:uppercase;color:var(--amber);font-weight:600}
.sec{padding:88px 0}
.sec-title{font-size:clamp(27px,4.2vw,42px);margin:10px 0 16px}
.lead{font-size:clamp(16px,2vw,19px);color:#5b4d42;max-width:780px}
.tinted{background:linear-gradient(180deg,#f3e9da,#f7f0e6)}

/* NAV */
header.nav{position:sticky;top:0;z-index:50;background:rgba(247,240,230,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--lg)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand img{height:36px;width:auto;display:block}
.menu{display:flex;gap:28px;font-family:var(--head);font-size:15px}
.menu a{color:#5b4d42;transition:color .2s}
.menu a:hover{color:var(--amber)}
.menu-btn{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}

/* HERO */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 35%}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(247,240,230,.985) 0%,rgba(247,240,230,.95) 46%,rgba(247,240,230,.74) 72%,rgba(247,240,230,.45) 100%)}
.hero-in{position:relative;z-index:2;padding:56px 0;text-align:left}
.slogan{font-family:var(--head);font-size:clamp(20px,2.8vw,28px);color:#b85c2c;font-weight:700;margin-bottom:22px;text-shadow:0 1px 12px rgba(247,240,230,.85)}
.hero h1{font-size:clamp(30px,5vw,52px);max-width:720px;margin-bottom:18px;color:#2b231d;text-shadow:0 1px 18px rgba(247,240,230,.92),0 0 2px rgba(247,240,230,.6)}
.pname{display:inline-block;font-family:var(--head);font-size:clamp(15px,2vw,19px);color:#4a3d33;font-weight:600;background:var(--paper);border:1px solid var(--lg);border-left:4px solid var(--amber);border-radius:8px;padding:9px 18px;margin-bottom:20px}
.hero p.desc{font-size:clamp(15px,1.7vw,17.5px);max-width:600px;color:#3a2e26;font-weight:500;text-shadow:0 1px 12px rgba(247,240,230,.9)}
.trustline{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-family:var(--head);font-size:16px;color:#3a2e26;font-weight:600;text-shadow:0 1px 10px rgba(247,240,230,.85)}
.trustline span{display:flex;align-items:center;gap:8px}
.trustline span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--amber)}
.certs{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:20px}
.certs img{height:92px;width:auto;background:#fff;border:1px solid var(--lg);border-radius:8px;padding:5px;cursor:zoom-in;transition:transform .2s,box-shadow .2s}
.certs img:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(58,46,38,.12)}
.certs .more{font-family:var(--head);font-size:13px;color:var(--mid)}

/* generic cards */
.grid{display:grid;gap:22px}
.g4{grid-template-columns:repeat(4,1fr)} .g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--paper);border:1px solid var(--lg);border-radius:14px;overflow:hidden}
.card .ph{aspect-ratio:4/3;overflow:hidden;background:var(--lg)}
.card .ph img{width:100%;height:100%;object-fit:cover;filter:brightness(1.08) saturate(1.02);transition:transform .5s}
.card:hover .ph img{transform:scale(1.05)}
.card .bd{padding:20px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{font-size:14.5px;color:#5b4d42}

/* principle */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center}
.tearwrap{position:relative}
.tearwrap img{border-radius:14px;border:1px solid var(--lg);filter:brightness(1.06)}
.tearlabels{display:flex;justify-content:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.tearlabels span{font-family:var(--head);font-size:13.5px;color:#4a3d33;background:var(--paper);border:1px solid var(--lg);border-radius:30px;padding:6px 15px}
.tearlabels span b{color:var(--amber)}
.dual{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:34px}
.panel{background:var(--paper);border:1px solid var(--lg);border-radius:16px;padding:30px;overflow:hidden;display:flex;flex-direction:column}
.panel h3{font-size:clamp(20px,2.6vw,24px);margin-bottom:14px}
.spec{margin-top:14px;padding-top:14px;border-top:1px solid var(--lg);font-size:15.5px;color:#5b4d42;line-height:1.65}
.spec b{font-family:var(--head);color:var(--amber);font-size:15.5px;font-weight:600}
.panel video{width:100%;aspect-ratio:16/9;border-radius:12px;margin-top:auto;background:#000;border:1px solid var(--lg)}
.panel .specwrap{margin-bottom:18px}

/* timeline accordion */
.tl{position:relative;margin-top:40px;border-left:2px solid var(--lg);padding-left:30px}
.tl .item{position:relative;padding-bottom:18px}
.tl .item::before{content:"";position:absolute;left:-37px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--amber);border:3px solid var(--light)}
.tl .item.key::before{background:var(--coral)}
.tl .sum{cursor:pointer;display:flex;align-items:baseline;gap:14px;padding:6px 0}
.tl .yr{font-family:var(--head);font-weight:600;color:var(--amber);font-size:17px;white-space:nowrap}
.tl .item.key .yr{color:var(--coral)}
.tl .sum h3{font-size:17px}
.tl .sum .tog{margin-left:auto;font-family:var(--head);color:var(--mid);font-size:20px;transition:transform .25s}
.tl .item.open .sum .tog{transform:rotate(45deg)}
.tl .detail{max-height:0;overflow:hidden;transition:max-height .35s ease}
.tl .item.open .detail{max-height:320px}
.tl .detail p{font-size:14.5px;color:#5b4d42;max-width:720px;padding:4px 0 10px}
.reflink{display:inline-flex;align-items:center;gap:7px;font-family:var(--head);font-size:13.5px;color:var(--sage);border:1px solid var(--sage);padding:7px 15px;border-radius:30px;transition:all .2s}
.reflink:hover{background:var(--sage);color:#fff}

.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--head);font-size:14px;color:var(--amber);border:1px solid var(--amber);padding:10px 20px;border-radius:30px;margin-top:24px;transition:all .2s}
.btn:hover{background:var(--amber);color:#fff}

/* trust: vertical video module */
.vmod{display:grid;grid-template-columns:9fr 11fr;gap:40px;align-items:center;margin-top:40px}
.vframe{aspect-ratio:9/16;max-height:560px;border-radius:18px;overflow:hidden;border:1px solid var(--lg);background:#000;position:relative;margin:0 auto;width:100%}
.vframe img,.vframe video{width:100%;height:100%;object-fit:cover}
.vframe .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.vframe .play span{width:64px;height:64px;border-radius:50%;background:rgba(207,125,78,.92);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px}
.vmod .floathint{font-family:var(--head);font-size:12px;color:var(--mid);margin-top:10px;letter-spacing:1px}

/* honors wall */
.honors{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
.honor{background:#fff;border:1px solid var(--lg);border-radius:12px;padding:14px;text-align:center;transition:transform .2s,box-shadow .2s}
.honor:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(58,46,38,.12)}
.honor .pic{height:150px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.honor .pic img{max-height:150px;width:auto;cursor:zoom-in}
.honor p{font-family:var(--head);font-size:13px;color:#5b4d42;margin-top:12px;line-height:1.4}
/* honor badges (text only) */
.badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badge{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--lg);border-radius:30px;padding:12px 20px;font-family:var(--head);font-size:15px;color:#4a3d33}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);flex:none}
/* science highlights */
.sci{margin-top:54px;background:#fff;border:1px solid var(--lg);border-radius:16px;padding:34px 32px}
.sci .scihead{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.sci h3{font-size:clamp(20px,2.6vw,26px)}
.sci .lede{font-size:15px;color:#5b4d42;max-width:760px;margin:8px 0 22px}
.scigrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scigrid .s .n{font-family:var(--head);font-size:clamp(22px,2.6vw,30px);font-weight:600;color:var(--amber);line-height:1.1}
.scigrid .s .l{font-size:13px;color:#5b4d42;margin-top:8px;line-height:1.5}
.sci .src{font-size:12px;color:var(--mid);margin-top:22px;border-top:1px solid var(--lg);padding-top:14px}
/* cases */
.casebar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.case{background:var(--paper);border:1px solid var(--lg);border-radius:14px;padding:24px}
.case h3{font-size:16px;margin:0 0 8px;color:var(--amber)}
.case p{font-size:13.5px;color:#5b4d42}

/* footer */
footer{background:var(--ink);color:#e9ddca;padding:60px 0 30px;font-size:14px}
footer .ft{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
footer img.logo{height:40px;width:auto;margin-bottom:16px}
footer h4{font-family:var(--head);font-size:14px;color:#fff;margin-bottom:12px;letter-spacing:1px}
footer a{color:#cdbfa9;display:block;margin-bottom:8px}
footer a:hover{color:var(--amber)}
.legal{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);color:#a8977f;font-size:12.5px;line-height:1.7}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(36,28,22,.9);display:none;align-items:center;justify-content:center;z-index:200;padding:30px;cursor:zoom-out}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:90vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5)}

.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

@media(max-width:860px){
  .menu{position:fixed;inset:70px 0 auto 0;background:var(--light);flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--lg);display:none}
  .menu.open{display:flex}
  .menu a{padding:14px 24px;border-bottom:1px solid var(--lg)}
  .menu-btn{display:block}
  .g4,.g3,.split,.dual,.casebar,.vmod,.honors,footer .ft{grid-template-columns:1fr}
  .casebar,.honors{grid-template-columns:1fr 1fr}
  .sec{padding:58px 0}
  .hero{min-height:auto;padding:36px 0}
  .hero-bg::after{background:linear-gradient(180deg,rgba(247,240,230,.84),rgba(247,240,230,.92))}
  .vframe{max-width:320px}
}