/* /assets/style.css
   Experience Points — Premium Multi-Page Theme
   Aurora / forest / obsidian — refined
*/

/* =========================
   TOKENS
   ========================= */

:root{
  --bg0:#06110e;
  --bg1:#0b1a16;

  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.09);
  --stroke: rgba(255,255,255,0.12);
  --stroke2: rgba(255,255,255,0.18);

  --text:#eaf7f0;
  --muted: rgba(234,247,240,0.72);
  --muted2: rgba(234,247,240,0.58);

  --accent:#6af7c5;      /* mint */
  --accent2:#72b6ff;     /* sky */
  --accent3:#b88cff;     /* violet */
  --warn:#ffd36a;

  --shadow: 0 30px 80px rgba(0,0,0,0.55);
  --shadow2: 0 18px 45px rgba(0,0,0,0.45);

  --radius-xl: 26px;
  --radius-lg: 18px;
  --radius-md: 14px;

  /* Wider, premium-feeling layout */
  --max: 1200px;

  /* Desktop side padding */
  --page-pad: 22px;

  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 900px at 15% 10%, rgba(106,247,197,0.14), transparent 60%),
    radial-gradient(900px 700px at 80% 20%, rgba(114,182,255,0.14), transparent 55%),
    radial-gradient(900px 900px at 70% 90%, rgba(184,140,255,0.12), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
button,input,textarea{ font:inherit; color:inherit; }
::selection{ background: rgba(106,247,197,0.25); }

.wrap{
  width: min(var(--max), calc(100% - (var(--page-pad) * 2)));
  margin:0 auto;
}

/* =========================
   BACKGROUND LAYERS
   ========================= */

.bg-wrap{
  position:fixed;
  inset:0;
  z-index:-3;
  pointer-events:none;
  overflow:hidden;
}
canvas.stars{
  width:100%;
  height:100%;
  display:block;
  opacity:0.9;
  filter: saturate(1.15);
}
.glow-film{
  position:absolute;
  inset:-40%;
  background:
    radial-gradient(closest-side at 20% 25%, rgba(106,247,197,0.18), transparent 55%),
    radial-gradient(closest-side at 78% 30%, rgba(114,182,255,0.16), transparent 55%),
    radial-gradient(closest-side at 60% 80%, rgba(184,140,255,0.14), transparent 60%);
  animation: drift 22s ease-in-out infinite alternate;
  filter: blur(18px);
  opacity:0.85;
  transform: translate3d(0,0,0);
}
@keyframes drift{
  0%{ transform: translate3d(-3%, -2%, 0) scale(1.05); }
  100%{ transform: translate3d(3%, 2%, 0) scale(1.12); }
}

/* =========================
   HEADER / NAV
   ========================= */

header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(6,17,14,0.75), rgba(6,17,14,0.45));
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 220px;
}
.logo{
  width:38px; height:38px;
  border-radius: 14px;
  background:
    radial-gradient(12px 12px at 25% 25%, rgba(255,255,255,0.35), transparent 55%),
    conic-gradient(from 220deg, rgba(106,247,197,0.95), rgba(114,182,255,0.85), rgba(184,140,255,0.85), rgba(106,247,197,0.95));
  box-shadow: 0 14px 30px rgba(0,0,0,0.35), inset 0 0 0 1px rgba(255,255,255,0.22);
  position:relative;
  overflow:hidden;
}
.logo::after{
  content:"";
  position:absolute;
  inset:-30%;
  background: radial-gradient(closest-side, rgba(255,255,255,0.22), transparent 65%);
  transform: rotate(18deg);
  opacity:0.8;
  filter: blur(1px);
}
.brand .name{
  display:flex;
  flex-direction:column;
  line-height:1.05;
}
.brand .name strong{
  letter-spacing: -0.02em;
  font-size: 14.5px;
}
.brand .name span{
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.navlinks{
  display:flex;
  align-items:center;
  gap: 8px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.navlinks a{
  font-size: 13px;
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
  transition: background 220ms ease, color 220ms ease, transform 220ms ease, border-color 220ms ease;
  border: 1px solid transparent;
}
.navlinks a:hover{
  background: rgba(255,255,255,0.07);
  color: var(--text);
  transform: translateY(-1px);
}
.navlinks a.active{
  background: rgba(255,255,255,0.08);
  border-color: rgba(106,247,197,0.25);
  color: rgba(255,255,255,0.92);
}

.nav-right{
  display:flex;
  align-items:center;
  gap:10px;
}

/* Mobile menu */
.menu-btn{
  display:none;
  width:44px;
  height:44px;
  border-radius: 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  cursor:pointer;
  box-shadow: var(--shadow2);
}
.menu-btn:focus-visible{ outline: 2px solid rgba(106,247,197,0.65); outline-offset: 3px; }
.menu-icon{
  width:18px;
  height:12px;
  margin:0 auto;
  position:relative;
}
.menu-icon::before,
.menu-icon::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  border-radius: 999px;
  background: rgba(234,247,240,0.86);
}
.menu-icon::before{ top:0; }
.menu-icon::after{ bottom:0; }

/* KEY FIX: your HTML uses hidden="" so CSS must respect it */
.mobile-nav{
  display:none;
  padding: 0 0 16px;
}
.mobile-nav[hidden]{ display:none !important; }
.mobile-nav:not([hidden]){ display:block; }

.mobile-nav .panelbox{
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow2);
  padding: 10px;
}
.mobile-nav a{
  display:block;
  padding: 12px 12px;
  border-radius: 14px;
  color: var(--muted);
  border: 1px solid transparent;
}
.mobile-nav a:hover{
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.92);
}

/* =========================
   PILLS + BUTTONS
   ========================= */

.pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow2);
  font-size: 12.5px;
  color: var(--muted);
  white-space:nowrap;
}
.pill .dot{
  width:8px; height:8px; border-radius:999px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.6), transparent 55%),
              linear-gradient(90deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px rgba(106,247,197,0.12);
}

.btn{
  appearance:none;
  border:1px solid transparent;
  border-radius: 16px;
  padding: 12px 16px;
  cursor:pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease, filter 180ms ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  user-select:none;
  letter-spacing: -0.01em;
  text-decoration:none;
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.btn:focus-visible{ outline: 2px solid rgba(106,247,197,0.65); outline-offset: 3px; }

.btn.primary{
  background: linear-gradient(135deg, rgba(106,247,197,0.95), rgba(114,182,255,0.88), rgba(184,140,255,0.78));
  color: rgba(6,17,14,0.96);
  border-color: rgba(255,255,255,0.10);
  box-shadow: 0 18px 45px rgba(0,0,0,0.45);
}
.btn.primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 22px 55px rgba(0,0,0,0.52);
  filter: saturate(1.05);
}
.btn.ghost{
  background: rgba(0,0,0,0.14);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text);
}
.btn.ghost:hover{
  transform: translateY(-1px);
  background: rgba(0,0,0,0.18);
  border-color: rgba(255,255,255,0.20);
}

.btn:disabled,
.btn[disabled]{
  opacity: .55;
  cursor: not-allowed;
  filter: none;
}

/* Hard stop for “white-out” inside buttons (icons/text) */
.btn, .btn *{
  color: inherit !important;
  fill: currentColor !important;
  stroke: currentColor !important;
}

.icon{
  width:18px; height:18px; display:inline-block;
  opacity:0.95;
  transform: translateY(0.5px);
}

/* =========================
   PAGE / HERO
   ========================= */

main{ position:relative; }

.hero{
  padding: 64px 0 28px;
}
.hero.compact{
  padding: 54px 0 18px;
}

/* Wider, more premium grid: content + TOC */
.hero-grid{
  display:grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 22px;
  align-items:stretch;
}

.hero-card{
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.hero-card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(800px 380px at 12% 20%, rgba(106,247,197,0.18), transparent 60%),
    radial-gradient(700px 420px at 88% 30%, rgba(114,182,255,0.16), transparent 60%),
    radial-gradient(900px 520px at 60% 95%, rgba(184,140,255,0.14), transparent 62%);
  opacity:0.9;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  padding: 28px 28px 26px;
}

h1{
  margin: 14px 0 10px;
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}
.subhead{
  font-size: clamp(15px, 1.35vw, 18px);
  color: var(--muted);
  line-height: 1.55;
  margin: 0 0 18px;
  max-width: 70ch;
}

.hero-ctas{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
  margin-top: 14px;
}

/* Ensure hero CTAs never invert to white */
.hero-ctas .btn{
  background: rgba(0,0,0,0.14);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text);
}
.hero-ctas .btn.primary{
  background: linear-gradient(135deg, rgba(106,247,197,0.95), rgba(114,182,255,0.88), rgba(184,140,255,0.78));
  color: rgba(6,17,14,0.96);
  border-color: rgba(255,255,255,0.10);
}

.microproof{
  margin-top: 16px;
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
  align-items:center;
  color: var(--muted2);
  font-size: 12.5px;
}
.microproof .badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
}
.microproof .badge b{
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.microproof .badge em{
  font-style:normal;
  color: var(--muted2);
}

/* Right hero panel */
.panel{
  padding: 22px;
  display:flex;
  flex-direction:column;
  gap: 14px;
  position:relative;
}
.panel .panel-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
}
.panel h3{
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.02em;
}
.panel p{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.xp-meter{
  margin-top: 8px;
  border-radius: 18px;
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 16px;
  overflow:hidden;
  position:relative;
}
.xp-meter .row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  font-size: 12px;
  color: var(--muted);
}
.xp-bar{
  margin-top: 10px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  overflow:hidden;
  position:relative;
}
.xp-bar > span{
  display:block;
  height:100%;
  width: 64%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  box-shadow: 0 10px 25px rgba(106,247,197,0.18);
  position:relative;
}
.xp-bar > span::after{
  content:"";
  position:absolute;
  inset:-50% -20%;
  background: radial-gradient(closest-side, rgba(255,255,255,0.25), transparent 65%);
  transform: translateX(-30%);
  animation: shimmer 3.2s ease-in-out infinite;
  opacity:0.65;
}
@keyframes shimmer{
  0%{ transform: translateX(-45%); }
  50%{ transform: translateX(25%); }
  100%{ transform: translateX(55%); }
}

.panel-cards{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 4px;
}
.mini{
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 14px;
}
.mini .title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.mini .title span{
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.mini .title b{
  font-size: 13px;
  letter-spacing:-0.01em;
}
.mini ul{
  margin: 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.mini li{ margin: 6px 0; }

/* =========================
   SECTIONS / TYPOGRAPHY
   ========================= */

section{ padding: 64px 0; }

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.kicker{
  font-size: 12px;
  color: var(--muted2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
h2{
  margin: 0;
  font-size: clamp(24px, 2.6vw, 36px);
  letter-spacing: -0.04em;
  line-height: 1.12;
}
.lead{
  margin: 0;
  color: var(--muted);
  max-width: 75ch;
  line-height: 1.6;
  font-size: 14.5px;
}

/* Content blocks */
.grid3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.card{
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow2);
  padding: 18px;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(500px 250px at 10% 20%, rgba(106,247,197,0.10), transparent 60%),
              radial-gradient(420px 240px at 90% 15%, rgba(114,182,255,0.10), transparent 60%);
  opacity:0.8;
  pointer-events:none;
}
.card > *{ position:relative; }
.card h4{
  margin: 12px 0 8px;
  font-size: 16px;
  letter-spacing: -0.02em;
}
.card p{
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}
.card ul{
  margin: 10px 0 0;
  padding-left: 16px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}
.card li{ margin: 8px 0; }

.chiprow{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top: 14px;
}
.chip{
  font-size: 12px;
  color: var(--muted);
  border:1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  padding: 8px 10px;
  border-radius: 999px;
}

/* Steps */
.steps{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.step{
  display:flex;
  gap: 14px;
  align-items:flex-start;
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.12);
  padding: 18px;
  box-shadow: var(--shadow2);
  position:relative;
  overflow:hidden;
}
.step::before{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(420px 220px at 10% 10%, rgba(184,140,255,0.11), transparent 60%);
  opacity:0.65;
  pointer-events:none;
}
.step > *{ position:relative; }
.num{
  width: 34px; height: 34px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(6,17,14,0.95);
  background: linear-gradient(135deg, rgba(106,247,197,0.95), rgba(114,182,255,0.90));
  box-shadow: 0 16px 35px rgba(0,0,0,0.35);
  flex: 0 0 auto;
  margin-top: 2px;
}
.step h4{ margin: 0 0 6px; font-size: 15px; letter-spacing:-0.02em; }
.step p{ margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.6; }

/* CTA band */
.cta-band{
  border-radius: calc(var(--radius-xl) + 6px);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    radial-gradient(900px 420px at 10% 30%, rgba(106,247,197,0.18), transparent 60%),
    radial-gradient(800px 420px at 80% 20%, rgba(114,182,255,0.18), transparent 60%),
    radial-gradient(900px 520px at 60% 95%, rgba(184,140,255,0.14), transparent 62%);
  opacity:0.9;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  padding: 26px;
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  align-items:center;
}
.cta-inner h3{
  margin:0;
  font-size: 22px;
  letter-spacing:-0.03em;
}
.cta-inner p{
  margin: 10px 0 0;
  color: var(--muted);
  line-height:1.6;
  font-size: 13.5px;
}

form{
  display:flex;
  flex-direction:column;
  gap: 10px;
  align-items:stretch;
  justify-content:center;
}
.field{
  display:flex;
  gap: 10px;
  flex-wrap:wrap;
}
.input{
  flex: 1 1 220px;
  min-width: 0;
  border-radius: 16px;
  background: rgba(0,0,0,0.20);
  border:1px solid rgba(255,255,255,0.14);
  padding: 12px 12px;
  outline:none;
  transition: border-color 180ms ease, background 180ms ease;
}
.input::placeholder{ color: rgba(234,247,240,0.45); }
.input:focus{
  border-color: rgba(106,247,197,0.55);
  background: rgba(0,0,0,0.26);
}
.fineprint{
  color: var(--muted2);
  font-size: 12px;
  line-height: 1.5;
}
.fineprint a{ text-decoration: underline; text-underline-offset: 3px; }

/* =========================
   FOOTER
   ========================= */

footer{
  padding: 34px 0 44px;
  color: var(--muted2);
  font-size: 12.5px;
}
.foot{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 18px;
  flex-wrap:wrap;
  border-top: 1px solid rgba(255,255,255,0.10);
  padding-top: 18px;
}
.foot .col{ max-width: 72ch; }
.foot .links{
  display:flex;
  gap: 12px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.foot .links a{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}
.foot .links a:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.16);
}

/* =========================
   MAP EXPANDED — LESSON UX (Accordion + Track)
   ========================= */

.lesson{
  --card-bg: rgba(255,255,255,.03);
  --card-brd: rgba(255,255,255,.10);
  --soft: rgba(255,255,255,.06);
  --soft2: rgba(255,255,255,.08);

  border-radius: 18px;
  overflow: hidden;
  margin: 14px 0;
}

/* Lesson head (clickable bar) */
.lesson-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  padding: 14px 14px;
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
}

/* Toggle button inside lesson-head (JS moves H2 into it) */
.lesson-toggle{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  background: transparent;
  border: 0;
  padding: 0;
  text-align:left;
  cursor:pointer;
  color: rgba(255,255,255,.92);
}

/* Titles never white-out */
.lesson-toggle h2,
.lesson-head h2{
  color: rgba(255,255,255,.96);
  margin: 0;
  line-height: 1.15;
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -0.02em;
}

/* Tag badge */
.lesson-tag,
.lesson-badge{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.90);
  white-space:nowrap;
}
.lesson-badge .dot{
  width: 8px; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,.35);
}
.lesson.is-complete .lesson-badge .dot{
  background: var(--accent2);
}

/* Chevron */
.lesson-head .chev{
  width: 34px;
  height: 34px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius: 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  color: rgba(255,255,255,.82);
}
.lesson.is-open .chev svg{
  transform: rotate(180deg);
}
.lesson-head .chev svg{
  width: 18px; height: 18px;
  transition: transform 220ms ease;
}

/* Body wrapper (JS creates .lesson-body and animates max-height) */
.lesson-body{
  overflow:hidden;
  max-height: 0px;
  transition: max-height 320ms ease;
  padding: 0 14px;
}

/* The actual reading area inside (your paragraphs/lists/etc) */
.lesson.is-open .lesson-body{
  padding-bottom: 14px;
}

/* Normalize spacing inside the body so “margins” aren’t awful */
.lesson .lesson-body > *{
  max-width: 82ch;
}
.lesson .lesson-body p,
.lesson .lesson-body ul,
.lesson .lesson-body ol,
.lesson .lesson-body blockquote,
.lesson .lesson-body hr,
.lesson .lesson-body h3{
  margin: 0 0 12px 0;
}
.lesson .lesson-body h3{
  margin-top: 10px;
  margin-bottom: 10px;
  color: var(--muted);
  font-weight: 800;
}
.lesson .lesson-body ul,
.lesson .lesson-body ol{
  padding-left: 20px;
}
.lesson .lesson-body hr{
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.14), transparent);
  margin: 16px 0;
}

/* ===== Lesson Track wrapper (progress + cards + controls) ===== */
.lesson-track{
  margin-top: 12px;
  border-radius: 18px;
  border: 1px solid var(--card-brd);
  background:
    radial-gradient(1200px 700px at 20% -20%, rgba(255,255,255,.06), transparent 55%),
    radial-gradient(900px 500px at 120% 0%, rgba(255,255,255,.05), transparent 55%),
    rgba(0,0,0,.14);
  overflow:hidden; /* kills “white blocks” bleed */
  backdrop-filter: blur(10px);
}

/* Progress */
.lesson-progress{
  padding: 14px 14px 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.14);
}
.lesson-progress-meta{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 10px;
  font-size: 12px;
  color: rgba(255,255,255,.86);
  margin-bottom: 10px;
}
.lesson-progress-bar{
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  overflow:hidden;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
  position:relative;
}
.lesson-progress-fill{
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--accent2);
  transition: width 260ms ease;
}

/* Subtle shimmer (only when open) */
.lesson-progress-bar::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.10), transparent);
  transform: translateX(-120%);
  opacity: 0;
  pointer-events:none;
}
.lesson.is-open .lesson-progress-bar::after{
  opacity: 1;
  animation: shimmer 2.2s ease-in-out infinite;
}

/* Cards */
.lesson-cards{
  padding: 16px 14px 12px 14px;
}
.lesson-card{
  display:none;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(255,255,255,.03);
  padding: 16px 16px;
  box-shadow: 0 8px 26px rgba(0,0,0,.22);
}
.lesson-card.is-active{
  display:block;
  animation: cardIn 220ms ease both;
}
.lesson-card blockquote{
  margin: 14px 0;
  padding: 12px 14px;
  border-left: 2px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.04);
  border-radius: 12px;
}

/* Controls (Next/Back) — never white */
.lesson-controls{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 10px;
  padding: 12px 14px 14px 14px;
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.12);
}
.lesson-controls .btn{
  min-width: 110px;
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.14);
  color: var(--text);
}
.lesson-controls .btn.primary{
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.16);
  color: rgba(255,255,255,.94);
}
.lesson-controls .btn:hover{
  transform: translateY(-1px);
  background: rgba(0,0,0,.22);
  border-color: rgba(255,255,255,.20);
}
.lesson-controls .btn:active{ transform: translateY(1px); }
.lesson-controls .btn:disabled,
.lesson-controls .btn[disabled]{
  opacity: .55;
  cursor: not-allowed;
  background: rgba(0,0,0,.14);
  border-color: rgba(255,255,255,.10);
}

/* Lesson Index / Desktop TOC completion hint */
#lessonIndexGrid a.is-complete,
#desktopTocList a.is-complete{
  opacity: 1;
}
#lessonIndexGrid a.is-complete .swatch,
#desktopTocList a.is-complete .swatch{
  box-shadow: 0 0 0 2px rgba(255,255,255,.10), 0 0 0 6px rgba(0,0,0,.18);
}

/* Animations */
@keyframes cardIn{
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =========================
   RESPONSIVE
   ========================= */

@media (prefers-reduced-motion: reduce){
  .glow-film{ animation:none !important; }
  .xp-bar > span::after{ animation:none !important; }
  .btn, .navlinks a, .foot .links a{ transition:none !important; }
  .lesson-body{ transition:none !important; }
  .lesson-progress-bar::after{ animation:none !important; }
}

/* Your original breakpoint */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid3{ grid-template-columns: 1fr; }
  .grid2{ grid-template-columns: 1fr; }
  .steps{ grid-template-columns: 1fr; }
  .cta-inner{ grid-template-columns: 1fr; }

  .navlinks{ display:none; }
  .menu-btn{ display:inline-flex; }
  .brand{ min-width:auto; }

  .map-toc{ display:none; }

  .wrap{
    width: min(var(--max), calc(100% - 32px));
  }
}

/* Mobile polish */
@media (max-width: 640px){
  :root{ --page-pad: 16px; }

  section{ padding: 52px 0; }
  .hero{ padding: 44px 0 16px; }
  .hero.compact{ padding: 40px 0 12px; }

  .hero-inner{ padding: 18px 16px 16px; }
  .panel{ padding: 16px; }
  .cta-inner{ padding: 18px; }
  .card{ padding: 16px; }

  .section-head{
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .lead{ max-width: 100%; }

  .hero-ctas{
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .hero-ctas .btn{ width:100%; }

  .microproof{ gap: 10px; }
  .microproof .badge{
    width: 100%;
    justify-content: space-between;
  }

  .field{
    flex-direction: column;
    gap: 10px;
  }
  .input{
    width: 100%;
    flex: 1 1 auto;
  }

  .nav-right{
    flex-wrap: wrap;
    justify-content: flex-end;
    row-gap: 8px;
  }

  .lesson-head{ padding: 12px 12px; }
  .lesson-body{ padding: 0 12px; }
  .lesson.is-open .lesson-body{ padding-bottom: 12px; }
  .lesson-progress{ padding: 12px 12px 10px 12px; }
  .lesson-cards{ padding: 12px 12px 10px 12px; }
  .lesson-card{ padding: 14px 14px; }
  .lesson-controls{ padding: 10px 12px 12px 12px; }
}

/* Tiny screens: simplify */
@media (max-width: 420px){
  .pill{ display:none; }
  .btn{ padding: 11px 14px; }
  .menu-btn{ width:42px; height:42px; }
}