:root {
  --ink: #101828;
  --ink-soft: #4b5563;
  --graphite: #111827;
  --charcoal: #1f2937;
  --primary: #047857;
  --primary-text: #047857;
  --ice: #d1fae5;
  --mint-soft: #a7f3d0;
  --mint: #34d399;
  --paper: #fafaf7;
  --white: #ffffff;
  --line: #e5e7eb;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter,
    "Segoe UI",
    system-ui,
    -apple-system,
    sans-serif;
  line-height: 1.6;
}
a {
  color: inherit;
}
img {
  max-width: 100%;
}
button,
input {
  font: inherit;
}
.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--white);
}
.skip-link:focus {
  top: 1rem;
}
.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--primary-text);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.section {
  padding: 5.5rem 0;
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2rem;
}
.section-heading h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.section-heading p {
  max-width: 530px;
  margin: 0.8rem 0 0;
  color: var(--ink-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(209, 250, 229, 0.14);
  background: rgba(17, 24, 39, 0.96);
  backdrop-filter: blur(18px);
}
.nav-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  font-weight: 850;
  letter-spacing: -0.02em;
  color: var(--white);
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  color: var(--white);
  border: 1px solid rgba(209, 250, 229, 0.2);
  background: linear-gradient(145deg, var(--primary), var(--charcoal));
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}
.brand small {
  display: block;
  color: #d1d5db;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-links a {
  color: #d1fae5;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}
.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--white);
}
.language-link {
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(209, 250, 229, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}
.language-link[aria-current="page"] {
  color: var(--white);
  border-color: var(--primary);
  background: var(--primary);
}
.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font-weight: 750;
  color: var(--white);
}

.hero {
  overflow: hidden;
  padding: 6rem 0 4rem;
  background:
    radial-gradient(
      circle at 85% 10%,
      rgba(167, 243, 208, 0.2),
      transparent 24%
    ),
    radial-gradient(circle at 8% 0%, rgba(5, 150, 105, 0.13), transparent 30%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}
.hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(3rem, 6.7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}
.hero h1 span {
  color: var(--primary);
}
.hero-copy {
  max-width: 680px;
  margin: 1.5rem 0 2rem;
  color: var(--ink-soft);
  font-size: 1.15rem;
}
.search-box {
  display: flex;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  box-shadow: 0 15px 45px rgba(19, 39, 75, 0.1);
}
.search-box input {
  min-width: 0;
  flex: 1;
  padding: 0.75rem 1rem;
  border: 0;
  outline: 0;
  background: transparent;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.btn-primary {
  color: var(--white);
  background: var(--primary);
}
.btn-primary:hover {
  background: #065f46;
}
.btn-secondary {
  border-color: var(--line);
  background: var(--white);
}
.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 1.5rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
}
.trust-line span::before {
  content: "✓";
  margin-right: 0.4rem;
  color: #047857;
}
.hero-panel {
  position: relative;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 32px;
  color: var(--white);
  background: linear-gradient(145deg, var(--graphite), var(--charcoal));
  box-shadow: var(--shadow);
  transform: rotate(1.5deg);
}
.hero-panel-inner {
  padding: 1.6rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 23px;
  background: rgba(255, 255, 255, 0.04);
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.3rem;
  color: #d1d5db;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 6px rgba(156, 224, 195, 0.12);
}
.mini-card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem;
  margin-top: 0.7rem;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.08);
}
.mini-logo {
  display: grid;
  place-items: center;
  width: 44px;
  aspect-ratio: 1;
  border-radius: 12px;
  color: var(--graphite);
  background: var(--white);
  font-weight: 900;
}
.mini-card strong,
.mini-card small {
  display: block;
}
.mini-card small {
  color: #9ca3af;
}
.mini-card em {
  color: var(--mint);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.category-card {
  min-height: 180px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  text-decoration: none;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    border-color 0.2s;
}
.category-card:hover {
  transform: translateY(-4px);
  border-color: #d1d5db;
  box-shadow: 0 18px 40px rgba(16, 39, 72, 0.09);
}
.category-icon {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  margin-bottom: 1.2rem;
  border-radius: 12px;
  color: var(--primary-text);
  background: #ecfdf5;
  font-weight: 900;
}
.category-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}
.category-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.dark-section {
  color: var(--white);
  background: var(--graphite);
}
.dark-section .eyebrow {
  color: var(--mint-soft);
}
.dark-section .section-heading p {
  color: #9ca3af;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.tool-card {
  padding: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.055);
}
.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.tool-card h3 {
  margin: 1rem 0 0.45rem;
  font-size: 1.35rem;
}
.tool-card p {
  min-height: 4.5rem;
  margin: 0 0 1.2rem;
  color: #d1d5db;
}
.status {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  color: #d1fae5;
  background: rgba(52, 211, 153, 0.14);
  font-size: 0.7rem;
  font-weight: 800;
}
.text-link {
  color: var(--mint-soft);
  font-weight: 800;
  text-decoration: none;
}

.feature-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.feature-card {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
}
.feature-card.accent {
  color: var(--white);
  border: 0;
  background: linear-gradient(145deg, #047857, #059669);
}
.feature-card h3 {
  margin: 0 0 0.8rem;
  font-size: 1.7rem;
  line-height: 1.15;
}
.feature-card p {
  margin: 0 0 1.4rem;
  color: var(--ink-soft);
}
.feature-card.accent p {
  color: #ecfdf5;
}
.resource-list {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.4rem;
}
.resource-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: #f3f4f6;
}
.resource-item small {
  color: var(--ink-soft);
}

.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 4rem;
  align-items: center;
}
.about-mark {
  display: grid;
  place-items: center;
  min-height: 330px;
  border-radius: var(--radius-lg);
  color: var(--white);
  background:
    radial-gradient(
      circle at 60% 25%,
      rgba(167, 243, 208, 0.42),
      transparent 25%
    ),
    var(--graphite);
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 900;
  letter-spacing: -0.1em;
}
.about h2 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.about p {
  color: var(--ink-soft);
}

.site-footer {
  padding: 3.5rem 0 2rem;
  color: #d1d5db;
  background: #0b1220;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr repeat(2, 0.7fr);
  gap: 3rem;
}
.site-footer .brand {
  color: var(--white);
}
.site-footer p {
  max-width: 450px;
  color: #9ca3af;
}
.footer-links {
  display: grid;
  align-content: start;
  gap: 0.6rem;
}
.footer-links strong {
  margin-bottom: 0.4rem;
  color: var(--white);
}
.footer-links a {
  color: #d1d5db;
  text-decoration: none;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #9ca3af;
  font-size: 0.82rem;
}

.page-hero {
  padding: 4.5rem 0 2.5rem;
}
.page-hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: -0.055em;
}
.page-hero p {
  max-width: 680px;
  color: var(--ink-soft);
  font-size: 1.1rem;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 2rem;
}
.filter-button {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #4b5563;
  background: var(--white);
  cursor: pointer;
}
.filter-button[aria-pressed="true"] {
  color: var(--white);
  border-color: var(--primary);
  background: var(--primary);
}
.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-bottom: 5rem;
}
.directory-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}
.directory-card p {
  color: var(--ink-soft);
}
.directory-card[hidden] {
  display: none;
}
.notice {
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--primary);
  background: #ecfdf5;
  color: #374151;
}
.directory-search {
  width: min(100%, 560px);
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
}

.workspace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-bottom: 5rem;
}
.calculator-card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}
.calculator-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
}
.calculator-card > p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.form-stack {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.2rem;
}
.field {
  display: grid;
  gap: 0.35rem;
}
.field label {
  font-size: 0.82rem;
  font-weight: 800;
}
.field input,
.field select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  color: var(--ink);
  background: var(--white);
}
.field input:focus,
.field select:focus {
  outline: 3px solid rgba(4, 120, 87, 0.18);
  border-color: var(--primary);
}
.result-panel {
  min-height: 74px;
  padding: 1rem;
  margin-top: 1rem;
  border-radius: 12px;
  background: #ecfdf5;
}
.result-panel strong {
  color: var(--primary-text);
}
.result-list {
  display: grid;
  gap: 0.55rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.result-list li {
  padding: 0.65rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 9px;
  background: var(--white);
}
.result-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
.metric {
  padding: 0.7rem;
  border-radius: 10px;
  background: var(--white);
}
.metric span,
.metric strong {
  display: block;
}
.metric span {
  color: var(--ink-soft);
  font-size: 0.72rem;
}
.metric strong {
  font-size: 1.05rem;
}
.privacy-note {
  margin-top: 0.8rem;
  color: var(--ink-soft);
  font-size: 0.75rem;
}

.article-shell { max-width: 920px; margin: 0 auto; }
.article-shell > * + * { margin-top: 1.5rem; }
.article-shell h2 { margin-top: 2.5rem; }
.article-shell h3 { margin-top: 1.75rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; color: var(--ink-soft); font-size: .95rem; }
.verdict { padding: 1.5rem; border: 1px solid rgba(4, 120, 87, .35); border-left: 4px solid var(--primary); border-radius: 1rem; background: rgba(52, 211, 153, .08); }
.verdict strong { display: block; margin-bottom: .5rem; color: var(--ink); }
.content-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.content-table th, .content-table td { padding: .85rem; border: 1px solid rgba(148, 163, 184, .22); text-align: left; vertical-align: top; }
.content-table th { background: rgba(148, 163, 184, .09); }
.pros-cons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.pros-cons > div, .source-box, .faq-item, .workflow-step { padding: 1.25rem; border: 1px solid rgba(148, 163, 184, .2); border-radius: 1rem; background: var(--white); }
.source-list { padding-left: 1.25rem; }
.source-list li + li, .check-list li + li { margin-top: .65rem; }
.disclosure { padding: 1rem 1.25rem; border-radius: .8rem; background: rgba(245, 158, 11, .1); border: 1px solid rgba(245, 158, 11, .3); }
.workflow { display: grid; gap: 1rem; counter-reset: workflow; }
.workflow-step { counter-increment: workflow; }
.workflow-step::before { content: counter(workflow); display: inline-grid; place-items: center; width: 2rem; height: 2rem; margin-right: .65rem; border-radius: 50%; background: var(--mint); color: #06121f; font-weight: 800; }
.article-nav { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }
@media (max-width: 720px) { .pros-cons { grid-template-columns: 1fr; } .content-table { font-size: .9rem; } }
.compare-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}
.comparison-wrap {
  margin: 1.5rem 0 5rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}
.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}
.comparison-table th,
.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.comparison-table thead th {
  color: var(--white);
  background: var(--graphite);
}
.comparison-table tbody th {
  width: 230px;
  color: #374151;
  background: #f9fafb;
}
.comparison-table a {
  color: var(--primary-text);
  font-weight: 750;
}

@media (min-width: 901px) and (max-width: 1440px) {
  .hero {
    padding-top: 2rem;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .about {
    grid-template-columns: 1fr;
  }
  .hero-panel {
    max-width: 620px;
    transform: none;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tool-grid,
  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    inset: 76px 1rem auto;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--graphite);
    box-shadow: var(--shadow);
  }
  .nav-links.open {
    display: grid;
  }
  .menu-toggle {
    display: block;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 4rem 0;
  }
  .hero {
    padding-top: 4rem;
  }
  .hero h1 {
    font-size: clamp(2.7rem, 15vw, 4rem);
  }
  .search-box {
    display: grid;
  }
  .category-grid,
  .tool-grid,
  .feature-band,
  .directory-grid,
  .compare-controls,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .result-metrics {
    grid-template-columns: 1fr;
  }
  .section-heading,
  .footer-bottom {
    align-items: start;
    flex-direction: column;
  }
  .tool-card p {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}