/*
Design DNA (이번 생성용 – 고정)
스타일 프리셋: Premium Alchemy Atelier
컬러 전략: Deep Charcoal Base + Antique Gold Accent + Porcelain White Highlights
레이아웃 패턴: Artifact Gallery Grid + Elegant Detail Drawer
섹션 순서 템플릿: Header → Hero → Mobile Game Atelier → Services → About → Contact/Location → Business Info → Footer
아이콘 스타일: Ornate Thin Line Icon (SVG, refined, slightly classic)
배경 패턴: Subtle Sigil Circles (SVG, ultra low contrast)
*/
:root {
  --charcoal-900: #141414;
  --charcoal-800: #1d1d1d;
  --charcoal-700: #262626;
  --gold: #b79a55;
  --gold-soft: #d1be8a;
  --porcelain-100: #f8f6f2;
  --porcelain-200: #eee9e1;
  --ink: #1f1f1f;
  --line: rgba(183, 154, 85, 0.35);
  --shadow: rgba(20, 20, 20, 0.18);
  --max-width: 1200px;
  --radius: 18px;
  --transition: 220ms ease;
  --font: "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--porcelain-100);
  line-height: 1.6;
  letter-spacing: 0.01em;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--gold);
  color: #141414;
  padding: 8px 14px;
  border-radius: 999px;
  z-index: 10;
}

.skip-link:focus {
  left: 12px;
}

.container {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin: 0 0 12px;
}

.section {
  padding: 96px 0;
}

.section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.section-head p {
  max-width: 720px;
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(248, 246, 242, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(20, 20, 20, 0.08);
  transition: var(--transition);
}

.site-header.is-compact {
  background: rgba(238, 233, 225, 0.96);
  box-shadow: 0 8px 20px rgba(20, 20, 20, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  transition: var(--transition);
}

.site-header.is-compact .header-inner {
  padding: 10px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 44px;
  height: 44px;
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.04em;
}

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

.nav a {
  position: relative;
  padding-bottom: 4px;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: var(--transition);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(20, 20, 20, 0.2);
  border-radius: 999px;
  padding: 8px 10px;
  gap: 6px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 3px 0;
  border-radius: 999px;
}

.hero {
  background: linear-gradient(135deg, var(--charcoal-900), var(--charcoal-700));
  color: var(--porcelain-100);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 400'%3E%3Ccircle cx='200' cy='200' r='120' fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='2'/%3E%3Ccircle cx='520' cy='200' r='160' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='2'/%3E%3Ccircle cx='900' cy='200' r='130' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='2'/%3E%3C/svg%3E");
  opacity: 0.7;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
  padding: 90px 0 110px;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1.2;
  margin: 0 0 18px;
}

.lead {
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 0 26px;
  color: var(--porcelain-200);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.btn.primary {
  background: var(--gold);
  color: var(--charcoal-900);
}

.btn.primary:hover {
  background: var(--gold-soft);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.45);
  color: var(--porcelain-100);
}

.btn.ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.hero-divider {
  width: 80px;
  height: 1px;
  background: var(--gold);
  margin: 14px 0 18px;
}

.hero-note {
  max-width: 460px;
  color: rgba(238, 233, 225, 0.8);
  margin: 0;
}

.hero-visual {
  justify-self: center;
  max-width: 520px;
}

.card {
  background: var(--porcelain-100);
  border: 1px solid rgba(20, 20, 20, 0.08);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(20, 20, 20, 0.06);
}

.artifact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.artifact-card {
  text-align: left;
  background: var(--porcelain-100);
  border: 1px solid rgba(20, 20, 20, 0.1);
  border-radius: var(--radius);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
}

.artifact-card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.artifact-card h3 {
  margin: 10px 0 0;
  font-size: 1rem;
}

.detail-drawer {
  margin-top: 24px;
  background: var(--porcelain-200);
  border: 1px solid rgba(183, 154, 85, 0.3);
  border-radius: var(--radius);
  padding: 20px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
}

.detail-drawer.is-open {
  max-height: 220px;
  opacity: 1;
  transform: translateY(0);
}

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

.drawer-close {
  background: none;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
}

.services {
  background: linear-gradient(180deg, var(--porcelain-100), #f1ede6);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 140px;
}

.service-card h3 {
  margin: 0;
  font-size: 0.95rem;
}

.icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.principles {
  display: grid;
  gap: 16px;
}

.principle h3 {
  margin: 0 0 8px;
}

.contact {
  background: #f1ede6;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
  gap: 30px;
  align-items: start;
}

.note-box {
  border-left: 2px solid var(--gold);
  padding-left: 16px;
  margin: 22px 0;
}

.note-box ul {
  padding-left: 18px;
  margin: 0;
}

.contact-info {
  display: grid;
  gap: 12px;
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(20, 20, 20, 0.1);
}

.contact-cta {
  margin-top: 16px;
  color: #4a463f;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea {
  border: 1px solid rgba(20, 20, 20, 0.2);
  border-radius: 12px;
  padding: 10px 12px;
  font-family: inherit;
  background: #fffdf9;
}

.form-status {
  margin: 0;
  font-size: 0.88rem;
  color: #4a463f;
}

.business {
  background: var(--porcelain-100);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.info-card {
  border: 1px solid rgba(20, 20, 20, 0.1);
  border-radius: 16px;
  padding: 18px;
  background: #fffdf9;
}

.info-card span {
  display: block;
  color: #6a655d;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.site-footer {
  background: var(--charcoal-900);
  color: var(--porcelain-100);
  padding: 36px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.to-top {
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 8px 16px;
  border-radius: 999px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 900px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    position: absolute;
    right: 16px;
    top: 70px;
    background: var(--porcelain-100);
    border: 1px solid rgba(20, 20, 20, 0.12);
    border-radius: 14px;
    padding: 16px;
    flex-direction: column;
    gap: 12px;
    min-width: 220px;
    box-shadow: 0 16px 30px rgba(20, 20, 20, 0.1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: var(--transition);
  }

  .nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .hero-grid {
    padding: 70px 0 80px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto;
    transition: none !important;
    animation: none !important;
  }
}