/* Amherst Aviation Club — Aviator's Desk skeuomorphic system, mobile-first */
:root{
  --navy:#1b2a4a;
  --navy-ink:#101c33;
  --sky:#a9c6d8;
  --sky-pale:#dce8f0;
  --cream:#faf5e9;
  --paper:#f3ead3;
  --paper-edge:#e6d7b8;
  --walnut:#5d4127;
  --walnut-dark:#3e2c19;
  --leather:#7a5230;
  --mammoth:#3f1f69;
  --mammoth-dark:#311a4d;
  --cta:#c96a1b;
  --cta-dark:#9a4f10;
  --ink:#22202a;
  --muted:#4d4a5a;
  --card-shadow:0 2px 0 rgba(62,44,25,.25),0 10px 24px rgba(27,42,74,.16);
  --radius:16px;
  --font-head:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --font-body:system-ui,-apple-system,"Segoe UI",Inter,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);line-height:1.65;
  background:
    radial-gradient(1200px 500px at 50% -80px, var(--sky-pale), transparent 70%),
    repeating-linear-gradient(0deg, rgba(93,65,39,.035) 0 2px, transparent 2px 6px),
    var(--cream);
  padding-bottom:76px;
  cursor:url("../img/cessna-cursor.svg") 2 16, url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32'%3E%3Cpath d='M16 2 L18.5 10 L28.5 17 L28 19 L19 20 L18 22.5 L23 25 L22.5 27 L17.5 26 L17.5 30 L14.5 30 L14.5 26 L9.5 27 L9 25 L14 22.5 L13 20 L4 19 L3.5 17 L13.5 10 Z' fill='%231b2a4a' stroke='%23ffffff' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") 16 2, auto;
}
a,button,summary,.video-facade{cursor:pointer}
input,textarea,select{cursor:auto}
@media(min-width:900px){body{padding-bottom:0}}
h1,h2,h3{font-family:var(--font-head);color:var(--navy-ink);line-height:1.2;letter-spacing:.1px}
a{color:var(--mammoth-dark);text-underline-offset:3px}
a:hover{color:var(--mammoth)}
:focus-visible{outline:3px solid var(--cta);outline-offset:3px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:.7rem 1rem;z-index:99}
.skip-link:focus{left:8px;top:8px}

/* Header — brass plate on walnut */
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg,#4a351f,#3e2c19);border-bottom:3px solid #2a1e11;box-shadow:0 4px 14px rgba(0,0,0,.3)}
.header-inner{max-width:1100px;margin:0 auto;padding:.6rem 1rem;display:flex;align-items:center;gap:1rem;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;color:var(--cream)}
.brand-emblem{display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,#fff,var(--paper) 70%);border-radius:50%;padding:3px;box-shadow:inset 0 0 0 2px var(--walnut),0 2px 6px rgba(0,0,0,.4)}
.brand-name{font-family:var(--font-head);font-weight:700;font-size:1.05rem;display:block;line-height:1.1}
.brand-sub{font-size:.75rem;letter-spacing:1.5px;text-transform:uppercase;opacity:.85}
.site-nav{position:relative}
.nav-toggle{display:grid;gap:5px;background:var(--paper);border:2px solid #2a1e11;border-radius:10px;padding:.6rem .7rem;cursor:pointer;box-shadow:0 2px 0 #2a1e11}
.nav-toggle span{display:block;width:24px;height:3px;background:var(--navy);border-radius:2px}
.nav-list{list-style:none;margin:0;padding:.8rem;position:absolute;right:0;top:calc(100% + 10px);background:var(--cream);border:2px solid var(--walnut);border-radius:14px;box-shadow:var(--card-shadow);display:none;min-width:230px}
.nav-list.open{display:block}
.nav-list a{display:block;padding:.7rem .8rem;border-radius:10px;text-decoration:none;font-weight:600;color:var(--navy)}
.nav-list a:hover{background:var(--paper)}
@media(min-width:900px){
  .nav-toggle{display:none}
  .nav-list{position:static;display:flex;align-items:center;gap:.2rem;background:transparent;border:0;box-shadow:none;padding:0;min-width:0}
  .nav-list a{color:var(--cream)}
  .nav-list a:hover{background:rgba(255,255,255,.12);color:#fff}
}
.btn{display:inline-block;text-decoration:none;font-weight:800;padding:.85rem 1.4rem;border-radius:999px;border:2px solid transparent;min-height:48px}
.btn-cta{background:linear-gradient(180deg,#e07f2a,var(--cta));color:#fff!important;box-shadow:0 3px 0 var(--cta-dark),0 6px 14px rgba(0,0,0,.3);border-color:#7d3f0d}
.btn-cta:hover{filter:brightness(1.06)}
.btn-paper{background:linear-gradient(180deg,#fffdf4,var(--paper));color:var(--navy-ink)!important;border-color:var(--walnut);box-shadow:0 3px 0 var(--walnut)}
.btn-ghost{border-color:var(--navy);color:var(--navy)}
.nav-cta{margin-top:.4rem}
@media(min-width:900px){.nav-cta{margin:0 0 0 .4rem}}

/* Layout shell */
.wrap{max-width:1100px;margin:0 auto;padding:0 1rem}
section{padding:2.2rem 0}
.section-label{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--cream);background:var(--mammoth);padding:.3rem .8rem;border-radius:999px;box-shadow:0 2px 0 var(--mammoth-dark)}
.section-title{font-size:clamp(1.7rem,4vw,2.5rem);margin:.8rem 0 .4rem}
.section-sub{color:var(--muted);max-width:62ch}

/* Hero — study-room wall, clean */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fdf9ec,var(--paper));border-bottom:4px solid var(--walnut)}
.hero::before{content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:
   radial-gradient(2px 2px at 20% 30%, rgba(63,31,105,.18), transparent 60%),
   radial-gradient(2px 2px at 70% 20%, rgba(27,42,74,.15), transparent 60%),
   repeating-linear-gradient(23deg, transparent 0 46px, rgba(169,198,216,.35) 46px 47px),
   repeating-linear-gradient(-23deg, transparent 0 46px, rgba(169,198,216,.22) 46px 47px);
}
.hero-inner{position:relative;display:grid;gap:1.4rem;padding:2.6rem 0 2rem}
.hero-copy h1{font-size:clamp(2rem,6vw,3.4rem);margin:.6rem 0}
.hero-copy p{font-size:1.1rem;max-width:44ch;color:#2e2c3a}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.2rem}
/* Clean centered hero — headline is the hero */
.hero-clean{background:linear-gradient(180deg,#fdf9ec,var(--paper))}
.hero-clean::before{opacity:.28}
.hero-centered{grid-template-columns:1fr;text-align:center;max-width:820px;margin:0 auto;padding:4rem 1rem 3.4rem}
.hero-centered .hero-copy h1{font-size:clamp(2.4rem,7vw,4.2rem);line-height:1.05;letter-spacing:-.5px;margin:0 0 1rem}
.hero-centered .hero-sub{font-size:clamp(1.05rem,2.5vw,1.3rem);max-width:56ch;margin:0 auto;color:#2e2c3a}
.hero-centered .hero-actions{justify-content:center;margin-top:1.8rem}
.hero-centered .btn-cta{font-size:1.1rem;padding:1rem 2.2rem}
@media(max-width:899px){.hero-actions{display:none}}
.hero-gif{max-width:560px;margin:1.8rem auto 0;background:#fffdf4;border:2px solid var(--paper-edge);border-radius:12px;padding:.6rem .6rem .4rem;box-shadow:var(--card-shadow)}
.hero-gif img{display:block;width:100%;height:auto;border-radius:6px}
.hero-gif figcaption{font-size:.78rem;color:var(--muted);text-align:center;padding:.4rem 0 .2rem}
@media(min-width:900px){.hero-inner{padding:4rem 0}.hero-centered{padding:5.5rem 1rem 4.5rem}}

/* Sticker / paper card base — tactile */
.desk{background:linear-gradient(180deg,#6b4e2e,#5d4127 12%,#4a351f);border-top:4px solid #2a1e11;border-bottom:4px solid #2a1e11;padding:2.6rem 0;position:relative}
.desk::before{content:"";position:absolute;inset:0;opacity:.25;background:repeating-linear-gradient(90deg, rgba(0,0,0,.18) 0 2px, transparent 2px 90px),repeating-linear-gradient(0deg, rgba(255,255,255,.06) 0 2px, transparent 2px 7px);pointer-events:none}
.desk-head{position:relative;color:var(--cream)}
.desk-head h2{color:#fff;margin:.7rem 0 .3rem}
.desk-head p{color:#f0e3c6;max-width:68ch}
.desk-grid{position:relative;display:grid;gap:1.1rem;margin-top:1.4rem}
@media(min-width:700px){.desk-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1020px){.desk-grid{grid-template-columns:repeat(3,1fr)}.desk-card:last-child{grid-column:span 2}.desk-card:last-child .desk-art{height:150px}}
.desk-card{background:linear-gradient(180deg,#fffdf6,var(--paper));border-radius:var(--radius);border:2px solid #cbb98f;box-shadow:var(--card-shadow);overflow:hidden;display:flex;flex-direction:column;position:relative}
.desk-card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background:radial-gradient(600px 120px at 50% -20px, rgba(255,255,255,.9), transparent 70%)}
@media(hover:hover){
  .desk-card{transition:transform .18s ease, box-shadow .18s ease}
  .desk-card:hover{transform:translateY(-4px) rotate(-.3deg);box-shadow:0 4px 0 rgba(62,44,25,.3),0 18px 34px rgba(0,0,0,.28)}
}
.desk-art{height:170px;display:grid;place-items:center;position:relative;border-bottom:2px dashed #c4af82;overflow:hidden}
.desk-art.poster{background:linear-gradient(180deg,#1b2a4a,#2c4a7a);color:#fff}
.desk-art.shelf{background:linear-gradient(180deg,#dce8f0,#a9c6d8)}
.desk-art.sim{background:linear-gradient(180deg,#101c33,#24365e)}
.desk-art.gear{background:linear-gradient(180deg,#7a5230,#4a351f)}
.desk-art.board{background:linear-gradient(180deg,#eef4ea,#cfdcc3)}
.pin{position:absolute;top:10px;width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffe9a8,#c79a2b 60%,#6e5410);box-shadow:0 2px 4px rgba(0,0,0,.5)}
.pin.left{left:18px}.pin.right{right:18px}
.desk-body{padding:1.1rem 1.1rem 1.2rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.tag{font-size:.72rem;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--mammoth-dark)}
.desk-body h3{margin:0;font-size:1.35rem}
.desk-body p{margin:0;color:var(--muted);font-size:.98rem}
.desk-link{margin-top:auto;padding-top:.7rem;display:flex;align-items:center;justify-content:space-between;gap:.6rem;text-decoration:none;font-weight:800;color:var(--navy);background:rgba(169,198,216,.25);border:2px solid var(--navy);border-radius:12px;padding:.7rem .9rem;min-height:48px}
.desk-link:hover{background:var(--navy);color:#fff}
.desk-link .arrow{background:var(--cta);color:#fff;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;flex-shrink:0}

/* What we do — index cards pinned */
.do-grid{display:grid;gap:1rem;margin-top:1.2rem}
@media(min-width:800px){.do-grid{grid-template-columns:repeat(4,1fr)}}
.do-card{background:#fffdf4;border:2px solid var(--paper-edge);border-radius:14px;padding:1.1rem;box-shadow:var(--card-shadow);position:relative}
.do-card::before{content:"";position:absolute;top:-9px;left:50%;transform:translateX(-50%) rotate(2deg);width:64px;height:16px;background:rgba(169,198,216,.85);border:1px solid rgba(27,42,74,.25);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.do-icon{font-size:1.7rem}
.do-card h3{margin:.4rem 0;font-size:1.15rem}
.do-card p{margin:0;color:var(--muted);font-size:.95rem}

/* Flight board — split-flap */
.board-section{background:linear-gradient(180deg,var(--navy),var(--navy-ink));color:#e9e4d5;border-top:4px solid var(--walnut);border-bottom:4px solid var(--walnut)}
.board-section h2{color:#fff}
.board-frame{background:#0d1528;border:3px solid #8a6a3b;border-radius:18px;padding:1rem;box-shadow:inset 0 0 30px rgba(0,0,0,.7),0 8px 24px rgba(0,0,0,.4)}
.event-grid{display:grid;gap:.9rem;margin-top:1rem}
@media(min-width:800px){.event-grid{grid-template-columns:repeat(3,1fr)}}
.event-card{background:linear-gradient(180deg,#fff,var(--paper));color:var(--ink);border-radius:12px;padding:1rem;border:2px solid #cbb98f}
.event-card time{font-weight:800;color:var(--mammoth-dark);font-size:.9rem;letter-spacing:.4px}
.event-card h3{margin:.3rem 0}
.event-card p{margin:.2rem 0;color:var(--muted);font-size:.94rem}
.event-card a{font-weight:800}
.empty-board{text-align:center;padding:2rem 1rem;background:repeating-linear-gradient(0deg,#111c34 0 28px,#0d1528 28px 56px);border:2px dashed #8a6a3b;border-radius:12px;color:#f0e3c6}

/* Join — manila folder / clipboard */
.join{background:linear-gradient(180deg,var(--paper),#e9dcbd);border-top:4px solid var(--walnut)}
.join-grid{display:grid;gap:1.2rem;margin-top:1rem}
@media(min-width:900px){.join-grid{grid-template-columns:1fr 1fr}}
.clipboard{background:#fffdf4;border:2px solid var(--walnut);border-radius:14px;box-shadow:var(--card-shadow);overflow:hidden}
.clip-top{background:linear-gradient(180deg,#8a6a3b,#5d4127);padding:.9rem;text-align:center;color:#fff;font-weight:800;letter-spacing:1px}
.clip-body{padding:1.2rem}
.clip-body label{display:block;font-weight:700;margin:.7rem 0 .3rem;color:var(--navy)}
.clip-body input,.clip-body select,.clip-body textarea{width:100%;padding:.8rem;border:2px solid var(--walnut);border-radius:10px;background:#fff;font-size:1rem;min-height:48px}
.meeting-card{background:var(--navy);color:#fff;border-radius:14px;padding:1.2rem;border:3px solid #0d1528;box-shadow:var(--card-shadow)}
.meeting-card h3{color:#ffe9a8;margin-top:0}
.badge{display:inline-block;background:var(--sky);color:var(--navy-ink);font-weight:800;font-size:.82rem;padding:.25rem .7rem;border-radius:999px;border:1px solid var(--navy)}
.note-small{font-size:.9rem;color:var(--muted)}
.no-exp{display:inline-block;margin-top:.6rem;background:#fff;border:2px solid var(--mammoth);color:var(--mammoth-dark);font-weight:800;padding:.4rem .9rem;border-radius:999px}

/* Photos — pinned prints on the desk */
.desk-photo{padding:0;border-bottom:2px solid #c4af82}
.desk-photo img{display:block;width:100%;height:170px;object-fit:cover}
.polaroid figcaption{font-size:.8rem;color:var(--muted);text-align:center;padding:.4rem 0 .2rem}
.polaroid{background:#fffdf4;border:2px solid var(--paper-edge);border-radius:12px;padding:.6rem;box-shadow:var(--card-shadow);margin:1.2rem 0;position:relative}
.polaroid::before{content:"";position:absolute;top:-11px;left:50%;transform:translateX(-50%) rotate(-2deg);width:90px;height:20px;background:rgba(169,198,216,.85);border:1px solid rgba(27,42,74,.25);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.polaroid img{display:block;width:100%;height:auto;border-radius:6px}
.photo-placeholder{display:grid;place-items:center;min-height:180px;background:repeating-linear-gradient(45deg,var(--paper) 0 14px,#e9dcbd 14px 28px);border:2px dashed var(--walnut);border-radius:8px;color:var(--walnut);font-weight:700}

/* Video shelf — TV cards on the desk */
.video-shelf{margin:2rem 0 0}
.video-shelf h2{font-size:clamp(1.4rem,3vw,1.9rem);margin:0 0 .3rem}
.video-grid{display:grid;gap:1.1rem;margin-top:1.1rem}
@media(min-width:760px){.video-grid{grid-template-columns:1fr 1fr}}
.video-card{background:linear-gradient(180deg,#fffdf6,var(--paper));border:2px solid #cbb98f;border-radius:var(--radius);box-shadow:var(--card-shadow);overflow:hidden;position:relative}
.video-card::before{content:"";position:absolute;top:-1px;left:50%;transform:translateX(-50%) rotate(-1deg);width:90px;height:18px;background:rgba(169,198,216,.85);border:1px solid rgba(27,42,74,.25);box-shadow:0 1px 3px rgba(0,0,0,.2);z-index:2}
.video-facade{position:relative;display:block;aspect-ratio:16/9;background:#0d1528;overflow:hidden;border-bottom:2px solid var(--walnut)}
.video-facade img{width:100%;height:100%;object-fit:cover;display:block}
.video-facade .play{position:absolute;inset:0;margin:auto;width:64px;height:64px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(180deg,#e07f2a,var(--cta));color:#fff;font-size:1.4rem;border:3px solid #fff;box-shadow:0 4px 14px rgba(0,0,0,.5)}
.video-facade:hover .play,.video-facade:focus-visible .play{transform:scale(1.08)}
.video-facade iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-body{padding:1rem 1.1rem 1.2rem}
.video-body h3{margin:.3rem 0 .3rem;font-size:1.2rem}
.video-body p{margin:0;color:var(--muted);font-size:.94rem}
.video-more{margin-top:1.1rem}
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fdf9ec,var(--paper));border-bottom:3px solid var(--walnut);padding:2.8rem 0 2.4rem}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;background:radial-gradient(2px 2px at 15% 25%, rgba(63,31,105,.16), transparent 60%),radial-gradient(2px 2px at 85% 70%, rgba(27,42,74,.14), transparent 60%),repeating-linear-gradient(23deg, transparent 0 46px, rgba(169,198,216,.3) 46px 47px),repeating-linear-gradient(-23deg, transparent 0 46px, rgba(169,198,216,.18) 46px 47px)}
.page-hero::after{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:linear-gradient(180deg,#6b4e2e,#4a351f)}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(2.1rem,5vw,3.1rem);margin:.7rem 0 .3rem;letter-spacing:-.3px}
.page-hero .prose>p:last-child{margin-bottom:0;color:var(--muted);font-size:1.08rem;max-width:60ch}
.prose{max-width:760px}
.prose li{margin:.4rem 0}
.checklist{background:#fffdf4;border:2px solid var(--paper-edge);border-radius:14px;padding:1rem 1.2rem;box-shadow:var(--card-shadow)}
.starter-grid{display:grid;gap:1rem;margin:1.2rem 0}
@media(min-width:800px){.starter-grid{grid-template-columns:1fr 1fr}}
.taxonomy-directory{margin:1.8rem 0}
.taxonomy-directory h2{margin-bottom:.75rem}
.taxonomy-links{display:flex;flex-wrap:wrap;gap:.55rem}
.taxonomy-links a{display:inline-flex;align-items:center;min-height:40px;padding:.35rem .8rem;border:2px solid var(--navy);border-radius:999px;background:#fffdf4;color:var(--navy);font-weight:700;text-decoration:none}
.taxonomy-links a:hover{background:var(--navy);color:#fff}
.resource-jump{display:flex;flex-wrap:wrap;gap:.55rem;margin:1.4rem 0 0}
.resource-jump a{display:inline-flex;align-items:center;min-height:44px;padding:.45rem 1rem;border:2px solid var(--walnut);border-radius:999px;background:linear-gradient(180deg,#fffdf4,var(--paper));color:var(--navy);font-weight:800;font-size:.92rem;text-decoration:none;box-shadow:0 2px 0 var(--walnut)}
.resource-jump a:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.resource-jump .count{display:inline-grid;place-items:center;min-width:1.5rem;height:1.5rem;margin-left:.45rem;padding:0 .3rem;border-radius:999px;background:var(--mammoth);color:#fff;font-size:.75rem}
.resource-jump a:hover .count{background:var(--cta)}
.resource-directory{margin:1.8rem 0;display:grid;gap:1.6rem}
.resource-group{background:linear-gradient(180deg,#fffdf6,var(--paper));border:2px solid #cbb98f;border-radius:var(--radius);box-shadow:var(--card-shadow);padding:1.3rem 1.3rem 1.4rem;position:relative;scroll-margin-top:90px}
.resource-group::before{content:"";position:absolute;top:-11px;left:2rem;width:90px;height:20px;background:rgba(169,198,216,.85);border:1px solid rgba(27,42,74,.25);box-shadow:0 1px 3px rgba(0,0,0,.2);transform:rotate(-2deg)}
.resource-group:nth-of-type(2n)::before{transform:rotate(2deg);background:rgba(255,233,168,.9)}
.resource-group h2{margin:0 0 .3rem;font-size:1.5rem}
.resource-group .group-sub{margin:0 0 1rem;color:var(--muted);font-size:.95rem}
.resource-subgroup{margin:1.3rem 0 0;scroll-margin-top:90px}
.resource-subgroup h3{margin:0 0 .7rem;font-size:1.05rem;color:var(--mammoth-dark);letter-spacing:.4px;text-transform:uppercase;font-family:var(--font-body);font-weight:800;font-size:.85rem}
.resource-list{margin:0;padding:0;list-style:none;display:grid;gap:.8rem;grid-template-columns:1fr}
@media(min-width:720px){.resource-list{grid-template-columns:1fr 1fr}}
.resource-list li{background:#fff;border:2px solid var(--paper-edge);border-radius:12px;padding:.85rem 1rem;display:flex;flex-direction:column;gap:.25rem;box-shadow:0 2px 6px rgba(27,42,74,.08)}
@media(hover:hover){
  .resource-list li{transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
  .resource-list li:hover{transform:translateY(-3px);box-shadow:0 8px 18px rgba(27,42,74,.16);border-color:var(--walnut)}
}
.resource-list a{color:var(--navy);font-weight:800;font-size:1.02rem;text-decoration:none;display:flex;align-items:flex-start;justify-content:space-between;gap:.5rem}
.resource-list a:hover{text-decoration:underline;text-underline-offset:3px}
.resource-list a .ext{flex-shrink:0;display:inline-grid;place-items:center;width:1.7rem;height:1.7rem;border-radius:50%;background:rgba(169,198,216,.3);border:2px solid var(--navy);font-size:.85rem}
.resource-list li:hover a .ext{background:var(--navy);color:#fff}
.resource-list p{margin:0;color:var(--muted);font-size:.9rem}

/* Footer + bottom nav */
.site-footer{background:#241a0f;color:#e9ddc2;padding:2rem 0 5rem}
@media(min-width:900px){.site-footer{padding-bottom:2rem}}
.footer-inner{max-width:1100px;margin:0 auto;padding:0 1rem}
.footer-brand p{margin:.2rem 0}
.footer-note{margin:1rem 0 0;font-size:.85rem;opacity:.8}
.footer-note a{color:#ffe9a8}
.bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:60;display:flex;background:#fdf9ec;border-top:3px solid var(--walnut);box-shadow:0 -6px 18px rgba(0,0,0,.2)}
.bottom-nav a,.bn-item{flex:1;min-width:0}
.bottom-nav a{flex:1;text-align:center;text-decoration:none;color:var(--navy);font-weight:800;font-size:.82rem;padding:.6rem .2rem calc(.6rem + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:2px;min-height:64px;justify-content:center}
.bottom-nav a[aria-current="page"]{background:var(--navy);color:#fff}
.bn-item{position:relative;display:flex}
.bn-trigger{flex:1;width:100%;background:none;border:0;font:inherit;text-align:center;color:var(--navy);font-weight:800;font-size:.82rem;padding:.6rem .2rem calc(.6rem + env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:2px;min-height:64px;justify-content:center;cursor:pointer}
.bn-trigger.is-active{background:var(--navy);color:#fff}
.bn-trigger[aria-expanded="true"]{background:var(--navy);color:#fff}
.bn-caret{display:inline-block;font-size:.7em;transition:transform .15s ease}
.bn-trigger[aria-expanded="true"] .bn-caret{transform:rotate(180deg)}
.bn-sheet{position:absolute;bottom:calc(100% + 10px);min-width:230px;max-width:72vw;background:var(--cream);border:2px solid var(--walnut);border-radius:14px;box-shadow:var(--card-shadow);padding:.5rem;display:flex;flex-direction:column;gap:2px}
.bn-sheet[hidden]{display:none}
.bn-item:nth-child(2) .bn-sheet{left:6px}
.bn-item:nth-child(3) .bn-sheet{right:6px}
.bn-sheet a{flex:none;text-align:left;text-decoration:none;color:var(--navy);padding:.65rem .8rem;border-radius:10px;display:flex;flex-direction:column;gap:1px;min-height:0}
.bn-sheet a strong{font-size:.9rem;line-height:1.25}
.bn-sheet a small{font-size:.75rem;font-weight:600;color:var(--muted);line-height:1.3}
.bn-sheet a:hover,.bn-sheet a:focus-visible{background:var(--paper)}
.bn-sheet a:hover small,.bn-sheet a:focus-visible small{color:var(--navy)}
.bn-join{background:var(--cta)!important;color:#fff!important}
.bn-icon{font-size:1.25rem;line-height:1}
@media(min-width:900px){.bottom-nav{display:none}}