:root {
  color: #17201d;
  background: #f5f8f6;
  font-family: Arial, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: #0f766e;
  font-weight: 800;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

p,
li {
  color: #4a5652;
  line-height: 1.65;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(40px, 6vw, 72px);
  letter-spacing: 0;
  line-height: 1.04;
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: 0;
  line-height: 1.16;
  margin-bottom: 12px;
}

h3 {
  font-size: 19px;
  letter-spacing: 0;
  line-height: 1.28;
  margin-bottom: 8px;
}

.site-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid #d8e0dc;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  align-items: center;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 14px 20px;
}

.brand {
  color: #17201d;
  font-size: 20px;
  font-weight: 900;
}

.nav-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.nav-links a[aria-current="page"] {
  color: #14532d;
  text-decoration: underline;
}

.site-main {
  margin: 0 auto;
  max-width: 1120px;
  padding: 42px 20px 72px;
}

.home-main {
  max-width: 1180px;
}

.hero {
  align-items: center;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  min-height: 72vh;
  padding: 24px 0 44px;
}

.page-hero {
  max-width: 820px;
  padding: 36px 0 26px;
}

.eyebrow {
  color: #0f766e;
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.lead {
  color: #3f4f49;
  font-size: 20px;
  line-height: 1.62;
  max-width: 780px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  align-items: center;
  background: #0f766e;
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-weight: 900;
  min-height: 48px;
  padding: 0 18px;
}

.button:hover {
  background: #115e59;
  text-decoration: none;
}

.button.secondary {
  background: #e6ece9;
  color: #17201d;
}

.button.secondary:hover {
  background: #d5dfda;
}

.button.small {
  min-height: 40px;
  padding: 0 14px;
}

.hero-visual {
  min-width: 0;
}

.browser-frame {
  background: #ffffff;
  border: 1px solid #d8e0dc;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(23, 32, 29, 0.14);
  overflow: hidden;
}

.browser-bar {
  align-items: center;
  background: #17201d;
  display: flex;
  gap: 7px;
  min-height: 42px;
  padding: 0 16px;
}

.browser-bar span {
  background: #f7c948;
  border-radius: 999px;
  display: block;
  height: 10px;
  width: 10px;
}

.browser-bar span:first-child {
  background: #f87171;
}

.browser-bar span:last-child {
  background: #34d399;
}

.screen-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(190px, 0.9fr) minmax(0, 1.1fr);
  padding: 20px;
}

.qr-card {
  align-items: center;
  background: #f8fafc;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 16px;
}

.qr-card strong {
  color: #17201d;
  font-size: 42px;
  letter-spacing: 0;
}

.qr-pattern {
  background:
    linear-gradient(90deg, #111827 10px, transparent 10px) 0 0 / 24px 24px,
    linear-gradient(#111827 10px, transparent 10px) 0 0 / 24px 24px,
    #ffffff;
  border: 8px solid #ffffff;
  box-shadow: 0 0 0 1px #d1d5db;
  height: 180px;
  width: 180px;
}

.transfer-panel {
  align-content: center;
  display: grid;
  gap: 10px;
}

.status-chip {
  background: #dcfce7;
  border: 1px solid #86efac;
  border-radius: 8px;
  color: #166534;
  font-size: 13px;
  font-weight: 900;
  justify-self: start;
  padding: 8px 10px;
}

.mini-actions {
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr 1fr;
}

.mini-actions span {
  background: #0f766e;
  border-radius: 8px;
  color: #ffffff;
  font-size: 14px;
  font-weight: 900;
  padding: 12px;
  text-align: center;
}

.section {
  border-top: 1px solid #d8e0dc;
  padding: 38px 0;
}

.section-heading {
  max-width: 780px;
}

.grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.card,
.note,
.steps article,
.faq-list article {
  background: #ffffff;
  border: 1px solid #d8e0dc;
  border-radius: 8px;
  padding: 18px;
}

.card h2,
.card h3 {
  color: #17201d;
}

.note {
  border-left: 5px solid #0f766e;
}

.note strong {
  color: #17201d;
  display: block;
  margin-bottom: 8px;
}

.split {
  align-items: start;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
}

.steps {
  display: grid;
  gap: 14px;
}

.steps article {
  display: grid;
  gap: 4px;
  grid-template-columns: 54px minmax(0, 1fr);
}

.steps article span {
  align-items: center;
  background: #0f766e;
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-size: 22px;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.steps article h2,
.steps article p {
  grid-column: 2;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list h2 {
  font-size: 22px;
}

.check-list {
  display: grid;
  gap: 8px;
  padding-left: 22px;
}

.contact-email {
  font-size: 24px;
  overflow-wrap: anywhere;
}

.site-footer {
  align-items: start;
  border-top: 1px solid #d8e0dc;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 1120px;
  padding: 24px 20px 42px;
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    display: grid;
  }

  .hero,
  .screen-grid,
  .grid,
  .split,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }

  .site-footer nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .site-main {
    padding: 26px 16px 54px;
  }

  .nav {
    padding: 14px 16px;
  }

  .nav-links {
    gap: 10px;
  }

  .screen-grid {
    padding: 14px;
  }

  .qr-pattern {
    height: 150px;
    width: 150px;
  }

  .mini-actions {
    grid-template-columns: 1fr;
  }

  .steps article {
    grid-template-columns: 1fr;
  }

  .steps article h2,
  .steps article p {
    grid-column: auto;
  }
}