:root {
  --teal: #0f5e68;
  --teal-deep: #0c4d55;
  --saffron: #f59e0b;
  --saffron-ink: #17202a;
  --bg: #f9f8f6;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #3f4a56;
  --faint: #64748b;
  --line: #e3e5e4;
  --line-strong: #cbd2d0;
  --shadow: 0 10px 30px rgba(15, 94, 104, 0.08);
  --r: 10px;
  --max: 1080px;
  --font: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: #fff;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  background: var(--teal);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  background: #fff;
}
.header-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
}
.header-meta a { text-decoration: none; }
.header-meta a:hover { color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 8px;
  background: var(--saffron);
  color: var(--saffron-ink);
  font-weight: 650;
  text-decoration: none;
  border: 0;
  font-family: inherit;
  font-size: 15px;
}
.btn:hover { filter: brightness(0.97); }
.btn:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 2px solid var(--saffron);
  outline-offset: 3px;
}
.btn-on-dark:focus-visible { outline-color: #fff; }

.hero {
  padding: 72px 0 32px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 680;
}
.lede {
  margin: 18px 0 0;
  font-size: 18px;
  color: var(--muted);
  max-width: 38rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-top: 28px;
}
.contact-line {
  margin: 0;
  color: var(--faint);
  font-size: 14px;
}
.contact-line a { color: var(--teal); }

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}
.screen {
  overflow: hidden;
}
.screen-bar {
  background: var(--teal);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  font-size: 13px;
}
.screen-body { padding: 14px; }
.area-label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 650;
  color: var(--faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.tile {
  background: #fff;
  border: 1px solid var(--line-strong);
  border-left-width: 3px;
  border-radius: 8px;
  min-height: 72px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tile strong { font-size: 14px; }
.tile span { font-size: 11px; color: var(--muted); }
.tile.free { border-left-color: #cbd2d0; }
.tile.send { border-left-color: var(--saffron); background: #fffaf0; }
.tile.sent { border-left-color: var(--teal); background: #f3f8f8; }
.caption {
  margin: 10px 2px 0;
  color: var(--faint);
  font-size: 12px;
}

section { padding: 28px 0 12px; }
h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 3vw, 36px);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.section-intro {
  margin: 0 0 22px;
  color: var(--muted);
  max-width: 40rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px 18px 20px;
}
.step-no {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--teal);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.step p { margin: 0; color: var(--muted); }

.included {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.included li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px;
  color: var(--muted);
}
.included b {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 20px;
}
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); }
.card + .card-list, .roles { margin-top: 16px; }
.roles { display: grid; gap: 8px; }
.role {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}
.role b { color: var(--teal); }

.quad {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.quad article h3 { margin: 0 0 6px; font-size: 16px; }

.limits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.limit {
  padding-top: 12px;
  border-top: 3px solid var(--teal);
}
.limit h3 { margin: 0 0 6px; font-size: 16px; letter-spacing: -0.02em; }
.limit p { margin: 0; color: var(--muted); font-size: 15px; }
.aside {
  margin: 18px 0 0;
  color: var(--muted);
  max-width: 40rem;
}

.need {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 18px;
  align-items: start;
  margin-top: 22px;
}
.block-title {
  margin: 0 0 8px;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.need ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.need li {
  padding-left: 14px;
  border-left: 3px solid var(--teal);
  color: var(--muted);
}

.faq { display: grid; gap: 8px; }
details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
}
summary {
  cursor: pointer;
  font-weight: 650;
  letter-spacing: -0.01em;
}
details p {
  margin: 10px 0 2px;
  color: var(--muted);
}

.close {
  margin: 36px 0 20px;
  background: var(--teal);
  color: #fff;
  border-radius: var(--r);
  padding: 36px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.close h2 { color: #fff; max-width: 22ch; }
.close p { margin: 8px 0 0; color: rgba(255, 255, 255, 0.86); }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 32px;
  color: var(--faint);
  font-size: 14px;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.site-footer a { color: var(--teal); }

.page {
  padding: 48px 0 24px;
}
.page h1 { font-size: clamp(32px, 4vw, 44px); }
.prose { max-width: 40rem; }
.prose p { color: var(--muted); }

@media (max-width: 860px) {
  .hero { padding-top: 36px; }
  .hero-grid, .steps, .included, .split, .quad, .limits, .need, .close {
    grid-template-columns: 1fr;
    display: grid;
  }
  .close { display: grid; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .hero-actions .btn,
  .need .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}