:root {
  --paper-white: #fffefb;
  --paper-cream: #faf7f0;
  --ink-black: #1a1a1a;
  --ink-gray: #6b6b63;
  --ink-faint: #d8d4c8;
  --pen-amber: #e8890a;
  --pen-red-dark: #b8362d;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper-white);
  color: var(--ink-black);
  font-family: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Malgun Gothic",
    sans-serif;
  line-height: 1.6;
}

h1,
h2,
h3,
.brand {
  font-family: "Gaegu", "Noto Sans KR", sans-serif;
  font-weight: 700;
}

a {
  color: var(--ink-black);
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  border-bottom: 2.5px solid var(--ink-black);
  background: var(--paper-cream);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  text-decoration: none;
  color: var(--ink-black);
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

nav.site-nav {
  display: flex;
  gap: 22px;
  font-size: 0.95rem;
}

nav.site-nav a {
  text-decoration: none;
  color: var(--ink-gray);
}

nav.site-nav a:hover {
  color: var(--ink-black);
}

/* Hero */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero h1 {
  font-size: 2.3rem;
  margin: 0 0 16px;
}

.hero p {
  color: var(--ink-gray);
  font-size: 1.08rem;
  max-width: 560px;
  margin: 0 auto;
}

/* Sections */
section {
  padding: 48px 0;
}

section + section {
  border-top: 2px solid var(--ink-faint);
}

section h2 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

section > .wrap > p.section-sub {
  color: var(--ink-gray);
  margin-top: 0;
  margin-bottom: 32px;
}

/* App portfolio grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.app-card {
  background: var(--paper-cream);
  border: 2.5px solid var(--ink-black);
  border-radius: var(--radius-lg);
  box-shadow: 3px 4px 0 var(--ink-black);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.app-card img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--paper-white);
  border: 1.5px solid var(--ink-faint);
  flex-shrink: 0;
}

.app-card h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.app-card p {
  margin: 0;
  color: var(--ink-gray);
  font-size: 0.92rem;
}

/* Contact */
.contact-card {
  background: var(--paper-cream);
  border: 2.5px solid var(--ink-black);
  border-radius: var(--radius-lg);
  box-shadow: 3px 4px 0 var(--ink-black);
  padding: 28px;
  text-align: center;
}

.contact-card a.email {
  display: inline-block;
  margin-top: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pen-amber);
  text-decoration: none;
}

/* Footer */
footer.site-footer {
  border-top: 2.5px solid var(--ink-black);
  background: var(--paper-cream);
  padding: 28px 0;
  font-size: 0.82rem;
  color: var(--ink-gray);
}

footer.site-footer .biz-info {
  line-height: 1.9;
}

footer.site-footer .biz-info strong {
  color: var(--ink-black);
}

footer.site-footer .foot-links {
  margin-top: 12px;
}

footer.site-footer .foot-links a {
  color: var(--ink-gray);
  margin-right: 16px;
  text-decoration: underline;
}

/* Privacy policy page */
.policy {
  padding: 56px 0 80px;
}

.policy h1 {
  font-size: 1.9rem;
}

.policy .updated {
  color: var(--ink-gray);
  font-size: 0.9rem;
  margin-bottom: 40px;
}

.policy h2 {
  font-size: 1.25rem;
  margin-top: 40px;
  border-left: 4px solid var(--pen-amber);
  padding-left: 12px;
}

.policy table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 0.92rem;
}

.policy table th,
.policy table td {
  border: 1.5px solid var(--ink-faint);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.policy table th {
  background: var(--paper-cream);
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--ink-gray);
  text-decoration: none;
}

.back-link:hover {
  color: var(--ink-black);
}

@media (max-width: 600px) {
  .site-header .wrap {
    flex-direction: column;
    gap: 10px;
  }

  nav.site-nav {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero h1 {
    font-size: 1.7rem;
  }
}