/* DIYSum design system: shared colors, type, spacing, controls and surfaces. */
:root {
  --ink:#152d3b;
  --muted:#52636d;
  --accent:#f3a541;
  --accent-dark:#934600;
  --paper:#fff;
  --canvas:#f4f6f7;
  --line:#d7dfe3;
  --blue:#e8f0f4;
  --error:#a32822;
  --radius:14px;
  --small-radius:8px;
  --space:8px;
  --container:1160px;
  --shadow:0 12px 40px #152d3b0a;
  color-scheme:light;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:var(--canvas);
  font-size:16px;
  line-height:1.55
}

* {
  box-sizing:border-box
}

body {
  margin:0
}

a {
  color:inherit;
  text-underline-offset:4px
}

a:hover {
  text-decoration-thickness:2px
}

button,input,select {
  font:inherit
}

button,a,input,select,summary {
  -webkit-tap-highlight-color:transparent
}

button,a {
  touch-action:manipulation
}

button {
  cursor:pointer
}

button:disabled {
  cursor:not-allowed;
  opacity:.5
}

input,select {
  min-width:0
}

button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible {
  outline:3px solid #246594;
  outline-offset:4px
}

[hidden] {
  display:none!important
}

h1,h2,h3,p {
  margin:0
}

h1,h2,h3 {
  line-height:1.15;
  letter-spacing:-.035em
}

h1 {
  font-size:clamp(2.3rem,5.1vw,4rem);
  font-weight:800
}

h2 {
  font-size:clamp(1.6rem,3vw,2.1rem)
}

h3 {
  font-size:1.15rem;
  letter-spacing:-.02em
}

p+p {
  margin-top:1rem
}

svg {
  display:block
}

.container {
  width:min(var(--container),calc(100% - 40px));
  margin-inline:auto
}

.muted,.hint {
  color:var(--muted)
}

.hint {
  font-size:.875rem;
  line-height:1.5
}

.eyebrow {
  text-transform:uppercase;
  font-size:.75rem;
  letter-spacing:.14em;
  font-weight:700
}

.skip-link {
  position:absolute;
  top:-100px;
  left:16px;
  padding:12px 20px;
  background:white;
  z-index:100
}

.skip-link:focus {
  top:8px
}

.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0
}

.site-header {
  background:var(--paper);
  border-bottom:1px solid var(--line)
}

.header-inner {
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:86px;
  gap:20px;
  flex-wrap:wrap
}

.brand {
  font-size:1.85rem;
  font-weight:800;
  letter-spacing:-.07em;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:9px;
  white-space:nowrap
}

.brand-mark {
  display:grid;
  place-items:center;
  background:var(--accent);
  width:31px;
  height:31px;
  border-radius:6px;
  letter-spacing:0;
  font-size:1.6rem;
  line-height:1
}

.brand span:last-child {
  font-weight:400
}

.site-nav {
  display:flex;
  align-items:center;
  gap:28px;
  font-size:.9rem;
  font-weight:600
}

.site-nav a {
  text-decoration:none;
  min-height:44px;
  display:flex;
  align-items:center
}

.site-nav a[aria-current=page] {
  box-shadow:inset 0 -3px var(--accent)
}

.site-nav a:hover {
  color:var(--accent-dark)
}

.menu-toggle {
  display:none;
  border:1px solid var(--line);
  background:white;
  border-radius:var(--small-radius);
  min-height:44px;
  padding:8px 14px;
  color:var(--ink)
}

.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  min-height:48px;
  padding:12px 20px;
  border:1px solid transparent;
  border-radius:var(--small-radius);
  background:var(--ink);
  color:white;
  font-weight:700;
  font-size:.95rem;
  text-decoration:none;
  line-height:1.3
}

.button:hover {
  background:#294859
}

.button-accent {
  background:var(--accent);
  color:var(--ink)
}

.button-accent:hover {
  background:#ffb756
}

.button-secondary {
  background:white;
  color:var(--ink);
  border-color:var(--line)
}

.button-secondary:hover {
  background:var(--blue)
}

.text-button {
  min-height:44px;
  background:transparent;
  border:0;
  color:var(--ink);
  text-decoration:underline;
  text-underline-offset:4px;
  padding:8px;
  font-size:.9rem
}

.badge {
  display:inline-flex;
  align-items:center;
  width:fit-content;
  gap:5px;
  border-radius:5px;
  padding:4px 8px;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.015em;
  background:var(--blue);
  color:var(--ink)
}

.badge-live {
  background:#ffebcc;
  color:#743c00
}

.hero {
  background:white;
  padding:50px 0 52px
}

.hero-layout {
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:74px;
  align-items:center
}

.hero .eyebrow {
  margin-bottom:17px;
  color:var(--muted)
}

.hero h1 {
  max-width:650px
}

.hero h1 em {
  font-style:normal;
  box-shadow:inset 0 -.18em #f3a54166
}

.hero .intro {
  font-size:1.1rem;
  margin:23px 0 26px;
  max-width:540px;
  color:var(--muted)
}

.hero-note {
  font-size:.8rem;
  color:var(--muted);
  margin-top:15px!important
}

.sample-card {
  padding:25px 28px;
  border:1px solid var(--line);
  border-left:5px solid var(--accent);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  background:var(--canvas)
}

.sample-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-bottom:23px
}

.sample-card h2 {
  font-size:1.3rem;
  margin-bottom:6px
}

.sample-math {
  display:flex;
  gap:10px;
  align-items:center;
  margin-top:21px;
  padding:17px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  font-size:.9rem
}

.sample-math strong {
  font-size:1.2rem;
  display:block
}

.sample-math>div {
  flex:1
}

.sample-total {
  display:flex;
  justify-content:space-between;
  gap:15px;
  align-items:center;
  margin-top:20px
}

.sample-total strong {
  font-size:2.1rem;
  letter-spacing:-.04em;
  display:block;
  line-height:1.1
}

.sample-total a {
  font-size:.875rem;
  font-weight:700
}

.directory {
  padding:48px 0 60px;
  scroll-margin-top:24px
}

.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:20px;
  margin-bottom:25px
}

.section-heading p {
  color:var(--muted);
  margin-top:10px
}

.search-field {
  position:relative;
  flex:0 1 340px
}

.search-field input {
  padding-left:42px;
  background:white
}

.search-icon {
  position:absolute;
  left:15px;
  top:15px;
  color:var(--muted)
}

input:not([type=checkbox]),select {
  width:100%;
  min-height:48px;
  border:1px solid #a7b7c0;
  border-radius:var(--small-radius);
  background:#fff;
  color:var(--ink);
  padding:10px 12px;
  line-height:1.4
}

input::placeholder {
  color:#687a86;
  opacity:1
}

input:hover,select:hover {
  border-color:#688494
}

.filters {
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:15px
}

.filter {
  min-height:44px;
  padding:8px 15px;
  border:1px solid var(--line);
  background:white;
  color:var(--muted);
  border-radius:25px;
  font-size:.875rem;
  white-space:nowrap
}

.filter[aria-pressed=true] {
  background:var(--ink);
  border-color:var(--ink);
  color:white
}

.filter:hover {
  border-color:var(--ink)
}

.results-count {
  margin-bottom:20px;
  color:var(--muted);
  font-size:.875rem
}

.calculator-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px
}

.calc-card {
  background:white;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:23px;
  display:flex;
  flex-direction:column;
  gap:12px;
  position:relative;
  min-height:210px
}

.calc-card.available {
  border-color:#b97b2c;
  border-top:4px solid var(--accent);
  padding-top:20px
}

.card-top {
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center
}

.calc-icon {
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:8px;
  background:var(--canvas);
  font-size:1.25rem;
  font-weight:700
}

.available .calc-icon {
  background:#fff0da
}

.calc-card h3 {
  font-size:1.3rem
}

.calc-card p {
  font-size:.925rem;
  color:var(--muted)
}

.calc-card a {
  text-decoration:none
}

.calc-card a:after {
  content:"";
  position:absolute;
  inset:0;
  border-radius:var(--radius)
}

.calc-card:has(a:hover) {
  box-shadow:0 6px 20px #152d3b14
}

.card-bottom {
  margin-top:auto;
  font-size:.8rem;
  color:var(--muted);
  padding-top:5px
}

.available .card-bottom {
  font-weight:700;
  color:var(--accent-dark)
}

.empty {
  padding:30px;
  background:white;
  border:1px dashed var(--line);
  border-radius:var(--radius)
}

.how-strip {
  background:var(--ink);
  color:white;
  padding:42px 0
}

.how-grid {
  display:grid;
  grid-template-columns:1.3fr repeat(3,1fr);
  gap:30px;
  align-items:start
}

.how-grid h2 {
  font-size:1.8rem
}

.how-step b {
  display:block;
  color:var(--accent);
  font-size:.875rem;
  margin-bottom:11px
}

.how-step h3 {
  margin-bottom:9px
}

.how-step p {
  color:#c7d2d9;
  font-size:.9rem
}

.site-footer {
  border-top:1px solid var(--line);
  padding:30px 0;
  background:white
}

.footer-inner {
  display:flex;
  justify-content:space-between;
  gap:25px;
  align-items:center
}

.footer-copy {
  font-size:.8rem;
  color:var(--muted);
  max-width:500px
}

.footer-brand {
  font-weight:800;
  color:var(--ink);
  font-size:1rem;
  margin-bottom:5px
}

.footer-links {
  display:flex;
  gap:20px;
  font-size:.875rem
}

.footer-links a {
  min-height:44px;
  display:flex;
  align-items:center
}

.breadcrumb {
  font-size:.8rem;
  color:var(--muted);
  display:flex;
  gap:9px;
  flex-wrap:wrap;
  margin-bottom:16px
}

.page-heading {
  padding:28px 0 25px
}

.page-heading h1 {
  font-size:clamp(2rem,4vw,2.8rem)
}

.page-heading>p {
  color:var(--muted);
  margin-top:12px;
  max-width:750px
}

.prose {
  max-width:760px;
  margin:0 auto;
  padding:50px 20px 70px
}

.prose h1 {
  margin-bottom:25px
}

.prose h2 {
  font-size:1.6rem;
  margin:35px 0 15px
}

.prose h3 {
  margin:24px 0 10px
}

.prose li {
  margin:10px 0
}

.not-found {
  text-align:center;
  padding:85px 0 100px
}

.not-found .big-404 {
  font-size:6rem;
  font-weight:800;
  color:#a56a1b;
  letter-spacing:-.07em
}

.not-found h1 {
  margin:8px 0 18px
}

.not-found p {
  margin:0 auto 26px;
  max-width:440px
}

.notice {
  padding:16px 20px;
  background:#fff0da;
  border-left:4px solid var(--accent);
  border-radius:5px;
  font-size:.9rem
}

.noscript {
  margin:20px 0
}

.js-only {
  display:none
}

.js .js-only {
  display:block
}

.search-field input[type=search] {
  padding-left:42px
}

.footer-links {
  flex-wrap:wrap
}

h1,h2,h3 {
  overflow-wrap:break-word;
  hyphens:auto
}

.brand-mark {
  font-size:26px
}

@media(max-width:900px) {
  .hero-layout {
    gap:30px;
    grid-template-columns:1.15fr 1fr
  }
  .calculator-grid {
    grid-template-columns:repeat(2,minmax(0,1fr))
  }
  .how-grid {
    grid-template-columns:repeat(3,1fr)
  }
  .how-grid>h2 {
    grid-column:1/-1
  }
  .site-nav {
    gap:18px
  }
}

@media(max-width:640px) {
  .container {
    width:calc(100% - 32px)
  }
  .header-inner {
    min-height:72px;
    gap:0
  }
  .brand {
    font-size:1.7rem
  }
  .site-nav {
    width:100%;
    flex-wrap:wrap;
    gap:4px 20px;
    padding:8px 0 18px
  }
  .js .site-nav {
    display:none
  }
  .js .site-nav.is-open {
    display:flex
  }
  .js .menu-toggle {
    display:block
  }
  .hero {
    padding:35px 0
  }
  .hero-layout {
    grid-template-columns:1fr;
    gap:28px
  }
  .hero h1 {
    font-size:clamp(2rem,9.8vw,2.4rem)
  }
  .hero .intro {
    font-size:1rem;
    margin:20px 0
  }
  .sample-card {
    padding:20px
  }
  .sample-top {
    margin-bottom:16px
  }
  .sample-math {
    margin-top:15px
  }
  .section-heading {
    display:block
  }
  .search-field {
    margin-top:22px
  }
  .directory {
    padding:35px 0 40px
  }
  .calculator-grid {
    gap:12px
  }
  .calc-card {
    padding:16px;
    min-height:218px;
    gap:10px
  }
  .calc-card.available {
    padding-top:13px
  }
  .calc-card h3 {
    font-size:1.15rem
  }
  .calc-card p {
    font-size:.875rem
  }
  .card-top {
    gap:5px;
    flex-wrap:wrap
  }
  .badge {
    font-size:.7rem
  }
  .how-grid {
    grid-template-columns:1fr;
    gap:25px
  }
  .how-step {
    padding-left:38px;
    position:relative
  }
  .how-step b {
    position:absolute;
    left:0;
    top:0
  }
  .footer-inner {
    display:block
  }
  .footer-links {
    margin-top:15px
  }
  .page-heading {
    padding:22px 0
  }
  .page-heading>p {
    font-size:.95rem
  }
  .filters {
    gap:7px
  }
  .filter {
    padding:8px 12px
  }
  .footer-copy {
    max-width:none
  }
}

@media(max-width:360px) {
  .calculator-grid {
    grid-template-columns:1fr
  }
  .sample-total {
    flex-wrap:wrap
  }
  .hero h1 {
    font-size:2rem
  }
}

@media(prefers-reduced-motion:no-preference) {
  button,a,input,select {
    transition:background-color .15s,border-color .15s,box-shadow .15s
  }
  html {
    scroll-behavior:smooth
  }
}

@media print {
  .site-header,.site-footer,.no-print {
    display:none!important
  }
  body {
    background:white;
    font-size:11pt
  }
  .container {
    width:100%
  }
  a {
    text-decoration:none
  }
  .prose {
    padding:0
  }
  .button {
    display:none!important
  }
}

/* Advertising-ready insertion points. They stay hidden until an ad provider is intentionally enabled. */
.ad-slot {
  width:min(100%,970px);
  margin:28px auto;
  min-height:250px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fafbfb;
  display:grid;
  place-items:center;
  position:relative;
  overflow:hidden
}
.ad-slot[hidden] { display:none!important }
.ad-label {
  position:absolute;
  top:8px;
  left:50%;
  transform:translateX(-50%);
  color:var(--muted);
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase
}
.ad-mount { width:100%; min-height:250px }
@media(max-width:640px) {
  .ad-slot { width:calc(100% - 32px); min-height:250px; margin:22px auto }
  .ad-mount { min-height:250px }
}
@media print { .ad-slot { display:none!important } }