:root {
  --ink: #16352e;
  --muted: #64756f;
  --brand: #226c58;
  --brand-dark: #185342;
  --brand-soft: #e8f3ef;
  --line: #dce7e3;
  --surface: #fff;
  --background: #f6faf8;
  --shadow: 0 18px 60px rgba(27, 66, 56, .09);
  font-family: Inter, Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--background);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 0;
  background:
    radial-gradient(circle at 86% 4%, rgba(34, 108, 88, .14) 0, transparent 30rem),
    radial-gradient(circle at 10% 34%, rgba(34, 108, 88, .08) 0, transparent 24rem),
    var(--background);
}
a { color: inherit; }
.site-header, main, footer {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; flex: 0 0 auto; }
.brand img { display: block; }
nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 700;
  font-size: .92rem;
}
nav a:hover { color: var(--brand); }
.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .78fr);
  align-items: center;
  gap: clamp(34px, 6vw, 76px);
  padding: 84px 0 64px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .14em;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 {
  margin: 0;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  line-height: .94;
  letter-spacing: -.065em;
}
.subtitle {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--brand-dark);
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  font-weight: 820;
  line-height: 1.26;
  letter-spacing: -.035em;
}
.intro {
  max-width: 660px;
  margin: 22px 0 34px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.75;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.primary-button, .secondary-button, .copy-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 830;
}
.compact { min-height: 46px; padding-inline: 18px; }
.primary-button {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 10px 26px rgba(34, 108, 88, .22);
}
.primary-button:hover { background: var(--brand-dark); }
.secondary-button {
  color: var(--brand);
  background: rgba(255, 255, 255, .75);
  border: 1px solid #b9cec7;
}
.hero-visual {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(255,255,255,.92), rgba(232,243,239,.72));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 26px;
  border-radius: 26px;
  background-image:
    linear-gradient(rgba(34,108,88,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,108,88,.07) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle, #000 30%, transparent 73%);
}
.radar {
  position: absolute;
  inset: 44px 28px 106px;
}
.ring {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(34,108,88,.26);
  border-radius: 999px;
  transform: translate(-50%, -50%);
}
.ring-one { width: 130px; height: 130px; }
.ring-two { width: 250px; height: 250px; }
.ring-three { width: 370px; height: 370px; }
.center-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 86px;
  height: 86px;
  border-radius: 28px;
  color: #fff;
  background: var(--brand);
  font-weight: 900;
  box-shadow: 0 14px 30px rgba(34,108,88,.24);
}
.place-card {
  position: absolute;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
  font-size: .92rem;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(27,66,56,.1);
}
.card-one { left: 57%; top: 30%; }
.card-two { left: 19%; top: 57%; }
.card-three { right: 11%; bottom: 8%; }
.flow-card {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255,255,255,.92);
}
.flow-card p { margin: 0; font-size: 1.05rem; font-weight: 900; }
.flow-card span { color: var(--muted); font-size: .9rem; font-weight: 760; }
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 0 86px;
}
.trust-strip div, .feature-grid article, .example-list article, .panel, .app-section {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 12px 38px rgba(27,66,56,.055);
}
.trust-strip div { padding: 20px; }
.trust-strip strong { display: block; font-size: 1.05rem; }
.trust-strip span { display: block; margin-top: 5px; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.section { padding: 0 0 92px; }
.section h2 {
  max-width: 760px;
  margin: 0 0 26px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -.05em;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.feature-grid article { padding: 24px; }
.feature-grid h3, .example-list strong {
  display: block;
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--ink);
}
.feature-grid p, .example-list span, .panel p, .panel li, .app-section p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}
.examples { position: relative; }
.example-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.example-list article { padding: 22px; }
.copy-button {
  min-height: 38px;
  margin-top: 16px;
  padding: 0 14px;
  border: 1px solid #b9cec7;
  color: var(--brand);
  background: #fff;
  cursor: pointer;
  font-size: .86rem;
}
.copy-button:hover { border-color: var(--brand); }
.copy-button[data-copied="true"] {
  color: #fff;
  background: var(--brand);
  border-color: var(--brand);
}
.flow {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.flow span {
  display: grid;
  place-items: center;
  min-height: 54px;
  border-radius: 16px;
  color: var(--brand-dark);
  background: var(--brand-soft);
  font-weight: 860;
  text-align: center;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.panel { padding: 28px; }
.panel ul { margin: 22px 0 0; padding-left: 20px; }
.panel li + li { margin-top: 8px; }
.mcp-panel { display: grid; gap: 20px; }
.connection-card, .notice-card {
  padding: 22px;
  border-radius: 20px;
  background: var(--brand-soft);
}
.notice-card { background: #f9fbfa; border: 1px solid var(--line); }
.connection-card h3, .notice-card h3 { margin: 0 0 10px; }
.connection-card .primary-button { margin-top: 18px; }
.app-section { padding: 34px; }
footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: end;
  gap: 24px;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .86rem;
}
footer strong { color: var(--ink); font-size: 1rem; }
footer p { margin: 5px 0 0; }
button:focus-visible, a:focus-visible {
  outline: 3px solid rgba(34,108,88,.3);
  outline-offset: 3px;
}
@media (max-width: 920px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 16px 0; }
  .hero, .split { grid-template-columns: 1fr; }
  .hero { min-height: 0; padding-top: 48px; }
  .trust-strip, .feature-grid, .example-list, .flow { grid-template-columns: 1fr 1fr; }
  footer { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 640px) {
  .site-header, main, footer { width: min(100% - 28px, 1160px); }
  .site-header nav { gap: 12px; }
  .hero-visual { min-height: 430px; border-radius: 24px; }
  .ring-three { width: 300px; height: 300px; }
  .trust-strip, .feature-grid, .example-list, .flow { grid-template-columns: 1fr; }
  .flow-card { align-items: flex-start; flex-direction: column; }
  .card-one { left: 50%; top: 23%; }
  .card-two { left: 9%; top: 60%; }
  .card-three { right: 4%; bottom: 6%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
