@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap');

:root{
  --ink:#172623;
  --ink-2:#2c413b;
  --teal:#5cc6b0;
  --teal-d:#3f9a88;
  --sand:#d4c4a8;
  --sand-l:#f2ebdc;
  --paper:#fbf8f1;
  --clay:#c67b5c;
  --olive:#6b7b3c;
  --line:#e2d7c3;
  --shadow:0 16px 34px -26px rgba(23,38,35,.95);
  --r:10px;
}

*{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:'DM Sans',-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  background:linear-gradient(180deg,#f8f3e9 0%,#f0e7d7 58%,#e9dfcc 100%);
  background-attachment:fixed;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(rgba(23,38,35,.06) 1px,transparent 1px),
    radial-gradient(rgba(198,123,92,.07) 1px,transparent 1px);
  background-size:5px 5px,12px 12px;
  background-position:0 0,3px 4px;
}

.topline,.masthead,.hero,main,.foot{position:relative;z-index:1}

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;
}

.topline{background:var(--ink);color:var(--sand);font-size:15px}
.topline p{
  margin:0 auto;
  max-width:1180px;
  padding:9px 22px;
  display:flex;
  align-items:center;
  gap:10px;
  letter-spacing:.05em;
}
.topline code{
  font-family:inherit;
  letter-spacing:.16em;
  color:var(--teal);
  font-weight:500;
}
.topline .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 4px rgba(92,198,176,.18);
  flex:none;
}

.masthead{
  position:sticky;
  top:0;
  z-index:9;
  background:rgba(250,246,238,.95);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}

.brandrow{
  max-width:1180px;
  margin:0 auto;
  padding:12px 22px 4px;
  display:flex;
  align-items:center;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  font-size:22px;
  font-weight:700;
  letter-spacing:.01em;
  text-decoration:none;
  color:var(--ink);
}
.brand svg{color:var(--teal-d);flex:none}

.menubar{border-top:1px dashed var(--line)}
.menubar p{
  max-width:1180px;
  margin:0 auto;
  padding:0 12px;
  display:flex;
  flex-wrap:wrap;
  gap:2px;
}
.menubar a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:6px 12px;
  font-size:16px;
  text-decoration:none;
  color:var(--ink-2);
  border-radius:999px;
  transition:background .32s ease-out,color .32s ease-out;
}
.menubar a:hover,.menubar a:focus-visible{background:rgba(92,198,176,.22);color:#0e1c19}

.hero{
  max-width:1180px;
  margin:0 auto;
  padding:30px 22px 10px;
  min-height:45vh;
  display:grid;
  grid-template-columns:minmax(0,300px) minmax(0,1fr);
  gap:30px;
  align-items:center;
}

.hero-art{position:relative}
.hero-art img,.hero-svg{
  display:block;
  width:100%;
  height:auto;
  border-radius:26px 10px 22px 12px;
  box-shadow:0 22px 40px -30px rgba(23,38,35,.9);
  background:#e8dfca;
}

.badge{
  position:absolute;
  right:-10px;
  bottom:-12px;
  width:54px;height:54px;
  border-radius:50%;
  background:var(--teal);
  color:#10211d;
  display:grid;
  place-items:center;
  box-shadow:0 14px 24px -14px rgba(23,38,35,.8);
}
.badge svg{width:26px;height:26px}

.hero-copy{text-align:right}
h1{
  margin:0 0 14px;
  font-size:clamp(28px,4.6vw,46px);
  line-height:1.2;
  letter-spacing:-.012em;
}
.lead{
  margin:0 0 0 auto;
  max-width:40ch;
  font-size:16px;
  color:var(--ink-2);
}

main{
  max-width:1180px;
  margin:0 auto;
  padding:30px 22px 44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  gap:26px;
  align-items:start;
}

article{min-width:0}

main section{scroll-margin-top:150px}

article > section{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px 28px;
  margin:0 0 18px;
  box-shadow:var(--shadow);
}
article > section:nth-of-type(even){border-radius:18px 10px 20px 10px}
article > section:last-child{margin-bottom:0}

article h2,article h3{line-height:1.4}
article h2{
  font-size:clamp(20px,2.3vw,26px);
  margin:0 0 14px;
  letter-spacing:-.005em;
}
article h3{font-size:19px;margin:22px 0 10px;color:var(--ink-2)}

article h2 > span{display:inline-block;position:relative}
article h2 > span::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-5px;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--teal),rgba(92,198,176,0));
}

article p{margin:0 0 15px}
article p:last-child{margin-bottom:0}
article ul,article ol{margin:0 0 15px;padding-left:22px}
article li{margin:0 0 8px}
article a{
  color:#2c7c6c;
  text-decoration:underline;
  text-decoration-color:rgba(92,198,176,.65);
  text-underline-offset:3px;
}
article strong{color:#10201c}
article blockquote{
  margin:0 0 16px;
  padding:14px 18px;
  border-left:4px solid var(--sand);
  background:rgba(212,196,168,.22);
  border-radius:0 10px 10px 0;
  color:var(--ink-2);
}

.side{
  position:sticky;
  top:140px;
  display:grid;
  gap:16px;
}

.side-block{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px 10px 16px 10px;
  padding:16px 16px 18px;
  box-shadow:var(--shadow);
}
.side-block--plain{background:rgba(212,196,168,.3);border-style:dashed}

.side-block h2{
  margin:0 0 10px;
  font-size:15px;
  letter-spacing:.12em;
  color:var(--ink-2);
  font-weight:700;
}
.side-block ul{margin:0;padding:0;list-style:none}
.side-block li + li{border-top:1px dashed rgba(23,38,35,.12)}
.side-block li a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:4px 8px;
  font-size:16px;
  color:var(--ink-2);
  text-decoration:none;
  border-radius:8px;
  transition:background .3s ease-out;
}
.side-block li a:hover,.side-block li a:focus-visible{background:rgba(92,198,176,.2)}

.totop{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid var(--teal-d);
  color:#256456;
  font-size:16px;
  text-decoration:none;
  transition:background .3s ease-out;
}
.totop:hover,.totop:focus-visible{background:rgba(92,198,176,.28)}

.foot{
  margin-top:16px;
  background:var(--ink);
  color:var(--sand);
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:28px;
  padding:44px max(22px,calc((100% - 1136px) / 2)) 36px;
}
.foot h2{margin:0 0 10px;font-size:15px;letter-spacing:.12em;color:var(--teal);font-weight:700}
.foot h2 > span{display:inline-block;border-bottom:2px solid rgba(92,198,176,.5);padding-bottom:2px}

.foot-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  font-size:20px;
  font-weight:700;
  color:#f3ecdd;
  text-decoration:none;
}
.foot-brand svg{color:var(--teal)}
.f-brand code{
  display:block;
  margin-top:4px;
  font-family:inherit;
  font-size:15px;
  letter-spacing:.16em;
  color:rgba(212,196,168,.75);
}

.foot ul{margin:0;padding:0;list-style:none}
.foot li a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:16px;
  color:var(--sand);
  text-decoration:none;
  border-bottom:1px dashed rgba(212,196,168,.28);
  transition:color .3s ease-out,border-color .3s ease-out;
}
.foot li a:hover,.foot li a:focus-visible{color:var(--teal);border-color:var(--teal)}

.sub{display:flex;flex-wrap:wrap;gap:8px}
.sub input{
  flex:1 1 120px;
  min-height:44px;
  padding:8px 12px;
  font:inherit;
  font-size:16px;
  color:#f3ecdd;
  background:rgba(250,246,238,.07);
  border:1px solid rgba(212,196,168,.36);
  border-radius:8px;
}
.sub input::placeholder{color:rgba(212,196,168,.68)}
.sub input:focus{outline:2px solid rgba(92,198,176,.6);outline-offset:1px}
.sub button{
  min-height:44px;
  padding:8px 18px;
  font:inherit;
  font-size:16px;
  font-weight:700;
  color:#0f1f1b;
  background:var(--teal);
  border:0;
  border-radius:8px;
  cursor:pointer;
  transition:background .3s ease-out;
}
.sub button:hover{background:#7ad8c5}

.f-bottom{display:grid;gap:6px;align-content:start}
.f-bottom .copy{margin:0;font-size:15px;color:rgba(212,196,168,.8)}
.f-bottom .totop{border-color:rgba(212,196,168,.45);color:var(--sand)}
.f-bottom .totop:hover{background:rgba(92,198,176,.24)}

.js .reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .72s cubic-bezier(.22,.7,.3,1),transform .72s cubic-bezier(.22,.7,.3,1);
}
.js .reveal.in{opacity:1;transform:none}

@media (max-width:940px){
  main{grid-template-columns:minmax(0,1fr)}
  .side{position:static;grid-template-columns:1fr 1fr;top:auto}
  .foot{grid-template-columns:1fr 1fr;row-gap:24px}
}

@media (max-width:640px){
  body{font-size:16px}
  .topline{font-size:14px}
  .topline p{padding:7px 16px}
  .brandrow{padding:10px 16px 2px}
  .brand{font-size:20px}
  .menubar p{padding:0 6px}
  .menubar a{font-size:16px;padding:6px 10px}
  .hero{
    padding:20px 16px 4px;
    min-height:0;
    grid-template-columns:minmax(0,1fr);
    gap:18px;
  }
  .hero-copy{order:-1}
  .hero-art{max-width:196px;margin-left:auto}
  h1{font-size:30px}
  .lead{font-size:16px}
  main{padding:20px 16px 34px;gap:18px}
  article > section{padding:20px 17px}
  .side{grid-template-columns:minmax(0,1fr)}
  .foot{grid-template-columns:minmax(0,1fr);padding:34px 16px 30px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .menubar a,.sub button,.totop,.side-block li a{transition:none}
}

button[aria-expanded]{min-width:44px;min-height:44px}