* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  background: #fff;
  color: #222;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #d94040;
}
a:hover {
  text-decoration: underline;
}
::selection {
  background: #d94040;
  color: #fff;
}
code {
  font-family: "SF Mono", Consolas, monospace;
  font-size: 13px;
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 3px;
}

.w {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

nav {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
nav a {
  color: #aaa;
  text-decoration: none;
}
nav a:hover {
  color: #222;
  text-decoration: none;
}
.brand {
  color: #222;
  font-weight: 700;
  font-size: 14px;
}
.desktop-nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.popup-button {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid #ddd;
  color: #222;
  text-decoration: none;
  background: #fff;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  cursor: pointer;
}

.popup-button:hover {
  text-decoration: none;
  border-color: #222;
}


.popup {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.popup-content {
  font-family: "Montserrat", sans-serif;
  background: #fff;
  width: 90%;
  max-width: 400px;
  padding: 28px;
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  text-align: center;
  animation: popupIn 0.2s ease;
}

.popup-content h2 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 700;
  color: #222;
}

.popup-content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  color: #666;
}

@keyframes popupIn {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  flex-direction: column;
  justify-content: space-between;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: #666;
  border-radius: 1px;
  transition:
    transform 0.2s,
    opacity 0.2s;
}
.hamburger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}
.mobile-nav {
  display: none;
  max-width: 620px;
  margin: 0 auto;
  padding: 0 24px 16px;
  flex-direction: column;
  gap: 12px;
  font-size: 14px;
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav a {
  color: #888;
  text-decoration: none;
  display: block;
  padding: 6px 0;
}
.mobile-nav a:hover {
  color: #222;
}

h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 52px 0 18px;
  color: #111;
}
.after-h1 {
  color: #777;
  margin-bottom: 36px;
  max-width: 480px;
}

.btn {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid #ddd;
  color: #222;
  text-decoration: none;
  background: #fff;
  transition: border-color 0.15s;
}
.btn:hover {
  text-decoration: none;
  border-color: #222;
}
.btn.r {
  background: #222;
  color: #fff;
  border-color: #222;
}
.btn.r:hover {
  background: #d94040;
  border-color: #d94040;
}

.sep {
  border: none;
  border-top: 1px solid #eee;
  margin: 0;
}

h2 {
  font-size: 19px;
  font-weight: 700;
  color: #111;
  margin: 44px 0 10px;
  letter-spacing: -0.01em;
}
p {
  color: #666;
  margin-bottom: 12px;
}

.srv {
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 8px;
  padding: 18px 20px;
  margin: 16px 0 0;
}
.srv-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.srv-row code {
  font-size: 14px;
  background: #eee;
  color: #111;
  padding: 5px 10px;
}
.srv-row button {
  font-family: inherit;
  font-size: 11px;
  background: none;
  border: 1px solid #ccc;
  color: #888;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}
.srv-row button:hover {
  border-color: #d94040;
  color: #d94040;
}



ul.simple {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}
ul.simple li {
  padding: 11px 0;
  border-bottom: 1px solid #f4f4f4;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}
ul.simple li:last-child {
  border-bottom: none;
}
ul.simple .t {
  color: #333;
  font-size: 14px;
  font-weight: 600;
}
ul.simple .d {
  color: #aaa;
  font-size: 12px;
  margin-top: 1px;
}
ul.simple .s {
  font-size: 11px;
  color: #ccc;
  white-space: nowrap;
  font-family: monospace;
}

footer {
  max-width: 620px;
  margin: 0 auto;
  padding: 20px 24px;
  font-size: 12px;
  color: #ccc;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid #f0f0f0;
}
footer a {
  color: #bbb;
}
footer a:hover {
  color: #d94040;
}

@media (max-width: 600px) {
  .desktop-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  h1 {
    font-size: 28px;
  }
  ul.simple li {
    flex-direction: column;
    gap: 2px;
  }
  .srv-row {
    flex-direction: column;
    align-items: flex-start;
  }
}