/* styles.css */

:root{
  --bg: #fbfaf7;
  --paper: #ffffff;
  --ink: #1f2430;
  --muted: #5d6676;
  --soft: #e9e4da;
  --soft-2: #f3f0ea;

  --accent: #2f6f73;      /* calm teal */
  --accent-2: #b85c5c;    /* warm clay */
  --accent-3: #6a6bb1;    /* soft indigo */
  --accent-4: #c18b3a;    /* muted amber */

  --radius: 18px;
  --radius-sm: 14px;

  --shadow: 0 10px 30px rgba(31, 36, 48, 0.08);
  --stroke: 2px solid rgba(31, 36, 48, 0.12);

  --measure: 68ch;
  --wrap: 1040px;

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 22px;
  --space-5: 28px;
  --space-6: 36px;
  --space-7: 48px;
  --space-8: 64px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  --font-serif: ui-serif, Georgia, "Times New Roman", Times, serif;
}

*{ box-sizing: border-box; }

html, body{
  height: 100%;
}

body{
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: radial-gradient(900px 500px at 15% 8%, rgba(47, 111, 115, 0.10), transparent 60%),
              radial-gradient(820px 560px at 85% 20%, rgba(193, 139, 58, 0.10), transparent 60%),
              radial-gradient(900px 680px at 35% 92%, rgba(106, 107, 177, 0.08), transparent 60%),
              var(--bg);
  line-height: 1.5;
}

img{
  max-width: 100%;
  display: block;
}

a{ color: inherit; }

.wrap{
  width: min(var(--wrap), calc(100% - 2 * var(--space-5)));
  margin-inline: auto;
}

.skip-link{
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus{
  left: var(--space-4);
  top: var(--space-4);
  width: auto;
  height: auto;
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  background: var(--paper);
  border: var(--stroke);
  box-shadow: var(--shadow);
  z-index: 10;
}

/* Typography */
h1, h2, h3{
  letter-spacing: -0.01em;
  margin: 0;
}

h1{
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.06;
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
}

h2{
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.15;
}

h3{
  font-size: 1.05rem;
  line-height: 1.2;
}

p{
  margin: 0;
  color: var(--ink);
}

.lede{
  color: var(--muted);
  max-width: var(--measure);
  font-size: 1.05rem;
}

.kicker{
  display: inline-block;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(31, 36, 48, 0.10);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.95rem;
  backdrop-filter: blur(6px);
}

.fineprint{
  color: var(--muted);
  font-size: 0.92rem;
}

/* Page hero */
.page-hero{
  padding: var(--space-8) 0 var(--space-6);
}

.hero-grid{
  display: grid;
  gap: var(--space-6);
  align-items: start;
  grid-template-columns: 1.1fr 0.9fr;
}

.hero-text{
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.60);
  border: 1px solid rgba(31, 36, 48, 0.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero-figure{
  margin: 0;
  background: rgba(255, 255, 255, 0.70);
  border: 1px solid rgba(31, 36, 48, 0.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-figure img{
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero-figure figcaption{
  padding: var(--space-3) var(--space-4) var(--space-4);
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-tags{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
}

.tag{
  padding: 7px 11px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(47,111,115,0.12), rgba(47,111,115,0.05));
  border: 1px solid rgba(47, 111, 115, 0.22);
  color: #214a4d;
  font-size: 0.92rem;
}

/* Main layout */
.page{
  padding-bottom: var(--space-8);
}

/* Modules */
.module{
  margin-top: var(--space-6);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 36, 48, 0.10);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.module-head{
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid rgba(31, 36, 48, 0.08);
  background:
    radial-gradient(600px 120px at 18% 0%, rgba(47, 111, 115, 0.12), transparent 60%),
    radial-gradient(520px 120px at 85% 0%, rgba(193, 139, 58, 0.12), transparent 60%),
    rgba(255,255,255,0.55);
}

.module-subtitle{
  margin-top: var(--space-2);
  color: var(--muted);
  max-width: var(--measure);
}

.module-grid{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-5);
  padding: var(--space-5);
}

.module-copy{
  display: grid;
  gap: var(--space-3);
  align-content: start;
  max-width: var(--measure);
}

.module-aside{
  align-self: start;
}

.module-visual,
.module-figure{
  margin: 0;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 36, 48, 0.10);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}

.module-figure{
  padding: 0;
  overflow: hidden;
}

.module-figure img{
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.module-visual figcaption,
.module-figure figcaption{
  margin-top: var(--space-3);
  color: var(--muted);
  font-size: 0.95rem;
}

/* Lists & micro elements */
.bullet{
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink);
}
.bullet li{
  margin: 6px 0;
  color: var(--ink);
}
.bullet li::marker{
  color: rgba(47, 111, 115, 0.85);
}

.microhead{
  font-family: var(--font-serif);
  font-weight: 600;
  color: rgba(31, 36, 48, 0.90);
  margin-top: var(--space-2);
}

.keyline{
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(106, 107, 177, 0.12), rgba(47, 111, 115, 0.08));
  border: 1px solid rgba(106, 107, 177, 0.22);
}

.insight{
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(47, 111, 115, 0.10), rgba(47, 111, 115, 0.04));
  border: 1px solid rgba(47, 111, 115, 0.22);
  color: #214a4d;
}

.reframe{
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(193, 139, 58, 0.12), rgba(193, 139, 58, 0.04));
  border: 1px solid rgba(193, 139, 58, 0.24);
  color: #574021;
}

.prompt{
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.78);
  border: 1px dashed rgba(31, 36, 48, 0.20);
}

/* Callout */
.callout{
  padding: var(--space-4);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.65));
  border: 1px solid rgba(31, 36, 48, 0.10);
  box-shadow: 0 10px 26px rgba(31, 36, 48, 0.06);
  display: grid;
  gap: var(--space-3);
}

.checklist{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.checklist li{
  position: relative;
  padding-left: 28px;
  color: var(--ink);
}
.checklist li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 0.25em;
  width: 16px;
  height: 16px;
  border-radius: 6px;
  border: 2px solid rgba(47, 111, 115, 0.55);
  background: rgba(47, 111, 115, 0.10);
}

/* Triad cards */
.triad{
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.triad-card{
  border-radius: var(--radius);
  padding: var(--space-4);
  border: 1px solid rgba(31, 36, 48, 0.10);
  background: rgba(255, 255, 255, 0.75);
  display: grid;
  gap: var(--space-2);
}

.label{
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 2px;
}

.theme{
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 0.95rem;
}
.theme span{
  color: rgba(31, 36, 48, 0.86);
  font-weight: 600;
}

/* Split cards */
.split{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.split-card{
  border-radius: var(--radius);
  padding: var(--space-4);
  border: 1px solid rgba(31, 36, 48, 0.10);
  background: rgba(255, 255, 255, 0.75);
  display: grid;
  gap: var(--space-2);
}

/* Mini steps */
.mini-steps{
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.step{
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  border: 1px solid rgba(31, 36, 48, 0.10);
  background: rgba(255, 255, 255, 0.76);
}

.step-num{
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #214a4d;
  background: linear-gradient(180deg, rgba(47, 111, 115, 0.18), rgba(47, 111, 115, 0.06));
  border: 1px solid rgba(47, 111, 115, 0.25);
  margin: 0;
}

.step-text{
  margin: 0;
  color: var(--ink);
}

/* Spectrum */
.spectrum{
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid rgba(31, 36, 48, 0.10);
  background: rgba(255, 255, 255, 0.75);
  display: grid;
  gap: var(--space-3);
}

.spectrum-labels{
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--muted);
  font-size: 0.95rem;
}

.spectrum-svg{
  width: 100%;
  height: auto;
}

.spec-bar{
  fill: url(#);
}

/* Compare cards */
.compare{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.compare-card{
  border-radius: var(--radius);
  padding: var(--space-4);
  border: 1px solid rgba(31, 36, 48, 0.10);
  background: rgba(255, 255, 255, 0.75);
  display: grid;
  gap: var(--space-2);
}

/* Closing */
.closing .closing-line{
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid rgba(106, 107, 177, 0.24);
  background: linear-gradient(90deg, rgba(106, 107, 177, 0.14), rgba(47, 111, 115, 0.10));
}

.final-steps{
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid rgba(193, 139, 58, 0.24);
  background: linear-gradient(180deg, rgba(193, 139, 58, 0.10), rgba(193, 139, 58, 0.04));
  display: grid;
  gap: var(--space-3);
}

.credits{
  padding: var(--space-4) var(--space-5) var(--space-5);
  border-top: 1px solid rgba(31, 36, 48, 0.08);
}

/* Inline SVG styling */
.svg-stroke{
  stroke: rgba(31, 36, 48, 0.72);
}

.svg-layer{
  stroke: rgba(31, 36, 48, 0.12);
  stroke-width: 2;
}

.layer-1{ fill: rgba(47, 111, 115, 0.14); }
.layer-2{ fill: rgba(193, 139, 58, 0.14); }
.layer-3{ fill: rgba(106, 107, 177, 0.14); }

.svg-label{
  font-family: var(--font);
  font-size: 20px;
  fill: rgba(31, 36, 48, 0.82);
}

.svg-item{
  fill: rgba(184, 92, 92, 0.20);
  stroke: rgba(184, 92, 92, 0.45);
  stroke-width: 2;
}

.svg-box{
  stroke: rgba(31, 36, 48, 0.12);
  stroke-width: 2;
}
.b1{ fill: rgba(193, 139, 58, 0.16); }
.b2{ fill: rgba(47, 111, 115, 0.14); }
.b3{ fill: rgba(106, 107, 177, 0.14); }

.svg-arrow{
  stroke: rgba(31, 36, 48, 0.45);
  fill: rgba(31, 36, 48, 0.45);
}

.spectrum svg .spec-text{
  font-family: var(--font);
  font-size: 18px;
  fill: rgba(31, 36, 48, 0.72);
}

.spectrum svg .spec-dot{
  fill: rgba(47, 111, 115, 0.25);
  stroke: rgba(47, 111, 115, 0.55);
  stroke-width: 3;
}

/* Make the spectrum bar without external defs:
   Use a stroke-like rect overlay via a subtle gradient using CSS on the SVG element */
.spectrum svg .spec-bar{
  fill: rgba(31, 36, 48, 0.06);
  stroke: rgba(31, 36, 48, 0.12);
  stroke-width: 2;
}
.spectrum svg{
  border-radius: 18px;
}

/* Responsive */
@media (max-width: 980px){
  .hero-grid{
    grid-template-columns: 1fr;
  }
  .hero-text{
    padding: var(--space-4);
  }
  .page-hero{
    padding: var(--space-6) 0 var(--space-5);
  }
  .module-grid{
    grid-template-columns: 1fr;
  }
  .triad{
    grid-template-columns: 1fr;
  }
  .split{
    grid-template-columns: 1fr;
  }
  .compare{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px){
  .wrap{
    width: min(var(--wrap), calc(100% - 2 * var(--space-4)));
  }
  .module-head{
    padding: var(--space-4);
  }
  .module-grid{
    padding: var(--space-4);
  }
  .hero-tags{
    margin-top: var(--space-3);
  }
}