@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("/assets/fonts/plus-jakarta-sans.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/instrument-serif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("/assets/fonts/instrument-serif-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  color-scheme: light;
  --font-sans: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Palatino, Georgia, serif;
  --bg: #f7f5ef;
  --bg-tint: #efece2;
  --surface: #fffdf8;
  --surface-2: #f2eee3;
  --field: #ffffff;
  --ink: #10231f;
  --ink-soft: #344a43;
  --muted: #69736d;
  --line: #e1dccf;
  --line-strong: #cbc4b3;
  --accent: #0e6b57;
  --accent-hover: #0a5444;
  --accent-soft: #dff0e8;
  --accent-ink: #f7fffb;
  --amber: #c07a1c;
  --amber-soft: #f8ecd8;
  --danger: #a42a1d;
  --danger-soft: #fbe9e6;
  --shadow-sm: 0 1px 2px rgba(16, 35, 31, 0.05);
  --shadow-md: 0 1px 2px rgba(16, 35, 31, 0.04), 0 18px 44px -26px rgba(16, 35, 31, 0.32);
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1160px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1512;
  --bg-tint: #0f1d18;
  --surface: #10201b;
  --surface-2: #15271f;
  --field: #0d1a16;
  --ink: #eef6f0;
  --ink-soft: #d2e1d9;
  --muted: #9dafa6;
  --line: #223a30;
  --line-strong: #345446;
  --accent: #4fbf9f;
  --accent-hover: #6fd3b6;
  --accent-soft: #143a2e;
  --accent-ink: #06251c;
  --amber: #e2ac5e;
  --amber-soft: #332615;
  --danger: #f09286;
  --danger-soft: #3a1c18;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, 0.25), 0 24px 50px -30px rgba(0, 0, 0, 0.8);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
}

p {
  margin: 0;
}

button,
select,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}

.eyebrow {
  margin-bottom: 9px;
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.lead {
  max-width: 66ch;
  color: var(--muted);
  font-size: 1.05rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 19px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  border-color: var(--line-strong);
  background: var(--surface);
  color: var(--ink-soft);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-small {
  padding: 8px 13px;
  font-size: 12.5px;
  border-radius: 9px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}

.btn-ghost:hover {
  border-color: var(--line);
  background: var(--surface-2);
  color: var(--accent);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.3) blur(14px);
  -webkit-backdrop-filter: saturate(1.3) blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}

.brand-mark .mark {
  width: 22px;
  height: 22px;
}

.brand-name {
  font-family: var(--font-sans);
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.main-nav::-webkit-scrollbar {
  display: none;
}

.main-nav a {
  flex-shrink: 0;
  padding: 8px 11px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 13.5px;
  font-weight: 600;
  transition: color 0.15s ease, background 0.15s ease;
}

.main-nav a:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.main-nav a[aria-current="page"] {
  color: var(--accent);
  background: var(--accent-soft);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--ink-soft);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-icon {
  display: inline-flex;
}

.theme-icon svg {
  width: 18px;
  height: 18px;
}

html[data-theme="dark"] .theme-icon-sun {
  display: none;
}

.theme-icon-moon {
  display: none;
}

html[data-theme="dark"] .theme-icon-moon {
  display: inline-flex;
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: 66px 48px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -160px -10% auto auto;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft), transparent 68%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 56px;
  align-items: center;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(2.9rem, 6vw, 4.9rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.hero h1 em {
  color: var(--accent);
  font-style: italic;
}

.hero .lead {
  margin-top: 20px;
}

.hero-search {
  max-width: 520px;
  margin-top: 26px;
}

.hero-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}

.hero-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.hero-list {
  display: flex;
  flex-direction: column;
}

.hero-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.15s ease;
}

.hero-list a:last-child {
  border-bottom: 0;
}

.hero-list a:hover {
  color: var(--accent);
}

.hero-list a > span {
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.hero-list a > strong {
  flex: 1;
  font-weight: 600;
}

.hero-list a svg {
  width: 15px;
  height: 15px;
  color: var(--accent);
}

/* Sections */

.section {
  padding-block: 52px;
}

.section-tinted {
  border-block: 1px solid var(--line);
  background: var(--bg-tint);
}

.section-head {
  max-width: 760px;
  margin-bottom: 24px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  line-height: 1.08;
}

.section-head p:not(.eyebrow) {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.96rem;
}

/* Search */

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--field);
  color: var(--muted);
  box-shadow: var(--shadow-sm);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-box svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.search-box input {
  width: 100%;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 14.5px;
}

.search-box input::placeholder {
  color: var(--muted);
}

.page-search {
  max-width: 460px;
  margin-top: 22px;
}

/* Calculator cards */

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.calc-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.calc-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.calc-tag {
  align-self: flex-start;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.calc-card h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.calc-card p {
  flex: 1;
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.55;
}

.calc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 700;
}

.calc-link svg {
  width: 14px;
  height: 14px;
}

.calc-count {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 12.5px;
}

.empty-state {
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

/* Category cards */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px 46px 18px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  transition: border-color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.category-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.category-index {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.category-name {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.category-count {
  color: var(--muted);
  font-size: 12px;
}

.category-arrow {
  position: absolute;
  top: 50%;
  right: 16px;
  color: var(--accent);
  opacity: 0;
  transform: translate(-4px, -50%);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.category-arrow svg {
  width: 17px;
  height: 17px;
}

.category-card:hover .category-arrow {
  opacity: 1;
  transform: translate(0, -50%);
}

/* Features */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
}

.feature-icon svg {
  width: 17px;
  height: 17px;
}

.feature-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.feature-card p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Page head + breadcrumbs */

.breadcrumbs {
  padding-top: 26px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 7px;
  color: var(--line-strong);
}

.breadcrumbs a:hover {
  color: var(--accent);
}

.page-head {
  padding-block: 26px 12px;
}

.page-head h1 {
  max-width: 22ch;
  font-size: clamp(2.3rem, 5vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.page-head .lead {
  margin-top: 14px;
}

/* Calculator page */

.calc-head h1 {
  max-width: 26ch;
}

.calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 20px;
  align-items: start;
  margin-top: 18px;
}

.calc-form-card,
.calc-result-card {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.calc-result-card {
  position: sticky;
  top: 92px;
  background: var(--surface-2);
}

.calc-form-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.calc-form-head h2 {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.field-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.field,
.input-wrap,
.field select,
.calc-result {
  min-width: 0;
}

.field-full {
  grid-column: 1 / -1;
}

.field > label {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-soft);
  font-size: 12.5px;
  font-weight: 600;
}

.field-help {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.input-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--field);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.input-wrap input,
.field select {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  outline: none;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.field select {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--field);
  cursor: pointer;
}

.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.input-prefix,
.input-suffix {
  flex-shrink: 0;
  padding-inline: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.input-prefix {
  padding-right: 0;
}

.input-suffix {
  padding-left: 0;
  padding-right: 12px;
}

.field-check {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.switch {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  cursor: pointer;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.switch-track {
  position: relative;
  width: 38px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 999px;
  background: var(--line-strong);
  transition: background 0.16s ease;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.16s ease;
}

.switch input:checked + .switch-track {
  background: var(--accent);
}

.switch input:checked + .switch-track::after {
  transform: translateX(16px);
}

.switch input:focus-visible + .switch-track {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.switch-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 18px;
}

.form-actions .btn:first-child {
  flex: 1;
}

/* Results */

.calc-result {
  min-height: 120px;
}

.result-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.result-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.result-card:first-child {
  border-color: transparent;
  background: var(--accent);
  color: var(--accent-ink);
}

.result-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0.78;
}

.result-value {
  font-family: var(--font-sans);
  font-size: 1.13rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.25;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.result-hint {
  font-size: 10.5px;
  opacity: 0.75;
}

.result-bar {
  margin: 6px 0 16px;
}

.bar-track {
  display: flex;
  width: 100%;
  height: 11px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--line);
}

.bar-segment {
  display: block;
  height: 100%;
}

.bar-segment:nth-child(1) {
  background: var(--accent);
}

.bar-segment:nth-child(2) {
  background: var(--amber);
}

.bar-segment:nth-child(3) {
  background: var(--line-strong);
}

.bar-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 8px;
}

.bar-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 10.5px;
}

.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.legend-2 {
  background: var(--amber);
}

.legend-3 {
  background: var(--line-strong);
}

.result-details {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.result-details h3 {
  margin-bottom: 6px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.result-details dl {
  margin: 0;
}

.result-details dl > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-block: 6px;
  border-bottom: 1px dashed var(--line);
  font-size: 12.5px;
}

.result-details dl > div:last-child {
  border-bottom: 0;
}

.result-details dt {
  color: var(--muted);
}

.result-details dd {
  margin: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.result-note {
  margin-top: 12px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.calc-warning {
  margin-bottom: 12px;
  padding: 11px 13px;
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: 10px;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 12.5px;
}

.schedule {
  margin-top: 14px;
  border-top: 1px solid var(--line);
}

.schedule summary {
  padding-block: 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.schedule,
.schedule .table-wrap {
  min-width: 0;
}

.schedule .table-wrap {
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.schedule table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.schedule th,
.schedule td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

.schedule th:first-child,
.schedule td:first-child,
.schedule th:last-child,
.schedule td:last-child {
  text-align: left;
}

.schedule thead th {
  position: sticky;
  top: 0;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  z-index: 1;
}

/* Info + prose */

.info-section {
  padding-top: 44px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 36px;
  align-items: start;
}

.two-col > div > h2 {
  margin-bottom: 12px;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
}

.prose {
  color: var(--ink-soft);
}

.prose p {
  margin-bottom: 12px;
  font-size: 0.96rem;
}

.prose code {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 5px;
  background: var(--surface-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  color: var(--accent);
}

.prose ul {
  margin: 0 0 14px;
  padding-left: 20px;
}

.prose li {
  margin-block: 6px;
}

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.note-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.note-card h3 {
  margin-bottom: 10px;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 0.88rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
}

.reading {
  max-width: 820px;
}

.reading .prose {
  padding-top: 8px;
}

.reading .prose h2 {
  margin: 30px 0 8px;
  font-size: 1.5rem;
}

/* FAQ */

.faq-section {
  padding-block: 42px;
}

.faq-list {
  max-width: 840px;
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 16px 40px 16px 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 72ch;
  padding-bottom: 16px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Ads */

.ad {
  position: relative;
  margin-block: 26px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.ad-label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ad-native-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  overflow: hidden;
}

.ad-native-body:empty::before {
  content: "Ruang iklan";
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ad-banner {
  max-width: 250px;
  margin-inline: auto;
}

.ad-banner-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  overflow: hidden;
}

.ad-banner-body:empty::before {
  content: "Ruang iklan";
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sponsor-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
  width: 100%;
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: 11px;
  background: var(--surface-2);
  text-align: left;
}

.sponsor-card strong {
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 700;
}

.sponsor-card span {
  color: var(--muted);
  font-size: 12px;
}

.ad-banner .sponsor-card {
  align-items: center;
  padding: 20px 14px;
  text-align: center;
}

/* Footer */

.site-footer {
  margin-top: 20px;
  border-top: 1px solid var(--line);
  background: var(--bg-tint);
  padding-top: 44px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-brand p {
  max-width: 42ch;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
}

.footer-brand .footer-note {
  font-size: 11.5px;
  opacity: 0.86;
}

.footer-col h2 {
  margin-bottom: 10px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer-col a {
  display: block;
  padding-block: 3px;
  color: var(--ink-soft);
  font-size: 13px;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 32px;
  padding-block: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11.5px;
}

/* Toast */

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 90;
  padding: 10px 17px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 12.5px;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 14px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* 404 */

.notfound {
  padding-block: 76px 58px;
  text-align: center;
}

.notfound h1 {
  font-size: clamp(2.3rem, 5vw, 3.4rem);
}

.notfound .lead {
  margin: 12px auto 0;
}

.notfound .hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
  margin-top: 22px;
}

/* Responsive */

@media (max-width: 1040px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero h1 {
    max-width: 15ch;
  }

  .hero-panel {
    max-width: 560px;
  }

  .calc-layout {
    grid-template-columns: 1fr;
  }

  .calc-result-card {
    position: static;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 12px;
    padding-block: 10px;
  }

  .brand {
    order: 1;
  }

  .theme-toggle {
    order: 2;
    margin-left: auto;
    width: 36px;
    height: 36px;
  }

  .main-nav {
    order: 3;
    flex-basis: 100%;
    width: 100%;
    margin-left: 0;
    flex-wrap: wrap;
    gap: 2px 4px;
    overflow: visible;
  }

  .main-nav a {
    padding: 5px 8px;
    font-size: 12.5px;
  }

  .hero {
    padding-block: 40px 30px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 11vw, 3.2rem);
  }

  .section {
    padding-block: 40px;
  }

  .page-head {
    padding-block: 22px 10px;
  }

  .calc-form-card,
  .calc-result-card {
    padding: 20px;
  }

  .ad-banner {
    max-width: 100%;
  }

  .ad-banner-body {
    min-height: 0;
  }

  .footer-grid {
    gap: 24px;
  }

  .footer-bottom {
    margin-top: 24px;
  }
}

@media (max-width: 560px) {
  .container {
    padding-inline: 18px;
  }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .result-cards {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  .category-card {
    padding: 14px 30px 14px 13px;
  }

  .category-name {
    font-size: 0.94rem;
  }

  .calc-grid {
    grid-template-columns: 1fr;
  }

  .hero .lead {
    font-size: 0.98rem;
  }

  .form-actions {
    flex-wrap: wrap;
  }

  .form-actions .btn {
    flex: 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .schedule th,
  .schedule td {
    padding: 6px 8px;
  }
}

@media print {
  .site-header,
  .site-footer,
  .ad,
  .calc-form-card,
  .breadcrumbs,
  .faq-section,
  .info-section,
  .hero-actions,
  .page-search,
  .theme-toggle {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .calc-result-card {
    border: 0;
    box-shadow: none;
    background: #fff;
  }

  .calc-layout {
    display: block;
  }

  .result-card {
    border: 1px solid #ccc;
  }

  .result-card:first-child {
    background: #eef4f1;
    color: #000;
  }
}