:root {
  --np-bg: #020617;
  --np-bg-alt: #020617;
  --np-surface: rgba(15, 23, 42, 0.9);
  --np-text: #e5e7eb;
  --np-muted: #9ca3af;
  --np-border: rgba(148, 163, 184, 0.5);
  --np-accent: #38bdf8;
  --np-accent-2: #a855f7;
  --np-danger: #fb7185;
  --np-radius-lg: 18px;
  --np-radius-xl: 26px;
  --np-shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.9);
  --np-container: 1040px;
}

/* RESET */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.7;
  background-color: var(--np-bg);
  color: var(--np-text);
}

.np-root {
  min-height: 100vh;
}

/* LAYOUT */
.np-container {
  max-width: var(--np-container);
  margin: 0 auto;
  padding: 0 18px;
}

/* HEADER */
.np-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 60%),
    radial-gradient(circle at top right, rgba(168, 85, 247, 0.16), transparent 60%),
    rgba(2, 6, 23, 0.94);
  border-bottom: 1px solid rgba(30, 64, 175, 0.6);
}

.np-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.np-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.np-logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: conic-gradient(from 180deg, #38bdf8, #a855f7, #fb7185, #38bdf8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #f9fafb;
}

.np-logo-text {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.np-nav {
  display: flex;
  gap: 14px;
}

.np-nav-link {
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 999px;
  text-decoration: none;
  color: #cbd5f5;
  transition: 0.16s ease-out;
}

.np-nav-link:hover {
  background-color: rgba(15, 23, 42, 0.9);
  color: #e5e7eb;
}

.np-nav-cta {
  background: linear-gradient(to right, #38bdf8, #a855f7);
  color: #0b1120;
}

/* HERO */
.np-hero {
  position: relative;
  overflow: hidden;
}

.np-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.22), transparent 60%),
    radial-gradient(circle at 80% 10%, rgba(168, 85, 247, 0.24), transparent 60%),
    linear-gradient(to bottom, #020617, #020617 30%, #020617);
}

/* Hero background image (blurred code/server) */
.np-hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80");
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  filter: blur(2px);
}

.np-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding: 60px 0 70px;
}

/* HERO COPY */
.np-hero-copy {
  max-width: 520px;
}

.np-eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.np-hero-title {
  margin: 0 0 12px;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.np-hero-highlight {
  display: block;
  color: #e0f2fe;
}

.np-hero-subtitle {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--np-muted);
}

.np-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.np-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: 0.18s ease-out;
}

.np-btn-primary {
  background: linear-gradient(to right, #38bdf8, #a855f7);
  color: #0b1120;
  box-shadow: var(--np-shadow-soft);
}

.np-btn-primary:hover {
  transform: translateY(-1px);
}

.np-btn-ghost {
  background-color: rgba(15, 23, 42, 0.6);
  border-color: rgba(148, 163, 184, 0.8);
  color: #e5e7eb;
}

.np-btn-ghost:hover {
  background-color: #0b1120;
}

.np-hero-meta {
  margin: 0;
  font-size: 12px;
  color: #9ca3af;
}

/* HERO VISUAL */
.np-hero-visual {
  position: relative;
  height: 280px;
}

.np-hero-screen {
  position: absolute;
  right: 0;
  top: 10px;
  width: 320px;
  border-radius: 24px;
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.25), transparent 60%),
    radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.22), transparent 55%),
    rgba(15, 23, 42, 0.9);
  box-shadow: var(--np-shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.7);
  overflow: hidden;
  backdrop-filter: blur(18px);
}

.np-hero-screen-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(30, 64, 175, 0.7);
  background: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(17, 24, 39, 0.95));
}

.np-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background-color: rgba(148, 163, 184, 0.9);
}

.np-dot:nth-child(1) { background-color: #f97373; }
.np-dot:nth-child(2) { background-color: #facc15; }
.np-dot:nth-child(3) { background-color: #22c55e; }

.np-screen-title {
  margin-left: auto;
  font-size: 11px;
  color: #cbd5f5;
}

.np-hero-screen-body {
  padding: 10px 12px 12px;
}

.np-hero-chart {
  border-radius: 14px;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(30, 64, 175, 0.8);
}

/* 배경 차트 이미지들 */
.np-hero-chart-1 {
  height: 120px;
  margin-bottom: 8px;
  background-image: url("https://images.unsplash.com/photo-1553877522-43269d4ea984?auto=format&fit=crop&w=900&q=80");
  filter: saturate(1.1) brightness(0.9);
}

.np-hero-chart-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.np-hero-chart-2 {
  height: 70px;
  background-image: url("https://images.unsplash.com/photo-1517244871041-bf9711c75680?auto=format&fit=crop&w=800&q=80");
  filter: saturate(1.1) brightness(0.9);
}

.np-hero-chart-3 {
  height: 70px;
  background-image: url("https://images.unsplash.com/photo-1531297484001-80022131f5a1?auto=format&fit=crop&w=800&q=80");
  filter: saturate(1.15) brightness(0.95);
}

.np-hero-pill {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  background-color: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(16px);
  font-size: 11px;
  color: #cbd5f5;
}

.np-hero-pill-1 {
  left: 0;
  top: 32px;
}

.np-hero-pill-2 {
  right: 10px;
  bottom: 0;
}

.np-pill-label {
  color: #9ca3af;
}

.np-pill-value {
  font-weight: 600;
  color: #e0f2fe;
}

/* SECTION COMMON */
.np-section {
  padding: 56px 0 62px;
  background-color: #020617;
}

.np-section-alt {
  background-color: #020617;
}

.np-section-head {
  margin-bottom: 18px;
}

.np-section-title {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.np-section-subtitle {
  margin: 0;
  font-size: 14px;
  color: var(--np-muted);
}

/* FEATURES GRID */
.np-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.np-card {
  border-radius: var(--np-radius-lg);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), transparent 60%),
    radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.14), transparent 60%),
    rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(30, 64, 175, 0.7);
  padding: 14px 14px 16px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.85);
}

.np-card-title {
  margin: 0 0 6px;
  font-size: 15px;
}

.np-card-text {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--np-muted);
}

.np-card-list {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--np-muted);
}

.np-card-list li {
  margin-bottom: 3px;
}

/* METRICS STRIP */
.np-metrics-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 18px 16px;
  border-radius: var(--np-radius-lg);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 60%),
    radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.22), transparent 60%),
    rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(30, 64, 175, 0.8);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
}

.np-metric-value {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: #e0f2fe;
}

.np-metric-label {
  font-size: 12px;
  color: var(--np-muted);
}

/* USE CASES */
.np-use-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.np-use-card {
  border-radius: var(--np-radius-lg);
  background-color: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(30, 64, 175, 0.8);
  padding: 14px 14px 16px;
}

.np-use-title {
  margin: 0 0 6px;
  font-size: 15px;
}

.np-use-text {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--np-muted);
}

.np-use-list {
  margin: 0;
  padding-left: 18px;
  font-size: 12px;
  color: var(--np-muted);
}

.np-use-list li {
  margin-bottom: 3px;
}

/* CONTACT */
.np-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 24px;
  align-items: flex-start;
}

.np-body {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--np-muted);
}

.np-contact-box {
  border-radius: var(--np-radius-xl);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 60%),
    radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.2), transparent 60%),
    rgba(15, 23, 42, 0.98);
  border: 1px solid rgba(30, 64, 175, 0.9);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.95);
  padding: 14px 16px 18px;
}

.np-contact-line {
  margin: 0 0 6px;
  font-size: 13px;
}

.np-contact-line span {
  display: inline-block;
  min-width: 80px;
  font-weight: 500;
  color: #e5e7eb;
}

.np-contact-note {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--np-muted);
}

/* FOOTER */
.np-footer {
  border-top: 1px solid rgba(30, 64, 175, 0.7);
  background-color: #020617;
  padding: 16px 0 20px;
}

.np-footer-inner {
  max-width: var(--np-container);
  margin: 0 auto;
  padding: 0 18px;
}

.np-footer-text {
  margin: 0;
  font-size: 11px;
  color: #6b7280;
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .np-hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .np-feature-grid,
  .np-use-grid,
  .np-metrics-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .np-metrics-strip {
    padding: 14px 12px;
  }

  .np-section {
    padding: 50px 0 56px;
  }
}

@media (max-width: 720px) {
  .np-header-inner {
    height: 56px;
  }

  .np-nav {
    display: none; /* 정적 시안에서는 모바일 메뉴 생략 */
  }

  .np-hero-inner {
    padding: 46px 0 52px;
  }

  .np-hero-visual {
    height: 240px;
  }

  .np-feature-grid,
  .np-use-grid,
  .np-metrics-strip,
  .np-contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .np-container {
    padding: 0 14px;
  }
}
