@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css");
@import url("https://fonts.googleapis.com/css2?family=Syncopate:wght@400;700&display=swap");

/* ===== CSS Variables ===== */
:root {
  --color-bg: #FFFFFF;
  --color-bg-subtle: #FAFAF8;
  --color-bg-muted: #F4F2EE;
  --color-dark: #0A1628;
  --color-dark-card: #0F1F35;
  --color-dark-subtle: #111D30;
  --color-ink: #1A1A1A;
  --color-ink-muted: #6E6862;
  --color-ink-light: #A49E96;
  --color-on-dark: #E8ECF1;
  --color-on-dark-muted: #7B8FA8;
  --color-accent: #00E5FF;
  --color-border: #EAE6E0;
  --color-border-dark: rgba(255, 255, 255, 0.08);
  --color-success: #2D8B55;
  --color-warning: #C4850C;
  --color-danger: #C43030;
  --font-sans: "Pretendard Variable", "Pretendard", "Inter", system-ui, -apple-system, sans-serif;
  --font-heading: "Syncopate", sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 4.5rem;
  scrollbar-width: thin;
  scrollbar-color: #2A3A50 transparent;
}

body {
  background: #FFFFFF;
  color: #1A1A1A;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

main { flex: 1; }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

::selection {
  background-color: rgba(0, 229, 255, 0.2);
  color: #FFFFFF;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2A3A50; border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: #3A4A60; }

/* ===== Focus ===== */
*:focus:not(:focus-visible) { outline: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== Card light ===== */
.card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  border-color: #D5CFC7;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

/* ===== Card dark ===== */
.card-dark {
  background: var(--color-dark-card);
  border: 1px solid var(--color-border-dark);
  border-radius: 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.card-dark:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* ===== Buttons ===== */
.btn-glow {
  background: linear-gradient(135deg, #0A1628, #1a2a44);
  color: #FFFFFF;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 0.05em;
}
.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(10, 22, 40, 0.25), 0 0 40px rgba(0, 229, 255, 0.1);
}
.btn-glow:active { transform: scale(0.98); }
.btn-glow:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #0A1628, 0 0 0 4px var(--color-accent);
}
.btn-glow.sm { padding: 10px 20px; font-size: 13px; }

.btn-outline {
  background: transparent;
  color: #1A1A1A;
  border: 1px solid #EAE6E0;
  padding: 14px 32px;
  border-radius: 8px;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  letter-spacing: 0.05em;
}
.btn-outline:hover { background: #FAFAF8; border-color: #D5CFC7; }
.btn-outline:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #FFFFFF, 0 0 0 4px var(--color-accent);
}

.btn-outline-dark {
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 14px 32px;
  border-radius: 8px;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.1em;
}
.btn-outline-dark:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}
.btn-outline-dark:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-dark), 0 0 0 4px #FFFFFF;
}

/* ===== Grid backgrounds ===== */
.grid-bg {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.018) 1px, transparent 1px);
  background-size: 72px 72px;
}
.grid-bg-dark {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
}

/* ===== Hero gradient ===== */
.hero-gradient {
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 229, 255, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(0, 229, 255, 0.04), transparent),
    #0A1628;
}

/* ===== Keyframes ===== */
@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes spin-reverse { from { transform: rotate(360deg); } to { transform: rotate(0deg); } }
@keyframes bounce-line { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes pulse-ring { 0% { r: 1.5; opacity: 0.4; } 100% { r: 4; opacity: 0; } }

/* FadeInView animation */
.fade-in-view {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in-view.from-left { transform: translateX(-30px); }
.fade-in-view.from-right { transform: translateX(30px); }
.fade-in-view.from-x-neg { transform: translateX(-16px); }
.fade-in-view.from-x-pos { transform: translateX(16px); }
.fade-in-view.visible {
  opacity: 1;
  transform: translate(0, 0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in-view { opacity: 1; transform: none; }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  transition: all 0.5s;
}
.site-header.scrolled {
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.site-header nav {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-header .logo {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  font-family: var(--font-heading);
}
.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.6);
  transition: color 0.3s;
}
.nav-links a:hover { color: #fff; }

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none; border: none; cursor: pointer;
  position: relative; z-index: 50;
}
.menu-toggle span {
  display: block; width: 20px; height: 1.5px;
  background: #fff; transition: all 0.3s;
}
.menu-toggle.open span:first-child { transform: rotate(45deg) translate(2.3px, 2.3px); }
.menu-toggle.open span:last-child { transform: rotate(-45deg) translate(2.3px, -2.3px); }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(10, 22, 40, 0.98);
  display: flex; flex-direction: column;
  align-items: flex-start; justify-content: center;
  padding: 24px; gap: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-size: 24px; font-weight: 300; letter-spacing: 0.05em;
  color: rgba(255,255,255,0.7);
  opacity: 0; transform: translateX(-20px);
  transition: opacity 0.4s, transform 0.4s, color 0.5s;
}
.mobile-menu.open a { opacity: 1; transform: translateX(0); }
.mobile-menu.open a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.10s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu a:hover { color: #fff; }

/* ===== Hero ===== */
.hero-section {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; overflow: hidden;
}
.hero-content {
  position: relative; z-index: 10; width: 100%;
  max-width: 1100px; margin: 0 auto;
  padding: 96px 16px;
  display: grid; grid-template-columns: 1fr;
  gap: 32px; align-items: center;
}
.hero-title {
  font-size: 2.5rem; font-weight: 700;
  letter-spacing: 0.15em; line-height: 0.95;
  background: linear-gradient(to right, #fff, #fff, rgba(0,229,255,0.6));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; text-transform: uppercase;
  font-family: var(--font-heading);
}
.hero-divider {
  width: 64px; height: 0.5px;
  background: rgba(255,255,255,0.2);
  margin: 32px 0; transform-origin: left;
}
.hero-slogan {
  font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase; color: rgba(0,229,255,0.7);
  font-weight: 300; margin-bottom: 24px;
}
.hero-desc {
  font-size: 14px; color: rgba(255,255,255,0.6);
  line-height: 1.75; max-width: 400px; font-weight: 300;
}
.hero-buttons { margin-top: 32px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.hero-buttons .btn-glow { font-size: 13px; letter-spacing: 0.1em; }

/* PR Film disabled btn */
.btn-pr-disabled {
  position: relative; display: inline-flex; align-items: center;
  padding: 10px 20px; font-size: 12px; letter-spacing: 0.15em;
  text-transform: uppercase; color: rgba(255,255,255,0.3);
  font-weight: 500; border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; cursor: not-allowed; opacity: 0.5;
  background: none;
}
.btn-pr-disabled .badge-cs {
  position: absolute; top: -8px; right: -12px;
  background: var(--color-accent); color: #0A1628;
  font-size: 10px; padding: 1px 6px; border-radius: 9999px;
  font-weight: 700; line-height: 1.4;
}

/* Hero visual */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.hero-orb {
  position: relative; width: 100%; max-width: 300px;
  aspect-ratio: 1/1; margin: 0 auto;
}
.hero-orb .ring-outer {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.06);
  animation: spin 60s linear infinite;
}
.hero-orb .ring-inner {
  position: absolute; inset: 30px; border-radius: 50%;
  border: 1px solid rgba(0,229,255,0.08);
  animation: spin-reverse 45s linear infinite;
}
.hero-orb .center-text {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; z-index: 10;
}
.hero-orb .center-text span {
  font-size: 1.8rem; font-weight: 700;
  letter-spacing: 0.2em; color: rgba(255,255,255,0.06);
  text-transform: uppercase; font-family: var(--font-heading);
}
.hero-stat { position: absolute; z-index: 20; }
.hero-stat-value {
  font-size: 20px; font-weight: 200; color: #fff;
  letter-spacing: -0.02em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hero-stat-label {
  font-size: 10px; color: rgba(255,255,255,0.3);
  letter-spacing: 0.15em; text-transform: uppercase;
  margin-top: 8px; font-weight: 500;
}
.hero-stat.tl { top: 5%; left: 5%; }
.hero-stat.tr { top: 5%; right: 5%; }
.hero-stat.bl { bottom: 5%; left: 5%; }
.hero-stat.br { bottom: 5%; right: 5%; }

.hero-scroll-indicator {
  position: absolute; bottom: 40px; left: 50%;
  transform: translateX(-50%); z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
}
.hero-scroll-line {
  width: 0.5px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.2), transparent);
  animation: bounce-line 2.5s ease-in-out infinite;
}

/* ===== Client Logos ===== */
.client-logos {
  position: relative; background: #fff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0; overflow: hidden;
}
.client-logos .gradient-mask {
  position: absolute; top: 0; bottom: 0; width: 96px;
  z-index: 10; pointer-events: none;
}
.client-logos .gradient-mask.left { left: 0; background: linear-gradient(to right, #fff, transparent); }
.client-logos .gradient-mask.right { right: 0; background: linear-gradient(to left, #fff, transparent); }
.scroll-track { display: flex; animation: scroll 25s linear infinite; }
.logo-item {
  flex-shrink: 0; display: flex; align-items: center;
  gap: 12px; padding: 0 32px;
}
.logo-item-icon {
  width: 40px; height: 40px; border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  color: var(--color-ink-light); font-family: var(--font-heading);
}
.logo-item-name {
  font-size: 13px; font-weight: 600;
  color: var(--color-ink); letter-spacing: 0.05em;
}
.logo-item-en {
  font-size: 10px; color: var(--color-ink-light);
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* ===== Section utilities ===== */
.section-label {
  font-size: 12px; color: var(--color-ink-light);
  letter-spacing: 0.15em; text-transform: uppercase;
  font-weight: 500; margin-bottom: 24px;
}
.section-label-dark {
  font-size: 12px; color: var(--color-on-dark-muted);
  letter-spacing: 0.15em; text-transform: uppercase;
  font-weight: 500; margin-bottom: 24px;
}
.section-title {
  font-size: 1.875rem; font-weight: 700;
  line-height: 1.15; color: var(--color-ink);
  letter-spacing: -0.01em;
}
.section-title-dark {
  font-size: 1.875rem; font-weight: 700;
  line-height: 1.15; color: var(--color-on-dark);
  letter-spacing: -0.01em;
}
.section-desc {
  margin-top: 20px; font-size: 16px;
  color: var(--color-ink-muted); max-width: 512px;
  line-height: 1.65;
}
.section-desc-dark {
  margin-top: 20px; font-size: 16px;
  color: var(--color-on-dark-muted); max-width: 576px;
  line-height: 1.65;
}
.section-pad { padding-top: 96px; padding-bottom: 96px; }
.section-pad-lg { padding-top: 112px; padding-bottom: 112px; }

/* ===== Product Showcase ===== */
.product-card-top {
  position: relative;
  background: linear-gradient(to bottom, #F5F5F5, #EBEBEB);
  padding: 32px 24px 16px;
  display: flex; align-items: flex-end; justify-content: center;
  gap: 16px; overflow: hidden;
}
.product-badge {
  position: absolute; top: 16px; right: 16px;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 9999px; color: #fff;
}
.product-mascot {
  width: 112px; height: 112px; object-fit: contain;
  flex-shrink: 0; transition: transform 0.7s;
}
.product-case-img {
  width: 80px; height: 112px; object-fit: contain;
  flex-shrink: 0; transition: transform 0.7s;
}
.card:hover .product-mascot,
.card:hover .product-case-img { transform: scale(1.03); }
.product-card-bottom { padding: 20px; }
.product-brand {
  font-size: 24px; font-weight: 700;
  color: var(--color-ink); font-family: var(--font-heading);
}
.product-brand-kr { font-size: 14px; color: var(--color-ink-muted); margin-left: 8px; }
.product-tagline { font-size: 13px; color: var(--color-ink-light); font-weight: 500; margin-bottom: 12px; }
.product-desc { font-size: 14px; color: var(--color-ink-muted); line-height: 1.7; margin-bottom: 20px; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.feature-tag {
  padding: 6px 12px; font-size: 11px;
  color: var(--color-ink-muted);
  background: var(--color-bg-muted); border-radius: 8px; font-weight: 500;
}
.product-cta {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--color-ink);
  transition: color 0.3s;
}
.card:hover .product-cta { color: var(--color-accent); }
.product-cta svg { transition: transform 0.3s; width: 16px; height: 16px; }
.card:hover .product-cta svg { transform: translateX(4px); }

/* Prototype banner */
.proto-grid { display: grid; grid-template-columns: 1fr; }
.proto-img-area {
  background: linear-gradient(135deg, #F5F5F5, #EBEBEB);
  padding: 24px; display: flex; align-items: center; justify-content: center;
}
.proto-img-area img { width: 100%; max-height: 280px; object-fit: contain; }
.proto-text-area { padding: 32px; }
.proto-label {
  font-size: 11px; color: var(--color-ink-light);
  letter-spacing: 0.15em; text-transform: uppercase;
  font-weight: 500; margin-bottom: 12px;
}

/* ===== Problem ===== */
.problem-card { border-top: 2px solid rgba(220,38,38,0.1); transition: border-color 0.5s; }
.problem-card:hover { border-top-color: rgba(220,38,38,0.3); }
.problem-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: #FEF2F2; display: flex;
  align-items: center; justify-content: center;
  color: rgba(220,38,38,0.6); margin-bottom: 24px;
}

/* ===== Company / Our Answer ===== */
.answer-badge {
  padding: 8px 16px; font-size: 12px; font-weight: 500;
  color: var(--color-on-dark-muted);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 9999px; display: inline-block;
}
.before-card { border-left: 2px solid rgba(220,38,38,0.15); }
.after-card { border-left: 2px solid #1a1a1a; }
.ba-label-before {
  font-size: 11px; color: rgba(220,38,38,0.5);
  letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 16px;
}
.ba-label-after {
  font-size: 11px; color: var(--color-ink);
  letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 16px;
}
.ba-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; line-height: 1.6; margin-bottom: 12px;
}
.ba-list li svg { flex-shrink: 0; margin-top: 2px; width: 16px; height: 16px; }
.before-card .ba-list li { color: var(--color-ink-muted); }
.after-card .ba-list li { color: var(--color-ink); }

/* ===== Technology ===== */
.tech-icon {
  width: 40px; height: 40px; border-radius: 8px;
  background: var(--color-bg-muted);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-ink-muted); margin-bottom: 24px;
  transition: all 0.3s;
}
.card:hover .tech-icon { background: var(--color-ink); color: #fff; }

/* ===== System steps ===== */
.step-num { font-size: 20px; font-weight: 700; color: rgba(164,158,150,0.25); margin-bottom: 12px; }
.step-en { font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-ink-light); margin-bottom: 4px; }
.step-title { font-size: 14px; font-weight: 600; color: var(--color-ink); margin-bottom: 8px; }
.step-desc { font-size: 11px; color: var(--color-ink-muted); line-height: 1.5; }

/* ===== Live Dashboard ===== */
.dashboard-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 20px; border-bottom: 1px solid var(--color-border);
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-success); animation: pulse 2s infinite;
  display: inline-block;
}
.dashboard-label { font-size: 12px; font-weight: 500; color: var(--color-ink-muted); margin-left: 10px; }
.live-badge { font-size: 10px; color: var(--color-success); font-family: monospace; letter-spacing: 0.08em; }
.sensor-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--color-border);
}
.sensor-cell {
  padding: 16px; text-align: center; background: #fff;
  position: relative;
}
.sensor-cell .status-ind {
  position: absolute; top: 10px; right: 10px;
}
.sensor-cell .status-ind span {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
}
.sensor-label {
  font-size: 10px; color: var(--color-ink-light);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px;
}
.sensor-value {
  font-size: 18px; font-weight: 600;
  font-variant-numeric: tabular-nums; transition: color 0.7s;
}
.sensor-unit { font-size: 10px; color: var(--color-ink-light); margin-left: 2px; }
.sensor-gauge {
  margin-top: 10px; height: 4px; width: 100%;
  background: var(--color-bg-muted); border-radius: 4px;
  overflow: hidden; position: relative;
}
.sensor-gauge-fill {
  height: 100%; border-radius: 4px;
  transition: width 0.7s ease-out, background-color 0.7s;
}
.sensor-gauge-marker {
  position: absolute; top: 0; bottom: 0; width: 1px;
  background: rgba(251,191,36,0.4); z-index: 2;
}
.sensor-sparkline {
  margin-top: 8px; height: 12px;
  display: flex; align-items: flex-end; gap: 2px; justify-content: center;
}
.sensor-sparkline-bar { width: 2px; border-radius: 1px; }
.sensor-tooltip {
  position: absolute; left: 50%; top: -56px;
  transform: translateX(-50%); opacity: 0;
  pointer-events: none; transition: opacity 0.2s; z-index: 20;
}
.sensor-cell:hover .sensor-tooltip { opacity: 1; }
.sensor-tooltip-inner {
  background: var(--color-bg-muted); border: 1px solid var(--color-border);
  border-radius: 8px; padding: 8px 12px; font-size: 10px;
  color: var(--color-ink-muted); white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

/* Monitor features */
.monitor-feature {
  display: flex; align-items: flex-start; gap: 12px; padding: 8px 0;
}
.monitor-feature .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--color-ink-light); margin-top: 10px; flex-shrink: 0;
}
.monitor-feature span {
  font-size: 14px; color: var(--color-ink-muted); line-height: 1.5;
}

/* ===== Results ===== */
.result-card { text-align: center; transition: all 0.5s; }
.result-card:hover { background: #0A1628; border-color: #0A1628; }
.result-value {
  font-size: 28px; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1; font-variant-numeric: tabular-nums;
  color: var(--color-ink); transition: color 0.5s;
}
.result-card:hover .result-value { color: #fff; }
.result-label { margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--color-ink); transition: color 0.5s; }
.result-card:hover .result-label { color: rgba(255,255,255,0.9); }
.result-desc { margin-top: 6px; font-size: 11px; color: var(--color-ink-muted); transition: color 0.5s; }
.result-card:hover .result-desc { color: rgba(255,255,255,0.5); }

/* Trust line */
.trust-line {
  margin-top: 56px; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center;
  gap: 12px 32px; font-size: 12px; color: var(--color-ink-light);
}
.trust-item { display: flex; align-items: center; gap: 8px; }
.trust-dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(164,158,150,0.4); }

/* ===== Domains ===== */
.domains-grid {
  display: grid; grid-template-columns: 1fr; gap: 12px;
}
.domain-card { display: flex; flex-direction: column; justify-content: space-between; }
.domain-icon { color: var(--color-on-dark-muted); margin-bottom: 16px; transition: color 0.3s; }
.card-dark:hover .domain-icon { color: var(--color-on-dark); }
.domain-title { font-size: 15px; font-weight: 600; color: var(--color-on-dark); margin-bottom: 8px; }
.domain-title.large { font-size: 20px; }
.domain-desc { font-size: 14px; color: var(--color-on-dark-muted); line-height: 1.5; }
.domain-desc.large { font-size: 15px; line-height: 1.7; }
.domain-stat {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px; color: var(--color-on-dark-muted);
  font-weight: 500; letter-spacing: 0.05em;
}

/* ===== Global map ===== */
.global-map {
  position: relative; aspect-ratio: 2/1;
  max-width: 768px; margin: 0 auto;
}
.global-map-dots {
  position: absolute; inset: 0; border-radius: 12px;
  opacity: 0.03;
  background-image: radial-gradient(circle, #9BA3B0 0.5px, transparent 0.5px);
  background-size: 16px 16px;
}
.global-map-label {
  position: absolute; font-size: 13px;
  color: var(--color-on-dark-muted); font-weight: 600;
}

/* ===== News ===== */
.news-img-wrap { aspect-ratio: 16/10; overflow: hidden; }
.news-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s; }
.card:hover .news-img { transform: scale(1.03); }
.news-body { padding: 24px; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-cat { font-size: 10px; font-weight: 600; color: var(--color-ink-light); text-transform: uppercase; letter-spacing: 0.08em; }
.news-date { font-size: 11px; color: var(--color-ink-light); }
.news-title {
  font-size: 15px; font-weight: 600; color: var(--color-ink);
  line-height: 1.35; margin-bottom: 10px; transition: color 0.3s;
}
.card:hover .news-title { color: var(--color-accent); }
.news-summary { font-size: 14px; color: var(--color-ink-muted); line-height: 1.5; }

/* ===== Footer ===== */
.site-footer { background: #060D1A; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
.footer-heading {
  font-size: 12px; font-weight: 500;
  color: rgba(255,255,255,0.6); text-transform: uppercase;
  letter-spacing: 0.15em; margin-bottom: 20px;
}
.footer-text { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.6; }
.footer-text + .footer-text { margin-top: 10px; }
.footer-link {
  font-size: 14px; color: rgba(255,255,255,0.5);
  transition: color 0.3s; display: inline-block; padding: 4px 0;
}
.footer-link:hover { color: #fff; }
.footer-bottom {
  padding: 24px 0; border-top: 1px solid rgba(255,255,255,0.05);
  display: flex; flex-direction: column;
  align-items: center; justify-content: space-between; gap: 8px;
}
.footer-copyright { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a {
  font-size: 12px; color: rgba(255,255,255,0.5);
  padding: 8px 0; transition: color 0.3s;
}
.footer-legal a:hover { color: rgba(255,255,255,0.6); }

/* ===== Floating CTA ===== */
.floating-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
  transition: all 0.5s; opacity: 0;
  transform: translateY(100%); pointer-events: none;
}
.floating-cta.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.floating-cta-inner {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
}
.floating-cta-content {
  max-width: 1100px; margin: 0 auto;
  padding: 0 16px; height: 56px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 12px;
}
.floating-cta-text {
  font-size: 12px; color: var(--color-ink-muted); font-weight: 500;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.floating-cta .btn-glow { padding: 10px 24px; font-size: 13px; flex-shrink: 0; }

/* ===== Contact Form ===== */
.form-input {
  width: 100%; padding: 12px 16px; background: #fff;
  border: 1px solid var(--color-border); border-radius: 8px;
  font-size: 14px; color: var(--color-ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input::placeholder { color: var(--color-ink-light); }
.form-input:focus {
  outline: none; border-color: rgba(0,229,255,0.5);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.2);
}
.form-label { display: block; font-size: 12px; color: var(--color-ink-muted); font-weight: 500; margin-bottom: 8px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 20px; }

/* ===== Sub-page hero ===== */
.subpage-hero { padding-top: 128px; padding-bottom: 80px; background: var(--color-bg); }
.subpage-hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.subpage-badge {
  display: inline-block; padding: 4px 12px; font-size: 10px;
  font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; border-radius: 9999px; margin-bottom: 24px;
}
.subpage-title {
  font-size: 2.25rem; font-weight: 700; line-height: 1.1;
  color: var(--color-ink); letter-spacing: -0.01em;
}
.subpage-subtitle { margin-top: 8px; font-size: 18px; color: var(--color-ink-muted); font-weight: 500; }
.target-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.target-tag {
  padding: 6px 14px; font-size: 11px; color: var(--color-ink-muted);
  background: var(--color-bg-muted); border-radius: 8px; font-weight: 500;
}
.subpage-hero-visual { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.mascot-img { width: 192px; height: 192px; object-fit: contain; }
.device-card { background: linear-gradient(to bottom, #F5F5F5, #EBEBEB); padding: 12px; }
.device-img { width: 160px; height: 208px; object-fit: contain; margin: 0 auto; }
.device-label { text-align: center; font-size: 11px; color: var(--color-ink-light); margin-top: 8px; font-weight: 500; }

/* Solution feature tags */
.solution-feature-tag {
  padding: 6px 14px; font-size: 11px; color: var(--color-ink-muted);
  border: 1px solid var(--color-border); border-radius: 8px;
}

/* Sensor tags */
.sensor-tag {
  padding: 6px 12px; font-size: 12px;
  color: var(--color-ink-muted); background: var(--color-bg-muted); border-radius: 8px;
}
.option-sensor {
  padding: 12px; text-align: center;
  border: 1px dashed var(--color-border); border-radius: 12px;
  font-size: 14px; color: var(--color-ink-muted);
}

/* Lineup */
.lineup-item { text-align: center; }
.lineup-mascot-box {
  width: 160px; height: 160px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  padding: 12px; overflow: hidden; transition: border-color 0.3s;
}
.lineup-mascot-box img { width: 100%; height: 100%; object-fit: contain; }

/* ===== Responsive ===== */
@media (min-width: 640px) {
  .container { padding-left: 24px; padding-right: 24px; }
  .hero-title { font-size: 3.5rem; }
  .hero-slogan { font-size: 13px; letter-spacing: 0.25em; }
  .hero-desc { font-size: 15px; line-height: 1.85; }
  .hero-buttons { gap: 16px; margin-top: 40px; }
  .hero-orb { max-width: 380px; }
  .hero-orb .center-text span { font-size: 2.4rem; letter-spacing: 0.3em; }
  .hero-stat-value { font-size: 24px; }
  .hero-content { padding: 128px 24px; }
  .section-pad { padding-top: 128px; padding-bottom: 128px; }
  .section-pad-lg { padding-top: 144px; padding-bottom: 144px; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .sensor-grid { grid-template-columns: repeat(3, 1fr); }
  .product-mascot { width: 144px; height: 144px; }
  .product-case-img { width: 96px; height: 128px; }
  .product-card-bottom { padding: 32px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .floating-cta-content { height: 64px; padding: 0 24px; }
  .floating-cta-text { font-size: 14px; }
  .mobile-menu a { font-size: 36px; }
  .mobile-menu { padding: 24px 48px; gap: 32px; }
  .form-row { grid-template-columns: repeat(2, 1fr); }
  .subpage-title { font-size: 3rem; }
  .result-value { font-size: 36px; }
  .domains-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (min-width: 768px) {
  .section-title { font-size: 2.25rem; }
  .section-title-dark { font-size: 2.25rem; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-2-md { grid-template-columns: repeat(2, 1fr); }
  .proto-grid { grid-template-columns: 2fr 3fr; }
  .sensor-grid { grid-template-columns: repeat(6, 1fr); }
  .hero-title { font-size: 5rem; }
  .hero-desc { font-size: 16px; }
  .hero-orb { max-width: 440px; }
  .hero-orb .center-text span { font-size: 3.5rem; }
  .hero-stat-value { font-size: 32px; }
  .product-mascot { width: 176px; height: 176px; }
  .product-case-img { width: 112px; height: 144px; }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-bottom { flex-direction: row; }
  .result-value { font-size: 42px; }
  .domains-grid { grid-template-columns: repeat(4, 1fr); }
  .domain-large { grid-column: span 2; grid-row: span 2; }
  .domain-medium { grid-column: span 2; }
  .monitor-features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 32px; }
  .device-img { width: 192px; height: 240px; }
  .mascot-img { width: 224px; height: 224px; }
  .subpage-title { font-size: 3.2rem; }
}

@media (min-width: 1024px) {
  .site-header nav { padding: 0 40px; height: 72px; }
  .nav-links { display: flex; }
  .menu-toggle { display: none; }
  .container { padding-left: 40px; padding-right: 40px; }
  .container-sm { padding-left: 40px; padding-right: 40px; }
  .container-xs { padding-left: 40px; padding-right: 40px; }
  .hero-content { grid-template-columns: 1fr 1fr; gap: 80px; padding: 0 40px; }
  .hero-title { font-size: 6.5rem; }
  .section-pad { padding-top: 160px; padding-bottom: 160px; }
  .section-pad-lg { padding-top: 176px; padding-bottom: 176px; }
  .product-grid-2col { grid-template-columns: repeat(2, 1fr); }
  .subpage-hero-grid { grid-template-columns: 3fr 2fr; }
  .floating-cta-content { padding: 0 40px; }
}