:root{
  --paper: #fbfaf7;
  --card: #ffffff;
  --ink: #1f2a37;
  --muted: #4b5563;
  --line: rgba(31, 42, 55, 0.18);
  --shadow: 0 10px 26px rgba(31, 42, 55, 0.08);
  --wash: rgba(77, 124, 254, 0.06);

  --accent: #ff7a6e;   /* coral */
  --accent2: #2aa7a0;  /* teal */
  --accent3: #4d7cfe;  /* cornflower */

  --radius: 18px;
  --pad: clamp(16px, 2.2vw, 24px);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--ink);
  background:
    radial-gradient(1100px 500px at 15% 0%, rgba(255,122,110,0.10), transparent 55%),
    radial-gradient(1100px 520px at 85% 18%, rgba(42,167,160,0.11), transparent 58%),
    linear-gradient(180deg, #ffffff, var(--paper));
  line-height: 1.45;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  z-index: 10;
}
.skip-link:focus{ left: 10px; }

.page{
  max-width: 1040px;
  margin: 0 auto;
  padding: clamp(18px, 2.6vw, 34px);
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.masthead{
  padding: var(--pad);
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.masthead__inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  align-items: start;
}

.kicker{
  margin: 0 0 8px 0;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 650;
  color: rgba(31, 42, 55, 0.74);
  letter-spacing: 0.02em;
}
.kicker::before{
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  box-shadow: 0 0 0 4px rgba(77,124,254,0.12);
}

h1{
  margin: 0;
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.subhead{
  margin: 10px 0 0 0;
  font-size: clamp(15px, 1.75vw, 18px);
  color: var(--muted);
  max-width: 60ch;
}

.takeaways{
  margin: 16px 0 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.takeaways li{
  padding: 10px 12px;
  background: linear-gradient(180deg, rgba(77,124,254,0.06), rgba(255,122,110,0.05));
  border: 1px solid rgba(31, 42, 55, 0.12);
  border-radius: 14px;
}
.takeaways strong{ font-weight: 750; }

.masthead__figure{
  margin: 0;
  display: grid;
  gap: 10px;
}
.masthead__figure img{
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.caption-chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(31,42,55,0.14);
  background: rgba(255,255,255,0.9);
  color: rgba(31,42,55,0.78);
  font-size: 13px;
  width: fit-content;
}
.caption-chip--wide{ border-radius: 14px; }

.content{
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.section{
  padding: var(--pad);
}

.section__header{
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  margin-bottom: clamp(10px, 1.8vw, 16px);
}
.section__header--divider{
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(31,42,55,0.24);
}

.section__icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(31,42,55,0.14);
  background: linear-gradient(180deg, rgba(42,167,160,0.10), rgba(255,122,110,0.08));
  display: grid;
  place-items: center;
  color: rgba(31,42,55,0.78);
}
.icon{ width: 26px; height: 26px; }

h2{
  margin: 0;
  font-size: clamp(20px, 2.3vw, 28px);
  letter-spacing: -0.01em;
}
.section__lede{
  margin: 6px 0 0 0;
  color: var(--muted);
  max-width: 70ch;
}

.timeline{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.stage{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  align-items: stretch;
}

.rail{
  position: relative;
  display: grid;
  justify-items: center;
  align-content: start;
  padding-top: 4px;
}

.day-badge{
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(31,42,55,0.16);
  background: rgba(255,255,255,0.92);
}

.dot{
  margin-top: 10px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent2), var(--accent3));
  box-shadow: 0 0 0 6px rgba(42,167,160,0.14);
}

.rail__line{
  width: 2px;
  height: 100%;
  background: rgba(31,42,55,0.18);
  margin-top: 10px;
  border-radius: 999px;
}
.rail__line--end{
  background: linear-gradient(180deg, rgba(31,42,55,0.18), transparent);
}

.stage__card{
  border: 1px solid rgba(31,42,55,0.14);
  border-radius: 16px;
  padding: 14px;
  background:
    linear-gradient(180deg, rgba(255,255,255,1), rgba(77,124,254,0.035));
}

.stage__head{
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}
.stage__head h3{
  margin: 0;
  font-size: clamp(16px, 1.9vw, 20px);
}
.quote{
  margin: 0;
  color: rgba(31,42,55,0.72);
  font-weight: 650;
}

.stage__body{
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: start;
}

.stage__visual{
  border: 1px solid rgba(31,42,55,0.12);
  background: rgba(255,255,255,0.7);
  border-radius: 14px;
  padding: 10px;
}

.scene{
  width: 100%;
  height: auto;
  color: rgba(31,42,55,0.85);
}
.scene *{ vector-effect: non-scaling-stroke; }

.stage__figure{
  margin: 0;
  display: grid;
  gap: 10px;
}
.stage__figure img{
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.stage__copy{
  display: grid;
  gap: 10px;
}

.bullets{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
.bullets li{ margin: 6px 0; }
.bullets strong{ color: rgba(31,42,55,0.88); }

.micro-humor{
  margin: 0;
  color: rgba(31,42,55,0.74);
}

.chip{
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(31,42,55,0.16);
  background: rgba(255,255,255,0.9);
  font-weight: 650;
  font-size: 13px;
}
.chip--hot{
  border-color: rgba(255,122,110,0.35);
  background: rgba(255,122,110,0.10);
}
.chip--soft{
  margin-right: 8px;
  background: rgba(42,167,160,0.10);
  border-color: rgba(42,167,160,0.24);
}

.loop{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}
.loop__diagram{
  border: 1px solid rgba(31,42,55,0.14);
  border-radius: 16px;
  padding: 14px;
  background:
    radial-gradient(600px 220px at 25% 0%, rgba(255,122,110,0.10), transparent 60%),
    radial-gradient(560px 220px at 80% 10%, rgba(42,167,160,0.10), transparent 60%),
    rgba(255,255,255,0.8);
}
.loop-svg{
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 10px;
}

.loop__labels{
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.loop__pill{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(31,42,55,0.14);
  background: rgba(255,255,255,0.9);
  color: rgba(31,42,55,0.80);
}
.loop__pill strong{ color: rgba(31,42,55,0.92); }

.callout{
  border: 1px solid rgba(31,42,55,0.14);
  border-radius: 16px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(77,124,254,0.06), rgba(255,122,110,0.04));
}
.callout--soft{
  margin-top: 14px;
  background: linear-gradient(180deg, rgba(42,167,160,0.06), rgba(77,124,254,0.04));
}
.callout__title{
  margin: 0 0 6px 0;
  font-size: 16px;
}
.callout__text{
  margin: 0;
  color: var(--muted);
}

.rule{
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
}

.rule__headline{
  margin: 0;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(31,42,55,0.14);
  background: radial-gradient(720px 220px at 20% 0%, rgba(255,122,110,0.14), transparent 55%),
              radial-gradient(720px 220px at 80% 0%, rgba(42,167,160,0.14), transparent 55%),
              rgba(255,255,255,0.9);
}
.rule__num{
  font-weight: 900;
  display: inline-block;
  padding: 2px 10px;
  border-radius: 14px;
  border: 1px solid rgba(31,42,55,0.14);
  background: rgba(255,255,255,0.95);
}
.rule__text{
  color: rgba(31,42,55,0.78);
}

.rule__steps{
  margin-top: 12px;
  display: grid;
  gap: 10px;
}
.step{
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(31,42,55,0.12);
  background: rgba(255,255,255,0.85);
}
.step__badge{
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  border: 1px solid rgba(31,42,55,0.14);
  background: rgba(77,124,254,0.10);
}
.step__title{
  margin: 0;
  font-size: 15px;
}
.step__text{
  margin: 4px 0 0 0;
  color: var(--muted);
}

.rule__figure{
  margin: 0;
  display: grid;
  gap: 10px;
}
.rule__figure img{
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
}

.micro-tools{
  margin-top: 14px;
}
.micro-tools__title{
  margin: 0 0 10px 0;
  font-size: 16px;
}
.micro-tools__grid{
  display: grid;
  gap: 10px;
}
.tool{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(31,42,55,0.12);
  background: rgba(255,255,255,0.85);
}
.tool__title{
  margin: 0 0 6px 0;
  font-size: 15px;
}
.tool__text{
  margin: 0;
  color: var(--muted);
}

.hotspots{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.hotspot{
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(31,42,55,0.12);
  background: rgba(255,255,255,0.85);
  color: rgba(31,42,55,0.82);
}
.hotspot__icon{
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(31,42,55,0.12);
  background: rgba(42,167,160,0.10);
  font-size: 16px;
}

.reasons{
  display: grid;
  gap: 10px;
}
.reason{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(31,42,55,0.12);
  background: rgba(255,255,255,0.85);
}
.reason__title{
  margin: 0 0 6px 0;
  font-size: 15px;
}
.reason__text{
  margin: 0;
  color: var(--muted);
}

.footer{
  margin-top: clamp(16px, 2.4vw, 26px);
  padding: var(--pad);
}
.footer__inner{
  display: grid;
  gap: 8px;
}
.footer__title{
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.01em;
}
.footer__text{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}
.footer__tiny{
  margin: 6px 0 0 0;
  color: rgba(31,42,55,0.56);
  font-size: 12.5px;
}

@media (min-width: 860px){
  .masthead__inner{
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
  .stage__body{
    grid-template-columns: 0.9fr 1.1fr;
  }
  .loop{
    grid-template-columns: 1.2fr 0.8fr;
  }
  .loop__labels{
    grid-template-columns: 1fr 1fr;
  }
  .rule{
    grid-template-columns: 1.15fr 0.85fr;
  }
  .micro-tools__grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .hotspots{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .reasons{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media print{
  body{ background: #fff; }
  .card{ box-shadow: none; }
  .caption-chip{ background: #fff; }
}