:root {
  --bg: #050b1d;
  --bg-deep: #030712;
  --bg-soft: rgba(15, 25, 55, 0.7);
  --glass: rgba(20, 35, 75, 0.4);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-specular: rgba(255, 255, 255, 0.05);

  --text: #f0f4ff;
  --text-dim: #a5b5d9;
  --muted: #8a9fc9;

  --primary: #45ded0;
  --primary-glow: rgba(69, 222, 208, 0.35);
  --accent: #7c88ff;
  --accent-glow: rgba(124, 136, 255, 0.3);
  --success: #67e8f9;
  --danger: #ff6b81;

  --ease-sq: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-elastic: cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, "IBM Plex Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--text);
  background: var(--bg-deep);
  overflow-x: hidden;
  line-height: 1.6;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 15%, rgba(69, 222, 208, 0.08), transparent 30%),
    radial-gradient(circle at 85% 85%, rgba(124, 136, 255, 0.08), transparent 35%),
    radial-gradient(circle at 50% 50%, rgba(15, 25, 55, 1) 0%, var(--bg-deep) 100%);
}

.mode-badge {
  position: fixed;
  top: 76px;
  right: 16px;
  z-index: 21;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #d9e4ff;
  background: rgba(12, 22, 46, 0.85);
}

.progress-line {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--success));
  z-index: 100;
  box-shadow: 0 0 15px var(--primary-glow);
  transition: width 0.2s ease-out;
}

.container {
  max-width: 1120px;
  width: min(96vw, 1120px);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  backdrop-filter: blur(20px) saturate(180%);
  background: rgba(5, 11, 29, 0.7);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
}

.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-size: 20px;
  letter-spacing: 0.06em;
}

.nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
}

.nav a {
  color: #d6e1ff;
  text-decoration: none;
  font-size: 14px;
}

.menu-button {
  display: none;
  border: 0;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  font-size: 22px;
  margin-left: 8px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  padding: 12px 24px;
  color: var(--text);
  background: var(--glass);
  backdrop-filter: blur(8px);
  cursor: pointer;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.3s var(--ease-sq);
  overflow: hidden;
}

.glass-premium {
  background: linear-gradient(135deg, rgba(15, 25, 55, 0.4), rgba(5, 11, 29, 0.6));
  border: 1px solid var(--glass-border);
  box-shadow:
    0 25px 50px -12px rgba(0, 0, 0, 0.5),
    inset 0 1px 1px var(--glass-specular);
  backdrop-filter: blur(20px);
}

.reveal-stagger>* {
  opacity: 0;
  transform: translateY(30px);
}

.reveal-stagger.visible>* {
  animation: fadeIn 0.8s var(--ease-sq) forwards;
}

.reveal-stagger.visible>*:nth-child(1) {
  animation-delay: 0.1s;
}

.reveal-stagger.visible>*:nth-child(2) {
  animation-delay: 0.2s;
}

.reveal-stagger.visible>*:nth-child(3) {
  animation-delay: 0.3s;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(130deg, transparent, var(--glass-specular), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-sq);
}

.btn:hover {
  transform: translateY(-2px);
  background: rgba(25, 45, 95, 0.6);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn.primary {
  background: linear-gradient(135deg, #37caf2 0%, var(--primary) 100%);
  border: none;
  color: var(--bg-deep);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn.primary:hover {
  box-shadow: 0 8px 25px var(--primary-glow);
  filter: brightness(1.1);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.04);
}

.mobile-menu {
  position: fixed;
  inset: 68px 0 auto 0;
  display: none;
  background: rgba(10, 16, 34, 0.98);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  gap: 16px;
  padding: 16px 5vw 20px;
  z-index: 9;
  transform: translateY(-120%);
  transition: transform 220ms ease;
}

.mobile-menu.open {
  transform: translateY(0);
}

.mobile-menu a {
  color: #e2e8ff;
  text-decoration: none;
}

.hero {
  padding: 120px 0 80px;
  display: grid;
  gap: 60px;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
}

.eyebrow {
  color: var(--primary);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.14em;
}

.hero-copy h1 {
  margin: 12px 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(34px, 4.7vw, 56px);
  line-height: 1.07;
}

.hero-copy p {
  color: var(--muted);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.hero-kpi {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-kpi article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: linear-gradient(130deg, rgba(69, 222, 208, 0.11), rgba(141, 149, 255, 0.1));
}

.hero-kpi article strong {
  display: block;
  font-size: 24px;
  margin-bottom: 4px;
}

.hero-kpi article span {
  color: var(--muted);
  font-size: 12px;
}

.hero-panel {
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(17, 32, 63, 0.9), rgba(17, 30, 56, 0.7));
  border-radius: 22px;
  padding: 22px;
}

.hero-panel h2 {
  margin-top: 0;
  font-family: "Space Grotesk", sans-serif;
}

.quick-proof {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.quick-proof-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
}

.quick-proof-label {
  display: inline-block;
  font-size: 11px;
  color: #8bdad2;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.quick-proof-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.quick-proof-card p {
  margin: 0;
  color: var(--muted);
}

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

.evidence-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.evidence-thumb {
  height: 124px;
  border-radius: 12px;
  border: 1px dashed rgba(141, 149, 255, 0.5);
  background:
    linear-gradient(130deg, rgba(69, 222, 208, 0.15), rgba(141, 149, 255, 0.14)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.03) 0 8px, rgba(255, 255, 255, 0) 8px 16px);
  display: grid;
  place-items: center;
  margin-bottom: 12px;
}

.evidence-thumb span {
  font-size: 13px;
  font-weight: 700;
  color: #d5ddff;
}

.evidence-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.evidence-card p {
  margin: 0 0 12px;
  color: var(--muted);
  min-height: 60px;
}

.evidence-card a {
  color: #95f3e8;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.proof-strip article {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
}

.proof-strip h3 {
  margin: 0 0 8px;
  font-family: "Space Grotesk", sans-serif;
}

.proof-strip p {
  margin: 0;
  color: var(--muted);
}

.role-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.role-card {
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  transition: all 0.4s var(--ease-sq);
}

.role-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--primary);
  box-shadow: 0 15px 35px var(--primary-glow);
}

.role-card h3 {
  margin: 12px 0 10px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
}

.role-card p {
  color: var(--text-dim);
  line-height: 1.6;
  min-height: 48px;
}

.role-card .btn {
  margin-top: 10px;
  width: 100%;
}

.result-card strong#demoProjectName {
  font-size: 26px;
  line-height: 1.25;
}

.case-card {
  min-height: 220px;
}

.metric-list {
  list-style: none;
  margin: 14px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.metric-list li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.14);
  padding: 9px 0;
}

.progress-wrap {
  margin-top: 16px;
}

.progress-wrap span {
  color: var(--muted);
  font-size: 13px;
}

.progress {
  margin-top: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 73%;
  border-radius: 999px;
  background: linear-gradient(90deg, #4cf1d7, var(--primary));
  transform-origin: left;
  animation: growth 1200ms ease;
}

@keyframes growth {
  from {
    transform: scaleX(0.88);
  }
}

.section {
  padding: 80px 0;
}

.section-heading h2 {
  margin: 12px 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(32px, 5vw, 48px);
  background: linear-gradient(135deg, var(--text) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal.visible {
  animation: fadeIn 0.8s var(--ease-sq) forwards;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.pillars {
  margin: 24px 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tab {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 10px 16px;
  font-weight: 700;
}

.tab.active {
  background: var(--primary-soft);
  border-color: rgba(69, 222, 208, 0.55);
}

.pane-wrap {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 22px;
  background: rgba(12, 22, 46, 0.7);
}

.pane p {
  color: var(--muted);
}

.pane ul {
  line-height: 1.9;
}

.pane.hidden {
  display: none;
}

.store-controls {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.control-group {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.control-group label {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
  font-size: 13px;
}

select,
input[type="range"] {
  width: 100%;
}

.card-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(160deg, var(--card), var(--card-2));
  padding: 18px;
}

.card h3 {
  font-family: "Space Grotesk", sans-serif;
  margin-top: 8px;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 12px;
  background: rgba(141, 149, 255, 0.2);
}

.mini {
  color: #c4d2ff;
  margin-top: 12px;
  font-size: 14px;
}

.card small {
  display: inline-block;
  margin-top: 10px;
  color: #a5b8f4;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.calc-card,
.result-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
}

.calc-card label,
.result-label {
  color: var(--muted);
  display: block;
  margin: 12px 0 8px;
}

.calc-card span {
  color: #d6e2ff;
}

.result-card h3,
.calc-card h3 {
  margin-top: 0;
  font-family: "Space Grotesk", sans-serif;
}

.result-card strong {
  display: block;
  font-size: 34px;
  margin-bottom: 12px;
}

.badge-neutral {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 2px 10px;
}

.result-card ul {
  color: #d4ddff;
  line-height: 1.95;
  margin: 0 0 18px;
}

.dark {
  background: linear-gradient(165deg, rgba(16, 27, 54, 0.95), rgba(15, 22, 42, 0.95));
  border-radius: 20px;
}

.trust-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.pill {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  padding: 14px;
}

.pill h4 {
  margin: 0 0 8px;
  font-family: "Space Grotesk", sans-serif;
}

.timeline {
  list-style: none;
  display: grid;
  gap: 12px;
  padding: 0;
  margin-top: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline li {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.03);
  position: relative;
}

.timeline li span {
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
}

.timeline li h3 {
  margin: 8px 0;
  font-family: "Space Grotesk", sans-serif;
}

.split {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
}

.split ul {
  margin-top: 18px;
  color: #cad4ff;
  line-height: 1.9;
  padding-left: 20px;
}

.cta-box {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  background: linear-gradient(180deg, rgba(69, 222, 208, 0.19), rgba(141, 149, 255, 0.16));
}

.faq-list {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.025);
}

details summary {
  cursor: pointer;
  font-weight: 700;
}

details p {
  color: #c8d4ff;
}

footer {
  padding: 30px 0 46px;
  border-top: 1px solid var(--line);
  color: #93a6d6;
  font-size: 13px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-link {
  color: #b9c8ff;
  text-decoration: none;
  border-bottom: 1px dotted rgba(185, 200, 255, 0.5);
}

.admin-link:hover {
  color: #ecf1ff;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 14, 0.75);
  display: none;
  place-items: center;
  z-index: 30;
}

.modal.open {
  display: grid;
}

.modal-inner {
  width: min(560px, 92vw);
  background: #0f2146;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 22px;
}

.modal-close {
  float: right;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: #d8e1ff;
}

.modal-inner h3 {
  margin-top: 2px;
  font-family: "Space Grotesk", sans-serif;
}

form label {
  color: #d4e0ff;
  margin-top: 12px;
  display: block;
}

input,
select,
textarea {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: #e6eeff;
  border-radius: 10px;
  padding: 11px;
}

textarea {
  resize: vertical;
}

.toast {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 28px;
  background: #0f2045;
  border: 1px solid var(--line);
  color: #ecf2ff;
  border-radius: 12px;
  padding: 12px 16px;
  display: none;
}

.floating-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 26;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 800;
  color: #08122c;
  background: linear-gradient(130deg, #37caf2, var(--primary));
  box-shadow: 0 10px 24px rgba(37, 208, 204, 0.35);
  cursor: pointer;
}

.field-error {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 117, 136, 0.12);
}

.empty-card {
  border: 1px dashed rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  color: #d2dbff;
  background: rgba(255, 255, 255, 0.02);
}

.ops-panel {
  position: fixed;
  right: 14px;
  bottom: 14px;
  width: min(360px, calc(100vw - 28px));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  background: rgba(9, 18, 39, 0.95);
  backdrop-filter: blur(8px);
  z-index: 25;
}

.ops-panel h4 {
  margin: 0 0 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 14px;
}

.ops-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.ops-stat {
  font-size: 12px;
  color: #c4d0f4;
}

.ops-btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: #e8eeff;
  padding: 8px 10px;
  font-size: 12px;
  cursor: pointer;
}

/* ── 신규 컴포넌트 ─────────────────────────────── */

/* Step Flow (2단계 도식) */
.step-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 24px;
}

.step-box {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  background: linear-gradient(160deg, rgba(20, 34, 74, 0.95), rgba(25, 42, 82, 0.85));
}

.step-num {
  color: var(--primary);
  font-size: 28px;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
}

.step-box h3 {
  margin: 10px 0 8px;
  font-family: "Space Grotesk", sans-serif;
}

.step-box p {
  color: var(--muted);
  margin: 0 0 10px;
}

.step-box ul {
  color: #cad4ff;
  line-height: 2;
  padding-left: 20px;
  margin: 0;
}

.step-arrow {
  font-size: 36px;
  color: var(--primary);
  text-align: center;
  user-select: none;
}

/* Verify Grid (검증 항목 6개) */
.verify-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.verify-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.verify-item.verify-highlight {
  border-color: rgba(69, 222, 208, 0.5);
  background: linear-gradient(160deg, rgba(69, 222, 208, 0.1), rgba(141, 149, 255, 0.08));
}

.verify-num {
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
}

.verify-item h4 {
  margin: 8px 0;
  font-family: "Space Grotesk", sans-serif;
}

.verify-item p {
  color: var(--muted);
  margin: 0;
  font-size: 14px;
}

/* Price Grid (요금 비교) */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

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

.price-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.price-card.price-card-highlight {
  border-color: rgba(69, 222, 208, 0.5);
  background: linear-gradient(160deg, rgba(69, 222, 208, 0.1), rgba(141, 149, 255, 0.08));
}

.price-card h4 {
  margin: 10px 0 6px;
  font-family: "Space Grotesk", sans-serif;
}

.price-card ul {
  color: #cad4ff;
  line-height: 2.1;
  padding-left: 0;
  list-style: none;
  font-size: 14px;
  margin: 8px 0;
}

.muted-item {
  color: var(--muted) !important;
}

.price-note {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0;
}

.pricing-note {
  color: var(--muted);
  font-size: 13px;
  margin-top: 14px;
  line-height: 1.7;
}

/* SLA Table */
.sla-table {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.sla-row {
  display: grid;
  grid-template-columns: 1.4fr 1.6fr 2fr 2fr;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  gap: 12px;
  font-size: 14px;
  align-items: center;
}

.sla-row:last-child {
  border-bottom: none;
}

.sla-head {
  background: rgba(69, 222, 208, 0.08);
  font-weight: 700;
  font-size: 13px;
  color: var(--primary);
}

/* Case card */
.case-grade {
  color: var(--muted);
  font-size: 13px;
  margin-top: 10px;
  margin-bottom: 0;
}

/* Reviews */
.review-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.review-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.025);
}

.review-stars {
  color: #f5c518;
  font-size: 15px;
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}

.review-text {
  color: #d6e0ff;
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 12px;
}

.review-meta {
  color: var(--muted);
  font-size: 12px;
  margin: 0;
}

/* Hero disclaimer */
.hero-disclaimer {
  color: var(--muted);
  font-size: 12px;
  margin: 12px 0 0;
}

/* Footer Legal */
footer {
  padding: 30px 0 46px;
  border-top: 1px solid var(--line);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-company {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: #93a6d6;
}

.footer-company strong {
  color: #c8d4ff;
  font-family: "Space Grotesk", sans-serif;
  display: block;
  width: 100%;
  margin-bottom: 2px;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #b9c8ff;
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px dotted rgba(185, 200, 255, 0.4);
}

.footer-links a:hover {
  color: #ecf1ff;
}

.footer-copy {
  color: #6b7fa3;
  font-size: 12px;
  margin: 0;
  line-height: 1.8;
}

/* Know-how Grid (토막상식) */
.knowhow-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.knowhow-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.knowhow-icon {
  font-size: 24px;
}

.knowhow-item h4 {
  margin: 10px 0 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 15px;
}

.knowhow-item p {
  color: var(--muted);
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
}

/* Self-diagnosis Checklist */
.diag-item {
  margin: 12px 0;
}

.diag-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: #d4e0ff;
  font-size: 14px;
  cursor: pointer;
  line-height: 1.5;
}

.diag-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary);
}

.diag-label {
  color: #d4e0ff;
  margin: 0 0 8px;
}

.diag-desc {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 14px;
  line-height: 1.7;
}

/* ── 스크롤 등장 애니메이션 ────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.08s;
}

.reveal-delay-2 {
  transition-delay: 0.16s;
}

.reveal-delay-3 {
  transition-delay: 0.24s;
}

.reveal-delay-4 {
  transition-delay: 0.32s;
}

.reveal-delay-5 {
  transition-delay: 0.4s;
}

/* ── 카드 호버 인터랙션 ─────────────────────────── */
.proof-strip article,
.knowhow-item,
.verify-item,
.price-card,
.review-card,
.pill,
.role-card,
.diag-situation-btn {
  transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease;
}

.proof-strip article:hover,
.knowhow-item:hover,
.verify-item:hover,
.price-card:hover,
.review-card:hover,
.pill:hover,
.role-card:hover {
  transform: translateY(-4px);
  border-color: rgba(69, 222, 208, 0.35);
  box-shadow: 0 8px 32px rgba(69, 222, 208, 0.08);
}

/* 히어로 KPI 카운트업 */
.kpi-counting {
  display: inline-block;
  transition: transform 0.3s;
}

/* 버튼 클릭 피드백 */
.btn:active {
  transform: scale(0.96);
}

.btn.primary:hover {
  box-shadow: 0 6px 24px rgba(55, 202, 242, 0.25);
}

/* 네비게이션 활성 링크 */
.nav a.active-section {
  color: var(--primary);
}

/* 재방문자 환영 토스트 (확장) */
.toast-welcome {
  background: linear-gradient(135deg, rgba(69, 222, 208, 0.15), rgba(141, 149, 255, 0.1));
  border-color: rgba(69, 222, 208, 0.3);
}

/* 체크박스 체크 시 라벨 효과 */
.diag-check input:checked+span,
.diag-check:has(input:checked) {
  color: var(--primary);
}

/* Hero 패럴랙스 부드러움 */
.hero-panel {
  transition: transform 0.3s ease-out;
}

/* SLA row 호버 */
.sla-row:not(.sla-head):hover {
  background: rgba(69, 222, 208, 0.04);
}

/* FAQ 열기 애니메이션 */
details[open] summary {
  color: var(--primary);
}

details[open] p {
  animation: fadeSlideIn 0.3s ease;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* floating CTA 펄스 */
.floating-cta {
  animation: ctaPulse 3s ease-in-out infinite;
}

@keyframes ctaPulse {

  0%,
  100% {
    box-shadow: 0 10px 24px rgba(37, 208, 204, 0.35);
  }

  50% {
    box-shadow: 0 10px 36px rgba(37, 208, 204, 0.55);
  }
}

/* 진단 상황 버튼 선택 효과 */
.diag-situation-btn:active {
  transform: scale(0.97);
}

/* Diagnosis Situation Grid */
.diag-situation-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.diag-situation-btn {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms, background 180ms;
}

.diag-situation-btn:hover {
  border-color: rgba(69, 222, 208, 0.5);
  background: rgba(69, 222, 208, 0.06);
}

.diag-situation-btn h4 {
  margin: 10px 0 6px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 15px;
  line-height: 1.4;
}

.diag-situation-btn p {
  color: var(--muted);
  margin: 0;
  font-size: 13px;
}

/* ── 30항목 체크리스트 ────────────────────────────── */

/* Sticky result panel when checklist active */
.result-card.cl-sticky {
  position: sticky;
  top: 88px;
  align-self: start;
}

/* Header */
.cl-header h3 {
  margin: 0 0 4px;
  font-family: "Space Grotesk", sans-serif;
}

.cl-subtitle {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 16px;
}

/* Progress bar */
.cl-progress-wrap {
  margin-bottom: 18px;
}

.cl-progress-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  overflow: hidden;
}

.cl-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary));
  transition: width 0.5s ease, background 0.5s ease;
}

.cl-progress-text {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}

/* Accordion */
.cl-accordion {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cl-category {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.015);
}

.cl-cat-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: none;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  transition: background 180ms;
}

.cl-cat-header:hover {
  background: rgba(69, 222, 208, 0.06);
}

.cl-cat-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.cl-cat-name {
  flex: 1;
  font-family: "Space Grotesk", sans-serif;
}

.cl-cat-count {
  font-size: 12px;
  color: var(--primary);
  background: rgba(69, 222, 208, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}

.cl-cat-arrow {
  font-size: 14px;
  color: var(--muted);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.cl-cat-body {
  display: none;
  padding: 4px 12px 12px;
}

.cl-cat-body.open {
  display: block;
}

/* Check item */
.cl-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  margin: 4px 0;
  border-radius: 10px;
  transition: background 180ms, border-color 180ms;
  cursor: pointer;
  border: 1px solid transparent;
}

.cl-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--line);
}

.cl-item input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary);
  cursor: pointer;
}

.cl-item:has(input:checked) {
  background: rgba(69, 222, 208, 0.05);
  border-color: rgba(69, 222, 208, 0.2);
}

.cl-item:has(input:checked) .cl-item-label {
  color: var(--primary);
}

.cl-item-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.cl-item-label {
  font-size: 14px;
  font-weight: 600;
  color: #d4e0ff;
  line-height: 1.4;
}

.cl-item-why {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.cl-weight-badge {
  font-size: 11px;
  color: #8d95ff;
  letter-spacing: 0.02em;
}

/* Locked items */
.cl-item-locked {
  opacity: 0.7;
  cursor: default;
}

.cl-item-locked:hover {
  background: rgba(255, 255, 255, 0.02);
}

.cl-item-lock {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  width: 20px;
  text-align: center;
}

.cl-locked-badge {
  display: inline-block;
  font-size: 11px;
  color: #ff9f43;
  background: rgba(255, 159, 67, 0.12);
  padding: 2px 8px;
  border-radius: 999px;
  width: fit-content;
}

/* Guide mode (read-only) */
.cl-guide-mode .cl-item {
  cursor: default;
}

.cl-guide-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  font-family: "Space Grotesk", sans-serif;
  flex-shrink: 0;
  width: 24px;
  margin-top: 2px;
}

/* Inline CTA banners */
.cl-inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(69, 222, 208, 0.06);
  border: 1px solid rgba(69, 222, 208, 0.15);
}

.cl-inline-cta p {
  margin: 0;
  font-size: 13px;
  color: #cad4ff;
}

.cl-inline-cta a {
  color: var(--primary);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.cl-inline-cta a:hover {
  text-decoration: underline;
}

.cl-cta-strong {
  background: rgba(141, 149, 255, 0.08);
  border-color: rgba(141, 149, 255, 0.2);
}

.cl-cta-strong a {
  color: var(--accent);
}

/* Score gauge */
.cl-score-gauge {
  text-align: center;
  padding: 8px 0 4px;
}

.cl-gauge-circle {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

.cl-gauge-circle svg {
  width: 100%;
  height: 100%;
}

.cl-gauge-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cl-gauge-grade {
  font-size: 32px;
  font-weight: 800;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1;
}

.cl-gauge-pct {
  font-size: 14px;
  color: var(--muted);
  margin-top: 2px;
}

.cl-gauge-label {
  font-size: 14px;
  font-weight: 700;
  margin: 8px 0 0;
}

/* Missed items */
.cl-missed {
  margin-top: 12px;
  padding: 12px;
  border-radius: 10px;
  background: rgba(255, 117, 136, 0.06);
  border: 1px solid rgba(255, 117, 136, 0.15);
}

.cl-missed-title {
  font-size: 13px;
  font-weight: 700;
  color: #ff9f43;
  margin: 0 0 6px;
}

.cl-missed-item {
  font-size: 12px;
  color: #d4ddff;
  margin: 3px 0;
  line-height: 1.5;
}

/* Privacy agree checkbox */
.privacy-agree {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 14px;
  cursor: pointer;
}

.privacy-agree input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--primary);
}

.privacy-agree span {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.privacy-agree a {
  color: var(--primary);
  text-decoration: underline;
}

/* SLA mobile cards */
.sla-mobile {
  display: none;
}

.sla-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}

.sla-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.sla-card h4 {
  margin: 0 0 6px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--primary);
  font-size: 14px;
}

.sla-card-value {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}

.sla-card-detail {
  font-size: 12px;
  color: var(--muted);
  margin: 4px 0;
  line-height: 1.5;
}

/* ── 비디오 섹션 ───────────────────────────────── */
.video-section-wrap {
  width: 100%;
  border-radius: 32px;
  overflow: hidden;
}

.video-section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 10px;
}

.video-embed-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: linear-gradient(135deg, #0a1628, #0f1d3d);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--primary-glow);
}

.video-section-text {
  padding: 20px;
}

.video-section-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  margin: 15px 0;
}

.video-section-text p {
  color: var(--text-dim);
  line-height: 1.8;
}

.video-section-text .btn {
  margin-top: 20px;
}

/* ── 증거 카드 썸네일 (채움형) ─────────────────── */
.evidence-thumb-filled {
  height: 124px;
  border-radius: 12px;
  border: 1px solid rgba(69, 222, 208, 0.2);
  background: linear-gradient(135deg, rgba(69, 222, 208, 0.08), rgba(141, 149, 255, 0.08));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.evidence-thumb-filled .evidence-icon {
  font-size: 32px;
}

.evidence-thumb-filled span {
  font-size: 13px;
  font-weight: 700;
  color: #d5ddff;
}

/* ── 반응형 ─────────────────────────────────────── */
@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu {
    display: flex;
  }

  .hero,
  .quick-proof,
  .evidence-strip,
  .proof-strip,
  .calc-grid,
  .split,
  .timeline,
  .card-grid,
  .store-controls,
  .step-flow,
  .verify-grid,
  .price-grid,
  .price-grid-2,
  .review-grid,
  .knowhow-grid,
  .diag-situation-grid,
  .video-section-grid {
    grid-template-columns: 1fr;
  }

  .video-section-grid {
    gap: 20px;
    padding: 16px;
  }

  .video-section-text {
    padding: 0 4px 10px;
  }

  .step-arrow {
    transform: rotate(90deg);
    justify-self: center;
  }

  .result-card.cl-sticky {
    position: static;
  }

  .cl-inline-cta {
    flex-direction: column;
    text-align: center;
  }

  .sla-desktop {
    display: none;
  }

  .sla-mobile {
    display: grid;
  }

  .sla-cards {
    grid-template-columns: 1fr;
  }

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

  .floating-cta {
    right: 12px;
    left: 12px;
    text-align: center;
  }

  .mode-badge {
    top: auto;
    bottom: 74px;
    right: 12px;
  }
}

@media (max-width: 520px) {

  .hero-kpi,
  .verify-grid {
    grid-template-columns: 1fr;
  }

  .container {
    width: calc(100vw - 24px);
  }

  .brand {
    font-size: 18px;
  }
}