:root {
  --container: 1108px;
  --header-height: 72px;
  --ink: #171a18;
  --muted: #5e6761;
  --surface: #ffffff;
  --soft: #f3f7f4;
  --line: #dce4df;
  --dark: #0b0d0c;
  --dark-soft: #161a18;
  --green: #21e786;
  --green-dark: #0b9f55;
  --radius: 12px;
  --section-gap: clamp(48px, 6vw, 76px);
  --content-gap: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-size: 17px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, figure, ul, ol, table { margin: 0; }

h1, h2, h3 {
  color: #101311;
  line-height: 1.18;
  text-wrap: balance;
}

h1 {
  margin-inline: auto;
  font-size: clamp(36px, 5vw, 56px);
  text-align: center;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(27px, 3.4vw, 37px);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 21px;
  letter-spacing: -0.015em;
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--dark);
  box-shadow: 0 1px 0 rgb(255 255 255 / 8%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand > img {
  width: auto;
  height: 34px;
  filter: grayscale(1) brightness(0) invert(1);
}

.geo-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: none;
  font-size: 38px;
  line-height: 1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 25px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--green);
  color: #06130c;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 8px 20px rgb(33 231 134 / 20%);
  transition: background-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  background: #43ef9b;
  box-shadow: 0 10px 26px rgb(33 231 134 / 28%);
  transform: translateY(-1px);
}

.button:focus-visible,
a:focus-visible,
summary:focus-visible,
.table-scroll:focus-visible {
  outline: 3px solid rgb(33 231 134 / 45%);
  outline-offset: 3px;
}

.button--header {
  min-height: 42px;
  padding-inline: 21px;
  font-size: 15px;
  box-shadow: none;
}

.button--primary { min-width: 205px; }

.site-main { padding-block: clamp(42px, 6vw, 72px) var(--section-gap); }
.article > * + * { margin-top: var(--section-gap); }
.flow > * + * { margin-top: var(--content-gap); }
.flow > h2 + * { margin-top: 14px; }

.intro > .content-media,
.flow > .content-media,
.flow > .table-scroll,
.flow > .cta-row,
.flow > .faq-list,
.flow > .feature-grid,
.flow > .comparison-grid,
.flow > .answer-box,
.flow > .trust-strip { margin-top: 28px; }

.content-media + *,
.table-scroll + *,
.cta-row + *,
.faq-list + *,
.feature-grid + *,
.comparison-grid + *,
.answer-box + * { margin-top: 28px; }

@supports (content-visibility: auto) {
  .content-section {
    content-visibility: auto;
    contain-intrinsic-size: auto 850px;
  }
}

.lead {
  max-width: 900px;
  margin-inline: auto;
  color: #303733;
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 520;
  text-align: center;
}

.intro > p:not(.lead) {
  max-width: 880px;
  margin-inline: auto;
  text-align: center;
}

.content-media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: inherit;
  background: #e7ece9;
  box-shadow: 0 8px 24px rgb(17 26 20 / 9%);
  text-decoration: none;
}

.content-media > img,
.content-media picture img {
  width: 100%;
  height: min(34.3vw, 380px);
  object-fit: cover;
  object-position: center;
}

.hero-media picture { display: block; }
.hero-media img { max-height: 380px; }

.content-media--contain { background: #151917; }
.content-media--contain > img { object-fit: contain; }

.media-stamp {
  position: absolute;
  right: 14px;
  bottom: 48px;
  padding: 7px 11px;
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: 999px;
  color: #f5fff9;
  background: rgb(10 15 12 / 84%);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.055em;
  line-height: 1;
  box-shadow: 0 4px 12px rgb(0 0 0 / 22%);
}

.media-stamp::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

figcaption {
  position: relative;
  z-index: 2;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface);
  font-size: 14px;
  line-height: 1.5;
}

.cta-row { display: flex; justify-content: center; }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
}

.trust-strip span {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #374139;
  background: var(--soft);
  font-size: 13px;
  font-weight: 700;
}

ul, ol { padding-left: 1.45em; }
li + li { margin-top: 8px; }
li::marker { color: var(--green-dark); font-weight: 850; }

.steps-list { counter-reset: steps; list-style: none; padding-left: 0; }
.steps-list li { position: relative; padding-left: 48px; }
.steps-list li::before {
  position: absolute;
  top: 1px;
  left: 0;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  color: #062b18;
  background: #c8f8de;
  content: counter(steps);
  counter-increment: steps;
  font-size: 14px;
  font-weight: 900;
}

.check-list { list-style: "✓  "; }

.answer-box,
.note {
  padding: 16px 18px;
  border-left: 3px solid var(--green-dark);
  border-radius: 0 9px 9px 0;
  color: #3c463f;
  background: var(--soft);
}

.answer-box p { margin-top: 5px; }
.note { font-size: 15px; }

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 7px 20px rgb(17 26 20 / 5%);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 16px;
}

th, td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

thead th {
  color: #f5fff9;
  background: #151a17;
  font-size: 13px;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

tbody th { font-weight: 780; }
tbody tr:nth-child(even) { background: var(--soft); }
tbody tr:last-child > * { border-bottom: 0; }

.facts-table { min-width: 640px; }
.facts-table th { width: 31%; color: #153824; }

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

.feature-card,
.mini-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--soft);
}

.feature-card > span { display: block; margin-bottom: 5px; font-size: 25px; }
.feature-card > strong { display: block; font-size: 18px; }
.feature-card p,
.mini-panel p { margin-top: 5px; color: var(--muted); font-size: 15px; line-height: 1.55; }

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

summary {
  position: relative;
  padding: 18px 38px 18px 0;
  cursor: pointer;
  font-weight: 780;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }
summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  color: var(--green-dark);
  content: "+";
  font-size: 26px;
  font-weight: 500;
  transform: translateY(-52%);
}

details[open] summary::after { content: "−"; }
details p { padding: 0 38px 18px 0; color: var(--muted); }

.site-footer {
  width: 100%;
  padding-block: 38px;
  color: #aeb7b1;
  background: var(--dark);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

.brand--footer > img { height: 32px; }
.footer-inner p { max-width: 760px; font-size: 14px; line-height: 1.6; }

@media (max-width: 640px) {
  :root { --header-height: 64px; --content-gap: 16px; }
  body { font-size: 16px; line-height: 1.67; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand { gap: 8px; }
  .brand > img { height: 27px; }
  .geo-chip { font-size: 34px; }
  .button--header { min-height: 38px; padding: 9px 14px; font-size: 14px; }
  .site-main { padding-top: 34px; }
  .content-media, .table-scroll { border-radius: 9px; }
  .content-media.hero-media picture img { height: auto; min-height: 0; aspect-ratio: 1 / 1; }
  .content-media:not(.hero-media) > img { height: min(76vw, 300px); min-height: 220px; }
  .media-stamp { right: 10px; bottom: 48px; font-size: 9px; }
  .feature-grid, .comparison-grid { grid-template-columns: 1fr; }
  th, td { padding: 13px 14px; }
  .steps-list li { padding-left: 43px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}