:root {
  color-scheme:light;
  --ink:#233e35;
  --muted:#66766b;
  --paper:#f3f0e7;
  --line:#d8ded2;
  --accent:#b77655
}
* {
  box-sizing:border-box
}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Serif CJK SC","Songti SC","STSong",serif
}
button,input {
  font:inherit
}
button {
  cursor:pointer
}
button:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible {
  outline:3px solid #ae704f;
  outline-offset:4px
}
header,footer {
  max-width:1420px;
  margin:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:28px 6.3%
}
header {
  border-bottom:1px solid #dedfd5
}
.brand {
  font-size:21px;
  font-weight:700;
  text-decoration:none;
  color:inherit;
  letter-spacing:.14em
}
.brandmark {
  font-size:26px;
  vertical-align:-2px;
  margin-right:6px
}
.header-note,footer {
  font-size:12px;
  color:#5c6c60;
  letter-spacing:.12em
}
main {
  max-width:1420px;
  margin:auto;
  display:grid;
  grid-template-columns:1fr minmax(460px, .9fr);
  gap:8%;
  padding:62px 6.3% 48px
}
.intro {
  padding-top:35px;
  min-width:0
}
.eyebrow {
  font-family:Arial,sans-serif;
  letter-spacing:.18em;
  font-size:10px;
  color:#596e5e;
  font-weight:600
}
.eyebrow span {
  color:#b77655;
  margin:0 8px
}
h1 {
  font-size:clamp(40px,4.6vw,68px);
  font-weight:500;
  line-height:1.38;
  letter-spacing:.055em;
  margin:32px 0 22px
}
.period {
  color:var(--accent)
}
.lead {
  color:#5c6d60;
  font-size:15px;
  line-height:2.1;
  letter-spacing:.08em
}
.art {
  height:205px;
  position:relative;
  overflow:hidden;
  margin-top:70px;
  border-bottom:1px solid #c7d0c2
}
.sun {
  position:absolute;
  width:100px;
  height:100px;
  border-radius:50%;
  background:#dbb8a0;
  left:29%;
  top:10px
}
.ridge {
  position:absolute;
  width:75%;
  height:210px;
  border-radius:50% 50% 0 0;
  transform:rotate(-8deg);
  bottom:-145px;
  background:#b1c0ad
}
.ridge.back {
  left:2%;
  background:#ced6c7;
  bottom:-128px
}
.ridge.front {
  right:-8%;
  background:#8fa692
}
.art-caption {
  position:absolute;
  bottom:12px;
  left:0;
  font-size:11px;
  letter-spacing:.2em;
  color:#536d5c
}
.practice {
  background:#faf9f4;
  border:1px solid #e3e6dc;
  padding:34px 40px 29px;
  box-shadow:0 20px 55px #4253440c
}
.panel-top {
  display:flex;
  justify-content:space-between;
  align-items:start
}
.panel-top h2 {
  font-size:22px;
  font-weight:500;
  margin:11px 0
}
.panel-number {
  font-size:11px;
  color:#637a68
}
.sub,.note {
  font-size:12px;
  line-height:1.8;
  color:#52685a
}
.clock-scene {
  height:234px;
  position:relative;
  display:grid;
  place-items:center
}
.breath {
  position:absolute;
  width:190px;
  height:190px;
  border-radius:50%;
  background:#edf1e9;
  box-shadow:0 0 0 18px #f3f5ef,0 0 0 36px #f7f8f3;
  animation:breathe 7s ease-in-out infinite alternate
}
@keyframes breathe {
  from {
    transform:scale(.94)
  }
  to {
    transform:scale(1.04)
  }
}
.no-motion .breath {
  animation:none
}
@media(prefers-reduced-motion:reduce) {
  .breath {
    animation:none
  }
}
.clock-content {
  position:relative;
  text-align:center
}
#status {
  font-size:12px;
  color:#52685a;
  margin:0 0 12px
}
#clock {
  font-family:Georgia,serif;
  font-size:52px;
  line-height:1;
  color:#2d4c3e;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em
}
.clock-label {
  font:9px Arial,sans-serif;
  letter-spacing:.16em;
  color:#5c7160;
  margin-top:15px
}
fieldset {
  border:0;
  padding:0;
  margin:8px 0 0
}
legend {
  font-size:13px;
  margin-bottom:12px
}
legend span {
  color:#627365
}
.choices {
  display:flex;
  gap:8px;
  align-items:stretch
}
.choice,.custom {
  border:1px solid #dce3d9;
  background:transparent;
  color:var(--ink);
  border-radius:2px;
  min-height:44px
}
.choice {
  width:54px
}
.choice.selected {
  background:#dbe7db;
  border-color:#6f8e75;
  box-shadow:inset 0 0 0 1px #6f8e75
}
.custom {
  white-space:nowrap;
  display:flex;
  align-items:center;
  padding:0 9px;
  font-size:12px;
  gap:6px;
  flex:1;
  min-width:0
}
.custom input {
  width:100%;
  min-width:0;
  border:0;
  background:transparent;
  outline-offset:1px;
  color:var(--ink)
}
.error {
  color:#a24336;
  font-size:12px;
  min-height:1em;
  margin:7px 0
}
.actions {
  display:flex;
  gap:12px;
  align-items:center
}
.primary,.secondary {
  border:0;
  background:#284c3b;
  color:white;
  padding:14px 20px;
  min-height:48px;
  flex:1;
  text-align:left
}
.primary span {
  float:right
}
.secondary {
  background:#dce7dc;
  color:#294638;
  text-align:center
}
.text-button {
  min-height:44px;
  min-width:44px;
  border:0;
  background:none;
  color:#536e5e;
  text-decoration:underline;
  text-underline-offset:4px;
  padding:10px;
  font-size:12px
}
details {
  border-top:1px solid #e5e8e0;
  margin-top:23px;
  padding-top:15px;
  font-size:12px;
  color:#546c5d
}
summary {
  cursor:pointer;
  min-height:44px
}
.settings {
  display:grid;
  gap:13px;
  padding:16px 0 4px
}
.settings label {
  min-height:44px;
  display:flex;
  align-items:center;
  gap:8px
}
.settings input[type=range] {
  accent-color:#345d47
}
.settings button {
  justify-self:start;
  padding-left:0
}
.settings p {
  margin:0;
  color:#697a6e
}
.note {
  font-size:11px;
  margin:19px 0 0
}
footer {
  border-top:1px solid #dedfd5;
  padding-top:20px;
  padding-bottom:25px
}
[hidden] {
  display:none!important
}
@media(max-width:760px) {
  header {
    padding:19px 22px
  }
  .header-note {
    font-size:10px
  }
  main {
    display:flex;
    flex-direction:column;
    gap:25px;
    padding:27px 20px 35px
  }
  .intro {
    padding:0
  }
  .intro h1 {
    font-size:36px;
    margin:15px 0 9px;
    line-height:1.3
  }
  .lead {
    font-size:13px;
    line-height:1.8;
    margin:0
  }
  .art {
    display:none
  }
  .practice {
    padding:25px 22px
  }
  .panel-top h2 {
    font-size:19px
  }
  .clock-scene {
    height:206px
  }
  .breath {
    width:160px;
    height:160px;
    box-shadow:0 0 0 15px #f3f5ef,0 0 0 28px #f7f8f3
  }
  #clock {
    font-size:46px
  }
  .choices {
    gap:6px
  }
  .choice {
    width:44px
  }
  .custom {
    padding:0 6px
  }
  footer {
    padding:20px;
    gap:15px;
    font-size:10px
  }
}