:root {
  --white: #ffffff;
  --bg: #f8fafc;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --gradient: linear-gradient(135deg, #0891b2 0%, #6366f1 50%, #a855f7 100%);
  --gradient-soft: linear-gradient(135deg, rgba(8, 145, 178, 0.08) 0%, rgba(99, 102, 241, 0.08) 100%);
  --cyan: #0891b2;
  --cyan-bright: #22d3ee;
  --indigo: #6366f1;
  --purple: #a855f7;
  --dark: #0a0f1a;
  --dark-surface: #111827;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(8, 145, 178, 0.08);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.6);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background 0.3s, border-color 0.3s;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border);
}

.header.scrolled .logo {
  color: var(--text);
}

.header.scrolled .nav-links a {
  color: var(--text-muted);
}

.header.scrolled .nav-links a:hover {
  color: var(--text);
}

.header.scrolled .menu-toggle span {
  background: var(--text);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: color 0.3s;
}

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.3);
  transition: box-shadow 0.3s, transform 0.3s;
}

.logo-mark svg {
  display: block;
  width: 100%;
  height: 100%;
}

.logo:hover .logo-mark {
  box-shadow: 0 0 28px rgba(99, 102, 241, 0.5);
  transform: scale(1.05);
}

.nav-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--white);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s, background 0.3s;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--dark);
  color: var(--white);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 40%, rgba(99, 102, 241, 0.18), transparent),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(8, 145, 178, 0.12), transparent),
    radial-gradient(ellipse 40% 30% at 90% 10%, rgba(168, 85, 247, 0.1), transparent);
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-orb-1 {
  width: 400px;
  height: 400px;
  top: -10%;
  right: 10%;
  background: rgba(34, 211, 238, 0.15);
}

.hero-orb-2 {
  width: 300px;
  height: 300px;
  bottom: 10%;
  left: -5%;
  background: rgba(99, 102, 241, 0.12);
  animation-delay: -4s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -20px); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
  pointer-events: none;
}

.hero-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.015) 2px,
    rgba(255, 255, 255, 0.015) 4px
  );
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content {
  max-width: 560px;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-bright);
  margin-bottom: 24px;
  padding: 6px 14px 6px 10px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 100px;
}

.hero-label-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 12px var(--cyan-bright);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title-line {
  display: block;
  color: rgba(255, 255, 255, 0.9);
}

.hero-title-accent {
  display: block;
  background: linear-gradient(135deg, #22d3ee 0%, #818cf8 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.75;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.5);
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1;
  margin: 0 auto;
  justify-self: end;
}

.hero-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(34, 211, 238, 0.15);
  transform: translate(-50%, -50%);
}

.hero-ring-1 {
  width: 100%;
  height: 100%;
  animation: ringSpin 20s linear infinite;
}

.hero-ring-2 {
  width: 75%;
  height: 75%;
  border-color: rgba(99, 102, 241, 0.2);
  animation: ringSpin 15s linear infinite reverse;
}

.hero-ring-3 {
  width: 50%;
  height: 50%;
  border-color: rgba(168, 85, 247, 0.25);
  border-style: dashed;
  animation: ringSpin 10s linear infinite;
}

@keyframes ringSpin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-logo-display {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 45%;
  z-index: 2;
}

.hero-logo-display svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(34, 211, 238, 0.4));
}

.hero-node {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-bright);
  box-shadow: 0 0 16px var(--cyan-bright);
}

.hero-node-1 { top: 8%; left: 50%; animation: nodeBlink 3s ease-in-out infinite; }
.hero-node-2 { bottom: 20%; left: 5%; animation: nodeBlink 3s ease-in-out infinite 1s; }
.hero-node-3 { top: 40%; right: 2%; animation: nodeBlink 3s ease-in-out infinite 2s; }

@keyframes nodeBlink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(0.8); }
}

.hero-float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(17, 24, 39, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  backdrop-filter: blur(12px);
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  animation: cardFloat 6s ease-in-out infinite;
}

.float-icon {
  color: var(--cyan-bright);
  font-size: 0.875rem;
}

.hero-float-card.card-1 {
  top: 12%;
  right: -8%;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 28%;
  left: -12%;
  animation-delay: -2s;
}

.hero-float-card.card-3 {
  bottom: 8%;
  right: 5%;
  animation-delay: -4s;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, background 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 24px rgba(34, 211, 238, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.45);
}

.btn-outline {
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--cyan-bright);
  color: var(--cyan-bright);
  background: rgba(34, 211, 238, 0.08);
}

.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 48px;
}

.section-header.center {
  text-align: center;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-tag.light {
  color: var(--cyan-bright);
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-sub {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 1rem;
}

.about {
  background: var(--bg);
}

.about-grid {
  display: grid;
  gap: 24px;
  max-width: 800px;
}

.about-lead {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
}

.about-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.business {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.business-card {
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: box-shadow 0.3s, transform 0.3s;
}

.business-card:hover {
  box-shadow: 0 12px 32px rgba(8, 145, 178, 0.12);
  transform: translateY(-4px);
}

.business-card:nth-child(1) {
  border-top: 3px solid var(--cyan);
}

.business-card:nth-child(2) {
  border-top: 3px solid var(--indigo);
}

.business-card:nth-child(3) {
  border-top: 3px solid var(--purple);
}

.business-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-soft);
  border-radius: 10px;
  margin-bottom: 20px;
}

.business-icon svg {
  width: 24px;
  height: 24px;
  color: var(--indigo);
}

.business-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.business-card > p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.business-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.business-list li {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding-left: 16px;
  position: relative;
}

.business-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

.business-list strong {
  color: var(--text);
  font-weight: 600;
}

.edge {
  position: relative;
  overflow: hidden;
  background: var(--dark);
  color: var(--white);
}

.edge-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 70% 40%, rgba(99, 102, 241, 0.18), transparent),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(8, 145, 178, 0.12), transparent),
    radial-gradient(ellipse 40% 30% at 90% 10%, rgba(168, 85, 247, 0.1), transparent);
  pointer-events: none;
}

.edge .hero-grid {
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}

.edge .container {
  position: relative;
  z-index: 1;
}

.edge-header {
  margin-bottom: 56px;
}

.edge .section-header h2 {
  color: var(--white);
}

.edge-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.edge-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s;
}

.edge-item:first-child {
  padding-top: 0;
}

.edge-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.edge-item:hover {
  transform: translateX(6px);
}

.edge-aside {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 64px;
}

.edge-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  backdrop-filter: blur(8px);
}

.edge-line {
  flex: 1;
  width: 1px;
  min-height: 24px;
  margin-top: 12px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.05));
}

.edge-content {
  flex: 1;
  padding-top: 4px;
}

.edge-content h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--white);
}

.edge-content p {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.vision {
  background: var(--bg);
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto 48px;
}

.vision-card {
  padding: 40px 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.vision-card.mission {
  background: linear-gradient(145deg, #ecfeff 0%, #f0fdfa 100%);
  border-color: rgba(8, 145, 178, 0.2);
}

.vision-card.vision-statement {
  background: linear-gradient(145deg, #eef2ff 0%, #faf5ff 100%);
  border-color: rgba(99, 102, 241, 0.2);
}

.vision-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}

.vision-card.vision-statement .vision-label {
  color: var(--indigo);
}

.vision-card p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text);
}

.vision-tagline {
  text-align: center;
  font-size: 1.125rem;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  max-width: 640px;
  margin: 0 auto;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--white);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-brand {
  font-weight: 600;
  font-size: 0.9375rem;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-actions,
  .hero-tags {
    justify-content: center;
  }

  .hero-visual {
    max-width: 360px;
    justify-self: center;
  }

  .hero-float-card.card-1 { right: -2%; }
  .hero-float-card.card-2 { left: -2%; }

  .business-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--dark-surface);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 24px 24px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s, opacity 0.3s, visibility 0.3s;
  }

  .header.scrolled .nav-links {
    background: var(--white);
    border-bottom-color: var(--border);
  }

  .header.scrolled .nav-links a {
    color: var(--text-muted);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .header.scrolled .nav-links li {
    border-bottom-color: var(--border);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }

  .nav-links a {
    display: block;
    padding: 14px 0;
    color: rgba(255, 255, 255, 0.75);
  }

  .nav-links a:hover {
    color: var(--white);
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-float-card {
    padding: 8px 12px;
    font-size: 0.75rem;
  }

  .hero-float-card.card-1 { top: 5%; right: 0; }
  .hero-float-card.card-2 { bottom: 30%; left: 0; }
  .hero-float-card.card-3 { bottom: 5%; right: 0; }

  .section {
    padding: 72px 0;
  }

  .edge-item {
    gap: 20px;
    padding: 28px 0;
  }

  .edge-aside {
    width: 48px;
  }

  .edge-num {
    width: 40px;
    height: 40px;
    font-size: 0.875rem;
    border-radius: 10px;
  }

  .edge-content h3 {
    font-size: 1.0625rem;
  }

  .vision-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}
