:root {
  --bg: #060b13;
  --bg-elev: #0b1423;
  --bg-elev-2: #121f34;
  --text: #e8f3ff;
  --muted: #98abc3;
  --line: #23344d;
  --primary: #00c2ff;
  --primary-2: #00f0c5;
  --accent: #5ca7ff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 15%, rgba(0, 240, 197, 0.16), transparent 34%),
    radial-gradient(circle at 80% 10%, rgba(0, 194, 255, 0.2), transparent 37%),
    radial-gradient(circle at 50% 85%, rgba(92, 167, 255, 0.12), transparent 40%),
    linear-gradient(180deg, #050a12 0%, #07101d 45%, #050a12 100%);
}

.site-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 82%);
  opacity: 0.35;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(5, 11, 19, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(42, 65, 94, 0.6);
  flex-wrap: nowrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 0.3px;
  font-weight: 600;
}

.logo-dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: linear-gradient(140deg, var(--primary), var(--primary-2));
  box-shadow: 0 0 20px rgba(0, 240, 197, 0.6);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-shrink: 0;
  white-space: nowrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav a:hover {
  color: var(--text);
}

.nav .nav-cta {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.section {
  width: min(1160px, 92vw);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  scroll-margin-top: 60px;
}

.hero {
  padding-top: clamp(48px, 7vw, 96px);
  scroll-margin-top: 60px;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--primary-2);
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  font-size: 12px;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1 {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.subtitle {
  margin-top: 18px;
  max-width: 62ch;
  color: #b8cae0;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 11px 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  color: #041019;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  box-shadow: 0 10px 28px rgba(0, 194, 255, 0.35);
}

.btn-ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(16, 30, 50, 0.45);
}

.hero-metrics {
  margin-top: 28px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-metrics li {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: rgba(9, 19, 33, 0.8);
}

.hero-metrics strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 22px;
  color: #d9f4ff;
}

.hero-metrics span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.hero-panel,
.card,
.metric {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(15, 28, 46, 0.9), rgba(8, 17, 29, 0.9));
  box-shadow: var(--shadow);
}

.hero-panel {
  border-radius: calc(var(--radius) + 2px);
  padding: 22px;
}

.panel-title {
  font-size: 14px;
  color: #cbe8ff;
  margin-bottom: 14px;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.agent-grid span {
  display: block;
  padding: 10px;
  border: 1px solid #2b4568;
  border-radius: 10px;
  text-align: center;
  color: #d6e8fc;
  background: rgba(14, 32, 54, 0.85);
  font-size: 14px;
}

.hero-panel p {
  color: var(--muted);
  font-size: 14px;
}

.section-head {
  max-width: 100%;
}

.section-head h2 {
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.25;
  margin-bottom: 12px;
}

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

.card-grid {
  margin-top: 26px;
  display: grid;
  gap: 14px;
}

.card-grid.five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card {
  border-radius: var(--radius);
  padding: 18px;
}

.card h3 {
  font-size: 19px;
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
  font-size: 14px;
}

.product-card {
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 160px;
  height: 160px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(0, 194, 255, 0.16), transparent 65%);
  pointer-events: none;
}

.product-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 1px;
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  color: #c5f7ff;
  border: 1px solid #2e536f;
  border-radius: 999px;
  background: rgba(12, 35, 58, 0.72);
}

.product-fit {
  margin-top: 12px;
  font-size: 12px;
  color: #a8d8f2;
}

.timeline {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.timeline span {
  border: 1px solid #2a4365;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 14px;
  background: rgba(9, 20, 34, 0.84);
}

.metric-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  border-radius: 14px;
  padding: 16px 14px;
}

.metric h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 26px;
  margin-bottom: 6px;
  color: #ddf7ff;
}

.metric p {
  font-size: 13px;
  color: var(--muted);
}

.split {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card.emphasis {
  border-color: #3f708f;
}

.card ul {
  margin-top: 12px;
  padding-left: 18px;
  color: #b7cae0;
}

.contact {
  text-align: center;
}

.contact .section-head {
  margin: 0 auto;
}

.contact-wrapper {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  text-align: left;
}

.contact-info-card {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(15, 28, 46, 0.9), rgba(8, 17, 29, 0.9));
  border-radius: var(--radius);
  padding: 28px 24px;
  height: 100%;
}

.contact-info-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}

.company-slogan {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #b8cae0;
  font-size: 14px;
}

.contact-detail-item svg {
  flex-shrink: 0;
  color: var(--primary);
}

.contact-form-wrap {
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(15, 28, 46, 0.9), rgba(8, 17, 29, 0.9));
  border-radius: var(--radius);
  padding: 28px 24px;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.contact-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 0;
}

.contact-form .form-group:last-child:not(.form-row .form-group) {
  margin-bottom: 20px;
}

.contact-form label {
  font-size: 13px;
  color: #b8cae0;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(6, 12, 22, 0.7);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: #506b87;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.contact-form textarea {
  resize: vertical;
  min-height: 80px;
}

.btn-full {
  width: 100%;
}

.contact-actions {
  margin-top: 24px;
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
}

.about-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.company-timeline {
  margin-top: 20px;
}

.footer {
  border-top: 1px solid var(--line);
  color: #8299b4;
  text-align: center;
  padding: 24px 16px 36px;
  font-size: 13px;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 1120px) {
  .card-grid.five {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .about-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .split,
  .card-grid.three,
  .card-grid.two,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
  }

  .about-metrics {
    grid-template-columns: 1fr;
  }

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

  .menu-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: calc(100% + 8px);
    left: 18px;
    right: 18px;
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: rgba(9, 16, 28, 0.96);
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav.open {
    display: flex;
  }

  .nav .nav-cta {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .card-grid.five,
  .card-grid.four,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .section {
    width: min(1160px, 90vw);
  }
}