:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --ink: #202124;
  --muted: #64645f;
  --panel: #fffefa;
  --line: #ded9cc;
  --accent: #2b7c6b;
  --accent-dark: #1f5e51;
  --warm: #d95f3d;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

body {
  margin: 0;
  line-height: 1.7;
}

a {
  color: var(--accent-dark);
}

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

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  font-weight: 700;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  border-radius: 10px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
}

nav {
  display: flex;
  gap: 18px;
}

nav a,
footer a {
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

.hero {
  align-items: center;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.7fr);
  margin: 0 auto;
  max-width: 1120px;
  min-height: calc(100vh - 170px);
  padding: 34px 20px 72px;
}

.eyebrow {
  color: var(--warm);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  line-height: 1.08;
  margin: 0 0 22px;
}

.lead {
  color: var(--muted);
  font-size: 1.18rem;
  margin: 0;
  max-width: 680px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  border: 1px solid var(--accent);
  border-radius: 8px;
  display: inline-flex;
  font-weight: 800;
  min-height: 46px;
  padding: 9px 18px;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: white;
}

.button.secondary {
  color: var(--accent-dark);
}

.phone {
  background: #1e1e1c;
  border-radius: 34px;
  box-shadow: 0 22px 60px rgba(32, 33, 36, 0.22);
  margin: 0 auto;
  max-width: 330px;
  padding: 14px;
  width: 100%;
}

.phone-screen {
  background: var(--panel);
  border-radius: 24px;
  min-height: 560px;
  padding: 28px 22px;
}

.phone-screen img {
  border-radius: 22px;
  display: block;
  height: 92px;
  margin-bottom: 26px;
  width: 92px;
}

.task {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
  margin: 0 0 18px;
  padding-bottom: 14px;
}

.phone-screen ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 22px;
}

.phone-screen li {
  background: #eef5f1;
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 10px 12px;
}

.features {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  max-width: 1120px;
  padding: 0 20px 72px;
}

.features article {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.25;
  margin: 0 0 10px;
}

h3 {
  font-size: 1.05rem;
  margin: 28px 0 6px;
}

.features p,
.english p,
.page p {
  color: var(--muted);
  margin-top: 0;
}

.english {
  background: #e9f0eb;
  padding: 54px max(20px, calc((100vw - 1120px) / 2 + 20px));
}

.page {
  margin: 0 auto;
  max-width: 820px;
  padding: 56px 20px 80px;
}

.page h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.updated {
  font-weight: 700;
}

hr {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 46px 0;
}

.email-link {
  font-size: 1.15rem;
  font-weight: 800;
}

footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  padding: 26px 20px;
}

@media (max-width: 780px) {
  .site-header {
    align-items: flex-start;
    gap: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 22px;
  }

  .features {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-header {
    flex-direction: column;
  }

  nav {
    width: 100%;
  }

  .button {
    justify-content: center;
    width: 100%;
  }

  .phone-screen {
    min-height: 480px;
  }
}