/* ── Reset & Base ─────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Dark = "deep sea at midnight" (default) */
:root {
  --navy:   #050f1f;
  --deep:   #0a1f35;
  --teal:   #0d7a8a;
  --teal2:  #0ea5ba;
  --ice:    #5be8ff;
  --frost:  #a8f0ff;
  --shell:  #c8a96e;
  --warn:   #ff6b6b;
  --text:   #e6f4f9;
  --muted:  #8eb6c7;
  --bg:     #050f1f;
  --bg-2:   #08182d;
  --surface: rgba(13,122,138,.10);
  --surface-2: rgba(10,31,53,.55);
  --border: rgba(91,232,255,.16);
  --border-2: rgba(91,232,255,.28);
  --glow:   0 0 40px rgba(91,232,255,.18);
  --glow-soft: 0 18px 60px rgba(91,232,255,.10);
  --grid-axis: rgba(91,232,255,.07);
  --tick: #8eb6c7;
  --shadow-deep: 0 30px 80px rgba(0,0,0,.45);
  --hero-glow: rgba(91,232,255,.45);
  --code-bg: rgba(13,122,138,.18);
  --accent: #c8a96e;       /* secondary "shell" highlight */
  --accent-2: #ff9d6b;     /* warm pop */
  --good: #5be8ff;
  --bad:  #f0bf6b;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body:    'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

/* Light = "shoreline at dawn" */
[data-theme="light"] {
  --navy:   #fbf5ec;
  --deep:   #f1e8d8;
  --teal:   #0d7a8a;
  --teal2:  #0a5b69;
  --ice:    #007a99;
  --frost:  #155b6b;
  --shell:  #b5824a;
  --warn:   #d04a3a;
  --text:   #122735;
  --muted:  #4a6b78;
  --bg:     #fbf5ec;
  --bg-2:   #f3ead9;
  --surface: rgba(13,122,138,.08);
  --surface-2: rgba(255,255,255,.78);
  --border: rgba(13,122,138,.22);
  --border-2: rgba(13,122,138,.42);
  --glow:   0 0 30px rgba(13,122,138,.18);
  --glow-soft: 0 18px 50px rgba(180,140,90,.18);
  --grid-axis: rgba(13,122,138,.10);
  --tick: #4a6b78;
  --shadow-deep: 0 24px 60px rgba(50,30,10,.10);
  --hero-glow: rgba(13,122,138,.30);
  --code-bg: rgba(13,122,138,.10);
  --accent: #b5824a;
  --accent-2: #e07a5f;
  --good: #0a5b69;
  --bad:  #b5824a;
}

html { scroll-behavior: smooth; background: var(--bg); }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color .35s ease, color .35s ease;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--teal); border-radius: 3px; }

::selection { background: var(--ice); color: var(--bg); }

/* Mono helpers — use a robust mono stack so unicode math glyphs don't
   width-drift when the primary font lacks a glyph */
.mono, code, .formula, .eq {
  font-family: var(--font-mono);
  font-variant-ligatures: none;
  font-feature-settings: 'tnum' 1, 'zero' 1;
  letter-spacing: 0;
}
code {
  background: var(--code-bg);
  padding: .08em .42em;
  border-radius: 5px;
  font-size: .88em;
  white-space: nowrap;
  vertical-align: baseline;
  line-height: 1.4;
}

/* ── Nav ──────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: .75rem 2rem;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background-color .35s ease, border-color .35s ease;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  color: var(--ice);
  letter-spacing: -.01em;
}
.nav-logo span { color: var(--shell); font-style: italic; }
nav ul { list-style: none; display: flex; gap: 1.6rem; align-items: center; }
nav a {
  color: var(--muted); text-decoration: none;
  font-size: .76rem;
  letter-spacing: .12em; text-transform: uppercase;
  font-weight: 600;
  transition: color .2s;
}
nav a:hover { color: var(--ice); }

/* Theme toggle */
.theme-toggle {
  width: 36px; height: 36px; border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .25s ease;
  position: relative;
}
.theme-toggle:hover { border-color: var(--ice); color: var(--ice); transform: rotate(15deg); }
.theme-toggle:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; }
.theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

@media(max-width:760px){
  nav ul li:not(.nav-action) { display: none; }
  nav { padding: .65rem 1.1rem; }
}

/* ── Hero ─────────────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 6rem 2rem 4rem;
  position: relative; overflow: hidden;
}
.waves-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse at 50% 80%, color-mix(in srgb, var(--teal) 35%, transparent) 0%, transparent 70%),
    radial-gradient(ellipse at 12% 20%, color-mix(in srgb, var(--ice) 12%, transparent) 0%, transparent 50%),
    radial-gradient(ellipse at 88% 18%, color-mix(in srgb, var(--shell) 14%, transparent) 0%, transparent 55%);
  transition: background .35s ease;
}
.wave {
  position: absolute; bottom: 0; left: 0; width: 200%; height: 170px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 170'%3E%3Cpath fill='%230d7a8a' fill-opacity='0.18' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
  animation: wave 8s linear infinite;
  z-index: 0;
}
.wave:nth-child(2) {
  opacity: .55; bottom: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 170'%3E%3Cpath fill='%235be8ff' fill-opacity='0.10' d='M0,64L48,80C96,96,192,128,288,128C384,128,480,96,576,80C672,64,768,64,864,80C960,96,1056,128,1152,128C1248,128,1344,96,1392,80L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
  animation: wave 12s linear infinite reverse;
}
@keyframes wave { from{transform:translateX(0)} to{transform:translateX(-50%)} }

.lapras-hero {
  position: relative; z-index: 1;
  width: 220px; height: 220px;
  margin-bottom: 1.6rem;
  filter: drop-shadow(0 0 38px var(--hero-glow));
  animation: float 5s ease-in-out infinite;
  object-fit: contain;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }

.pokeball {
  position: absolute; opacity: .07; border-radius: 50%;
  border: 3px solid var(--ice);
  animation: spin 30s linear infinite;
  pointer-events: none;
}
.pokeball::before {
  content:''; position:absolute; left:0; right:0; top:50%; height:3px;
  background:var(--ice); transform:translateY(-50%);
}
.pokeball::after {
  content:''; position:absolute; left:50%; top:50%;
  width:20%; height:20%; border-radius:50%;
  background:var(--ice); transform:translate(-50%,-50%);
}
.pb1 { width:200px; height:200px; top:9%; right:5%; }
.pb2 { width:120px; height:120px; bottom:18%; left:4%; animation-duration:42s; animation-direction:reverse; }
[data-theme="light"] .pokeball { opacity: .12; }
@keyframes spin { to{transform:rotate(360deg)} }

.hero-badge {
  display:inline-flex; align-items:center; gap:.55rem;
  position:relative; z-index:1;
  background: color-mix(in srgb, var(--ice) 10%, transparent);
  border:1px solid var(--border-2);
  color:var(--ice);
  font-family: var(--font-mono);
  font-size:.72rem; letter-spacing:.18em;
  text-transform:uppercase; padding:.34rem 1rem; border-radius:99px;
  margin-bottom:1rem;
  font-weight: 500;
}
.hero-badge::before {
  content:''; width:6px; height:6px; border-radius:50%;
  background:var(--ice);
  box-shadow:0 0 12px var(--ice);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.55;transform:scale(.7)} }

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 500;
  font-variation-settings: 'opsz' 144, 'SOFT' 30;
  line-height: 1.02;
  color: var(--text);
  letter-spacing: -.025em;
  position: relative; z-index: 1;
  text-shadow: 0 0 60px color-mix(in srgb, var(--ice) 25%, transparent);
  max-width: 920px;
}
h1 em {
  color: var(--ice);
  font-style: italic;
  font-variation-settings: 'opsz' 144, 'SOFT' 100;
  font-weight: 400;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--shell);
  position: relative; z-index: 1;
  margin-bottom: .6rem;
  font-weight: 500;
}
.hero-authors {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .35rem 1.1rem;
  font-family: var(--font-body);
  font-size: clamp(.92rem, 1.5vw, 1.02rem);
  color: var(--text);
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-authors li {
  position: relative;
  padding-right: 1.1rem;
}
.hero-authors li:not(:last-child)::after {
  content: "·";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translate(50%, -55%);
  color: var(--shell);
  opacity: .7;
}
.hero-authors li:last-child { padding-right: 0; }
.hero-authors a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in srgb, var(--ice) 45%, transparent);
  padding-bottom: 1px;
  transition: color .2s, border-color .2s;
}
.hero-authors a:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}
.hero-sub {
  margin-top:1.3rem; font-size:clamp(.95rem,1.7vw,1.12rem);
  color:var(--muted); max-width:620px; position:relative; z-index:1; line-height:1.7;
  font-weight: 400;
}
.hero-meta {
  margin-top:1.4rem; font-size:.72rem; color:var(--muted);
  position:relative; z-index:1; letter-spacing:.06em;
  font-family: var(--font-mono);
}
.hero-ctas {
  margin-top:2rem; display:flex; gap:1rem; flex-wrap:wrap;
  justify-content:center; position:relative; z-index:1;
}
.btn {
  padding:.7rem 1.5rem; border-radius:99px; font-size:.83rem; font-weight:600;
  cursor:pointer; text-decoration:none; display:inline-flex; align-items:center;
  gap:.5rem; transition:all .25s cubic-bezier(.4,0,.2,1);
  font-family: var(--font-body);
}
.btn-primary { background:var(--teal); color:#fff; border:1px solid transparent; }
.btn-primary:hover { background:var(--teal2); box-shadow:var(--glow); transform: translateY(-1px); }
.btn-outline { background:transparent; color:var(--ice); border:1px solid var(--border-2); }
.btn-outline:hover { border-color:var(--ice); background:color-mix(in srgb, var(--ice) 8%, transparent); transform: translateY(-1px); }

/* ── Section ──────────────────────────────────── */
section { padding: 6rem 2rem; max-width: 1180px; margin: 0 auto; }
.section-label {
  font-family: var(--font-mono);
  font-size:.72rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--accent); font-weight:500; margin-bottom:.7rem;
  display: inline-flex; align-items: center; gap: .5rem;
}
.section-label::before {
  content: ''; width: 24px; height: 1px; background: var(--accent);
}
h2 {
  font-family: var(--font-display);
  font-size:clamp(1.7rem,3.5vw,2.7rem);
  font-weight:500;
  font-variation-settings: 'opsz' 96, 'SOFT' 30;
  color:var(--text); line-height:1.12;
  margin-bottom:1rem;
  letter-spacing: -.02em;
}
h2 em { color:var(--ice); font-style:italic;
  font-variation-settings: 'opsz' 96, 'SOFT' 100;
}
.lead { color:var(--muted); font-size:1.02rem; line-height:1.75; max-width:680px; }
.lead strong { color: var(--text); font-weight: 600; }
.divider { border:none; height:1px;
  background:linear-gradient(90deg,transparent,var(--border-2),transparent); margin:0; }

/* ── Cards ────────────────────────────────────── */
.card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:1.6rem;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top right, color-mix(in srgb, var(--ice) 6%, transparent), transparent 60%);
  opacity: 0; transition: opacity .25s ease;
  pointer-events: none;
}
.card:hover { border-color:var(--border-2); box-shadow:var(--glow-soft); transform: translateY(-2px); }
.card:hover::before { opacity: 1; }
.card-grid { display:grid; gap:1.2rem; }
.card-grid-2 { grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); }
.card-grid-3 { grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); }
.card-icon { font-size:1.7rem; margin-bottom:.8rem; display: inline-block; }
.card h3 {
  font-family: var(--font-display);
  font-size:1.12rem;
  font-weight: 500;
  font-variation-settings: 'opsz' 60, 'SOFT' 30;
  color:var(--text);
  margin-bottom:.5rem;
  letter-spacing: -.005em;
}
.card p { font-size:.9rem; color:var(--muted); line-height:1.65; }

/* ── Badges ───────────────────────────────────── */
.badges { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1.8rem; }
.badge {
  padding:.32rem .9rem; border-radius:99px; font-size:.74rem;
  font-weight:600; border:1px solid transparent; letter-spacing:.04em;
  font-family: var(--font-body);
}
.badge-ice   { background:color-mix(in srgb, var(--ice) 11%, transparent); color:var(--ice);   border-color:color-mix(in srgb, var(--ice) 22%, transparent); }
.badge-shell { background:color-mix(in srgb, var(--shell) 13%, transparent); color:var(--shell); border-color:color-mix(in srgb, var(--shell) 28%, transparent); }
.badge-warn  { background:color-mix(in srgb, var(--warn) 13%, transparent); color:var(--warn);  border-color:color-mix(in srgb, var(--warn) 28%, transparent); }
.badge-teal  { background:color-mix(in srgb, var(--teal) 24%, transparent);  color:var(--ice);  border-color:color-mix(in srgb, var(--teal) 40%, transparent); }

/* ── Core Idea ────────────────────────────────── */
.idea-cols {
  display:grid; grid-template-columns:1fr auto 1fr;
  align-items:stretch; gap:1.6rem; margin:2.4rem 0;
}
.idea-box {
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:1.4rem;
  position: relative;
}
.idea-box.before { border-style: dashed; }
.idea-box h4 {
  font-family: var(--font-display);
  font-size:1rem; color:var(--text);
  margin-bottom:.55rem;
  font-weight: 500;
  font-variation-settings: 'opsz' 60, 'SOFT' 50;
}
.idea-box p  { font-size:.88rem; color:var(--muted); line-height:1.6; }
.arrow-mid {
  font-size: 1.6rem; color:var(--teal); align-self: center;
  font-family: var(--font-display);
}
@media(max-width:680px){
  .idea-cols { grid-template-columns:1fr; }
  .arrow-mid { transform:rotate(90deg); }
}

/* ── Framework ────────────────────────────────── */
#framework { max-width: 1180px; }
.fw-stage {
  position:relative; background:var(--surface); border:1px solid var(--border);
  border-radius:20px; padding:2rem; overflow:hidden; min-height:520px;
  box-shadow: var(--shadow-deep);
}
.fw-steps {
  display:flex; gap:.5rem; margin-bottom:1.6rem; flex-wrap:wrap;
}
.fw-btn {
  padding:.45rem 1rem; border-radius:99px;
  font-size:.78rem; font-weight:600;
  font-family: var(--font-body);
  cursor:pointer; border:1px solid var(--border); color:var(--muted);
  background:transparent; transition:all .2s; white-space:nowrap;
  letter-spacing: .02em;
}
.fw-btn:hover { color: var(--text); border-color: var(--border-2); }
.fw-btn.active {
  background: var(--teal); color:#fff; border-color: var(--teal);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--teal) 18%, transparent);
}
.fw-btn .step-num {
  font-family: var(--font-mono);
  opacity: .7;
  margin-right: .35rem;
}

.fw-panel {
  display:none; animation:fadeIn .4s ease;
}
.fw-panel.active { display:block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }

/* diagram rows */
.diag { display:flex; align-items:center; gap:1.1rem; flex-wrap:wrap; margin:1rem 0; }
.diag-box {
  background: color-mix(in srgb, var(--teal) 22%, transparent);
  border:1px solid color-mix(in srgb, var(--ice) 28%, transparent);
  border-radius:12px; padding:.75rem 1.15rem;
  font-size:.85rem; color:var(--text);
  text-align:center; min-width:100px;
  font-family: var(--font-body);
}
.diag-box em { font-family: var(--font-display); font-style: italic; color: var(--ice); }
.diag-box.good { border-color:color-mix(in srgb, var(--ice) 50%, transparent); color:var(--ice); }
.diag-box.bad  { border-color:color-mix(in srgb, var(--shell) 50%, transparent); color:var(--shell); }
.diag-box.mm   { background: color-mix(in srgb, var(--teal) 38%, transparent); border-color:var(--teal); color:var(--ice); }
.diag-arr {
  color:var(--teal); font-size:1.4rem; flex-shrink:0;
  font-family: var(--font-display);
}
.diag-lbl { font-size:.76rem; color:var(--muted); margin-top:.35rem; font-family: var(--font-mono); letter-spacing: .02em; }

.fw-desc { font-size:.92rem; color:var(--muted); line-height:1.7; max-width:680px; margin-top:1rem; }
.fw-desc strong { color:var(--text); }
.fw-desc em { font-style: italic; color: var(--ice); font-family: var(--font-display); }

/* ── Budget compare (FIXED ALIGNMENT via shared CSS grid) ── */
.budget-compare {
  display:grid; grid-template-columns:1fr 1fr; gap:1.3rem; margin:1.2rem 0;
}
.bcomp-box {
  background: var(--surface-2);
  border:1px solid var(--border);
  border-radius:14px; padding:1.3rem;
}
.bcomp-box h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom:1rem;
  display: flex; align-items: center; gap: .55rem;
  font-variation-settings: 'opsz' 60, 'SOFT' 60;
}
.bcomp-box h4 .glyph { font-size: 1.2rem; }

/* The fix: a 4-column grid with FIXED proportions per strategy,
   shared between Static and Smooth so columns line up. */
.budget-row {
  display: grid;
  /* Default = equal: 4 equal columns */
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: .35rem;
  height: 44px;
  margin-bottom: .55rem;
  transition: grid-template-columns .55s cubic-bezier(.4,0,.2,1);
  position: relative;
}
.budget-row[data-strat="matrix_heavy"] { grid-template-columns: 3fr 1fr 1fr 1fr; }
.budget-row[data-strat="query_heavy"]  { grid-template-columns: 1fr 2fr 2fr 1fr; }
.budget-row[data-strat="reserve_heavy"]{ grid-template-columns: 1fr 1fr 1fr 3fr; }

.bbar {
  display:flex; align-items:center; justify-content:center;
  font-size:.7rem; font-weight:700;
  color: var(--bg);
  border-radius: 7px;
  min-width:0; overflow:hidden;
  white-space:nowrap; padding:0 .25rem;
  font-family: var(--font-mono);
  letter-spacing: -.02em;
  position: relative;
  transition: opacity .25s ease;
}
.bbar-mm    { background:var(--teal); color: #fff; }
.bbar-initb { background:var(--ice); }
.bbar-bad   { background:var(--shell); }
.bbar-res   { background: color-mix(in srgb, var(--warn) 78%, transparent); color:#fff; }

/* Smooth row: visually merge bars 2-4 into one pool */
.budget-row.smooth .pool-wrap {
  grid-column: 2 / 5;
  display: grid;
  grid-template-columns: subgrid;
  gap: .35rem;
  position: relative;
  border: 2px dashed color-mix(in srgb, var(--ice) 50%, transparent);
  border-radius: 9px;
  padding: 3px;
  margin: -3px;
}
/* Fallback for browsers without subgrid: re-render with same proportions */
@supports not (grid-template-columns: subgrid) {
  .budget-row.smooth .pool-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }
  .budget-row[data-strat="matrix_heavy"].smooth .pool-wrap { grid-template-columns: 1fr 1fr 1fr; }
  .budget-row[data-strat="query_heavy"].smooth .pool-wrap  { grid-template-columns: 2fr 2fr 1fr; }
}
.pool-label {
  position:absolute; top:-11px; left:14px;
  background: var(--bg);
  padding: 0 .5rem;
  font-size:.66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color:var(--ice);
  font-weight:600;
  font-family: var(--font-mono);
  white-space:nowrap;
  z-index: 2;
}
.budget-row.smooth .bbar { opacity: .85; }
.budget-row.smooth .bbar-mm { opacity: 1; }

.budget-row .row-label {
  position: absolute;
  left: -90px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
@media (max-width: 920px) {
  .budget-row .row-label { display: none; }
}

.budget-legend { display:flex; flex-wrap:wrap; gap:.85rem; margin-top:1rem; }
.leg { display:flex; align-items:center; gap:.4rem; font-size:.78rem; color:var(--muted); }
.leg-dot { width:10px; height:10px; border-radius:3px; flex-shrink:0; }

.strat-tabs { display:flex; gap:.45rem; margin-bottom:1rem; flex-wrap:wrap; }
.stab {
  padding:.32rem .85rem; border-radius:99px; font-size:.76rem;
  cursor:pointer; border:1px solid var(--border); color:var(--muted);
  background:transparent; transition:all .2s;
  font-family: var(--font-body); font-weight: 500;
}
.stab:hover { color: var(--text); border-color: var(--border-2); }
.stab.active { background:var(--teal); color:#fff; border-color:var(--teal); }

/* ── Stopping-Time Estimator Sandbox ─────────── */
.estim-sandbox {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem;
  margin-top: 1rem;
}
@media (max-width: 880px) {
  .estim-sandbox { grid-template-columns: 1fr; }
}
.estim-controls {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem 1.3rem;
}
.estim-controls h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: .98rem;
  margin-bottom: .8rem;
  font-variation-settings: 'opsz' 60, 'SOFT' 50;
}
.ctrl-block { margin-bottom: .9rem; }
.ctrl-block label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .35rem;
}
.ctrl-block label .val {
  color: var(--ice);
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}
.ctrl-block input[type="range"] {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  height: 24px;
  cursor: pointer;
}
.ctrl-block input[type="range"]::-webkit-slider-runnable-track {
  height: 5px;
  background: linear-gradient(to right, var(--teal), var(--ice));
  border-radius: 99px;
}
.ctrl-block input[type="range"]::-moz-range-track {
  height: 5px;
  background: linear-gradient(to right, var(--teal), var(--ice));
  border-radius: 99px;
  border: none;
}
.ctrl-block input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  background: var(--bg);
  border: 2px solid var(--ice);
  border-radius: 50%;
  margin-top: -7px;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ice) 18%, transparent);
  cursor: grab;
}
.ctrl-block input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  background: var(--bg);
  border: 2px solid var(--ice);
  border-radius: 50%;
  cursor: grab;
}

.estim-buttons { display: flex; gap: .5rem; margin-top: 1rem; flex-wrap: wrap; }
.estim-buttons button {
  padding: .45rem 1.1rem;
  font-size: .78rem;
  font-weight: 600;
  border-radius: 99px;
  cursor: pointer;
  border: 1px solid var(--border-2);
  background: transparent;
  color: var(--text);
  transition: all .2s;
  font-family: var(--font-body);
}
.estim-buttons button:hover { border-color: var(--ice); color: var(--ice); }
.estim-buttons button.run { background: var(--teal); color: #fff; border-color: var(--teal); }
.estim-buttons button.run:hover { background: var(--teal2); }
.estim-buttons button:disabled { opacity: .4; cursor: not-allowed; }

.readout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .55rem 1rem;
  background: var(--code-bg);
  border-radius: 10px;
  padding: .9rem 1.1rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-variant-ligatures: none;
  font-feature-settings: 'tnum' 1, 'zero' 1;
  letter-spacing: 0;
  font-size: .8rem;
  line-height: 1.4;
}
.readout .k {
  color: var(--muted);
  font-size: .7rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.readout .v {
  color: var(--ice);
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.readout .v.locked { color: var(--shell); }
.readout .row { display: contents; }

.estim-display {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem 1.3rem;
}
.tape-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .8rem;
  min-height: 90px;
  display: flex; flex-wrap: wrap; gap: 3px;
  align-content: flex-start;
  position: relative;
  overflow: hidden;
}
.tape-wrap.locked::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--ice) 18%, transparent), transparent 70%);
  pointer-events: none;
  animation: lockFlash .6s ease-out;
}
@keyframes lockFlash { from { opacity: 1; } to { opacity: 0; } }
.tape-cell {
  width: 14px; height: 14px;
  border-radius: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  transition: background .15s, border-color .15s, transform .25s;
}
.tape-cell.good { background: color-mix(in srgb, var(--good) 28%, transparent); border-color: var(--good); }
.tape-cell.bad  { background: color-mix(in srgb, var(--bad)  28%, transparent); border-color: var(--bad);
  animation: badPing .35s ease-out;
}
.tape-cell.warmup-end { box-shadow: 0 0 0 2px var(--shell); transform: scale(1.4); }
@keyframes badPing { 0% { transform: scale(1); } 50% { transform: scale(1.5); } 100% { transform: scale(1); } }

.estim-charts { display: grid; gap: .8rem; margin-top: .8rem; }
.estim-chart-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .7rem .8rem;
}
.estim-chart-wrap .chart-title {
  font-size: .76rem; margin-bottom: .25rem;
  font-family: var(--font-mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.estim-chart-wrap canvas { height: 130px !important; }

.formula-card {
  background: var(--code-bg);
  border-radius: 8px;
  padding: .6rem .85rem;
  font-family: var(--font-mono);
  font-variant-ligatures: none;
  font-feature-settings: 'tnum' 1, 'zero' 1;
  letter-spacing: 0;
  font-size: .82rem;
  line-height: 1.55;
  color: var(--text);
  margin-top: .9rem;
  border-left: 3px solid var(--shell);
  word-break: break-word;
}
.formula-card .lbl {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  display: block;
  margin-bottom: .3rem;
}

/* ── Results / Tabs ─────────────────────────── */
#results { max-width: 1180px; }

.tab-bar {
  display: flex; gap: .35rem; flex-wrap: wrap;
  margin: 2rem 0 1.4rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 60px;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  z-index: 10;
  padding-top: .55rem;
}
.tab {
  padding: .45rem 1.05rem;
  border-radius: 99px;
  font-size: .79rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: 1px solid transparent;
  color: var(--muted);
  background: transparent;
  transition: all .22s;
  white-space: nowrap;
  letter-spacing: .01em;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: var(--surface);
  color: var(--ice);
  border-color: var(--border-2);
}
.tab .num {
  font-family: var(--font-mono);
  font-size: .7rem;
  opacity: .65;
  margin-right: .35rem;
}

.tab-panel { display: none; animation: fadeIn .35s ease; }
.tab-panel.active { display: block; }

.chart-row {
  display:grid; gap:1.4rem;
  grid-template-columns:repeat(auto-fit, minmax(420px, 1fr));
}
.chart-wrap {
  background:var(--surface); border:1px solid var(--border);
  border-radius:16px; padding:1.4rem 1.4rem 1rem;
  transition: border-color .25s ease;
}
.chart-wrap:hover { border-color: var(--border-2); }
.chart-title {
  font-family: var(--font-display);
  font-size:1rem; color:var(--text); margin-bottom:.25rem; font-weight:500;
  font-variation-settings: 'opsz' 60, 'SOFT' 30;
  letter-spacing: -.005em;
}
.chart-sub {
  font-family: var(--font-mono);
  font-size:.72rem;
  letter-spacing: .04em;
  color:var(--muted);
  margin-bottom:1rem;
}
.chart-container { position:relative; height:300px; }
.chart-container.tall { height: 360px; }
.chart-container.short { height: 220px; }

.chart-controls {
  display:flex; align-items:center; flex-wrap:wrap; gap:.5rem;
  margin: 0 0 1.2rem;
}
.ctrl-lbl {
  font-family: var(--font-mono);
  font-size:.72rem; letter-spacing: .08em; text-transform: uppercase;
  color:var(--muted); white-space:nowrap;
  margin-right: .3rem;
}
.ctrl-btn {
  padding:.32rem .85rem; border-radius:99px;
  font-size:.76rem; font-weight: 500;
  cursor:pointer; border:1px solid var(--border); color:var(--muted);
  background:transparent; transition:all .2s; white-space:nowrap;
  font-family: var(--font-body);
}
.ctrl-btn:hover { color: var(--text); border-color: var(--border-2); }
.ctrl-btn.active { background:var(--teal); color:#fff; border-color:var(--teal); }

/* stat chips */
.stat-row {
  display:grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap:.9rem; margin:2.2rem 0;
}
.stat-chip {
  background:var(--surface); border:1px solid var(--border);
  border-radius:14px; padding:1.1rem 1.3rem;
  text-align:left;
  position: relative; overflow: hidden;
  transition: all .2s;
}
.stat-chip:hover { border-color: var(--border-2); transform: translateY(-1px); }
.stat-chip .val {
  font-family: var(--font-display);
  font-size:2.2rem;
  font-weight:500;
  font-variation-settings: 'opsz' 144, 'SOFT' 50;
  color:var(--ice);
  line-height: 1;
  letter-spacing: -.02em;
}
.stat-chip .lbl {
  font-family: var(--font-mono);
  font-size:.72rem;
  color:var(--muted);
  margin-top:.45rem;
  letter-spacing: .04em;
  line-height: 1.45;
}

/* insight callouts */
.insight {
  background: color-mix(in srgb, var(--teal) 9%, transparent);
  border-left:3px solid var(--teal);
  border-radius:0 12px 12px 0;
  padding:1rem 1.2rem;
  margin:1.5rem 0; font-size:.9rem; color:var(--muted); line-height:1.7;
}
.insight strong { color:var(--text); font-weight: 600; }
.insight em { color: var(--ice); font-style: italic; font-family: var(--font-display); }
.insight .ref {
  display: inline-block;
  margin-left: .35rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--shell);
  letter-spacing: .04em;
}

/* mini table */
.mini-table { width:100%; border-collapse:collapse; font-size:.84rem; margin:.8rem 0; font-family: var(--font-mono); }
.mini-table th {
  background: color-mix(in srgb, var(--teal) 18%, transparent);
  color:var(--ice);
  padding:.5rem .8rem; text-align:right; font-weight:600;
  font-size: .76rem;
  letter-spacing: .04em;
}
.mini-table th:first-child { text-align:left; }
.mini-table td { padding:.42rem .8rem; border-bottom:1px solid var(--border); color:var(--muted); text-align:right; }
.mini-table td:first-child { text-align:left; color:var(--text); }
.mini-table tr:last-child td { border-bottom:none; }
.mini-table .best { color:var(--ice); font-weight:700; }

/* Appendix accordion */
details.appendix {
  margin-top: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}
details.appendix summary {
  cursor: pointer;
  padding: 1rem 1.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  user-select: none;
  font-variation-settings: 'opsz' 60, 'SOFT' 50;
}
details.appendix summary::-webkit-details-marker { display: none; }
details.appendix summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--ice);
  transition: transform .25s ease;
}
details.appendix[open] summary::after { transform: rotate(45deg); }
details.appendix summary:hover { background: var(--surface-2); }
details.appendix > div { padding: 0 1.4rem 1.4rem; }
.appendix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.2rem;
}

/* ── Footer ───────────────────────────────────── */
footer {
  text-align:center; padding:3.5rem 2rem;
  border-top:1px solid var(--border);
  color:var(--muted); font-size:.85rem;
}
footer .footer-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: .5rem;
  font-variation-settings: 'opsz' 60, 'SOFT' 50;
}
footer .footer-meta {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .8rem;
}
footer a { color: var(--ice); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .credit {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: color-mix(in srgb, var(--muted) 60%, transparent);
}

/* ── Reveal ───────────────────────────────────── */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .55s ease,transform .55s ease; }
.reveal.visible { opacity:1; transform:translateY(0); }

/* ── Print / reduced motion ─────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .lapras-hero, .pokeball, .wave { animation: none; }
}