/* HERO */
/* HERO — Stripe 라이트 메시 (DESIGN-stripe.md) */
.hero {
  background: #ffffff;
  padding: 128px 24px 72px; /* top: nav 64px + 여백 64px */
  text-align: center;
  position: relative; overflow: hidden;
  border-bottom: 1px solid #e3e8ee;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 78% 58% at 85% 15%, rgba(83,58,253,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 55% 65% at 96% 55%, rgba(234,34,97,0.09) 0%, transparent 48%),
    radial-gradient(ellipse 45% 38% at 12% 12%, rgba(245,233,212,0.72) 0%, transparent 50%),
    radial-gradient(ellipse 55% 52% at 42% -8%, rgba(199,191,253,0.60) 0%, transparent 52%);
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(110deg, rgba(255,255,255,0.85) 0%, transparent 60%);
}
.hero-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.hero-eyebrow {
  display: inline-block; font-size: 10px; font-weight: 400; letter-spacing: 0.1px;
  text-transform: uppercase; color: #4434d4;
  background: #b9b9f9; border: none;
  border-radius: 9999px; padding: 4px 12px; margin-bottom: 24px;
}
.hero h1 { font-size: clamp(30px,5vw,50px); font-weight: 700; color: #0d253d; line-height: 1.08; margin-bottom: 20px; letter-spacing: -1.2px; }
.hero h1 em { font-style: normal; color: #533afd; }
.hero-sub { font-size: 16px; font-weight: 400; color: #64748d; line-height: 1.75; margin-bottom: 28px; }
.plan-note {
  display: inline-flex; align-items: center; gap: 8px;
  background: #f6f9fc; border: 1px solid #e3e8ee;
  border-radius: 8px; padding: 10px 18px;
  font-size: 13px; color: #0d253d; font-weight: 400;
}

/* LAYOUT */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 720px; margin: 0 auto; }
section { padding: 80px 0; }
.section-eyebrow { font-size: 11px; font-weight: 400; letter-spacing: 0.15em; text-transform: uppercase; color: var(--clr-primary); margin-bottom: 12px; }
.section-title { font-size: clamp(26px,4vw,40px); font-weight: 700; color: var(--text); line-height: 1.1; margin-bottom: 16px; letter-spacing: -0.72px; }
.section-title em { font-style: normal; font-weight: 700; color: #533afd; }
.section-sub { font-size: 15px; color: var(--muted2); line-height: 1.75; }
.divider { height: 1px; background: var(--border); margin: 0 24px; }

/* MODULE GRID */
.modules-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.module-card {
  background: #fff; border: 1px solid var(--border); border-radius: 18px;
  padding: 32px 28px; transition: all 0.25s;
}
.module-card:hover { border-color: var(--clr-primary-mid); box-shadow: 0 8px 28px rgba(83,58,253,0.1); transform: translateY(-3px); }
.module-icon { font-size: 28px; width: 56px; height: 56px; background: var(--clr-primary-sub); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.module-tag { font-size: 11px; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clr-primary); margin-bottom: 8px; }
.module-title { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.module-desc { font-size: 14px; color: var(--muted2); line-height: 1.75; margin-bottom: 18px; }
.module-control {
  font-size: 13px; color: var(--muted2); padding: 10px 14px;
  background: var(--bg2); border-radius: 8px; margin-bottom: 16px; line-height: 1.6;
}
.module-control strong { color: var(--clr-primary); font-weight: 600; }
.module-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sys-tag {
  font-size: 11px; font-weight: 600; color: var(--muted2);
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; padding: 3px 9px;
}

/* SUMMARY TABLE */
.summary-table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.summary-table th { background: var(--bg2); padding: 14px 20px; font-size: 12px; font-weight: 400; text-align: left; color: var(--muted2); text-transform: uppercase; letter-spacing: 0.08em; border-bottom: 1px solid var(--border); }
.summary-table td { padding: 14px 20px; font-size: 14px; color: var(--text2); border-bottom: 1px solid var(--border); vertical-align: top; }
.summary-table tr:last-child td { border-bottom: none; }
.summary-table tr:hover td { background: var(--bg2); }
.badge-g { background: #dcfce7; color: #16a34a; font-size: 11px; font-weight: 400; padding: 3px 10px; border-radius: 20px; white-space: nowrap; }
.badge-b { background: var(--clr-primary-sub); color: var(--clr-primary); font-size: 11px; font-weight: 400; padding: 3px 10px; border-radius: 20px; white-space: nowrap; }

/* LAYER SECTION */
.layer-section { padding: 80px 0; }
.layer-intro { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.layer-stack { display: flex; flex-direction: column; gap: 40px; }
.layer-block {
  border-radius: 20px; overflow: hidden;
  border: 1px solid var(--border);
}
.layer-header {
  display: flex; align-items: center; gap: 20px;
  padding: 28px 36px;
}
.layer-header.l1 { background: linear-gradient(135deg, #f0edff 0%, #e8e6ff 100%); border-bottom: 1px solid #d4d1fe; }
.layer-header.l2 { background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%); border-bottom: 1px solid #bbf7d0; }
.layer-header.l3 { background: linear-gradient(135deg, #fde8ef 0%, #f9c7d6 100%); border-bottom: 1px solid #fdba74; }
.layer-badge {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 600; flex-shrink: 0;
}
.layer-badge.l1 { background: #533afd; color: #fff; }
.layer-badge.l2 { background: #16a34a; color: #fff; }
.layer-badge.l3 { background: #ea580c; color: #fff; }
.layer-label { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 4px; }
.layer-label.l1 { color: #533afd; }
.layer-label.l2 { color: #16a34a; }
.layer-label.l3 { color: #ea580c; }
.layer-title { font-size: 20px; font-weight: 700; color: var(--text); line-height: 1.25; }
.layer-desc-short { font-size: 14px; color: var(--muted2); margin-top: 4px; line-height: 1.6; }
.layer-items {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  background: #fff;
}
.layer-item {
  padding: 22px 22px 20px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.18s;
}
.layer-item:nth-child(4n) { border-right: none; }
.layer-item:nth-last-child(-n+4) { border-bottom: none; }
.layer-item:hover { background: var(--bg2); }
.li-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; margin-bottom: 12px;
}
.li-icon.l1 { background: #f0edff; color: #533afd; }
.li-icon.l2 { background: #f0fdf4; color: #16a34a; }
.li-icon.l3 { background: #fde8ef; color: #ea580c; }
.li-title { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1.35; }
.li-desc { font-size: 12px; color: var(--muted2); line-height: 1.6; }

/* CTA STRIP */
.cta-section { background: linear-gradient(135deg, #0c1a3a, #0f2460); border-radius: 20px; padding: 60px 40px; text-align: center; }
.cta-section h2 { font-size: clamp(22px,3vw,32px); font-weight: 700; color: #fff; margin-bottom: 12px; }
.cta-section p { font-size: 15px; color: rgba(255,255,255,0.7); margin-bottom: 28px; line-height: 1.7; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-white { display: inline-block; background: #fff; color: var(--clr-primary); font-size: 14px; font-weight: 500; padding: 14px 32px; border-radius: 10px; transition: transform 0.2s; }
.btn-white:hover { transform: translateY(-2px); }
.btn-outline { display: inline-block; background: transparent; color: rgba(255,255,255,0.8); font-size: 14px; font-weight: 400; padding: 10px 22px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.25); transition: all 0.2s; }
.btn-outline:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* FOOTER */
.site-footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 32px 24px; text-align: center; }
.footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.footer-links a { font-size: 13px; color: var(--muted2); }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 12px; color: var(--muted); }

/* ═══════════════════════════════════════════════════════════
   SVC TAB SECTION — Stripe tab+checklist+mockup pattern
   ═══════════════════════════════════════════════════════════ */

/* Tab section wrapper */
.svc-tab-section { padding: 88px 0; background: #fff; }

/* Tab Bar */
.svc-tab-bar {
  display: flex; gap: 8px; justify-content: center;
  margin-bottom: 52px; flex-wrap: wrap;
}
.svc-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 9999px;
  border: 1.5px solid var(--clr-hairline);
  background: #fff; color: var(--clr-ink-mute);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all 0.18s; font-family: inherit;
}
.svc-tab:hover { border-color: var(--clr-primary-sub); color: var(--clr-primary); background: #f4f2ff; }
.svc-tab.active {
  background: var(--clr-primary); color: #fff;
  border-color: var(--clr-primary);
  box-shadow: 0 4px 14px rgba(83,58,253,0.28);
}
.svc-tab-badge {
  font-size: 11px; font-weight: 700; padding: 2px 7px;
  border-radius: 5px; letter-spacing: 0.04em;
}
.svc-tab.active .svc-tab-badge { background: rgba(255,255,255,0.22); color: #fff; }
.svc-tab:not(.active) .svc-tab-badge.l1 { background: #e8e5ff; color: #533afd; }
.svc-tab:not(.active) .svc-tab-badge.l2 { background: #dcfce7; color: #16a34a; }
.svc-tab:not(.active) .svc-tab-badge.l3 { background: #fde8ef; color: #ea2261; }

/* Panel show/hide */
.svc-panel { display: none; }
.svc-panel.active { display: block; }

/* Panel eyebrow / headings */
.svc-panel-eyebrow {
  font-size: 11px; font-weight: 400; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--clr-primary); margin-bottom: 10px;
}
.svc-panel-h3 {
  font-size: clamp(22px, 3vw, 30px); font-weight: 700;
  color: var(--clr-ink); line-height: 1.2; margin-bottom: 14px;
  letter-spacing: -0.5px;
}
.svc-panel-h3 em { font-style: normal; color: var(--clr-primary); }
.svc-panel-desc { font-size: 15px; color: var(--clr-ink-mute); line-height: 1.75; margin-bottom: 28px; }

/* Split layout: left text / right visual */
.svc-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: center;
}
.svc-split-txt { min-width: 0; }

/* Checklist */
.svc-checklist { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.svc-checklist li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--clr-ink-2); line-height: 1.6;
}
.svc-checklist li i {
  flex-shrink: 0; margin-top: 3px; font-size: 11px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--clr-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.svc-checklist li strong { color: var(--clr-ink); font-weight: 600; }

/* Visual pane with gradient bg */
.svc-split-vis {
  border-radius: 20px; padding: 28px; min-height: 340px;
  display: flex; align-items: center; justify-content: center;
}
.svc-vis-l1 { background: linear-gradient(135deg, #f0edff 0%, #e6e3ff 100%); }
.svc-vis-l2 { background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%); }
.svc-vis-l3 { background: linear-gradient(135deg, #fde8ef 0%, #fcd7e1 100%); }

/* ── Browser mockup card ── */
.svc-mockup-card {
  background: #fff; border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,55,112,0.12), 0 2px 8px rgba(0,55,112,0.06);
  overflow: hidden; width: 100%; max-width: 360px;
}
.svc-mockup-header {
  background: #f6f9fc; border-bottom: 1px solid #e3e8ee;
  padding: 10px 14px; display: flex; align-items: center; gap: 10px;
}
.svc-mockup-dots { display: flex; gap: 5px; }
.smk-dot { width: 10px; height: 10px; border-radius: 50%; display: block; }
.smk-dot-r { background: #ff6058; }
.smk-dot-y { background: #ffbd2e; }
.smk-dot-g { background: #27c93f; }
.svc-mockup-url {
  font-size: 11px; color: var(--clr-ink-mute); background: #eef2f7;
  border-radius: 5px; padding: 3px 10px; flex: 1; display: flex; align-items: center; gap: 4px;
}
.svc-mockup-body { padding: 16px; }
.svc-mockup-divider { height: 1px; background: var(--clr-hairline); margin: 12px 0; }

/* Status row items */
.svc-status-row { display: flex; flex-direction: column; gap: 8px; }
.svc-status-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--clr-ink-2); padding: 7px 10px;
  background: #f6f9fc; border-radius: 7px;
}
.svc-status-item.ok i { color: #10b981; }

/* Mockup rows (key-value) */
.svc-mockup-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 0; font-size: 13px;
}
.svc-mrow-label { color: var(--clr-ink-mute); }
.svc-mrow-val { font-weight: 600; color: var(--clr-ink); }
.svc-mrow-badge {
  font-size: 11px; font-weight: 500; padding: 3px 10px;
  border-radius: 20px;
}
.svc-mrow-badge.green { background: #dcfce7; color: #16a34a; }
.svc-mrow-badge.blue { background: #e8e5ff; color: #533afd; }
.svc-mrow-badge.orange { background: #fff4e6; color: #ea580c; }

/* Channel grid (L2) */
.svc-channel-grid { display: flex; flex-direction: column; gap: 8px; }
.svc-ch-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; background: #f6f9fc; border-radius: 8px;
}
.svc-ch-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.svc-ch-name { font-size: 13px; font-weight: 600; color: var(--clr-ink); line-height: 1.2; }
.svc-ch-stat { font-size: 11px; color: var(--clr-ink-mute); }
.svc-ch-item .svc-mrow-badge { margin-left: auto; flex-shrink: 0; }

/* KPI mini grid (L3) */
.svc-kpi-mini-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.svc-kpi-mini {
  background: #f6f9fc; border-radius: 9px; padding: 10px 10px 8px;
  text-align: center;
}
.svc-kpi-mini-label { font-size: 10px; color: var(--clr-ink-mute); margin-bottom: 4px; line-height: 1.3; }
.svc-kpi-mini-val { font-size: 18px; font-weight: 700; color: var(--clr-ink); line-height: 1.1; margin-bottom: 4px; }
.svc-kpi-mini-delta { font-size: 10px; font-weight: 600; }
.svc-kpi-mini-delta.up { color: #10b981; }
.svc-kpi-mini-delta.down { color: #ea2261; }

/* Growth bar chart (L3) */
.svc-growth-bar-wrap { margin-top: 4px; }
.svc-growth-bar-label { font-size: 11px; color: var(--clr-ink-mute); margin-bottom: 8px; }
.svc-growth-bars {
  display: flex; align-items: flex-end; gap: 6px;
  height: 100px; padding-bottom: 20px; position: relative;
}
.svc-g-col {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end; gap: 4px;
}
.svc-g-col span { font-size: 10px; color: var(--clr-ink-mute); }
.svc-g-bar {
  width: 100%; background: #c7c3fd; border-radius: 4px 4px 0 0;
  transition: background 0.2s;
}

/* ═══════════════════════════════════════════════════════════
   SVC LAYER SUMMARY SECTION — 3-col layer cards
   ═══════════════════════════════════════════════════════════ */

.svc-layer-summary-section { padding: 88px 0; background: var(--clr-canvas-soft); }

/* 3-col card grid */
.svc-layer-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; align-items: stretch;
}

/* Individual layer card */
.svc-lcard {
  background: #fff; border-radius: 20px;
  border: 1.5px solid var(--clr-hairline);
  padding: 32px 28px 24px;
  display: flex; flex-direction: column;
  box-shadow: 0 2px 12px rgba(0,55,112,0.06);
  transition: box-shadow 0.22s, transform 0.22s;
}
.svc-lcard:hover {
  box-shadow: 0 8px 32px rgba(83,58,253,0.12);
  transform: translateY(-3px);
}
.svc-lcard-l1 { border-top: 3px solid #533afd; }
.svc-lcard-l2 { border-top: 3px solid #16a34a; }
.svc-lcard-l3 { border-top: 3px solid #ea2261; }

/* Card header */
.svc-lcard-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.svc-lcard-badge {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; letter-spacing: -0.3px;
}
.svc-lcard-badge.l1 { background: #533afd; color: #fff; }
.svc-lcard-badge.l2 { background: #16a34a; color: #fff; }
.svc-lcard-badge.l3 { background: #ea2261; color: #fff; }
.svc-lcard-eyebrow { font-size: 10px; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clr-ink-mute); margin-bottom: 2px; }
.svc-lcard-title { font-size: 16px; font-weight: 700; color: var(--clr-ink); line-height: 1.25; }
.svc-lcard-desc { font-size: 13px; color: var(--clr-ink-mute); line-height: 1.75; margin-bottom: 20px; }

/* Checklist inside cards */
.svc-lcard-list { list-style: none; padding: 0; margin: 0 0 auto; display: flex; flex-direction: column; gap: 9px; }
.svc-lcard-list li { display: flex; align-items: flex-start; gap: 9px; font-size: 13px; color: var(--clr-ink-2); line-height: 1.5; }
.svc-lcard-list li i {
  flex-shrink: 0; margin-top: 3px; font-size: 9px;
  width: 17px; height: 17px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.svc-lcard-l1 .svc-lcard-list li i { background: #e8e5ff; color: #533afd; }
.svc-lcard-l2 .svc-lcard-list li i { background: #dcfce7; color: #16a34a; }
.svc-lcard-l3 .svc-lcard-list li i { background: #fde8ef; color: #ea2261; }

/* Card footer */
.svc-lcard-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 24px; padding-top: 16px;
  border-top: 1px solid var(--clr-hairline);
}
.svc-lcard-count { font-size: 11px; font-weight: 500; color: var(--clr-ink-mute); }
.svc-lcard-link {
  font-size: 12px; font-weight: 600; display: inline-flex; align-items: center; gap: 5px;
  text-decoration: none; transition: gap 0.18s;
}
.svc-lcard-l1 .svc-lcard-link { color: #533afd; }
.svc-lcard-l2 .svc-lcard-link { color: #16a34a; }
.svc-lcard-l3 .svc-lcard-link { color: #ea2261; }
.svc-lcard-link:hover { gap: 8px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .modules-grid { grid-template-columns: 1fr 1fr; }
  .layer-items { grid-template-columns: repeat(2, 1fr); }
  .layer-item:nth-child(4n) { border-right: 1px solid var(--border); }
  .layer-item:nth-child(2n) { border-right: none; }
  .layer-item:nth-last-child(-n+4) { border-bottom: 1px solid var(--border); }
  .layer-item:nth-last-child(-n+2) { border-bottom: none; }
  .svc-split { grid-template-columns: 1fr; gap: 32px; }
  .svc-layer-cards { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}
@media (max-width: 600px) {
  .modules-grid { grid-template-columns: 1fr; }
  .layer-items { grid-template-columns: 1fr 1fr; }
  .layer-header { padding: 20px 22px; }
  .hero { padding: 96px 16px 56px; } /* 모바일: nav 64px + 여백 32px */
  section { padding: 56px 0; }
  .nav-links { display: none; }
  .cta-section { padding: 40px 24px; }
  .svc-tab-bar { gap: 6px; }
  .svc-tab { padding: 8px 14px; font-size: 13px; }
  .svc-split-vis { padding: 16px; min-height: auto; }
  .svc-kpi-mini-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .svc-lcard { padding: 24px 20px 20px; }
}