/* ═══════════════════════════════════════════════════════════════════════
   CalcKaroo — Custom CSS
   Editorial + utilitarian. No Tailwind. No framework. Pure CSS.
   ═══════════════════════════════════════════════════════════════════════ */

/* ─── Design tokens ─────────────────────────────────────────────────────── */
:root {
  --paper:        #faf7f2;
  --paper-2:      #f2ede4;
  --ink:          #0e0e12;
  --ink-soft:     #2a2a33;
  --ink-mute:     #62626e;
  --line:         #1e1e25;
  --line-soft:    #e5ddd0;
  --accent:       #ff5b2a;           /* primary brand — warm tangerine */
  --accent-2:     #1e3a8a;           /* secondary — deep ink blue */
  --ok:           #057a55;
  --warn:         #b45309;
  --err:          #b91c1c;

  /* category accents — referenced via data-accent="" */
  --a-emerald:  #047857;
  --a-sky:      #0369a1;
  --a-amber:    #b45309;
  --a-rose:     #be185d;
  --a-indigo:   #4338ca;
  --a-violet:   #6d28d9;
  --a-cyan:     #0e7490;
  --a-orange:   #c2410c;
  --a-pink:     #c026d3;
  --a-slate:    #334155;

  --rad-s:  6px;
  --rad:    14px;
  --rad-l:  22px;

  --shadow-1: 0 1px 0 rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.04);
  --shadow-2: 0 2px 4px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.06);
  --shadow-3: 0 4px 8px rgba(0,0,0,.08), 0 24px 48px rgba(0,0,0,.08);

  --font-disp: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1200px;
  --dur: 180ms;
  --ease: cubic-bezier(.2,.7,.2,1);
}

[data-theme="dark"] {
  --paper:      #0e0e12;
  --paper-2:    #161621;
  --ink:        #f3efe6;
  --ink-soft:   #d6d1c5;
  --ink-mute:   #8a8a95;
  --line:       #e5ddd0;
  --line-soft:  #2a2a33;
  --accent:     #ff7a50;
  --accent-2:   #93c5fd;

  --a-emerald:  #34d399;
  --a-sky:      #38bdf8;
  --a-amber:    #fbbf24;
  --a-rose:     #fb7185;
  --a-indigo:   #a5b4fc;
  --a-violet:   #c4b5fd;
  --a-cyan:     #67e8f9;
  --a-orange:   #fdba74;
  --a-pink:     #f0abfc;
  --a-slate:    #cbd5e1;

  --shadow-1: 0 1px 0 rgba(0,0,0,.4);
  --shadow-2: 0 4px 12px rgba(0,0,0,.4);
  --shadow-3: 0 24px 48px rgba(0,0,0,.55);
}

/* ─── Reset + base ──────────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16.5px/1.6 var(--font-body);
  font-feature-settings: 'ss01','ss02','cv05','cv11';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input,select,textarea { font: inherit; color: inherit; }
h1,h2,h3,h4 {
  font-family: var(--font-disp);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.1;
  margin: 0;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.skip-link {
  position: absolute; left: -10000px; top: 10px;
  background: var(--ink); color: var(--paper);
  padding: 10px 16px; border-radius: var(--rad-s); z-index: 999;
}
.skip-link:focus { left: 10px; }

/* ─── Header ────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.header-wrap {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 28px;
  height: 68px;
}
.logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-disp); font-weight: 900; font-size: 1.25rem;
  letter-spacing: -.02em;
}
.logo-word { color: var(--ink); }
.logo:hover { color: var(--ink); }

.primary-nav {
  display: flex; align-items: center; gap: 24px;
  font-size: .96rem; color: var(--ink-soft);
}
.primary-nav a { padding: 6px 2px; border-bottom: 2px solid transparent; }
.primary-nav a:hover { color: var(--ink); border-color: var(--ink); }

.nav-trigger {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--ink-soft); font-size: .96rem;
}
.nav-trigger:hover { color: var(--ink); }

.mega-menu[hidden] { display: none; }
.mega-menu {
  position: absolute; top: calc(100% + 4px); left: 24px; right: 24px;
  max-width: var(--wrap); margin: 0 auto;
  background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: var(--rad-l); padding: 18px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
  box-shadow: var(--shadow-3);
}
.mega-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-radius: var(--rad);
  transition: background var(--dur) var(--ease);
}
.mega-item:hover { background: var(--paper-2); color: var(--ink); }
.mega-ic { font-size: 1.25rem; }

.search {
  position: relative;
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  min-width: 280px;
  color: var(--ink-mute);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.search:focus-within { border-color: var(--ink); background: var(--paper); color: var(--ink); }
.search input { flex: 1; border: 0; background: transparent; outline: 0; font-size: .95rem; }

.search-results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: var(--paper);
  border: 1px solid var(--line-soft); border-radius: var(--rad);
  box-shadow: var(--shadow-3); padding: 6px;
  max-height: 420px; overflow-y: auto;
}
.search-results[hidden] { display: none; }
.sr-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--rad-s);
}
.sr-item:hover, .sr-item[aria-selected="true"] { background: var(--paper-2); }
.sr-item b { font-weight: 600; font-size: .96rem; }
.sr-item small { color: var(--ink-mute); font-size: .78rem; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 50%;
  display: inline-grid; place-items: center;
  color: var(--ink-soft);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.theme-toggle:hover { background: var(--paper-2); color: var(--ink); }
.ic-sun, .ic-moon { position: absolute; }
[data-theme="light"] .theme-toggle .ic-moon { display: none; }
[data-theme="dark"]  .theme-toggle .ic-sun  { display: none; }
.theme-toggle { position: relative; }

.btn, .btn-ghost, .btn-outline, .btn-calc {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn-ghost { background: var(--paper-2); color: var(--ink); }
.btn-ghost:hover { background: var(--line-soft); }
.btn-outline {
  border: 1px solid var(--ink); color: var(--ink);
  padding: 12px 22px;
}
.btn-outline:hover { background: var(--ink); color: var(--paper); }

.menu-toggle { display: none; }

/* ─── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(ellipse 80% 60% at 80% 10%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 90%, color-mix(in srgb, var(--accent-2) 8%, transparent), transparent 60%),
    var(--paper);
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, var(--line-soft) 1px, transparent 0);
  background-size: 28px 28px; opacity: .5; pointer-events: none;
  mask-image: linear-gradient(180deg, transparent, black 40%, transparent);
}
.hero-wrap {
  position: relative;
  display: grid; grid-template-columns: 1.15fr 1fr;
  gap: 48px; align-items: center;
  padding: 88px 24px 100px;
}
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-mono); font-size: .78rem;
  color: var(--accent); letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 14px; border: 1px solid currentColor; border-radius: 999px;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 500; letter-spacing: -.03em; line-height: .98;
  margin: 0 0 24px;
}
.hero-title em {
  font-style: italic; font-weight: 900;
  color: var(--accent);
  font-variation-settings: 'SOFT' 50, 'WONK' 1;
}
.hero-lede {
  font-size: 1.15rem; color: var(--ink-soft);
  max-width: 52ch; margin: 0 0 32px;
}
.hero-search {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 8px 8px 18px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 999px;
  max-width: 540px;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform var(--dur) var(--ease);
}
.hero-search:focus-within { transform: translate(-2px,-2px); box-shadow: 8px 8px 0 var(--ink); }
.hero-search svg { color: var(--ink-mute); }
.hero-search input {
  flex: 1; border: 0; background: transparent; outline: 0;
  font-size: 1rem; padding: 8px 0;
}
.hero-search button {
  background: var(--ink); color: var(--paper);
  padding: 10px 22px; border-radius: 999px;
  font-weight: 600;
}
.hero-search button:hover { background: var(--accent); }

.hero-chips {
  margin-top: 20px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: .9rem; color: var(--ink-mute);
}
.hero-chips a {
  padding: 6px 12px;
  background: var(--paper-2); color: var(--ink);
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.hero-chips a:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }

/* Orbit visual */
.hero-visual { display: grid; place-items: center; }
.orbit {
  position: relative; width: 420px; height: 420px;
  border: 1px dashed var(--line-soft); border-radius: 50%;
  animation: spin 60s linear infinite;
}
.orbit::before {
  content: ''; position: absolute; inset: 40px;
  border: 1px dashed var(--line-soft); border-radius: 50%;
}
.orbit-center {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-family: var(--font-disp); font-size: 6rem; font-weight: 900;
  color: var(--ink); animation: spin 60s linear infinite reverse;
}
.orbit-chip {
  position: absolute; top: 50%; left: 50%;
  font-family: var(--font-mono); font-weight: 600; font-size: .9rem;
  padding: 8px 14px; border-radius: 999px;
  background: var(--paper); border: 1.5px solid var(--ink); color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  animation: spin 60s linear infinite reverse;
  white-space: nowrap;
}
.orbit-chip.c1 { transform: translate(-50%,-50%) translate(0, -210px); }
.orbit-chip.c2 { transform: translate(-50%,-50%) translate(182px, -105px); background: var(--accent); color: var(--paper); }
.orbit-chip.c3 { transform: translate(-50%,-50%) translate(182px,  105px); }
.orbit-chip.c4 { transform: translate(-50%,-50%) translate(0,  210px); background: var(--ink); color: var(--paper); }
.orbit-chip.c5 { transform: translate(-50%,-50%) translate(-182px, 105px); }
.orbit-chip.c6 { transform: translate(-50%,-50%) translate(-182px,-105px); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .orbit, .orbit-center, .orbit-chip { animation: none !important; } }

/* ─── Stats band ─────────────────────────────────────────────────────────── */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; padding: 40px 24px;
  border-bottom: 1px solid var(--line-soft);
}
.stat { text-align: center; border-left: 1px solid var(--line-soft); padding: 16px; }
.stat:first-child { border-left: 0; }
.stat b {
  display: block; font-family: var(--font-disp); font-weight: 900;
  font-size: clamp(2rem, 4vw, 3rem); color: var(--ink);
  line-height: 1; letter-spacing: -.02em;
}
.stat span {
  display: block; margin-top: 8px;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em;
  color: var(--ink-mute); text-transform: uppercase;
}

/* ─── Section headers ────────────────────────────────────────────────────── */
.sec-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 32px; margin-bottom: 40px;
}
.sec-head h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  letter-spacing: -.025em;
}
.sec-head p { color: var(--ink-mute); max-width: 40ch; margin: 0; }
.sec-cta { text-align: center; margin-top: 40px; }

.categories, .popular, .trust { padding: 80px 24px; }
.categories { border-bottom: 1px solid var(--line-soft); }

/* ─── Category grid ──────────────────────────────────────────────────────── */
.cat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.cat-card {
  position: relative;
  display: block; padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--rad-l);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  overflow: hidden;
}
.cat-card::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 3px;
  background: var(--accent-color, var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform 400ms var(--ease);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-3); border-color: var(--ink); color: var(--ink); }
.cat-card:hover::after { transform: scaleX(1); }
.cat-ic { font-size: 2rem; margin-bottom: 12px; }
.cat-card h3 { font-size: 1.25rem; margin: 0 0 6px; }
.cat-card p { margin: 0; color: var(--ink-mute); font-size: .9rem; }
.cat-arrow {
  position: absolute; top: 24px; right: 24px;
  font-size: 1.25rem; color: var(--ink-mute);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.cat-card:hover .cat-arrow { color: var(--ink); transform: translateX(4px); }

/* Data-accent color mapping */
[data-accent="emerald"] { --accent-color: var(--a-emerald); }
[data-accent="sky"]     { --accent-color: var(--a-sky); }
[data-accent="amber"]   { --accent-color: var(--a-amber); }
[data-accent="rose"]    { --accent-color: var(--a-rose); }
[data-accent="indigo"]  { --accent-color: var(--a-indigo); }
[data-accent="violet"]  { --accent-color: var(--a-violet); }
[data-accent="cyan"]    { --accent-color: var(--a-cyan); }
[data-accent="orange"]  { --accent-color: var(--a-orange); }
[data-accent="pink"]    { --accent-color: var(--a-pink); }
[data-accent="slate"]   { --accent-color: var(--a-slate); }

/* ─── Popular grid ────────────────────────────────────────────────────────── */
.pop-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.pop-card {
  position: relative;
  padding: 24px; background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: var(--rad);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.pop-card::before {
  content: ''; position: absolute; top: 0; left: 24px; right: 24px;
  height: 2px; background: var(--accent-color, var(--accent));
  transform: scaleX(0); transform-origin: left;
  transition: transform 400ms var(--ease);
}
.pop-card:hover { transform: translateY(-3px); border-color: var(--ink); box-shadow: var(--shadow-2); color: var(--ink); }
.pop-card:hover::before { transform: scaleX(1); }
.pop-ic { font-size: 1.75rem; margin-bottom: 10px; display: block; }
.pop-card h3 { font-size: 1.1rem; margin: 0 0 4px; }
.pop-card p { margin: 0; color: var(--ink-mute); font-size: .88rem; min-height: 2.4em; }
.pop-tag {
  display: inline-block; margin-top: 14px;
  font-family: var(--font-mono); font-size: .72rem;
  padding: 3px 10px; background: var(--paper-2); border-radius: 999px;
  color: var(--ink-mute);
}

/* ─── Trust band ──────────────────────────────────────────────────────────── */
.trust { background: var(--paper-2); }
.trust-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}
.trust-item {
  text-align: center; padding: 20px 8px;
}
.trust-ic { font-size: 2.2rem; margin-bottom: 14px; }
.trust-item h3 { font-size: 1.15rem; margin: 0 0 8px; }
.trust-item p { margin: 0; color: var(--ink-mute); font-size: .92rem; }

/* ─── Breadcrumbs ───────────────────────────────────────────────────────── */
.breadcrumbs { padding: 18px 24px 0; }
.breadcrumbs ol {
  display: flex; gap: 8px; padding: 0; margin: 0; list-style: none;
  font-size: .85rem; color: var(--ink-mute);
  font-family: var(--font-mono);
}
.breadcrumbs li:not(:last-child)::after { content: '  /'; margin-left: 8px; opacity: .5; }
.breadcrumbs a:hover { color: var(--ink); }

/* ─── Calculator page ────────────────────────────────────────────────────── */
.calc-hero {
  position: relative;
  display: grid; grid-template-columns: 1fr auto;
  gap: 40px; align-items: center;
  padding: 40px 24px 32px;
}
.calc-hero::after {
  content: ''; position: absolute; left: 24px; right: 24px; bottom: 0;
  height: 1px; background: var(--line-soft);
}
.calc-eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: .78rem;
  color: var(--accent-color, var(--accent));
  letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 12px; border: 1px solid currentColor; border-radius: 999px;
  margin-bottom: 16px;
}
.calc-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 500; letter-spacing: -.025em; line-height: 1.05;
  margin: 0 0 14px;
}
.calc-tagline { font-size: 1.1rem; color: var(--ink-soft); margin: 0; max-width: 60ch; }
.calc-hero-mark {
  font-size: clamp(4rem, 10vw, 7rem); line-height: 1;
  color: var(--accent-color, var(--accent));
  font-family: var(--font-disp); font-weight: 900;
  opacity: .9;
}

.calc-shell { padding: 48px 24px 40px; }
.calc-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: start;
}

.calc-form {
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--rad-l);
  padding: 28px;
  box-shadow: var(--shadow-1);
}
.form-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 18px; }
.form-head h2 { font-size: 1.25rem; }
.btn-reset { font-size: .85rem; color: var(--ink-mute); }
.btn-reset:hover { color: var(--ink); }
.form-note { font-size: .8rem; color: var(--ink-mute); text-align: center; margin: 14px 0 0; }

.fld { margin-bottom: 18px; }
.fld label {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 8px; margin-bottom: 6px;
  font-size: .9rem; font-weight: 600; color: var(--ink-soft);
}
.fld .req { color: var(--err); font-size: .8em; }
.fld-help { color: var(--ink-mute); font-size: .78rem; margin-top: 4px; display: block; }

.fld-wrap {
  display: flex; align-items: stretch;
  background: var(--paper-2); border: 1.5px solid var(--line-soft);
  border-radius: var(--rad); overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.fld-wrap:focus-within { border-color: var(--ink); background: var(--paper); }
.fld-wrap input, .fld-wrap select {
  flex: 1; min-width: 0; border: 0; background: transparent; outline: 0;
  padding: 12px 14px; font-size: 1rem;
  font-variant-numeric: tabular-nums;
}
.fld-wrap select { cursor: pointer; padding-right: 36px; appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-mute) 50%), linear-gradient(135deg, var(--ink-mute) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.fld-prefix, .fld-suffix {
  display: inline-grid; place-items: center;
  padding: 0 14px; background: transparent;
  color: var(--ink-mute); font-weight: 600; font-size: .95rem;
  border-left: 0;
}
.fld-wrap.has-prefix .fld-prefix { border-right: 1px solid var(--line-soft); }
.fld-wrap.has-suffix .fld-suffix { border-left: 1px solid var(--line-soft); }

.fld-slider {
  width: 100%; margin-top: 12px; accent-color: var(--accent);
  -webkit-appearance: none; appearance: none; background: transparent;
}
.fld-slider::-webkit-slider-runnable-track {
  height: 6px; border-radius: 999px; background: var(--line-soft);
}
.fld-slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); margin-top: -6px;
  border: 3px solid var(--paper); box-shadow: 0 0 0 1px var(--ink);
  cursor: grab;
}
.fld-slider::-moz-range-track { height: 6px; border-radius: 999px; background: var(--line-soft); }
.fld-slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--paper); cursor: grab;
}
.fld-range {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--ink-mute); margin-top: 4px;
}

.fld-radio { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-pill { position: relative; cursor: pointer; }
.radio-pill input { position: absolute; opacity: 0; pointer-events: none; }
.radio-pill span {
  display: inline-block; padding: 8px 16px;
  background: var(--paper-2); border: 1.5px solid var(--line-soft);
  border-radius: 999px; font-size: .88rem; font-weight: 500;
  transition: all var(--dur) var(--ease);
}
.radio-pill input:checked + span {
  background: var(--ink); color: var(--paper); border-color: var(--ink);
}

.btn-calc {
  width: 100%; margin-top: 8px;
  padding: 16px 24px; border-radius: var(--rad);
  background: var(--ink); color: var(--paper);
  font-size: 1rem; font-weight: 600; letter-spacing: -.005em;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.btn-calc:hover { background: var(--accent); transform: translateY(-2px); }

/* ─── Result panel ───────────────────────────────────────────────────────── */
.calc-result {
  position: sticky; top: 92px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--rad-l);
  padding: 32px;
  min-height: 400px;
  box-shadow: var(--shadow-2);
}
.result-placeholder {
  display: grid; place-content: center; text-align: center;
  min-height: 340px; color: var(--ink-mute);
}
.pulse-dot {
  width: 14px; height: 14px; margin: 0 auto 20px;
  border-radius: 50%; background: var(--accent);
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 1; }
  50%     { transform: scale(1.8); opacity: .3; }
}

.res-primary {
  padding: 28px 24px 24px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--accent-color, var(--accent)) 14%, var(--paper)),
    color-mix(in srgb, var(--accent-color, var(--accent)) 5%, var(--paper)));
  border-radius: var(--rad);
  text-align: center;
  margin-bottom: 20px;
  position: relative; overflow: hidden;
}
.res-primary::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--accent-color, var(--accent)) 10%, transparent), transparent 60%);
  pointer-events: none;
}
.res-primary-label {
  font-family: var(--font-mono); font-size: .78rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 8px;
}
.res-primary-value {
  font-family: var(--font-disp); font-weight: 900;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--ink); letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1.05;
}
.res-primary-sub { margin-top: 8px; color: var(--ink-mute); font-size: .9rem; }

.res-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px; margin-bottom: 20px;
}
.res-cell {
  padding: 16px; background: var(--paper-2);
  border-radius: var(--rad);
  border: 1px solid var(--line-soft);
}
.res-cell-label {
  font-family: var(--font-mono); font-size: .72rem;
  color: var(--ink-mute); letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: 6px;
}
.res-cell-value {
  font-family: var(--font-disp); font-weight: 700; font-size: 1.4rem;
  color: var(--ink); font-variant-numeric: tabular-nums;
}

.res-chart { margin-top: 16px; padding: 16px; background: var(--paper-2); border-radius: var(--rad); }
.donut-wrap { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; }
.donut-legend { display: flex; flex-direction: column; gap: 6px; font-size: .85rem; }
.donut-legend span { display: inline-flex; align-items: center; gap: 8px; }
.donut-legend i {
  width: 10px; height: 10px; border-radius: 2px; display: inline-block;
}

.res-table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: .88rem; }
.res-table th, .res-table td { padding: 8px 10px; text-align: right; border-bottom: 1px solid var(--line-soft); }
.res-table th { text-align: left; font-weight: 600; color: var(--ink-mute); }
.res-table td:first-child, .res-table th:first-child { text-align: left; }
.res-table-wrap { max-height: 280px; overflow-y: auto; }

.res-share {
  display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap;
}
.res-share button {
  padding: 8px 14px; background: var(--paper-2); border: 1px solid var(--line-soft);
  border-radius: 999px; font-size: .82rem;
  transition: background var(--dur) var(--ease);
}
.res-share button:hover { background: var(--ink); color: var(--paper); }

/* ─── About + FAQ + Related ──────────────────────────────────────────────── */
.calc-about { padding: 40px 24px 30px; }
.about-inner { max-width: 780px; margin: 0 auto; }
.about-inner h2 { font-size: 1.75rem; margin: 0 0 16px; }
.prose { font-size: 1.02rem; color: var(--ink-soft); line-height: 1.7; }
.prose p { margin: 0 0 16px; }
.prose h3 { font-size: 1.15rem; margin: 28px 0 10px; color: var(--ink); }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 6px; }
.prose code { background: var(--paper-2); padding: 2px 6px; border-radius: 4px; font-size: .9em; }

.calc-faq { padding: 40px 24px 30px; max-width: 900px; margin: 0 auto; }
.calc-faq h2 { font-size: 1.75rem; margin: 0 0 24px; text-align: center; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: var(--rad); padding: 16px 20px;
  transition: border-color var(--dur) var(--ease);
}
.faq-item:hover { border-color: var(--ink-mute); }
.faq-item summary {
  font-weight: 600; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 1.4rem; color: var(--ink-mute); transition: transform var(--dur) var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { margin-top: 12px; color: var(--ink-soft); font-size: .96rem; }

.calc-related { padding: 40px 24px 60px; }
.calc-related h2 { font-size: 1.5rem; margin: 0 0 20px; }
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.related-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: var(--rad);
  transition: all var(--dur) var(--ease);
}
.related-card:hover {
  border-color: var(--ink); color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}
.related-ic { font-size: 1.3rem; }
.related-label { flex: 1; font-weight: 600; font-size: .92rem; }
.related-arrow { color: var(--ink-mute); transition: transform var(--dur) var(--ease); }
.related-card:hover .related-arrow { color: var(--accent-color, var(--accent)); transform: translateX(4px); }

/* ─── AdSense slots ──────────────────────────────────────────────────────── */
.ad-slot {
  padding: 16px 24px;
  text-align: center;
  min-height: 100px;
}
.ad-slot:empty::before {
  content: 'Ad space';
  color: var(--ink-mute); font-size: .75rem; font-family: var(--font-mono);
  display: inline-block; padding: 20px;
  background: var(--paper-2); border: 1px dashed var(--line-soft); border-radius: var(--rad);
}

/* ─── Page hero (category/all/search) ────────────────────────────────────── */
.page-hero {
  padding: 56px 24px 40px;
  border-bottom: 1px solid var(--line-soft);
}
.page-eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: .78rem;
  color: var(--accent-color, var(--accent)); letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: 14px;
}
.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 500;
  letter-spacing: -.025em; margin: 0 0 14px;
}
.page-hero p { font-size: 1.1rem; color: var(--ink-soft); margin: 0 0 20px; max-width: 60ch; }
.page-search {
  display: flex; gap: 8px; max-width: 520px;
  border: 2px solid var(--ink); border-radius: 999px;
  padding: 6px 6px 6px 18px; background: var(--paper);
}
.page-search input { flex: 1; border: 0; background: transparent; outline: 0; padding: 8px 0; font-size: 1rem; }
.page-search button { background: var(--ink); color: var(--paper); padding: 10px 22px; border-radius: 999px; font-weight: 600; }
.page-search button:hover { background: var(--accent); }

/* ─── All/category list ──────────────────────────────────────────────────── */
.all-list { padding: 40px 24px 60px; }
.all-section { margin-bottom: 48px; }
.all-section h2 {
  font-size: 1.5rem; margin: 0 0 16px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line-soft);
}
.all-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 4px;
}
.all-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px; border-radius: var(--rad);
  transition: background var(--dur) var(--ease);
  border-left: 3px solid transparent;
}
.all-item:hover {
  background: var(--paper-2); color: var(--ink);
  border-left-color: var(--accent-color, var(--accent));
}
.all-ic { font-size: 1.5rem; }
.all-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.all-text b { font-weight: 600; font-size: .98rem; }
.all-text small { color: var(--ink-mute); font-size: .82rem; line-height: 1.3; }

.cat-list { padding: 32px 24px 80px; }
.cat-list-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.cat-list-card {
  position: relative;
  padding: 28px; background: var(--paper);
  border: 1px solid var(--line-soft); border-radius: var(--rad-l);
  transition: all var(--dur) var(--ease);
}
.cat-list-card:hover { border-color: var(--ink); transform: translateY(-4px); box-shadow: var(--shadow-2); color: var(--ink); }
.cat-list-ic { font-size: 2rem; margin-bottom: 10px; display: block; }
.cat-list-card h3 { font-size: 1.15rem; margin: 0 0 6px; }
.cat-list-card p { font-size: .9rem; color: var(--ink-mute); margin: 0 0 18px; }
.cat-list-cta { color: var(--accent-color, var(--accent)); font-weight: 600; font-size: .88rem; }

/* ─── Text pages (about, privacy, terms) ─────────────────────────────────── */
.text-page { max-width: 780px; padding: 56px 24px 80px; }
.text-page h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 500; margin: 0 0 12px; letter-spacing: -.02em; }
.text-page .lede { font-size: 1.15rem; color: var(--ink-mute); font-style: italic; margin: 0 0 32px; }
.text-page h2 { font-size: 1.5rem; margin: 32px 0 12px; }
.text-page p { color: var(--ink-soft); margin: 0 0 16px; }
.text-page a { color: var(--accent); border-bottom: 1px solid currentColor; }
.contact-form { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: .9rem; }
.contact-form input, .contact-form textarea {
  padding: 12px 14px; background: var(--paper-2); border: 1.5px solid var(--line-soft);
  border-radius: var(--rad); outline: 0; font-size: 1rem;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--ink); background: var(--paper); }
.contact-form textarea { resize: vertical; min-height: 120px; font-family: inherit; }
.contact-form button { align-self: flex-start; padding: 12px 28px; }

.flash { padding: 14px 18px; border-radius: var(--rad); margin-bottom: 20px; }
.flash-ok { background: color-mix(in srgb, var(--ok) 15%, var(--paper)); border: 1px solid var(--ok); }
.flash-err { background: color-mix(in srgb, var(--err) 15%, var(--paper)); border: 1px solid var(--err); }

.empty-state {
  text-align: center; padding: 60px 20px;
}
.empty-ic { font-size: 3rem; margin-bottom: 16px; }
.empty-state h3 { font-size: 1.4rem; margin: 0 0 8px; }
.empty-state p { color: var(--ink-mute); margin: 0 0 20px; }

.error-page {
  text-align: center; padding: 80px 24px 120px;
}
.error-num {
  font-family: var(--font-disp); font-weight: 900;
  font-size: clamp(6rem, 15vw, 10rem);
  line-height: 1; color: var(--accent);
  letter-spacing: -.03em;
}
.error-page h1 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); margin: 0 0 12px; }
.error-page p { color: var(--ink-mute); font-size: 1.1rem; margin-bottom: 28px; }
.error-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--paper-2);
  border-top: 1px solid var(--line-soft);
  padding-top: 72px;
  margin-top: 40px;
  position: relative;
}
.site-footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent));
  background-size: 200% 100%;
  animation: shift 8s linear infinite;
}
@keyframes shift { to { background-position: 200% 0; } }

/* Main footer grid: brand + 3 calculator columns */
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 48px;
  padding-bottom: 48px;
}

/* Brand column */
.foot-brand .logo {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-disp); font-weight: 900; font-size: 1.3rem;
}
.foot-tagline {
  font-family: var(--font-disp); font-style: italic;
  color: var(--ink-soft); font-size: 1.15rem;
  margin: 0 0 14px; line-height: 1.4;
}
.foot-desc {
  color: var(--ink-mute); font-size: .92rem; margin: 0 0 20px;
  max-width: 34ch; line-height: 1.6;
}
.foot-social {
  display: flex; gap: 10px;
}
.foot-social a {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--paper); border: 1px solid var(--line-soft);
  color: var(--ink-soft); font-weight: 700;
  transition: all var(--dur) var(--ease);
}
.foot-social a:hover {
  background: var(--ink); color: var(--paper);
  transform: translateY(-2px); border-color: var(--ink);
}

/* Calculator columns */
.foot-col h4 {
  font-family: var(--font-body); font-weight: 700; font-size: .75rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink); margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  display: inline-block;
}
.foot-col ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.foot-col a {
  color: var(--ink-soft); font-size: .92rem;
  transition: color var(--dur) var(--ease), padding var(--dur) var(--ease);
  position: relative; padding-left: 0;
}
.foot-col a::before {
  content: '→'; position: absolute; left: 0;
  opacity: 0; transform: translateX(-6px);
  color: var(--accent);
  transition: all var(--dur) var(--ease);
}
.foot-col a:hover {
  color: var(--accent); padding-left: 16px;
}
.foot-col a:hover::before { opacity: 1; transform: translateX(0); }

/* Secondary footer: categories + site links */
.foot-secondary {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  padding: 40px 24px;
  border-top: 1px solid var(--line-soft);
}
.foot-sec-col h4 {
  font-family: var(--font-body); font-weight: 700; font-size: .75rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-mute); margin: 0 0 16px;
}

.foot-cat-row {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.foot-cat-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: var(--paper); border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: .85rem; color: var(--ink-soft);
  transition: all var(--dur) var(--ease);
}
.foot-cat-chip:hover {
  border-color: var(--ink); color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}
.foot-cat-chip .chip-ic { font-size: 1rem; }
.foot-cat-chip .chip-count {
  background: var(--paper-2);
  padding: 1px 8px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-style: normal; font-size: .72rem;
  color: var(--ink-mute);
}
.foot-cat-chip:hover .chip-count {
  background: var(--accent); color: var(--paper);
}

.foot-links {
  display: flex; flex-wrap: wrap; gap: 16px 24px;
}
.foot-links a {
  color: var(--ink-soft); font-size: .9rem;
  border-bottom: 1px solid transparent;
  transition: all var(--dur) var(--ease);
}
.foot-links a:hover { color: var(--ink); border-color: var(--ink); }

/* Bottom strip */
.foot-bottom {
  padding: 24px 24px 32px;
  border-top: 1px solid var(--line-soft);
  text-align: center;
  font-size: .82rem; color: var(--ink-mute);
}
.foot-bottom p { margin: 0 0 6px; }
.foot-disclaim {
  font-style: italic; font-size: .78rem;
  max-width: 60ch; margin: 0 auto !important;
  opacity: .8;
}

/* Responsive */
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .foot-brand { grid-column: 1 / -1; }
  .foot-secondary { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-wrap { grid-template-columns: 1fr; padding: 56px 24px 60px; }
  .hero-visual { display: none; }
  .calc-grid { grid-template-columns: 1fr; }
  .calc-result { position: static; }
  .calc-hero { grid-template-columns: 1fr; }
  .calc-hero-mark { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-top: 1px solid var(--line-soft); }
  .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(odd) { border-left: 0; }
  .mega-menu { position: fixed; top: 68px; left: 12px; right: 12px; grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .header-wrap { grid-template-columns: auto 1fr auto; gap: 12px; }
  .primary-nav { display: none; }
  .search { min-width: auto; }
  .search input { width: 0; }
  .search:focus-within input { width: auto; min-width: 180px; }
  .menu-toggle {
    display: grid; gap: 4px; padding: 10px;
    place-content: center;
  }
  .menu-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); border-radius: 2px; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .hero-title { font-size: 2.8rem; }
  .calc-title { font-size: 2rem; }
  .categories, .popular, .trust { padding: 56px 24px; }
}

@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .stat { border-left: 0; }
  .hero-search { flex-wrap: wrap; }
  .orbit { width: 320px; height: 320px; }
  .orbit-chip.c1 { transform: translate(-50%,-50%) translate(0,-160px); }
  .orbit-chip.c2 { transform: translate(-50%,-50%) translate(138px,-80px); }
  .orbit-chip.c3 { transform: translate(-50%,-50%) translate(138px,80px); }
  .orbit-chip.c4 { transform: translate(-50%,-50%) translate(0,160px); }
  .orbit-chip.c5 { transform: translate(-50%,-50%) translate(-138px,80px); }
  .orbit-chip.c6 { transform: translate(-50%,-50%) translate(-138px,-80px); }
}

/* ─── Print styles ───────────────────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .calc-form, .ad-slot, .calc-related, .btn-reset { display: none !important; }
  .calc-result { box-shadow: none; border: 1px solid #000; }
}

/* ─── Motion safety ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}