:root {
  --green: #1f945c;
  --green-deep: #0d613d;
  --ink: #121417;
  --muted: #3e4a44;
  --paper: #f3f7f4;
  --card: #ffffff;
  --line: #dce7e1;
  --dark: #101614;
  --shadow: 0 18px 40px rgba(16, 22, 20, 0.12);
  --header: 4.25rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

img { max-width: 100%; height: auto; }

a { color: var(--green-deep); }

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: #fff;
  padding: 0.5rem 0.75rem;
  z-index: 30;
}

.skip:focus { top: 0.75rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem 1.25rem;
  flex-wrap: wrap;
  min-height: var(--header);
  padding: 0.7rem 1.25rem;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  font-size: 1.15rem;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin-left: auto;
}

.site-header nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-header nav a[aria-current="page"] { color: var(--green-deep); }

.site-header nav a:hover { color: var(--green-deep); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.75rem 1.15rem;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border: 0;
  box-shadow: 0 8px 18px rgba(31, 148, 92, 0.28);
}

.btn:hover { background: var(--green-deep); color: #fff; }

.btn-small {
  min-height: 40px;
  padding: 0.45rem 0.9rem;
  font-size: 0.92rem;
  box-shadow: none;
}

.btn.is-disabled,
.btn.is-disabled:hover {
  background: #e6eeea;
  color: #314038;
  box-shadow: none;
  cursor: default;
}

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  background:
    radial-gradient(900px 420px at 85% 0%, rgba(31, 148, 92, 0.35), transparent 60%),
    linear-gradient(160deg, #14211c 0%, #101614 55%, #0c1612 100%);
  color: #fff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0 3.5rem;
}

.hero h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero .lead {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
  max-width: 38rem;
  color: rgba(255, 255, 255, 0.92);
}

.hero .support {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.78);
}

.platform-note {
  margin: 0.85rem 0 0;
  max-width: 36rem;
  color: #3e4a44;
  font-size: 0.95rem;
}

.hero .platform-note { color: rgba(255, 255, 255, 0.75); }

.phone {
  width: min(280px, 100%);
  margin: 0 auto;
  padding: 10px;
  border-radius: 36px;
  background: #070b09;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
}

.phone img {
  display: block;
  width: 100%;
  border-radius: 28px;
  aspect-ratio: 470 / 1024;
  object-fit: cover;
}

.hero .phone { width: min(300px, 100%); }

section { padding: 4rem 0; }

section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.03em;
}

.section-lead {
  margin: 0 0 1.75rem;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.goals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.goal {
  display: block;
  padding: 1.4rem 1.3rem 1.2rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
}

.goal:hover { border-color: #b7d7c6; }

.goal strong {
  display: block;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.35rem;
}

.goal span { color: var(--muted); }

.goal em {
  display: inline-block;
  margin-top: 1rem;
  font-style: normal;
  font-weight: 700;
  color: var(--green-deep);
}

.steps, .trust-grid, .split {
  display: grid;
  gap: 1rem;
}

.steps { grid-template-columns: repeat(3, 1fr); }

.step, .trust-card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem 1rem 1.2rem;
}

.step h3, .trust-card h3, .panel h3 { margin: 0.8rem 0 0.35rem; }

.step p, .trust-card p, .panel p { margin: 0; color: var(--muted); }

.step .phone { width: min(210px, 100%); box-shadow: none; }

.kicker {
  display: inline-block;
  margin: 0;
  color: var(--green-deep);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tasks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tasks li {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 600;
}

.split {
  grid-template-columns: 280px 1fr;
  align-items: center;
}

.parents-band {
  background: #14211c;
  color: #fff;
  border-radius: 24px;
  padding: 1.6rem;
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 1rem;
  align-items: center;
}

.parents-band p { margin: 0.4rem 0 0; color: rgba(255, 255, 255, 0.8); }

.parents-band a.btn { background: #fff; color: var(--ink); box-shadow: none; }

.parents-band a.btn:hover { background: #e7f6ee; }

.download {
  text-align: center;
}

.download .platform-note,
.download .qr-caption { margin-left: auto; margin-right: auto; }

.qr-block { margin-top: 1.25rem; }

.qr-block img {
  width: 168px;
  height: 168px;
  background: #fff;
  border-radius: 16px;
  padding: 8px;
  border: 1px solid var(--line);
}

.qr-caption { color: var(--muted); font-size: 0.95rem; }

.page-hero { padding: 2.5rem 0 0.5rem; }

.page-hero h1 {
  margin: 0.2rem 0 0.6rem;
  font-size: clamp(2rem, 4vw, 3.1rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.prose {
  display: grid;
  gap: 1rem;
}

.prose .panel h2 { margin: 0 0 0.4rem; font-size: 1.35rem; }

.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
  margin-bottom: 0.8rem;
}

.site-footer a { color: var(--ink); font-weight: 600; text-decoration: none; }

.site-footer a:hover { color: var(--green-deep); }

@media (max-width: 860px) {
  .hero-grid, .steps, .split, .goals, .parents-band { grid-template-columns: 1fr; }
  .site-header nav { margin-left: 0; width: 100%; }
  .hero-grid { padding-top: 2rem; }
  .parents-band a.btn { justify-self: start; }
}