:root {
  --bg: #efe7db;
  --bg-soft: #f7f3ec;
  --panel: rgba(255, 252, 246, 0.9);
  --panel-strong: #fffdf8;
  --text: #172126;
  --text-soft: #5c6870;
  --line: rgba(23, 33, 38, 0.1);
  --line-strong: rgba(23, 33, 38, 0.18);
  --accent: #0f766e;
  --accent-strong: #0a5d57;
  --accent-soft: rgba(15, 118, 110, 0.11);
  --signal: #c75b39;
  --signal-soft: rgba(199, 91, 57, 0.12);
  --shadow: 0 28px 70px rgba(20, 24, 36, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100% - 32px));
  --font-display: "Avenir Next", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI Variable Text", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(199, 91, 57, 0.12), transparent 26%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.18), transparent 24%),
    linear-gradient(180deg, #f4ede3 0%, #efe7db 38%, #f8f4ee 100%);
  font-family: var(--font-body);
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

button {
  cursor: pointer;
}

.shell {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(247, 243, 236, 0.85);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 18px 50px rgba(20, 24, 36, 0.06);
  background: rgba(250, 247, 241, 0.92);
}

.header-row {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.18), rgba(15, 118, 110, 0.02)),
    linear-gradient(135deg, rgba(199, 91, 57, 0.08), rgba(199, 91, 57, 0));
  border: 1px solid rgba(15, 118, 110, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-copy {
  min-width: 0;
}

.brand-title {
  display: block;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: 0.01em;
  font-weight: 750;
}

.brand-subtitle {
  display: block;
  margin: 3px 0 0;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.nav-shell {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.55);
  color: var(--text);
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle span {
  margin: 4px auto;
}

.nav-toggle[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a,
.lang-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.95rem;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.site-nav a:hover,
.lang-switch a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.65);
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 33, 38, 0.07);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--line);
}

.lang-switch a[aria-current="true"] {
  color: var(--text);
  background: rgba(15, 118, 110, 0.12);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 38px 0 18px;
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: 42px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 255, 255, 0.22), transparent 24%),
    radial-gradient(circle at 12% 20%, rgba(199, 91, 57, 0.22), transparent 24%),
    linear-gradient(135deg, #13232a 0%, #1a2f38 54%, #0f766e 100%);
  box-shadow: 0 32px 80px rgba(20, 24, 36, 0.18);
  color: #f6fbfb;
}

.hero-card::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -140px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow:
    0 0 0 38px rgba(255, 255, 255, 0.05),
    0 0 0 78px rgba(255, 255, 255, 0.03),
    0 0 0 120px rgba(255, 255, 255, 0.02);
}

.hero-grid {
  position: relative;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1.28fr) minmax(300px, 0.84fr);
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(246, 251, 251, 0.82);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e4a17e;
  box-shadow: 0 0 0 6px rgba(228, 161, 126, 0.14);
}

.hero-title {
  margin: 20px 0 0;
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.hero-copy {
  margin: 18px 0 0;
  max-width: 62ch;
  color: rgba(246, 251, 251, 0.82);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
.button-secondary,
.button-ghost,
.tool-chip,
.inline-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 650;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button-secondary:hover,
.button-ghost:hover,
.inline-button:hover {
  transform: translateY(-1px);
}

.button {
  background: #f7fbfb;
  color: #112128;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: #f7fbfb;
  border-color: rgba(255, 255, 255, 0.18);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.62);
  color: var(--text);
  border-color: rgba(23, 33, 38, 0.08);
}

.hero-aside {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
}

.metric-stack {
  display: grid;
  gap: 14px;
}

.metric-card,
.info-card,
.tool-card,
.content-card,
.note-card,
.faq-card,
.mini-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 18px 18px 16px;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: none;
}

.metric-label {
  color: rgba(246, 251, 251, 0.78);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric-value {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1;
}

.metric-caption {
  margin: 8px 0 0;
  color: rgba(246, 251, 251, 0.72);
  font-size: 0.92rem;
}

.hero-note {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(246, 251, 251, 0.84);
}

.hero-note strong {
  color: #fffdf9;
}

.section {
  padding: 26px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 0.84rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.section-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.section-copy {
  max-width: 64ch;
  margin: 10px 0 0;
  color: var(--text-soft);
}

.card-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-card,
.info-card,
.content-card,
.note-card,
.faq-card,
.mini-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid rgba(23, 33, 38, 0.08);
}

.tool-card::before,
.content-card::before,
.mini-card::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, rgba(15, 118, 110, 0.9), rgba(199, 91, 57, 0.6));
}

.tool-mark,
.icon-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--accent);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.16), rgba(15, 118, 110, 0.02));
  border: 1px solid rgba(15, 118, 110, 0.14);
}

.tool-card h3,
.info-card h3,
.content-card h3,
.mini-card h3,
.faq-card h3 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.12;
}

.tool-card p,
.info-card p,
.content-card p,
.mini-card p,
.faq-card p {
  margin: 12px 0 0;
  color: var(--text-soft);
}

.tool-meta,
.chip-row,
.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tool-chip,
.chip {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 700;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  color: var(--text);
  font-weight: 700;
}

.tool-link::after {
  content: "->";
  color: var(--accent);
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.feature-list li,
.check-list li {
  position: relative;
  padding-left: 26px;
}

.feature-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--signal));
  box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.1);
}

.split-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.note-card {
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.14), transparent 32%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.64));
}

.note-card strong {
  color: var(--text);
}

.coming-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.coming-card {
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(23, 33, 38, 0.18);
  background: rgba(255, 255, 255, 0.45);
}

.coming-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.coming-card p {
  margin: 12px 0 0;
  color: var(--text-soft);
}

.faq {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(23, 33, 38, 0.08);
  background: rgba(255, 255, 255, 0.68);
}

.faq summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-display);
}

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

.faq details p {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.cta-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(199, 91, 57, 0.08)),
    rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 33, 38, 0.08);
  box-shadow: var(--shadow);
}

.cta-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.05;
}

.cta-card p {
  margin: 12px 0 0;
  max-width: 56ch;
  color: var(--text-soft);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-hero {
  padding: 34px 0 8px;
}

.page-hero-card {
  padding: 30px 30px 26px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 38, 0.08);
  box-shadow: var(--shadow);
}

.page-hero-title {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 3.1rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.page-hero-copy {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--text-soft);
}

.crumbs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(23, 33, 38, 0.28);
}

.tool-shell {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
  align-items: start;
}

.tool-panel {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 33, 38, 0.08);
  box-shadow: var(--shadow);
}

.tool-panel h2,
.tool-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.1;
}

.tool-intro {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 18px;
  border-radius: 24px;
  border: 1px dashed rgba(23, 33, 38, 0.18);
  background:
    radial-gradient(circle at top, rgba(15, 118, 110, 0.08), transparent 40%),
    rgba(247, 243, 236, 0.72);
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.drop-zone.is-over {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.42);
  background:
    radial-gradient(circle at top, rgba(15, 118, 110, 0.14), transparent 40%),
    rgba(244, 250, 248, 0.92);
}

.drop-zone-inner {
  max-width: 480px;
  text-align: center;
}

.drop-mark {
  width: 68px;
  height: 68px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(20, 24, 36, 0.08);
}

.drop-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.55rem;
}

.drop-copy {
  margin: 10px 0 18px;
  color: var(--text-soft);
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-group {
  display: grid;
  gap: 6px;
}

.field-group label,
.field-legend {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
}

.field-group input,
.field-group select,
.field-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(23, 33, 38, 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.field-group textarea {
  min-height: 210px;
  resize: vertical;
}

.field-group input:focus,
.field-group select:focus,
.field-group textarea:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.1);
}

.range-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.range-row output {
  min-width: 58px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-strong);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.94rem;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.button-tool {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  background: var(--accent);
  color: #f8fffe;
  transition: transform 160ms ease, background-color 160ms ease, opacity 160ms ease;
}

.button-tool:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
}

.button-tool.is-secondary {
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  border-color: rgba(23, 33, 38, 0.1);
}

.button-tool:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  transform: none;
}

.status-line {
  min-height: 22px;
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.tool-hint {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.result-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.result-item {
  display: grid;
  gap: 12px;
  grid-template-columns: 74px minmax(0, 1fr) auto;
  align-items: center;
  padding: 14px;
  border-radius: 18px;
  background: rgba(247, 243, 236, 0.6);
  border: 1px solid rgba(23, 33, 38, 0.07);
}

.thumb {
  width: 74px;
  height: 58px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid rgba(23, 33, 38, 0.08);
  background:
    linear-gradient(45deg, #ece7dd 25%, transparent 25%),
    linear-gradient(-45deg, #ece7dd 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ece7dd 75%),
    linear-gradient(-45deg, transparent 75%, #ece7dd 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
}

.thumb-empty {
  display: grid;
  place-items: center;
  color: var(--text-soft);
  font-size: 0.78rem;
  text-align: center;
}

.result-name {
  margin: 0;
  font-weight: 700;
}

.result-meta,
.result-status {
  margin: 4px 0 0;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.result-status.is-good {
  color: var(--accent-strong);
}

.result-status.is-bad {
  color: #9f3f24;
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: end;
}

.result-actions a,
.result-actions button,
.inline-button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(23, 33, 38, 0.1);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}

.stats-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.stats-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(247, 243, 236, 0.66);
  border: 1px solid rgba(23, 33, 38, 0.07);
}

.stats-label {
  color: var(--text-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stats-value {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
}

.dual-pane {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.helper-box {
  padding: 16px;
  border-radius: 18px;
  background: rgba(247, 243, 236, 0.66);
  border: 1px solid rgba(23, 33, 38, 0.07);
}

.helper-box h3 {
  margin: 0;
  font-size: 1rem;
}

.helper-box p,
.helper-box ul {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.helper-box ul {
  padding-left: 18px;
}

.converter-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.base-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(23, 33, 38, 0.08);
  color: var(--text-soft);
  font-size: 0.84rem;
}

.page-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.4fr);
  align-items: start;
}

.page-prose {
  padding: 26px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(23, 33, 38, 0.08);
  box-shadow: var(--shadow);
}

.page-prose h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.08;
}

.page-prose h3 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.page-prose p,
.page-prose ul,
.page-prose ol {
  margin: 12px 0 0;
  color: var(--text-soft);
}

.page-prose ul,
.page-prose ol {
  padding-left: 20px;
}

.stack {
  display: grid;
  gap: 18px;
}

.side-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(23, 33, 38, 0.08);
  box-shadow: var(--shadow);
}

.side-card h3 {
  margin: 0;
  font-family: var(--font-display);
}

.side-card p,
.side-card ul {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.side-card ul {
  padding-left: 18px;
}

.site-footer {
  padding: 34px 0 44px;
}

.footer-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(0, 0.6fr));
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(23, 33, 38, 0.08);
  box-shadow: var(--shadow);
}

.footer-grid h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
}

.footer-grid p,
.footer-grid ul {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.footer-grid ul {
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.footnote-link {
  color: var(--accent);
  font-weight: 700;
}

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

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 420ms ease, transform 420ms ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero-grid,
  .split-grid,
  .tool-shell,
  .page-grid {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 860px) {
  .header-row {
    min-height: 74px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
    margin-left: auto;
  }

  .nav-shell {
    position: fixed;
    inset: 74px 16px auto;
    padding: 16px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(23, 33, 38, 0.08);
    box-shadow: 0 28px 70px rgba(20, 24, 36, 0.14);
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-shell.is-open {
    display: flex;
  }

  .site-nav,
  .lang-switch {
    width: 100%;
  }

  .site-nav {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav a,
  .lang-switch a {
    justify-content: flex-start;
  }

  .lang-switch {
    padding: 8px;
    border-radius: 18px;
  }

  .hero-card,
  .page-hero-card,
  .cta-card,
  .tool-panel,
  .page-prose,
  .side-card,
  .footer-grid {
    padding: 24px;
  }

  .hero-title {
    max-width: none;
  }

  .field-row,
  .dual-pane,
  .converter-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 20px, 1180px);
  }

  .hero {
    padding-top: 24px;
  }

  .hero-card {
    padding: 24px;
  }

  .hero-actions,
  .cta-actions,
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

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

  .section-head {
    display: block;
  }

  .result-item {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .result-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
}