/* Website-only visual system: colors sampled from the original slide + zipper logo. */
:root{--bg:#fcf7f1;--panel:#fffdf9;--panel2:#f3e9df;--line:#dfcfc1;--fg:#32251f;--dim:#6b5448;--dimmer:#796357;--accent:#c43e1c;--good:#337046;--r:12px;--brand-coral:#ed6c47}
body{height:auto;min-height:100%;font-family:"Avenir Next",Avenir,"Segoe UI",sans-serif;background:var(--bg)}
.bar{padding:18px max(24px,calc((100vw - 1200px)/2));gap:24px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;flex-wrap:wrap;position:relative}
.brand-link{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:750;font-size:19px;letter-spacing:-.5px;white-space:nowrap}
.brand-link img{display:block;width:34px;height:34px}
.site-nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.site-nav a{color:var(--dim);text-decoration:none;font-size:13px;padding:5px 0;border-bottom:2px solid transparent}
.site-nav a:hover,.site-nav a.on{color:var(--accent);border-bottom-color:var(--accent)}
.bar-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.bar-right .local{display:none}
.lang-select{background:transparent;color:var(--fg);border:1px solid var(--line);border-radius:6px;padding:8px;font:inherit;font-size:13px;cursor:pointer}
.hero{max-width:1140px;margin:0 auto;padding:58px 28px 34px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);align-items:center;gap:42px;text-align:left}
.hero-copy{min-width:0}.hero h1{font-family:Athelas,"Iowan Old Style","Palatino Linotype",Georgia,serif;font-size:clamp(34px,4.5vw,60px);font-weight:500;line-height:1.08;margin:0 0 22px;letter-spacing:-1.9px;text-wrap:balance}
.hero p{color:var(--dim);font-size:17px;line-height:1.65;max-width:620px;margin:0}
.hero-art{width:100%;height:auto;max-width:390px;justify-self:end;overflow:visible}
.trust{display:flex;gap:9px 18px;flex-wrap:wrap;margin:24px 0 0;font-size:12px;color:var(--dim)}
.trust span::before{content:"✓ ";color:var(--accent);font-weight:700}
.tool-wrap{max-width:1084px;margin:0 auto;padding:0 28px}.tool-wrap main{margin:0;padding:0}
.drop{border:1px dashed var(--accent);border-radius:14px;padding:34px 24px;background:var(--panel);position:relative;box-shadow:0 12px 36px #6a34190a;transition:background .15s,border-color .15s}
.drop .big-ico{width:35px;height:35px;stroke:var(--accent)}.drop :is(h1,h2){font-size:23px;letter-spacing:-.6px;margin-top:12px}.drop .sub{font-size:13px;color:var(--dim)}
.drop.hot,.drop:hover{background:color-mix(in srgb,var(--accent) 4%,var(--panel))}.drop-actions{margin-top:18px}
button.primary,.presets button.on{background:var(--accent);border-color:var(--accent);color:#fffdf9;font-weight:650}button.big{padding:13px 30px;border-radius:7px}button.primary:hover{filter:brightness(.93)}
input[type=checkbox],input[type=range]{accent-color:var(--accent)}
.tm i span{color:#fffdf9}.content{max-width:860px;margin:64px auto 0;padding:0 28px 24px;font-size:16px;line-height:1.8}
.content h2{font-family:Athelas,"Iowan Old Style","Palatino Linotype",Georgia,serif;font-weight:500;font-size:32px;letter-spacing:-.7px;line-height:1.25;margin:44px 0 18px;padding-top:22px;border-top:1px solid var(--line)}
.content h2:first-child{margin-top:0}.content h3{font-size:19px;margin:28px 0 8px}.content p,.content li{color:var(--dim)}.content li{margin:7px 0}.content ul,.content ol{padding-left:23px}.content li::marker{color:var(--accent)}
.content code{background:var(--panel2);padding:2px 5px;border-radius:4px;font-size:13px}.content table{border-collapse:collapse;width:100%;margin:24px 0;font-size:14px}.content th,.content td{border-bottom:1px solid var(--line);padding:13px 10px;text-align:left}.content th{background:var(--panel2);font-weight:650;color:var(--fg)}
.callout{padding:22px;background:var(--panel2);border-radius:8px;margin:24px 0}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:650;font-size:16px}.faq details p{margin:12px 0 0}
.related{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;margin:12px 0}.related a{display:block;padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--fg);font-weight:650}.related a::after{content:"↗";color:var(--accent);float:right}.related a span{display:block;font-weight:400;font-size:13px;color:var(--dim);margin-top:4px}.related a:hover{color:var(--accent)}
.site-foot{max-width:1084px;margin:64px auto 0;padding:28px 28px 42px;border-top:1px solid var(--line);font-size:12px;color:var(--dim);display:flex;gap:22px;flex-wrap:wrap;justify-content:space-between}.site-foot a{color:var(--dim);text-decoration:none;margin:0 16px 8px 0;display:inline-block}.site-foot a:hover{color:var(--accent)}
.crumbs{font-size:12px;color:var(--dim);margin-bottom:20px}.crumbs a{color:var(--accent);text-decoration:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.lang-select:focus-visible{outline:3px solid var(--accent)}
.content table th,.content table td{white-space:normal;overflow-wrap:anywhere}.drop h2{margin-bottom:4px;font-weight:650}

/* How it works desktop dropdown menu */
.nav-drop{position:relative;display:inline-flex;align-items:center}
.nav-drop-btn{display:inline-flex;align-items:center;gap:4px;color:var(--dim);text-decoration:none;font-size:13px;padding:5px 0;border-bottom:2px solid transparent}
.nav-drop-btn:hover,.nav-drop-btn.on{color:var(--accent);border-bottom-color:var(--accent)}
.nav-drop-btn .arr{font-size:9px;opacity:.7;transition:transform .15s}
.nav-drop:hover .nav-drop-btn .arr{transform:rotate(180deg)}
.nav-drop-menu{display:none;position:absolute;top:calc(100% + 4px);left:0;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 32px rgba(50,37,31,.14);padding:6px 0;min-width:240px;z-index:1000}
.nav-drop:hover .nav-drop-menu,.nav-drop:focus-within .nav-drop-menu{display:block}
.nav-drop-menu a{display:block;padding:7px 16px;color:var(--fg);font-size:13px;text-decoration:none;border-bottom:none;white-space:nowrap;line-height:1.4}
.nav-drop-menu a:hover{background:var(--panel2);color:var(--accent);border-bottom:none}
.nav-drop-menu a.on{color:var(--accent);font-weight:600}
.nav-drop-header{padding:6px 16px 2px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--dimmer);border-top:1px solid var(--line);margin-top:4px}
.nav-drop-header:first-child{border-top:none;margin-top:0}

/* Scenario grid on How it works page */
.scenarios-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:28px 0}
.scenario-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px;transition:border-color .15s,box-shadow .15s}
.scenario-card:hover{border-color:var(--accent);box-shadow:0 6px 20px rgba(196,62,28,.08)}
.scenario-card h3{margin:0 0 8px;font-size:17px}
.scenario-card h3 a{color:var(--fg);text-decoration:none}
.scenario-card h3 a:hover{color:var(--accent)}
.scenario-card p{margin:0;font-size:14px;color:var(--dim);line-height:1.55}

/* Mobile tools menu button & dropdown drawer */
.mobile-menu-btn{display:none;align-items:center;gap:6px;background:var(--panel2);color:var(--fg);border:1px solid var(--line);border-radius:8px;padding:7px 12px;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap}
.mobile-menu-btn:hover,.mobile-menu-btn.active{background:color-mix(in srgb,var(--accent) 8%,var(--panel2));border-color:var(--accent);color:var(--accent)}
.mobile-menu-btn .menu-icon{font-size:14px;line-height:1}
.mobile-menu-btn .arr{font-size:9px;opacity:.7;transition:transform .15s}
.mobile-menu-btn.active .arr{transform:rotate(180deg)}

.mobile-tools-dropdown{display:none;width:100%;order:10;background:var(--panel);border-top:1px solid var(--line);padding:16px 8px 8px;margin-top:12px;border-radius:0 0 10px 10px}
.mobile-tools-dropdown.open{display:block}
.mobile-tools-grid{display:grid;grid-template-columns:1fr;gap:16px}
.mobile-group-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--accent);margin-bottom:6px;padding:0 8px}
.mobile-group-links{display:flex;flex-direction:column;gap:2px}
.mobile-group-links a{display:block;padding:9px 12px;border-radius:6px;color:var(--fg);text-decoration:none;font-size:13.5px;line-height:1.3}
.mobile-group-links a:hover{background:var(--panel2);color:var(--accent)}
.mobile-group-links a.on{background:color-mix(in srgb,var(--accent) 10%,var(--panel2));color:var(--accent);font-weight:600}

/* Dark mode */
@media(prefers-color-scheme:dark){
  :root{--bg:#201914;--panel:#2b211b;--panel2:#392b23;--line:#584033;--fg:#f8eee4;--dim:#d0b5a3;--dimmer:#bb9c88;--accent:#f18c68;--good:#9ccc9d}
  button.primary,.presets button.on{color:#29180f}
  .tm i span{color:#29180f}
}

/* Tablet / Desktop responsive */
@media(max-width:1000px){
  .bar{gap:16px}
  .site-nav{gap:12px}
  .hero{gap:24px}
  .hero h1{font-size:46px}
}

/* Mobile viewport (phones & small tablets <= 768px) */
@media(max-width:768px){
  .mobile-menu-btn{display:inline-flex}
  .site-nav{display:none}
  .bar{padding:14px 18px;justify-content:space-between;align-items:center}
  .bar-right{margin-left:auto;gap:8px}
  .scenarios-grid{grid-template-columns:1fr}
}

@media(min-width:480px) and (max-width:768px){
  .mobile-tools-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:640px){
  .bar{padding:12px 16px}
  .brand-link{font-size:17px}
  .hero{grid-template-columns:1fr;padding:32px 20px 24px;gap:12px}
  .hero h1{font-size:35px;letter-spacing:-1px}
  .hero-art{max-width:220px;justify-self:center}
  .hero p{font-size:15px}
  .trust{margin-top:16px}
  .tool-wrap{padding:0 16px}
  .drop{padding:26px 16px}
  .drop :is(h1,h2){font-size:20px}
  .content{padding:0 20px;margin-top:40px;font-size:15px}
  .content h2{font-size:26px}
  .related{grid-template-columns:1fr}
  .content table{font-size:12px}
  .content td,.content th{padding:10px 5px}
  .site-foot{margin-top:40px;padding:24px 20px}
}

/* Page illustrations (site/images.py, 2026-10-13) */
.content figure.page-fig{margin:22px 0 26px}
.content figure.page-fig img{display:block;width:100%;height:auto;border-radius:16px;background:#fcf7f1}

/* How-it-works film (site/hiw-video.js) */
.hiw-video{margin:0 0 34px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--panel);box-shadow:0 14px 40px #6a34190f}
.hiw-video canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;cursor:pointer}
.hv-ui{display:flex;align-items:center;gap:12px;padding:10px 14px;border-top:1px solid var(--line);flex-wrap:wrap}
.hv-play{width:38px;height:38px;padding:0;border-radius:50%;border:0;background:var(--accent);display:grid;place-items:center;flex:none}
.hv-play svg{width:18px;height:18px;fill:#fffdf9}
.hv-bar{flex:1;min-width:120px;height:6px;border-radius:3px;background:var(--panel2);cursor:pointer;overflow:hidden}
.hv-fill{height:100%;width:0;background:var(--accent)}
.hv-dots{display:flex;gap:6px}
.hv-dot{width:10px;height:10px;padding:0;border-radius:50%;border:1px solid var(--line);background:var(--panel2)}
.hv-dot.on{background:var(--accent);border-color:var(--accent)}
.hv-cta{font-weight:650;font-size:14px;color:var(--accent);text-decoration:none;border:1px solid var(--accent);border-radius:8px;padding:6px 12px}
@media(max-width:640px){.hv-dots{display:none}.hiw-video{border-radius:12px;margin-bottom:24px}}