/* FreezeCalc — frosted candy label design system */

:root {
  --paper: #FFF6EE;
  --paper-deep: #FBEBDD;
  --card: #FFFFFF;
  --ink: #33202F;
  --ink-soft: #6B5566;
  --berry: #D6336C;
  --berry-dark: #A61E4D;
  --berry-tint: #FFE3EC;
  --frost: #63C7C0;
  --frost-dark: #23837D;
  --frost-tint: #DFF7F5;
  --sun: #FFC078;
  --sun-tint: #FFF1DE;
  --ok: #2F9E44;
  --warn: #E8590C;
  --radius: 14px;
  --border: 2px solid var(--ink);
  --shadow-berry: 6px 6px 0 var(--berry-tint), 6px 6px 0 2px var(--berry);
  --shadow-frost: 6px 6px 0 var(--frost-tint), 6px 6px 0 2px var(--frost-dark);
  --shadow-ink: 5px 5px 0 var(--ink);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Karla", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  /* sugar-grain texture */
  background-image: radial-gradient(var(--paper-deep) 1px, transparent 1px);
  background-size: 22px 22px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-variation-settings: "SOFT" 60, "WONK" 0;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 5.4vw, 3.4rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }

p { margin: 0 0 1em; }
a { color: var(--berry-dark); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--berry); }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */

.site-header {
  border-bottom: var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 62px;
  flex-wrap: wrap;
  padding-top: 8px;
  padding-bottom: 8px;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.45rem;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.wordmark .flake {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: var(--border);
  border-radius: 50%;
  background: var(--frost-tint);
  font-size: 1rem;
  transform: rotate(-8deg);
  transition: transform .25s ease;
}

.wordmark:hover .flake { transform: rotate(14deg) scale(1.08); }
.wordmark em { font-style: normal; color: var(--berry); }

.site-nav { margin-left: auto; display: flex; gap: 4px; flex-wrap: wrap; }

.site-nav a {
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--ink);
  padding: 7px 12px;
  border: 2px solid transparent;
  border-radius: 999px;
}

.site-nav a:hover { border-color: var(--ink); background: var(--sun-tint); }
.site-nav a[aria-current="page"] { border-color: var(--ink); background: var(--berry-tint); }

/* ---------- hero ---------- */

.hero { padding: 64px 0 48px; position: relative; overflow: hidden; }
.hero .wrap { position: relative; z-index: 1; }

.hero .kicker,
.kicker {
  display: inline-block;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: var(--frost-tint);
  border: var(--border);
  border-radius: 999px;
  padding: 5px 14px;
  transform: rotate(-1.5deg);
  margin-bottom: 18px;
}

.hero h1 { max-width: 15ch; }
.hero h1 .u-berry { color: var(--berry); }
.hero p.lede { font-size: 1.15rem; max-width: 52ch; color: var(--ink-soft); }

.hero .candy {
  position: absolute;
  border: var(--border);
  border-radius: 50%;
  opacity: 0.9;
  z-index: 0;
  pointer-events: none;
  animation: bob 5.5s ease-in-out infinite;
}

@media (max-width: 900px) { .hero .candy { display: none; } }

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(-6deg); }
  50% { transform: translateY(-14px) rotate(6deg); }
}

@media (prefers-reduced-motion: reduce) {
  .hero .candy, .reveal { animation: none !important; }
}

/* staggered load reveal */
.reveal { animation: rise .6s cubic-bezier(.2,.7,.3,1) both; }
.reveal:nth-child(2) { animation-delay: .08s; }
.reveal:nth-child(3) { animation-delay: .16s; }
.reveal:nth-child(4) { animation-delay: .24s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- cards & grids ---------- */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 26px;
  padding: 10px 0 30px;
}

.tool-card {
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 22px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-ink);
  transition: transform .18s ease, box-shadow .18s ease;
}

.tool-card:hover { transform: translate(-2px, -3px) rotate(-0.4deg); box-shadow: 8px 9px 0 var(--ink); color: var(--ink); }

.tool-card .badge {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  font-size: 1.4rem;
  border: var(--border);
  border-radius: 12px;
  transform: rotate(-4deg);
}

.tool-card:nth-child(1) .badge { background: var(--berry-tint); }
.tool-card:nth-child(2) .badge { background: var(--sun-tint); }
.tool-card:nth-child(3) .badge { background: var(--frost-tint); }

.tool-card h3 { margin: 4px 0 0; }
.tool-card p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
.tool-card .go { margin-top: auto; font-weight: 800; color: var(--berry-dark); }

/* ---------- calculator layout ---------- */

.calc-page-head { padding: 44px 0 8px; }
.calc-page-head p.lede { color: var(--ink-soft); max-width: 62ch; font-size: 1.08rem; }

.calc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px;
  align-items: start;
  padding: 18px 0 40px;
}

@media (max-width: 860px) { .calc-shell { grid-template-columns: 1fr; } }

.panel {
  background: var(--card);
  border: var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
}

.panel.inputs { box-shadow: var(--shadow-frost); }
.panel.results { box-shadow: var(--shadow-berry); position: sticky; top: 84px; }

@media (max-width: 860px) { .panel.results { position: static; } }

.panel h2 { font-size: 1.3rem; display: flex; align-items: center; gap: 10px; }

fieldset { border: none; margin: 0 0 18px; padding: 0; }

legend {
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--frost-dark);
  padding: 0;
  margin-bottom: 10px;
  border-bottom: 2px dashed var(--frost);
  width: 100%;
  padding-bottom: 4px;
}

.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 700; font-size: 0.95rem; margin-bottom: 5px; }
.field .hint { display: block; font-weight: 400; color: var(--ink-soft); font-size: 0.82rem; margin-top: 3px; }

.field input[type="number"], .field select {
  width: 100%;
  font: inherit;
  font-weight: 700;
  color: var(--ink);
  background: var(--card);
  border: var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.field input:focus, .field select:focus {
  outline: 3px solid var(--frost);
  outline-offset: 1px;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .field-row { grid-template-columns: 1fr; } }

.input-affix { position: relative; }
.field .input-affix input[type="number"] { padding-left: 30px; }
.input-affix .affix {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  font-weight: 800; color: var(--ink-soft); pointer-events: none;
}
.field .input-affix.suffix input[type="number"] { padding-left: 12px; padding-right: 46px; }
.input-affix.suffix .affix { left: auto; right: 11px; }

/* ---------- results ---------- */

.result-hero { text-align: center; padding: 8px 0 14px; }

.result-hero .num {
  font-family: var(--font-display);
  font-weight: 900;
  font-variation-settings: "SOFT" 80;
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  color: var(--berry-dark);
  line-height: 1;
  display: block;
  font-variant-numeric: tabular-nums;
}

.result-hero .label {
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 12px 0; }

.stat {
  border: 2px solid var(--ink);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--paper);
}

.stat .v { font-weight: 800; font-size: 1.15rem; font-variant-numeric: tabular-nums; display: block; }
.stat .k { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); font-weight: 700; }
.stat.good { background: var(--frost-tint); }
.stat.bad { background: var(--berry-tint); }

/* cost breakdown bars */
.bars { margin: 14px 0 6px; display: grid; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 112px 1fr 64px; gap: 8px; align-items: center; font-size: 0.85rem; font-weight: 700; }
.bar-track { background: var(--paper-deep); border: 1.5px solid var(--ink); border-radius: 6px; height: 16px; overflow: hidden; }
.bar-fill { height: 100%; border-right: 1.5px solid var(--ink); transition: width .4s cubic-bezier(.2,.7,.3,1); }
.bar-row .val { text-align: right; font-variant-numeric: tabular-nums; }
.bar-fill.c1 { background: var(--berry); }
.bar-fill.c2 { background: var(--frost); }
.bar-fill.c3 { background: var(--sun); }
.bar-fill.c4 { background: var(--berry-tint); }
.bar-fill.c5 { background: var(--ink-soft); }

/* price ladder */
.ladder { display: grid; gap: 10px; margin: 14px 0; }
.rung {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  border: var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--paper);
  align-items: center;
}
.rung.hot { background: var(--berry-tint); box-shadow: 3px 3px 0 var(--berry); }
.rung .name { font-weight: 800; }
.rung .sub { grid-column: 1 / -1; font-size: 0.82rem; color: var(--ink-soft); }
.rung .price { font-family: var(--font-display); font-weight: 900; font-size: 1.35rem; color: var(--berry-dark); font-variant-numeric: tabular-nums; }

/* comparison table */
table.cmp { width: 100%; border-collapse: collapse; font-size: 0.92rem; margin: 10px 0; }
table.cmp th, table.cmp td { border: 1.5px solid var(--ink); padding: 7px 10px; text-align: right; font-variant-numeric: tabular-nums; }
table.cmp th { background: var(--frost-tint); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }
table.cmp td:first-child, table.cmp th:first-child { text-align: left; }
table.cmp tr.hot td { background: var(--sun-tint); font-weight: 800; }

/* ROI timeline chart */
.timeline { display: flex; align-items: flex-end; gap: 2px; height: 130px; border-bottom: 2px solid var(--ink); padding-top: 6px; position: relative; margin: 16px 0 4px; }
.timeline .col { flex: 1; background: var(--frost); border: 1px solid var(--ink); border-bottom: none; border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.timeline .col.paid { background: var(--berry); }
.timeline-cap { display: flex; justify-content: space-between; font-size: 0.72rem; font-weight: 700; color: var(--ink-soft); margin-bottom: 10px; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font: inherit;
  font-weight: 800;
  background: var(--berry);
  color: #fff;
  border: var(--border);
  border-radius: 12px;
  padding: 12px 22px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .12s ease, box-shadow .12s ease;
}

.btn:hover { transform: translate(-1px, -2px); box-shadow: 6px 7px 0 var(--ink); color: #fff; }
.btn:active { transform: translate(2px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn.frost { background: var(--frost-dark); }
.btn.ghost { background: var(--card); color: var(--ink); }
.btn.small { padding: 8px 14px; font-size: 0.88rem; border-radius: 10px; }

/* handoff note */
.handoff {
  border: 2px dashed var(--frost-dark);
  background: var(--frost-tint);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-top: 14px;
}

/* ---------- content sections ---------- */

.content { padding: 22px 0 8px; max-width: 760px; }
.content h2 { margin-top: 1.4em; }
.content .formula {
  background: var(--card);
  border: var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.9rem;
  overflow-x: auto;
  box-shadow: 3px 3px 0 var(--frost);
}

/* FAQ */
.faq { max-width: 760px; padding-bottom: 26px; }
.faq details {
  background: var(--card);
  border: var(--border);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  font-weight: 800;
  padding: 13px 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.faq summary::after { content: "+"; font-family: var(--font-display); font-size: 1.2rem; color: var(--berry); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 16px 14px; margin: 0; color: var(--ink-soft); }

/* affiliate / gear box */
.gearbox {
  border: var(--border);
  border-radius: var(--radius);
  background: var(--sun-tint);
  box-shadow: var(--shadow-ink);
  padding: 22px 24px;
  margin: 26px 0;
  max-width: 760px;
}
.gearbox h2 { font-size: 1.25rem; }
.gearbox ul { margin: 8px 0 4px; padding-left: 20px; }
.gearbox li { margin-bottom: 6px; }
.gearbox .disclosure { font-size: 0.78rem; color: var(--ink-soft); margin: 10px 0 0; }

/* cross links */
.next-tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 10px 0 40px; max-width: 760px; }

/* ---------- footer ---------- */

.site-footer {
  border-top: var(--border);
  background: var(--card);
  padding: 30px 0 36px;
  margin-top: 30px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; }
.site-footer nav { display: flex; flex-direction: column; gap: 6px; }
.site-footer a { color: var(--ink); }
.site-footer .fine { margin-top: 18px; font-size: 0.78rem; }

/* utility */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }