:root{
  --teal:#275D69;--teal-dark:#1a3f48;--teal-deep:#0d2b32;--teal-light:#3a7a88;
  --gold:#FFC157;--sky:#A1D4DD;--neutral:#DCDADB;--charcoal:#5C5758;
  --text:#2F2F2F;--white:#FFFFFF;--off-white:#F7F8F8;
  --font-body:'Segoe UI',system-ui,sans-serif;
  --max:1200px;--pad:clamp(24px,5vw,80px);--nav-h:104px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text);background:var(--white);line-height:1.55;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;top:8px;left:8px;z-index:1000;background:#0a2026;color:#fff;padding:12px 18px;text-decoration:none;font-weight:600;font-size:.95rem;border:2px solid var(--gold);transform:translateY(-150%);transition:transform .2s ease}
.skip-link:focus{transform:translateY(0);outline:none}

/* NAV */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:20px var(--pad);transition:background .3s,backdrop-filter .3s,padding .3s}
.site-nav.solid{background:rgba(13,43,50,.92);backdrop-filter:blur(10px)}
.nav-logo{display:flex;align-items:center;position:relative;z-index:210}
.nav-logo:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.nav-logo img{height:62px;width:auto}
.nav-links{display:flex;gap:34px;list-style:none;margin:0;padding:0}
.nav-links a{color:#fff;text-decoration:none;font-size:.875rem;font-weight:500;letter-spacing:.01em;padding:6px 0;border-bottom:1.5px solid transparent;transition:border-color .2s}
.nav-links a:hover,.nav-links a.active,.nav-links a:focus-visible{border-color:var(--gold);outline:none}
.nav-toggle{display:none;background:none;border:none;color:#fff;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:10px;width:44px;height:44px;align-items:center;border-radius:8px}
.nav-toggle:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.nav-toggle span{width:22px;height:1.5px;background:#fff;display:block;transition:transform .25s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* PAGE HERO */
.page-hero{position:relative;min-height:440px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;background:#0d2b32;padding:calc(var(--nav-h) + 52px) var(--pad) 0}
.page-hero-media{position:absolute;inset:0;z-index:0}
.page-hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.page-hero-media--block{background:linear-gradient(135deg,#0d2b32 0%,#275D69 100%)}
.page-hero-overlay{position:absolute;inset:0;z-index:1;background:
  linear-gradient(180deg,rgba(13,43,50,.55) 0%,rgba(13,43,50,.5) 35%,rgba(13,43,50,.9) 100%),
  linear-gradient(90deg,rgba(13,43,50,.6) 0%,rgba(13,43,50,0) 62%)
}
.page-hero-grain{position:absolute;inset:0;z-index:1;opacity:.16;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.5 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");pointer-events:none}
.page-hero-inner{position:relative;z-index:2;width:100%;max-width:var(--max);margin:0 auto;padding:0 0 clamp(56px,7vw,96px)}
.crumbs{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.7);font-size:.85rem;letter-spacing:.04em;text-transform:none;font-weight:500;margin-bottom:24px}
.crumbs a{color:rgba(255,255,255,.7);text-decoration:none;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.crumbs a:hover{color:var(--gold);border-color:var(--gold)}
.crumbs .sep{opacity:.55}
.crumbs .here{color:var(--gold)}
.page-hero h1{color:#fff;font-weight:300;font-size:clamp(1.7rem,3.6vw,3rem);line-height:1.1;letter-spacing:-.02em}
.page-hero h1 .ln{display:block}
.page-hero h1 .hero-accent{font-style:normal;color:var(--gold);font-weight:400}

/* INTRO */
.intro{background:var(--white);padding:clamp(56px,7vw,96px) var(--pad) clamp(40px,5vw,64px);position:relative;overflow:hidden}
.intro-inner{max-width:var(--max);margin:0 auto;position:relative;z-index:2}
#main > section:first-of-type{padding-top:clamp(28px,3.5vw,48px)}
.intro-lede{font-weight:300;font-size:clamp(20px,2.08vw,25px);line-height:1.25;color:var(--text);letter-spacing:-.012em;text-wrap:pretty;margin-bottom:28px;max-width:880px}
.intro-lede strong{font-weight:500;color:var(--teal)}
.intro p:not(.intro-lede){font-size:18px;line-height:1.72;color:var(--charcoal);text-wrap:pretty;max-width:880px}
.intro p strong{font-weight:500;color:var(--teal)}
.intro p + p{margin-top:18px}
.bg-mark{position:absolute;pointer-events:none;user-select:none;background:none;z-index:1}
.bg-mark--intro-r{right:-70px;top:-30px;width:260px;height:540px;transform:rotate(8deg);opacity:.14}
@media (max-width:760px){.bg-mark{display:none}}

/* COMPREHENSIVE GUIDES */
.guides{background:var(--white);padding:clamp(8px,1.4vw,18px) var(--pad) clamp(48px,6vw,80px)}
.guides-inner{max-width:var(--max);margin:0 auto}
.guides-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px}
.guide-card{display:flex;flex-direction:column;gap:18px;background:var(--teal-deep);color:#fff;border-radius:8px;padding:clamp(28px,3.2vw,40px);text-decoration:none;position:relative;overflow:hidden;transition:transform .28s ease,box-shadow .28s ease}
.guide-card::before{content:"";position:absolute;right:-50px;bottom:-70px;width:200px;height:420px;background:none;opacity:.08;transform:rotate(-10deg);filter:brightness(0) invert(1);pointer-events:none}
.guide-card:hover{transform:translateY(-4px);box-shadow:0 24px 48px -22px rgba(13,43,50,.7)}
.guide-card:focus-visible{outline:2px solid var(--gold);outline-offset:4px}
.guide-doc{width:46px;height:46px;color:var(--gold);position:relative;z-index:2}
.guide-card h3{font-weight:400;font-size:clamp(1.3rem,2vw,1.7rem);line-height:1.25;letter-spacing:-.01em;position:relative;z-index:2;text-wrap:balance}
.guide-card p{color:rgba(255,255,255,.82);font-size:1rem;line-height:1.6;font-weight:300;position:relative;z-index:2;max-width:42ch;flex:1}
.guide-dl{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-weight:600;font-size:.8rem;letter-spacing:.12em;text-transform:none;position:relative;z-index:2;margin-top:4px}
.guide-dl svg{width:16px;height:16px;transition:transform .25s ease}
.guide-card:hover .guide-dl svg{transform:translateY(3px)}

/* TOOLBAR (sticky search + jump) */
.toolbar{position:sticky;top:var(--nav-h);z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--neutral)}
.toolbar-inner{max-width:var(--max);margin:0 auto;padding:16px var(--pad);display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.search{position:relative;flex:1;min-width:240px;max-width:420px}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--charcoal);pointer-events:none}
.search input{width:100%;font-family:inherit;font-size:.98rem;color:var(--text);padding:13px 16px 13px 46px;border:1.5px solid var(--neutral);border-radius:8px;background:#fff;transition:border-color .2s}
.search input::placeholder{color:#9a9596}
.search input:focus{outline:none;border-color:var(--teal)}
.search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:30px;height:30px;border:none;background:transparent;color:var(--charcoal);cursor:pointer;font-size:1.2rem;line-height:1;border-radius:50%;display:none;align-items:center;justify-content:center}
.search-clear:hover{background:rgba(0,0,0,.06);color:var(--text)}
.search.has-value .search-clear{display:flex}
.jump{display:flex;gap:8px;flex-wrap:wrap;margin-left:auto}
.jump a{font-size:.82rem;font-weight:600;letter-spacing:.02em;color:var(--teal);text-decoration:none;padding:9px 15px;border:1.5px solid rgba(39,93,105,.28);border-radius:999px;transition:background .2s,color .2s,border-color .2s;white-space:nowrap}
.jump a:hover,.jump a.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.jump a:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
@media (max-width:680px){.jump{display:none}}

/* CATEGORY SECTIONS */
.cats{background:var(--white)}
.cat{padding:clamp(48px,5.5vw,80px) var(--pad);scroll-margin-top:calc(var(--nav-h) + 90px);background:var(--off-white);position:relative;overflow:hidden}
.cat:nth-child(even){background:var(--white)}
.cat-inner{max-width:var(--max);margin:0 auto;position:relative;z-index:2}
.cat-head{margin-bottom:32px;max-width:none}
.eyebrow{display:flex;align-items:center;gap:14px;color:var(--teal);font-size:clamp(1.4rem,2.4vw,1.85rem);font-weight:600;margin-bottom:14px}
.eyebrow h2{font-size:inherit;font-weight:inherit;color:inherit;line-height:1.15;margin:0}
.eyebrow .count{font-size:.72rem;font-weight:600;letter-spacing:.06em;color:var(--charcoal);background:rgba(39,93,105,.09);padding:5px 11px;border-radius:999px;line-height:1;white-space:nowrap}
.cat-desc{font-weight:300;font-size:clamp(20px,2.08vw,25px);line-height:1.18;color:var(--text);letter-spacing:-.012em;text-wrap:pretty}
@media (max-width:560px){.cat-desc{padding-left:0}}

.res-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px}
.res-card{display:flex;gap:15px;align-items:flex-start;background:#fff;border:1px solid #e1e0e0;border-radius:8px;padding:20px 22px;text-decoration:none;color:var(--text);position:relative;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;min-height:118px}
.cat:nth-child(even) .res-card{background:#fff}
.res-card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold);opacity:0;transition:opacity .3s ease}
.res-card:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:0 14px 30px -18px rgba(13,43,50,.45)}
.res-card:hover::after{opacity:1}
.res-card:focus-visible{outline:2px solid var(--teal);outline-offset:2px}
.res-doc{flex:none;width:25px;height:25px;color:var(--teal);margin-top:2px;transition:color .2s}
.res-body{flex:1;min-width:0;display:flex;flex-direction:column;height:100%}
.res-title{font-weight:500;font-size:1rem;line-height:1.35;color:var(--text);text-wrap:pretty}
.res-foot{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:16px}
.res-tag{font-size:.66rem;font-weight:600;letter-spacing:.12em;text-transform:none;color:var(--teal);background:rgba(39,93,105,.1);padding:4px 8px;border-radius:8px;line-height:1}
.res-dl{width:16px;height:16px;color:var(--charcoal);margin-left:auto;transition:transform .25s ease,color .2s}
.res-card:hover .res-dl{transform:translateY(3px);color:var(--teal)}
/* Feature (comprehensive) guide cards — teal + gold, open PDF in new tab */
.res-card--feature{background:var(--teal-deep);border-color:var(--teal-deep);color:#fff}
.res-card--feature .res-doc{color:var(--gold)}
.res-card--feature .res-title{color:#fff}
.res-card--feature .res-tag{color:#fff;background:rgba(255,255,255,.16)}
.res-card--feature .res-dl{color:var(--gold)}
.res-card--feature::after{background:var(--gold)}
.res-card--feature:hover{border-color:var(--gold);box-shadow:0 16px 32px -18px rgba(13,43,50,.7)}
.res-card--feature:hover .res-dl{transform:translate(2px,-2px);color:var(--gold)}
.res-card--feature:focus-visible{outline:2px solid var(--gold)}

.no-results{display:none;max-width:var(--max);margin:0 auto;padding:clamp(40px,6vw,72px) var(--pad);text-align:center;color:var(--charcoal)}
.no-results.show{display:block}
.no-results p{font-size:1.15rem}
.no-results strong{color:var(--text)}
.cat[hidden]{display:none}
/* Quick-guide bullet lists */
.res-list{list-style:none;margin:0;padding:0;columns:2;column-gap:clamp(28px,4vw,56px)}
.res-list li{position:relative;padding-left:22px;break-inside:avoid;margin-bottom:12px}
.res-list li::before{content:"";position:absolute;left:2px;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--teal)}
.res-list a{color:var(--text);text-decoration:none;font-size:1rem;line-height:1.5;font-weight:400;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.res-list a:hover{color:var(--teal);border-color:var(--teal)}
.res-list a:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
@media (max-width:520px){.res-list{columns:1}}

/* FOOTER */
footer{background:var(--teal);color:#fff;padding:80px var(--pad);position:relative;overflow:hidden;border-top:2px solid var(--sky)}
.footer-inner{max-width:var(--max);margin:0 auto}
.footer-row{display:grid;grid-template-columns:1fr 1fr 1.6fr;gap:80px;align-items:center}
.footer-logo{display:flex;align-items:center;justify-content:flex-start}
.footer-logo-img{width:240px;max-width:100%;height:auto;display:block}
.footer-contact{padding-left:48px;border-left:1px solid rgba(255,255,255,.5)}
.footer-contact h2{color:#fff;font-size:1.35rem;font-weight:500;margin-bottom:18px}
.footer-contact a{display:block;color:#fff;font-size:1rem;margin-bottom:14px;text-decoration:none;transition:opacity .2s}
.footer-contact a:last-child{margin-bottom:0;margin-top:8px}
.footer-contact a:hover{opacity:.75}
.footer-contact a:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.footer-acknowledge{font-size:.95rem;line-height:1.7;color:#fff}
.footer-credit{margin-top:18px;font-size:.85rem;color:#fff}
.footer-credit a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.25);transition:color .2s,border-color .2s}
.footer-credit a:hover{color:#fff;border-color:#fff}

/* RESPONSIVE NAV */
@media (max-width:960px){
  .nav-toggle{display:flex;position:relative;z-index:210}
  .nav-links{display:flex;flex-direction:column;justify-content:center;align-items:center;position:fixed;inset:0;width:100vw;height:100vh;gap:0;margin:0;padding:0;background:rgba(13,43,50,.98);backdrop-filter:blur(14px);z-index:205;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .25s ease,transform .3s ease,visibility 0s linear .3s}
  .nav-links[data-open="true"]{opacity:1;visibility:visible;transform:translateY(0);transition:opacity .25s ease,transform .3s ease,visibility 0s linear 0s}
  .nav-links li{border-top:1px solid rgba(255,255,255,.08);width:100%;text-align:center}
  .nav-links li:first-child{border-top:none}
  .nav-links a{display:block;padding:22px 24px;border-bottom:none;font-size:1.75rem;font-weight:500}
  .nav-links a:hover,.nav-links a.active,.nav-links a:focus-visible{background:rgba(255,255,255,.05);border-bottom:none;color:var(--gold)}
  body[data-menu-open="true"]{overflow:hidden}
  .footer-row{grid-template-columns:1fr 1fr;gap:48px}
  .footer-ack-wrap{grid-column:1/-1}
  .footer-contact{padding-left:0;border-left:none}
}
@media (max-width:560px){
  footer{padding:56px var(--pad)}
  .footer-row{grid-template-columns:1fr;gap:40px}
  .footer-logo-img{width:180px}
}
/* PDF preview lightbox */
.pdf-lightbox{position:fixed;inset:0;z-index:1000;background:rgba(13,43,50,.55);display:none;align-items:center;justify-content:center;padding:clamp(14px,3vw,48px);backdrop-filter:blur(3px)}
.pdf-lightbox[data-open="true"]{display:flex}
.pdf-lightbox[aria-hidden="true"]{visibility:hidden}
.pdf-panel{background:#fff;width:min(1040px,95vw);height:min(92vh,1200px);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;position:relative}
@media (prefers-reduced-motion:no-preference){.pdf-lightbox[data-open="true"] .pdf-panel{animation:pdf-in .26s ease-out}}
@keyframes pdf-in{from{opacity:0;transform:scale(.985)}to{opacity:1;transform:scale(1)}}
.pdf-panel-head{display:flex;align-items:center;gap:18px;padding:15px 18px 15px 22px;background:var(--teal-deep);color:#fff;flex:none}
.pdf-panel-head h3{font-size:1rem;font-weight:600;margin:0;flex:1;line-height:1.3;text-wrap:pretty}
.pdf-dl-btn{display:inline-flex;align-items:center;gap:8px;color:var(--gold);text-decoration:none;font-size:.74rem;font-weight:600;letter-spacing:.12em;text-transform:none;white-space:nowrap;border-bottom:1.5px solid transparent;transition:border-color .2s,color .2s}
.pdf-dl-btn svg{width:15px;height:15px}
.pdf-dl-btn:hover{color:#fff;border-color:var(--gold)}
.pdf-dl-btn:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.pdf-close{flex:none;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;cursor:pointer;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .2s,border-color .2s}
.pdf-close:hover{background:rgba(255,255,255,.22);border-color:var(--gold)}
.pdf-close:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.pdf-panel .pdf-doc{flex:1;width:100%;overflow-y:auto;background:#3f4a4d;padding:20px;display:flex;flex-direction:column;align-items:center;gap:18px;-webkit-overflow-scrolling:touch}
.pdf-panel .pdf-doc:focus{outline:none}
.pdf-page{width:fit-content;max-width:100%;min-height:0;margin:0 auto;background:#fff;box-shadow:0 6px 22px rgba(0,0,0,.3)}
.pdf-page canvas{display:block;width:auto;height:auto;max-width:100%;max-height:calc(min(92vh,1200px) - 124px)}
.pdf-loading{margin:auto;color:#fff;font-size:.9rem;letter-spacing:.03em;opacity:.85}
@media (max-width:560px){.pdf-panel-head h3{font-size:.85rem}.pdf-dl-btn span{display:none}}