:root {
  --ink: #0a1f30;
  --navy: #0f3d5e;
  --navy-deep: #082536;
  --green: #1f7a4d;
  --mist: #e8eef3;
  --paper: #f7f4ee;
  --white: #ffffff;
  --muted: #5c6b76;
  --line: #d3dde5;
  --radius: 18px;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a { color: inherit; }
img { max-width: 100%; }

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  background: rgba(247, 244, 238, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background:
    linear-gradient(160deg, #1f7a4d 0 8px, transparent 8px),
    linear-gradient(160deg, #0f3d5e, #1b5a82);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,0.12);
}
.brand strong { display: block; font-size: 15px; }
.brand small { color: var(--muted); font-size: 12px; }

.menu { display: flex; gap: 18px; align-items: center; }
.menu a { text-decoration: none; font-weight: 600; font-size: 14px; color: var(--navy); }
.nav-toggle { display: none; }

.nav-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
}
.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 10px 16px;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 22px 28px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.kicker {
  color: var(--green);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
  margin: 0 0 10px;
}
h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.12;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}
.lede { font-size: 18px; color: #31424e; max-width: 36rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 10px; }
.btn.primary {
  background: var(--green);
  color: var(--white);
  padding: 14px 22px;
}
.btn.primary:hover { background: #18663f; }
.btn.ghost {
  background: transparent;
  color: var(--navy);
  padding: 14px 22px;
  box-shadow: inset 0 0 0 2px var(--navy);
}
.btn.lg { padding: 16px 26px; font-size: 17px; }
.fine { color: var(--muted); font-size: 13px; }

.hero-visual {
  min-height: 420px;
  background:
    radial-gradient(circle at 70% 20%, rgba(31,122,77,0.18), transparent 40%),
    linear-gradient(180deg, var(--navy-deep), var(--navy));
  border-radius: 32px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px dashed rgba(255,255,255,0.15);
  border-radius: 24px;
}

.phone {
  width: 230px;
  background: #102433;
  border: 8px solid #07141e;
  border-radius: 28px;
  color: #e8eef3;
  position: relative;
  box-shadow: 0 24px 50px rgba(0,0,0,0.28);
}
.phone-bar {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  padding: 12px 0 8px;
  color: #9ad0b4;
}
.phone-body { padding: 8px 14px 18px; }
.phone-hello { margin: 0; font-weight: 700; }
.phone-muted { margin: 4px 0 12px; color: #9aa8b3; font-size: 12px; }
.phone-card {
  background: #1a3a52;
  border-radius: 14px;
  padding: 12px;
  display: grid;
  gap: 4px;
}
.phone-card span { font-size: 11px; color: #9ad0b4; }
.phone-card em { font-style: normal; color: #b7c4ce; font-size: 12px; }
.phone-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 12px 0;
  text-align: center;
}
.phone-row b { display: block; font-size: 18px; }
.phone-row small { color: #9aa8b3; }
.phone-btn {
  background: var(--green);
  text-align: center;
  border-radius: 12px;
  padding: 10px;
  font-weight: 700;
  font-size: 13px;
}

.strip {
  max-width: var(--max);
  margin: 12px auto 0;
  padding: 0 22px 8px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.strip div {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.strip strong { display: block; }
.strip span { color: var(--muted); font-size: 14px; }

.section { max-width: var(--max); margin: 0 auto; padding: 56px 22px; }
.muted-bg { background: var(--white); max-width: none; }
.muted-bg .split, .muted-bg h2 { max-width: var(--max); margin-left: auto; margin-right: auto; }
h2 { font-size: 32px; margin: 0 0 8px; letter-spacing: -0.03em; }
.section-lead { color: var(--muted); max-width: 40rem; margin-bottom: 28px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.grid article, .split article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.muted-bg article { background: var(--paper); }
h3 { margin: 0 0 8px; font-size: 18px; }
.grid p { margin: 0; color: #3b4b56; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 0 22px 56px; }
.split ul { margin: 0; padding-left: 18px; color: #3b4b56; }

.download {
  max-width: var(--max);
  margin: 0 auto 48px;
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  background: var(--navy-deep);
  color: var(--white);
  border-radius: 28px;
}
.download .kicker { color: #8ee0b2; }
.download .fine { color: #b7c4ce; }
.download h2 { color: var(--white); }
.steps { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.steps li { display: flex; gap: 12px; align-items: flex-start; }
.steps span {
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--green);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 13px;
}

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 22px 40px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
}
.copy { margin: 0; }

@media (max-width: 860px) {
  .hero, .strip, .grid, .split, .download, footer { grid-template-columns: 1fr; }
  .nav-toggle {
    display: inline-flex;
    background: var(--navy);
    color: var(--white);
    border: 0;
    border-radius: 999px;
    padding: 8px 14px;
    font-weight: 700;
  }
  .menu {
    display: none;
    position: absolute;
    top: 64px;
    right: 12px;
    left: 12px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 12px;
    flex-direction: column;
    align-items: stretch;
  }
  .menu.open { display: flex; }
  .hero-visual { min-height: 360px; }
}