:root {
  color-scheme: light;
  --bg: #f4efe7;
  --paper: #fffdf8;
  --ink: #192532;
  --muted: #667487;
  --line: #d9cfbf;
  --accent: #0f7258;
  --accent-strong: #0a5a45;
  --sand: #eadfce;
  --shadow: 0 24px 80px rgba(25, 37, 50, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "NanumGothic", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 114, 88, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(234, 223, 206, 0.9), transparent 28%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.page-shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 20px 20px 64px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0 22px;
}

.brand {
  font-size: 22px;
  font-weight: 800;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.section {
  margin-top: 30px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.9fr);
  gap: 28px;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.feature-card,
.timeline-step,
.info-card,
.arch-card,
.pricing-card,
.faq-list details {
  border: 1px solid rgba(217, 207, 191, 0.82);
  border-radius: 26px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 34px;
}

.hero-panel {
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(15, 114, 88, 0.08), rgba(255, 253, 248, 0.95)),
    rgba(255, 253, 248, 0.9);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

h1,
h2,
h3,
p,
pre {
  margin: 0;
}

h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.12;
}

h3 {
  font-size: 22px;
  line-height: 1.25;
}

.hero-text,
.feature-card p,
.timeline-step p,
.info-card p,
.arch-card p,
.pricing-card p,
.faq-list p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  margin-top: 18px;
  max-width: 720px;
  font-size: 17px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 18px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.15s ease, opacity 0.15s ease, background-color 0.15s ease;
}

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

.secondary-button {
  border: 1px solid var(--line);
  background: white;
  color: var(--ink);
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.support-note {
  margin-top: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(15, 114, 88, 0.18);
  border-radius: 18px;
  background: rgba(15, 114, 88, 0.08);
}

.support-note strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--accent-strong);
}

.support-note p {
  color: var(--ink);
  line-height: 1.6;
}

.metric-card {
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  padding: 16px;
}

.metric-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.hero-console {
  height: 100%;
  min-height: 460px;
  border-radius: 20px;
  background: #12202b;
  color: #dcf4ec;
  overflow: hidden;
}

.console-head {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.red {
  background: #ff6157;
}

.amber {
  background: #ffbd2e;
}

.green {
  background: #28c840;
}

.hero-console pre {
  margin: 0;
  padding: 18px;
  font-family: "D2Coding", "Fira Code", monospace;
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.section-head {
  margin-bottom: 16px;
}

.feature-grid,
.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.arch-card,
.pricing-card,
.info-card,
.timeline-step {
  padding: 24px;
}

.feature-card h3,
.arch-card strong,
.pricing-card strong {
  display: block;
  margin-bottom: 10px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-step {
  position: relative;
  padding-left: 58px;
}

.timeline-step::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 26px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 7px rgba(15, 114, 88, 0.12);
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.flat-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.pricing-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
}

.price {
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 900;
  color: var(--accent-strong);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 800;
}

.faq-list p {
  margin-top: 12px;
}

.section-lead {
  margin-top: 10px;
  max-width: 760px;
  color: var(--muted);
  line-height: 1.7;
}

.builder-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 20px;
}

.builder-card {
  border: 1px solid rgba(217, 207, 191, 0.82);
  border-radius: 26px;
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
  padding: 24px;
}

.stack-card {
  display: grid;
  gap: 18px;
}

.nested-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  padding: 16px;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-grid.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field-grid.four-col {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 8px;
}

.field span,
.field-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  color: var(--ink);
  font: inherit;
}

.field textarea {
  min-height: 96px;
  padding: 12px 14px;
  resize: vertical;
}

.field input[type="file"] {
  padding: 10px 12px;
}

.checkbox-field {
  align-content: start;
}

.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 22px;
  color: var(--ink);
  font-size: 14px;
}

.checkbox-field input[type="checkbox"] {
  width: 16px;
  height: 16px;
  min-height: 16px;
  padding: 0;
}

.stack-list {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}

.inline-button {
  width: fit-content;
}

.inline-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ghost-button {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.ghost-button:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

.action-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.flash {
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
}

.flash-error {
  border: 1px solid rgba(186, 56, 42, 0.18);
  background: rgba(186, 56, 42, 0.08);
  color: #8f2d1f;
}

.flash-success {
  border: 1px solid rgba(15, 114, 88, 0.18);
  background: rgba(15, 114, 88, 0.08);
  color: var(--accent-strong);
}

.flash-info {
  border: 1px solid rgba(25, 37, 50, 0.12);
  background: rgba(25, 37, 50, 0.05);
  color: var(--ink);
}

.hidden {
  display: none !important;
}

.muted-copy {
  color: var(--muted);
  line-height: 1.7;
}

.muted-panel {
  color: var(--muted);
}

.result-panel {
  min-height: 220px;
  border: 1px dashed var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.68);
  padding: 18px;
  line-height: 1.7;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.result-grid strong,
.result-links strong {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 13px;
}

.result-grid span,
.result-links li,
.result-link a {
  word-break: break-all;
}

.result-link {
  margin-top: 14px;
}

.result-links {
  margin-top: 18px;
}

.result-links ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.compact-note {
  margin-top: 16px;
}

@media (max-width: 1080px) {
  .hero,
  .builder-layout,
  .split-grid,
  .feature-grid,
  .architecture-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 16px 14px 44px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy,
  .hero-panel,
  .builder-card,
  .feature-card,
  .timeline-step,
  .info-card,
  .arch-card,
  .pricing-card,
  .faq-list details {
    border-radius: 22px;
  }

  .hero-copy,
  .hero-panel,
  .builder-card,
  .feature-card,
  .timeline-step,
  .info-card,
  .arch-card,
  .pricing-card {
    padding: 18px;
  }

  .field-grid.two-col,
  .field-grid.three-col,
  .field-grid.four-col,
  .result-grid {
    grid-template-columns: 1fr;
  }

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