/* JEWELRY GOTGAN — Landing (Pure Black + Copper Glow) */
:root {
  --l-bg: #000000;
  --l-card: #161616;
  --l-card-hover: #1F1F1F;
  --l-border: #262626;
  --l-text: #FFFFFF;
  --l-muted: #888888;
  --l-muted-soft: #B8B8B8;
  --l-accent: #FF8533;
  --l-accent-deep: #D96A1F;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--l-bg);
  color: var(--l-text);
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Noto Sans KR', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body { position: relative; min-height: 100vh; overflow-x: hidden; }

body::before {
  content: ''; position: fixed; top: 0; left: 0; right: 0; height: 360px;
  background:
    radial-gradient(ellipse 1200px 280px at 50% -100px, rgba(255,133,51,0.10), transparent 70%),
    radial-gradient(circle 320px at 0% 0%, rgba(255,133,51,0.35), transparent 60%),
    radial-gradient(circle 320px at 100% 0%, rgba(255,133,51,0.35), transparent 60%);
  pointer-events: none; z-index: 1;
}
body::after {
  content: ''; position: fixed; bottom: 0; left: 0; right: 0; height: 280px;
  background:
    radial-gradient(circle 280px at 0% 100%, rgba(255,133,51,0.18), transparent 60%),
    radial-gradient(circle 280px at 100% 100%, rgba(255,133,51,0.18), transparent 60%);
  pointer-events: none; z-index: 1;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--l-accent); }

.l-header { position: relative; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: 22px 48px; }
.l-logo { font-size: 15px; font-weight: 800; letter-spacing: 0.15em; }
.l-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 500; }
.l-nav > a { color: var(--l-muted-soft); }
.l-nav > a:hover { color: var(--l-text); }
.l-btn-primary { background: var(--l-text); color: var(--l-bg); padding: 10px 18px; border: 0; border-radius: 7px; font-weight: 600; font-size: 14px; cursor: pointer; font-family: inherit; }
.l-btn-primary:hover { background: #E8E8E8; }

.l-hero { position: relative; z-index: 5; text-align: center; padding: 140px 24px 100px; }
.l-hero-title { font-size: 60px; font-weight: 800; line-height: 1.2; margin-bottom: 32px; letter-spacing: -0.025em; }
.l-hero-sub { font-size: 16px; font-weight: 400; color: var(--l-muted-soft); line-height: 1.8; max-width: 580px; margin: 0 auto 44px; }
.l-hero-cta { display: flex; gap: 12px; justify-content: center; }
.l-cta-primary { background: var(--l-text); color: var(--l-bg); padding: 14px 30px; border: 0; border-radius: 7px; font-size: 15px; font-weight: 600; cursor: pointer; font-family: inherit; }
.l-cta-primary:hover { background: #E8E8E8; }
.l-cta-secondary { background: transparent; color: var(--l-text); padding: 14px 30px; border: 1px solid var(--l-border); border-radius: 7px; font-size: 15px; font-weight: 500; cursor: pointer; font-family: inherit; }
.l-cta-secondary:hover { border-color: #444; background: rgba(255,255,255,0.04); }

.l-section { position: relative; z-index: 5; padding: 80px 24px 60px; }
.l-section-head { text-align: center; margin-bottom: 56px; }
.l-section-title { font-size: 34px; font-weight: 700; margin-bottom: 14px; letter-spacing: -0.02em; }
.l-section-sub { color: var(--l-muted-soft); font-size: 14px; }

.l-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1080px; margin: 0 auto; }
.l-feature { background: var(--l-card); border: 1px solid var(--l-border); border-radius: 12px; padding: 32px 28px; transition: border-color 0.2s, background 0.2s; }
.l-feature:hover { border-color: rgba(255,133,51,0.5); background: var(--l-card-hover); }
.l-feature-title { font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.l-feature-desc { color: var(--l-muted-soft); font-size: 14px; line-height: 1.75; }

/* Plans */
.l-plans-section { position: relative; z-index: 5; padding: 60px 24px 120px; }
.l-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1100px; margin: 0 auto; align-items: stretch; }
.l-plan { background: var(--l-card); border: 1px solid var(--l-border); border-radius: 16px; padding: 36px 30px; display: flex; flex-direction: column; position: relative; transition: border-color 0.2s, background 0.2s; }
.l-plan:hover { border-color: #3A3A3A; }
.l-plan-featured { border: 1px solid rgba(255,133,51,0.55); background: linear-gradient(180deg, rgba(255,133,51,0.07) 0%, var(--l-card) 35%); box-shadow: 0 0 0 1px rgba(255,133,51,0.15), 0 24px 60px -20px rgba(255,133,51,0.15); }
.l-plan-featured:hover { border-color: var(--l-accent); }
.l-plan-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--l-accent); color: var(--l-bg); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; padding: 5px 14px; border-radius: 100px; }
.l-plan-name { font-size: 14px; font-weight: 600; color: var(--l-muted-soft); margin-bottom: 14px; letter-spacing: 0.02em; }
.l-plan-featured .l-plan-name { color: var(--l-accent); }
.l-plan-price { font-size: 36px; font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
.l-plan-price small { font-size: 14px; font-weight: 500; color: var(--l-muted); letter-spacing: 0; margin-left: 4px; }
.l-plan-tax { font-size: 12px; color: var(--l-muted); margin-top: 4px; margin-bottom: 18px; }
.l-plan-pitch { font-size: 13px; color: var(--l-muted-soft); line-height: 1.7; padding-bottom: 22px; border-bottom: 1px solid var(--l-border); margin-bottom: 22px; min-height: 60px; }
.l-plan-feats { list-style: none; margin-bottom: 28px; flex: 1; }
.l-plan-feats li { display: flex; gap: 10px; font-size: 14px; line-height: 1.5; padding: 8px 0; color: var(--l-muted-soft); }
.l-plan-feats li::before { content: '✓'; color: var(--l-accent); font-weight: 700; flex-shrink: 0; width: 14px; }
.l-plan-featured .l-plan-feats li { color: var(--l-text); }
.l-plan-feats li.muted { color: #555; }
.l-plan-feats li.muted::before { content: '—'; color: #444; }
.l-plan-cta { width: 100%; padding: 13px 20px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: inherit; border: 0; transition: opacity 0.2s, background 0.2s; }
.l-plan-cta-outline { background: transparent; color: var(--l-text); border: 1px solid var(--l-border); }
.l-plan-cta-outline:hover { border-color: #444; background: rgba(255,255,255,0.04); }
.l-plan-cta-primary { background: var(--l-accent); color: var(--l-bg); }
.l-plan-cta-primary:hover { background: var(--l-accent-deep); }
.l-plan-cta-dark { background: var(--l-text); color: var(--l-bg); }
.l-plan-cta-dark:hover { background: #DDDDDD; }

.l-footer { position: relative; z-index: 5; text-align: center; padding: 28px 24px 36px; color: var(--l-muted); font-size: 12px; }

@media (max-width: 768px) {
  .l-features, .l-plans { grid-template-columns: 1fr; }
  .l-hero-title { font-size: 36px; }
  .l-section-title { font-size: 26px; }
  .l-header { padding: 18px 24px; }
  .l-hero { padding: 80px 24px 60px; }
}


/* AI Model Showcase */
.l-showcase-section { position: relative; z-index: 5; padding: 40px 24px 80px; }
.l-showcase { max-width: 760px; margin: 0 auto; background: var(--l-card); border: 1px solid var(--l-border); border-radius: 18px; overflow: hidden; box-shadow: 0 20px 60px -20px rgba(0,0,0,0.6); }
.l-showcase img { width: 100%; height: auto; display: block; }
.l-showcase-caption { padding: 22px 28px; display: flex; justify-content: space-between; align-items: baseline; border-top: 1px solid var(--l-border); }
.l-showcase-label { display: flex; flex-direction: column; gap: 4px; }
.l-showcase-number { font-size: 16px; font-weight: 700; letter-spacing: 0.05em; }
.l-showcase-sub { font-size: 12px; color: var(--l-muted); }
.l-showcase-tag { font-size: 11px; color: var(--l-accent); border: 1px solid var(--l-accent); padding: 5px 11px; border-radius: 100px; letter-spacing: 0.08em; }


/* AI Model Showcase — Grid (4-column) */
.l-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
}
.l-showcase-card {
  background: var(--l-card);
  border: 1px solid var(--l-border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.l-showcase-card:hover {
  border-color: rgba(255,133,51,0.5);
}
.l-showcase-card img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.l-showcase-card-caption {
  padding: 14px 16px;
  border-top: 1px solid var(--l-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.l-showcase-card-num {
  font-size: 13px;
  font-weight: 600;
}
.l-showcase-card-tag {
  font-size: 10px;
  color: var(--l-accent);
  border: 1px solid var(--l-accent);
  padding: 3px 9px;
  border-radius: 100px;
  letter-spacing: 0.05em;
  font-weight: 600;
}
@media (max-width: 768px) {
  .l-showcase-grid { grid-template-columns: 1fr 1fr; }
}


/* 3-column modifier for 6-card grids */
.l-showcase-grid--3col {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 768px) {
  .l-showcase-grid--3col { grid-template-columns: 1fr 1fr; }
}

/* a 태그로 CTA 변환 시 text-decoration 제거 */
a.l-cta-primary,a.l-cta-secondary,a.l-plan-cta,a.l-plan-cta-outline,a.l-plan-cta-primary,a.l-plan-cta-dark{text-decoration:none;display:inline-block;text-align:center;}