* {
  box-sizing: border-box;
}

html {
  font-family: Arial, "Noto Sans Thai", Tahoma, sans-serif;
  color: #26312d;
  background: #fff;
  line-height: 1.7;
}

body {
  margin: 0;
  background: #fff;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

a {
  color: #1a7a59;
  text-decoration: none;
}

a:hover,
a:focus {
  color: #0f533c;
  text-decoration: underline;
}

.wrap {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid #e7ebe8;
  background: #fff;
}

.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: grid;
  gap: 2px;
  color: #26312d;
  text-decoration: none;
}

.brand span {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand small {
  color: #69756f;
  font-size: 14px;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  font-weight: 700;
}

nav a {
  color: #26312d;
}

nav a[aria-current="page"] {
  color: #1a7a59;
}

.page-content {
  padding: 48px 0 56px;
}

article {
  max-width: 860px;
}

h1,
h2,
h3,
h4 {
  line-height: 1.3;
  color: #1c2723;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 28px;
  font-size: clamp(30px, 5vw, 44px);
}

h2 {
  margin: 36px 0 14px;
  font-size: 24px;
}

p,
ul,
ol {
  margin: 0 0 18px;
}

ul,
ol {
  padding-left: 24px;
}

li {
  margin-bottom: 12px;
}

hr {
  border: 0;
  border-top: 1px solid #e1e7e3;
  margin: 32px 0;
}

.intro-card {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 28px;
  align-items: start;
  padding-top: 6px;
}

.intro-card h2 {
  margin-top: 0;
}

.eyebrow {
  color: #69756f;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 6px;
  background: #1a7a59;
  color: #fff;
  font-weight: 700;
  text-align: center;
}

.button:hover,
.button:focus {
  background: #0f533c;
  color: #fff;
  text-decoration: none;
}

.app-store-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 40px;
  padding: 9px 20px;
  border-radius: 12px;
  background: #17a865;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.3px;
  line-height: 1.35;
  text-align: center;
  text-transform: uppercase;
}

.app-store-button:hover,
.app-store-button:focus {
  background: #108851;
  color: #fff;
  text-decoration: none;
}

.site-footer {
  border-top: 1px solid #e7ebe8;
  padding: 24px 0;
  color: #69756f;
  font-size: 14px;
}

@media (max-width: 700px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 18px 0;
  }

  nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .page-content {
    padding: 34px 0 44px;
  }

  .intro-card {
    grid-template-columns: 1fr;
  }

  .app-thumb {
    max-width: 300px;
  }
}