/* ==========================================================================
   Calcyard — yard & landscape calculators
   Design: warm paper + deep greens + terracotta. Fraunces / Public Sans.
   ========================================================================== */

@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces.woff2') format('woff2');
  font-weight: 500 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Public Sans';
  src: url('../fonts/publicsans.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #FAF6EB;
  --paper-2: #F2EBDA;
  --card: #FFFDF6;
  --ink: #232E22;
  --ink-soft: #55604F;
  --line: #E1D8C2;
  --line-soft: #EBE3D0;

  --green-950: #12291C;
  --green-900: #173623;
  --green-800: #1E4630;
  --green-700: #285A3D;
  --green-600: #34714B;
  --green-500: #478A60;
  --green-200: #C9DCc8;
  --green-100: #DEEAD9;
  --green-text: #1E4630;

  --terra: #C05A33;
  --terra-dark: #A1461F;
  --terra-soft: #F6E3D8;
  --amber: #D9A13B;
  --amber-soft: #F7ECD4;

  --focus: #2f6db8;

  --radius: 12px;
  --radius-lg: 18px;
  --shadow-1: 0 1px 2px rgba(30, 40, 25, .06), 0 2px 8px rgba(30, 40, 25, .05);
  --shadow-2: 0 2px 4px rgba(30, 40, 25, .07), 0 8px 24px rgba(30, 40, 25, .09);
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --wrap: 1160px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121810;
    --paper-2: #1A2317;
    --card: #263122;
    --ink: #EDEADD;
    --ink-soft: #C0C7B1;
    --line: #3C4A35;
    --line-soft: #2D3829;
    --green-950: #0C1A10;
    --green-900: #122417;
    --green-800: #2C5C43;
    --green-700: #8FC6A3;
    --green-600: #74B388;
    --green-500: #5F9E76;
    --green-200: #465C3C;
    --green-100: #2A3D25;
    --green-text: #A9D4B6;
    --terra: #D9713F;
    --terra-dark: #E88A5C;
    --terra-soft: #3A241A;
    --amber: #E0AC4E;
    --amber-soft: #37301E;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, .3), 0 2px 8px rgba(0, 0, 0, .25);
    --shadow-2: 0 2px 4px rgba(0, 0, 0, .35), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

:root[data-theme="dark"] {
  --paper: #121810;
  --paper-2: #1A2317;
  --card: #263122;
  --ink: #EDEADD;
  --ink-soft: #C0C7B1;
  --line: #3C4A35;
  --line-soft: #2D3829;
  --green-950: #0C1A10;
  --green-900: #122417;
  --green-800: #2C5C43;
  --green-700: #8FC6A3;
  --green-600: #74B388;
  --green-500: #5F9E76;
  --green-200: #465C3C;
  --green-100: #2A3D25;
  --green-text: #A9D4B6;
  --terra: #D9713F;
  --terra-dark: #E88A5C;
  --terra-soft: #3A241A;
  --amber: #E0AC4E;
  --amber-soft: #37301E;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, .3), 0 2px 8px rgba(0, 0, 0, .25);
  --shadow-2: 0 2px 4px rgba(0, 0, 0, .35), 0 8px 24px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--green-700); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--terra-dark); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--green-800); color: #fff; padding: 10px 18px;
  border-radius: 0 0 10px 0; z-index: 100; font-weight: 600;
}
.skip-link:focus { left: 0; color: #fff; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}

.header-inner {
  display: flex; align-items: center; gap: 28px;
  min-height: 66px;
}

.brand {
  display: inline-flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink); flex-shrink: 0;
}
.brand:hover { color: var(--ink); }
.brand svg { width: 34px; height: 34px; flex-shrink: 0; }
.brand-word {
  font-family: var(--font-display);
  font-weight: 700; font-size: 22.5px; letter-spacing: -.01em;
}
.brand-word em { font-style: normal; color: var(--green-600); }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a {
  text-decoration: none; color: var(--ink-soft);
  font-weight: 500; font-size: 15px;
  padding: 8px 12px; border-radius: 8px;
}
.main-nav a:hover { color: var(--green-text); background: var(--green-100); }
.main-nav a[aria-current="page"] { color: var(--green-text); font-weight: 600; }

.nav-toggle {
  display: none; margin-left: auto;
  background: none; border: 1.5px solid var(--line); border-radius: 8px;
  padding: 8px 10px; cursor: pointer; color: var(--ink);
}

.theme-toggle {
  flex-shrink: 0; display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: 9px;
  background: transparent; border: 1.5px solid var(--line);
  color: var(--ink-soft); cursor: pointer;
  transition: border-color .12s, color .12s, background .12s;
}
.theme-toggle:hover { border-color: var(--green-500); color: var(--green-700); background: var(--green-100); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
}

/* ---------- Dark-theme contrast fixes ---------- */

:root[data-theme="dark"] .calc-card:nth-child(3n) .icon-tile,
:root[data-theme="dark"] .feat:nth-child(3) .icon-tile { color: #DDB96A; }
:root[data-theme="dark"] input[type="number"].invalid { background: #3A2119; }
:root[data-theme="dark"] .skip-link { background: #2C5C43; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .calc-card:nth-child(3n) .icon-tile,
  :root:not([data-theme="light"]) .feat:nth-child(3) .icon-tile { color: #DDB96A; }
  :root:not([data-theme="light"]) input[type="number"].invalid { background: #3A2119; }
}

/* ---------- Language picker ---------- */
.lang-picker { position: relative; flex-shrink: 0; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 13px; font-weight: 600;
  color: var(--ink-soft); background: transparent;
  border: 1.5px solid var(--line); border-radius: 9px;
  padding: 7px 10px; cursor: pointer;
  transition: border-color .12s, color .12s, background .12s;
}
.lang-btn:hover { border-color: var(--green-500); color: var(--green-700); }
.lang-btn svg { width: 15px; height: 15px; }
.lang-btn .chev { width: 12px; height: 12px; transition: transform .15s ease; }
.lang-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
.lang-popover {
  position: absolute; right: 0; top: calc(100% + 8px); z-index: 60;
  min-width: 172px; padding: 6px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; box-shadow: var(--shadow-2);
  display: flex; flex-direction: column; gap: 1px;
}
.lang-popover[hidden] { display: none; }

/* scroll-to-top */
.to-top {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--green-800); color: #F3F7EE;
  border: none; cursor: pointer; display: grid; place-items: center;
  box-shadow: var(--shadow-2);
  opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: none; }
.to-top:hover { background: var(--green-700); }
.to-top svg { width: 20px; height: 20px; }
.lang-popover a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-radius: 8px;
  color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 500;
}
.lang-popover a:hover { background: var(--green-100); color: var(--green-text); }
.lang-popover a[aria-current="true"] { font-weight: 700; color: var(--green-text); background: var(--green-100); }
.lang-popover a[aria-current="true"]::after { content: "✓"; font-size: 12px; }

/* ---------- Page load transition ---------- */
@keyframes pageRise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
main { animation: pageRise .32s ease-out both; }
.hero-grid > * { animation: pageRise .45s ease-out both; }
.hero-grid > *:nth-child(2) { animation-delay: .08s; }

/* ---------- Breadcrumbs (clearer home return) ---------- */
.crumbs { font-size: 14px; gap: 8px; }
.crumbs a:first-child {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; color: var(--green-700);
  background: var(--green-100); border: 1px solid var(--green-200);
  padding: 4px 12px 4px 9px; border-radius: 999px;
  text-decoration: none;
}
.crumbs a:first-child:hover { background: var(--card); border-color: var(--green-500); }
.crumbs a:first-child svg { width: 14px; height: 14px; flex-shrink: 0; }

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 10px 24px 16px; box-shadow: var(--shadow-2);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 11px 8px; font-size: 16px; }
}

@media (max-width: 640px) {
  .header-inner { gap: 8px; min-height: 58px; }
  .brand svg { width: 28px; height: 28px; }
  .brand-word { font-size: 19px; }
  .lang-btn { padding: 6px 8px; font-size: 12px; }
  .theme-toggle { width: 34px; height: 34px; }
  .nav-toggle { padding: 7px 8px; }
  .result-mini { top: 60px; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative; overflow: hidden;
  background:
    url('../img/contour.svg') center -40px / 720px auto repeat-x,
    linear-gradient(180deg, var(--paper-2) 0%, var(--paper) 55%);
}

.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: 48px; align-items: center;
  padding: 64px 0 72px;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--amber-soft); color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--amber) 45%, transparent);
  font-size: 13.5px; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 13px; border-radius: 999px;
}
.eyebrow svg { width: 15px; height: 15px; }

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 54px);
  line-height: 1.08; letter-spacing: -.015em;
  font-weight: 600;
  margin: 18px 0 16px;
}
.hero h1 .accent { color: var(--green-600); font-style: italic; font-weight: 500; }

.hero-lede {
  font-size: 18.5px; color: var(--ink-soft);
  max-width: 34em; margin: 0 0 28px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 16px;
  padding: 13px 24px; border-radius: 10px;
  text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn svg { width: 17px; height: 17px; }
.btn-solid {
  background: var(--terra); color: #FFF7EE; border-color: var(--terra);
  box-shadow: var(--shadow-1);
}
.btn-solid:hover { background: var(--terra-dark); color: #FFF7EE; transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--green-text);
  border-color: var(--green-600);
}
.btn-ghost:hover { background: var(--green-100); color: var(--green-text); transform: translateY(-1px); }

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 6px 22px;
  margin-top: 26px; font-size: 14px; color: var(--ink-soft);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 15px; height: 15px; color: var(--green-600); flex-shrink: 0; }

.hero-art { position: relative; }
.hero-art svg { display: block; width: 100%; }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; padding: 44px 0 52px; gap: 34px; }
  .hero-art { max-width: 480px; }
}

/* ---------- Sections ---------- */

.section { padding: 58px 0; }
.section.tinted { background: var(--paper-2); }

.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; margin-bottom: 30px;
}
.section-head h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.01em;
  margin: 0; line-height: 1.15;
}
.section-head .more { flex-shrink: 0; font-weight: 600; font-size: 15px; }
.section-sub { color: var(--ink-soft); max-width: 46em; margin: 8px 0 0; }

/* ---------- Card grids ---------- */

.card-grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 960px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .card-grid { grid-template-columns: 1fr; } }

.calc-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 22px 22px 18px;
  text-decoration: none; color: var(--ink);
  box-shadow: var(--shadow-1);
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
  position: relative; overflow: hidden;
}
.calc-card::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-700));
  transform: scaleX(0); transform-origin: left;
  transition: transform .18s ease;
}
.calc-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-2);
  border-color: var(--green-200); color: var(--ink);
}
.calc-card:hover::after { transform: scaleX(1); }

.calc-card .icon-tile {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--green-100); color: var(--green-700);
}
.calc-card:nth-child(3n+2) .icon-tile { background: var(--terra-soft); color: var(--terra-dark); }
.calc-card:nth-child(3n) .icon-tile { background: var(--amber-soft); color: #8A6516; }
.calc-card .icon-tile svg { width: 24px; height: 24px; }

.calc-card h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 19.5px; line-height: 1.25; margin: 2px 0 0;
}
.calc-card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; flex-grow: 1; }
.calc-card .go {
  font-size: 14px; font-weight: 600; color: var(--green-700);
  display: inline-flex; align-items: center; gap: 6px; margin-top: 4px;
}
.calc-card .go svg { width: 15px; height: 15px; transition: transform .14s ease; }
.calc-card:hover .go svg { transform: translateX(3px); }

/* Feature cards (Why section) */

.eyebrow {
  font-size: 12.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: var(--terra-dark); margin: 0 0 6px;
}

.feat-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .feat-grid { grid-template-columns: 1fr; } }

.feat {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 10px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 28px 24px 22px;
  box-shadow: var(--shadow-1);
  transition: transform .14s ease, box-shadow .14s ease, border-color .14s ease;
}
.feat::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--green-500), var(--green-700));
}
.feat:nth-child(2)::before { background: linear-gradient(90deg, var(--terra), var(--terra-dark)); }
.feat:nth-child(3)::before { background: linear-gradient(90deg, var(--amber), #B58424); }
.feat:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--green-200); }
.feat .icon-tile {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--green-100); color: var(--green-700);
}
.feat:nth-child(2) .icon-tile { background: var(--terra-soft); color: var(--terra-dark); }
.feat:nth-child(3) .icon-tile { background: var(--amber-soft); color: #8A6516; }
.feat .icon-tile svg { width: 24px; height: 24px; }
.feat h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 19.5px; line-height: 1.25; margin: 2px 0 0;
}
.feat p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.55; }
.feat-num {
  position: absolute; top: 16px; right: 20px;
  font-family: var(--font-display); font-weight: 600; font-size: 32px; line-height: 1;
  color: color-mix(in srgb, var(--ink) 14%, var(--card));
}

/* Directory category headings + jump chips */
#directory h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(22px, 2.6vw, 28px); letter-spacing: -.01em;
  margin: 8px 0 0; line-height: 1.15; position: relative; padding-bottom: 10px;
}
#directory h2::after {
  content: ""; position: absolute; left: 1px; bottom: 0;
  width: 34px; height: 3px; border-radius: 2px;
  background: linear-gradient(90deg, var(--terra), var(--amber));
}
#directory h2:first-of-type { margin-top: 0; }

/* Category strip on home */
.cat-strip {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 26px;
}
@media (max-width: 960px) { .cat-strip { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .cat-strip { grid-template-columns: repeat(2, 1fr); } }
.cat-chip {
  text-align: center; text-decoration: none; color: var(--ink-soft);
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 7px 8px; font-size: 12.5px; font-weight: 600;
  transition: border-color .14s, color .14s, transform .14s;
}
.cat-chip:hover { border-color: var(--green-500); color: var(--green-text); transform: translateY(-2px); }

/* ---------- Page (article) layout ---------- */

.page-hero { padding: 42px 0 8px; }
.crumbs {
  font-size: 13.5px; color: var(--ink-soft);
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  margin-bottom: 18px;
}
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--green-700); text-decoration: underline; }
.crumbs .sep { opacity: .5; }

.page-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(30px, 4.2vw, 44px); line-height: 1.12; letter-spacing: -.015em;
  margin: 0 0 14px; max-width: 20em;
}
.page-lead { font-size: 18px; color: var(--ink-soft); max-width: 44em; margin: 0 0 10px; }

.prose { max-width: 760px; }
.prose h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(23px, 3vw, 30px); line-height: 1.2; letter-spacing: -.01em;
  margin: 46px 0 14px;
}
.prose h3 { font-size: 19px; font-weight: 700; margin: 30px 0 10px; }
.prose p { margin: 0 0 16px; }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 24px; }
.prose li { margin-bottom: 7px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 6px 0 22px; }
.prose th, .prose td {
  text-align: left; padding: 9px 12px;
  border-bottom: 1px solid var(--line);
}
.prose th {
  font-weight: 700; font-size: 13.5px; letter-spacing: .03em; text-transform: uppercase;
  color: var(--ink-soft); border-bottom: 2px solid var(--line);
}
.prose tbody tr:nth-child(even) { background: color-mix(in srgb, var(--paper-2) 55%, transparent); }
@media (max-width: 640px) {
  .prose table { display: block; overflow-x: auto; white-space: nowrap; }
}

.note-box {
  border-left: 4px solid var(--amber);
  background: var(--amber-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px; margin: 18px 0 22px; font-size: 15px;
}
.note-box strong { color: var(--ink); }

.formula-box {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 20px; margin: 8px 0 22px;
  font-size: 15.5px; overflow-x: auto;
}
.formula-box .math {
  font-family: 'Cambria Math', Cambria, Georgia, serif;
  font-size: 17px; display: block; margin-top: 6px; white-space: nowrap;
}

/* ---------- Calculator tool ---------- */

.tool-layout {
  display: grid; grid-template-columns: 1.04fr .96fr;
  gap: 24px; align-items: start; margin: 26px 0 10px;
}
@media (max-width: 980px) { .tool-layout { grid-template-columns: 1fr; } }

/* mobile sticky result summary — visible while the form is on screen */
.result-mini { display: none; }
@media (max-width: 980px) {
  .result-mini {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    position: sticky; top: 68px; z-index: 40;
    grid-column: 1 / -1; order: -1;
    background: color-mix(in srgb, var(--card) 94%, transparent);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--line); border-radius: 12px;
    padding: 10px 14px; margin-bottom: 2px;
    box-shadow: var(--shadow-1);
  }
  .result-mini .mini-label {
    font-size: 11.5px; font-weight: 700; letter-spacing: .05em;
    text-transform: uppercase; color: var(--green-700);
  }
  .result-mini .mini-value {
    font-family: var(--font-display); font-weight: 600;
    font-size: 19px; line-height: 1.1; text-align: right;
  }
  .result-mini .mini-sub { display: block; font-family: var(--font-body); font-size: 12px; color: var(--ink-soft); }
}

.tool-card, .result-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-1);
}

.tool-card { padding: 26px 26px 22px; }

.tool-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; margin-bottom: 20px;
}
.tool-title {
  font-family: var(--font-display); font-weight: 600; font-size: 22px; margin: 0;
  display: flex; align-items: center; gap: 11px;
}
.tool-title .icon-tile {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--green-100); color: var(--green-700);
}
.tool-title .icon-tile svg { width: 22px; height: 22px; }

.unit-switch {
  display: inline-flex; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px;
}
.unit-switch button {
  font: inherit; font-size: 13px; font-weight: 600;
  border: 0; background: transparent; color: var(--ink-soft);
  padding: 5px 14px; border-radius: 999px; cursor: pointer;
}
.unit-switch button[aria-pressed="true"] {
  background: var(--green-800); color: #F3F7EE;
}

.seg {
  display: flex; gap: 4px; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 10px; padding: 4px;
  margin-bottom: 18px;
}
.seg button {
  flex: 1; font: inherit; font-size: 14px; font-weight: 600;
  border: 0; border-radius: 7px; padding: 8px 6px;
  background: transparent; color: var(--ink-soft); cursor: pointer;
}
.seg button[aria-pressed="true"] {
  background: var(--card); color: var(--green-text);
  box-shadow: var(--shadow-1);
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px) { .field-row { grid-template-columns: 1fr; } }

.field { margin-bottom: 15px; }
.field label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13.5px; font-weight: 600; color: var(--ink-soft);
  margin-bottom: 6px; letter-spacing: .01em;
}
.field .hint { font-weight: 400; font-size: 12.5px; color: var(--ink-soft); opacity: .85; }
.input-wrap { display: flex; gap: 0; }
.input-wrap .unit {
  display: grid; place-items: center;
  min-width: 58px; padding: 0 12px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-soft);
  background: var(--paper-2); border: 1.5px solid var(--line);
  border-left: 0; border-radius: 0 9px 9px 0;
}
input[type="number"], input[type="text"], select {
  width: 100%; font: inherit; font-size: 16.5px; font-weight: 500;
  color: var(--ink); background: var(--paper);
  border: 1.5px solid var(--line); border-radius: 9px 0 0 9px;
  padding: 11px 14px; min-width: 0;
}
select { border-radius: 9px; }
input[type="number"]:focus, select:focus { outline: none; border-color: var(--green-500); }
.input-wrap:focus-within .unit { border-color: var(--green-500); }
input[type="number"].invalid { border-color: #C33A22; background: #FBEFEA; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; appearance: textfield; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font: inherit; font-size: 14px; font-weight: 600;
  border: 1.5px solid var(--line); background: var(--card);
  color: var(--ink-soft); border-radius: 999px;
  padding: 6px 14px; cursor: pointer;
  transition: border-color .12s, color .12s, background .12s;
}
.chip:hover { border-color: var(--green-500); color: var(--green-700); }
.chip[aria-pressed="true"] {
  background: var(--green-800); border-color: var(--green-800); color: #F3F7EE;
}

.check-row {
  display: flex; align-items: center; gap: 10px;
  margin: 4px 0 16px; font-size: 15px; color: var(--ink);
  user-select: none; cursor: pointer;
}
.check-row input {
  width: 19px; height: 19px; accent-color: var(--green-700);
  cursor: pointer; flex-shrink: 0;
}

.subhead {
  font-size: 13.5px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: var(--ink-soft); margin: 22px 0 10px;
  display: flex; align-items: center; gap: 10px;
}
.subhead::after { content: ""; height: 1px; background: var(--line); flex: 1; }

details.cost-panel { margin: 6px 0 14px; border: 1.5px dashed var(--line); border-radius: 10px; }
details.cost-panel summary {
  cursor: pointer; padding: 11px 16px; font-weight: 600; font-size: 14.5px;
  color: var(--green-text); list-style: none;
  display: flex; align-items: center; gap: 8px;
}
details.cost-panel summary::-webkit-details-marker { display: none; }
details.cost-panel summary svg { width: 16px; height: 16px; transition: transform .15s; }
details.cost-panel[open] summary svg { transform: rotate(90deg); }
details.cost-panel .cost-body { padding: 2px 16px 16px; }

.tool-actions { display: flex; gap: 10px; margin-top: 6px; }
.btn-small {
  font: inherit; font-weight: 600; font-size: 14px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--ink-soft);
  border-radius: 9px; padding: 9px 16px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
}
.btn-small:hover { border-color: var(--green-500); color: var(--green-700); }
.btn-small svg { width: 15px; height: 15px; }

/* Results */

.result-card {
  padding: 24px 26px;
  position: sticky; top: 86px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--green-100) 40%, var(--card)) 0%, var(--card) 140px),
    var(--card);
}
@media (max-width: 980px) { .result-card { position: static; } }

.result-label {
  font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--green-700);
}
.result-big {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(38px, 5vw, 52px); line-height: 1.05; letter-spacing: -.02em;
  margin: 4px 0 2px;
}
.result-big small {
  font-size: .38em; font-weight: 600; letter-spacing: 0;
  color: var(--ink-soft); margin-left: 6px;
}
.result-alt { color: var(--ink-soft); font-size: 15.5px; margin: 0 0 18px; }
.result-alt strong { color: var(--ink); font-size: 17px; }

.stat-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0 4px;
}
.stat {
  background: var(--paper-2); border: 1px solid var(--line-soft);
  border-radius: 10px; padding: 12px 14px;
}
.stat .k { font-size: 12.5px; font-weight: 600; color: var(--ink-soft); }
.stat .v { font-size: 19px; font-weight: 700; margin-top: 2px; }
.stat .v small { font-size: 13px; font-weight: 600; color: var(--ink-soft); }

.result-table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 14px 0 4px; }
.result-table td { padding: 8px 4px; border-bottom: 1px dashed var(--line); }
.result-table td:last-child { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

.how-line {
  font-size: 13.5px; color: var(--ink-soft); margin-top: 14px;
  background: var(--paper-2); border-radius: 8px; padding: 10px 12px;
  line-height: 1.5; overflow-wrap: anywhere;
}
.how-line code {
  font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
  font-size: 12.5px; color: var(--green-text);
}

.result-note { font-size: 13px; color: var(--ink-soft); margin-top: 14px; }
.result-note a { color: var(--green-700); }

/* ---------- FAQ ---------- */

.faq-list { max-width: 760px; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; list-style: none;
  padding: 16px 20px; font-weight: 600; font-size: 16.5px;
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
  scroll-margin-top: 92px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .tw {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: var(--green-100); color: var(--green-700);
  display: grid; place-items: center; position: relative;
  transition: background .16s, color .16s;
}
.faq-item summary .tw::before {
  content: ""; position: absolute;
  width: 7px; height: 7px;
  border-right: 2.2px solid currentColor; border-bottom: 2.2px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform .16s ease;
}
.faq-item[open] summary .tw { background: var(--terra); color: #FFF7EE; }
.faq-item[open] summary .tw::before { transform: rotate(225deg) translate(-1px, -1px); }
.faq-item .faq-a { padding: 0 20px 18px; color: var(--ink-soft); max-width: 44em; }
.faq-item .faq-a p { margin: 0 0 10px; }
.faq-item .faq-a p:last-child { margin: 0; }

/* ---------- Related ---------- */

.related-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
@media (max-width: 960px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .related-grid { grid-template-columns: 1fr; } }
.related-grid .calc-card { padding: 16px 16px 13px; }
.related-grid .calc-card .icon-tile { width: 38px; height: 38px; }
.related-grid .calc-card h3 { font-size: 16.5px; }
.related-grid .calc-card p { display: none; }

/* ---------- Ad slots (inactive until code is pasted) ---------- */
.ad-slot:not(:empty) {
  margin: 30px auto 10px; text-align: center;
  max-width: 100%; overflow-x: clip;
}
.ad-slot[data-ad$="-top"]:not(:empty) { max-width: 780px; }
.ad-slot[data-ad$="-mid"]:not(:empty) { max-width: 780px; margin: 36px auto 8px; }
.ad-slot:not(:empty)::before {
  content: "advertisement";
  display: block; font-size: 10px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-soft); opacity: .6; margin-bottom: 6px;
}
.ad-slot:not(:empty) > * { margin-inline: auto; }
@media (max-width: 640px) {
  .ad-slot:not(:empty) { margin-inline: -6px; }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--green-950); color: #C8D4C3;
  margin-top: 40px; padding: 52px 0 34px;
  font-size: 14.5px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #F0EFE2; margin-bottom: 12px; }
.footer-brand svg { width: 30px; height: 30px; }
.footer-brand .brand-word { font-size: 20px; }
.footer-brand .brand-word em { color: #7FBF93; }
.footer-desc { max-width: 30em; line-height: 1.6; color: #9DB49B; }
.site-footer h4 {
  color: #F0EFE2; font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  margin: 4px 0 14px; font-weight: 700;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer a { color: #C8D4C3; text-decoration: none; }
.site-footer a:hover { color: #FFF; text-decoration: underline; }

.footer-legal {
  border-top: 1px solid rgba(255,255,255,.12);
  margin-top: 40px; padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: space-between;
  font-size: 13px; color: #8FA38E;
}
.footer-legal a { color: #AABFA9; }

/* ---------- Legal pages ---------- */
.legal-body { max-width: 760px; }
.legal-body h2 { font-size: 21px; margin: 34px 0 10px; font-family: var(--font-display); font-weight: 600; }
.legal-body p, .legal-body li { color: var(--ink-soft); }
.legal-updated { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 26px; }

/* ---------- 404 ---------- */
.error-wrap { text-align: center; padding: 90px 0 80px; }
.error-wrap .code {
  font-family: var(--font-display); font-size: 90px; font-weight: 600;
  color: var(--green-600); line-height: 1; margin-bottom: 8px;
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .hero-trust, .tool-actions, .ad-slot,
  .faq-list, .related-section, .crumbs, .unit-switch { display: none !important; }
  body { background: #fff; color: #000; font-size: 13px; }
  .tool-card, .result-card { box-shadow: none; border: 1px solid #999; break-inside: avoid; }
  .result-card { position: static; }
  a { color: #000; text-decoration: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}