:root {
  --bg: #f3f7fb;
  --surface: #ffffff;
  --surface-2: #eef5ff;
  --ink: #0d1b2a;
  --muted: #4f6278;
  --line: #cfe0f4;
  --c1: #0f766e;
  --c2: #0b57d0;
  --c3: #ff6f61;
  --c4: #f59e0b;
  --shadow: 0 18px 44px rgba(16, 32, 56, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--ink);
  line-height: 1.55;
  background:
    radial-gradient(circle at 10% 8%, rgba(255, 111, 97, 0.2), transparent 34%),
    radial-gradient(circle at 90% 11%, rgba(15, 118, 110, 0.19), transparent 32%),
    var(--bg);
  overflow-x: hidden;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 87, 208, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 87, 208, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 95%);
}

.pulse {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(15, 118, 110, 0.16) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.5;
  mask-image: radial-gradient(circle at center, black 26%, transparent 90%);
}

.site-header,
main,
.site-footer {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0.8rem;
  z-index: 20;
  margin-top: 0.8rem;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
}

.brand-logo {
  width: 220px;
  max-width: 42vw;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.site-nav .nav-cta {
  padding: 0.58rem 0.96rem;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(120deg, var(--c1), var(--c2));
}

.hero {
  padding: 4rem 0 1.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  max-width: 13ch;
}

.eyebrow {
  margin: 0 0 0.65rem;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c2);
}

.hero-text {
  margin: 0.95rem 0 0;
  color: var(--muted);
  max-width: 60ch;
}

.hero-tags {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-tags span {
  border: 1px solid #bfd2eb;
  padding: 0.35rem 0.72rem;
  border-radius: 999px;
  font-size: 0.82rem;
  background: #f7fbff;
  color: #124179;
}

.button-primary {
  margin-top: 1.15rem;
  display: inline-flex;
  text-decoration: none;
  color: #fff;
  font-weight: 700;
  padding: 0.8rem 1.18rem;
  border-radius: 10px;
  background: linear-gradient(120deg, var(--c3), #f59e0b);
  box-shadow: 0 10px 26px rgba(255, 111, 97, 0.28);
}

.hero-network {
  position: relative;
  min-height: 410px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 111, 97, 0.2), transparent 34%),
    radial-gradient(circle at 88% 18%, rgba(11, 87, 208, 0.21), transparent 34%),
    radial-gradient(circle at 50% 84%, rgba(15, 118, 110, 0.2), transparent 40%),
    linear-gradient(150deg, #ffffff, #eef5ff);
  box-shadow: var(--shadow);
}

.orbit {
  position: absolute;
  border: 1px dashed rgba(19, 72, 141, 0.23);
  border-radius: 50%;
}

.o1 {
  width: 300px;
  height: 300px;
  top: 42px;
  left: 42px;
  animation: spin 22s linear infinite;
}

.o2 {
  width: 220px;
  height: 220px;
  top: 90px;
  left: 145px;
  animation: spin 16s linear infinite reverse;
}

.node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(15, 118, 110, 0.17);
}

.n1 {
  top: 78px;
  left: 66px;
  background: var(--c1);
}

.n2 {
  top: 68px;
  right: 70px;
  background: var(--c2);
}

.n3 {
  top: 174px;
  left: 154px;
  background: var(--c3);
}

.n4 {
  top: 212px;
  right: 104px;
  background: #08b0a3;
}

.n5 {
  bottom: 82px;
  left: 92px;
  background: var(--c4);
}

.n6 {
  bottom: 62px;
  right: 70px;
  background: #1f7fff;
}

.edge {
  position: absolute;
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(15, 118, 110, 0.25), rgba(11, 87, 208, 0.75));
}

.e1 {
  top: 84px;
  left: 76px;
  width: 224px;
  transform: rotate(8deg);
}

.e2 {
  top: 178px;
  left: 166px;
  width: 186px;
  transform: rotate(-17deg);
}

.e3 {
  top: 252px;
  left: 98px;
  width: 224px;
  transform: rotate(6deg);
}

.e4 {
  top: 144px;
  left: 74px;
  width: 146px;
  transform: rotate(30deg);
}

.agent {
  position: absolute;
  border: 1px solid #bdd1ea;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.84);
  color: #123a68;
  padding: 0.42rem 0.65rem;
  font-size: 0.77rem;
  font-weight: 700;
  animation: bob 4.6s ease-in-out infinite;
}

.a1 {
  top: 24px;
  right: 20px;
}

.a2 {
  top: 183px;
  left: 20px;
  animation-delay: 0.7s;
}

.a3 {
  bottom: 24px;
  right: 34px;
  animation-delay: 1.3s;
}

.section {
  margin: 1.2rem 0;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 1.9rem;
  box-shadow: var(--shadow);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.section-head h2,
.contact h2 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0.6rem 0 0;
  color: var(--muted);
  max-width: 72ch;
}

.section-intro.short {
  max-width: 45ch;
}

.product-grid,
.sign-detail-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.product-card,
.sign-detail-grid article {
  border: 1px solid var(--line);
  border-radius: 15px;
  padding: 1rem;
  background: linear-gradient(170deg, #ffffff, #f5f9ff);
}

.product-card h3,
.sign-detail-grid h3,
.service-columns h3 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: 1.12rem;
}

.product-card p,
.sign-detail-grid p,
.service-columns p {
  margin: 0.58rem 0 0;
  color: var(--muted);
}

.product-featured {
  border-color: #ffc3bc;
  background: linear-gradient(170deg, #fff6f3, #fff7ea);
}

.chip {
  margin: 0 0 0.56rem;
  width: fit-content;
  border-radius: 999px;
  padding: 0.2rem 0.56rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b3100;
  background: #ffd8ad;
}

.section-sign {
  background: linear-gradient(165deg, #ffffff, #f3f8ff);
}

.sign-block {
  margin-top: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 1rem;
  align-items: center;
  background: #fbfdff;
}

.sign-logo {
  width: 100%;
  max-width: 260px;
  display: block;
}

.sign-block p {
  margin: 0;
  color: var(--muted);
}

.sign-block p + p {
  margin-top: 0.6rem;
}

.section-services {
  background: linear-gradient(165deg, #fdfefe, #f2f8ff);
}

.service-columns {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.service-columns > div {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
  background: #ffffff;
}

.service-columns article {
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px solid #d7e5f6;
}

.service-columns h4 {
  margin: 0;
  font-size: 0.98rem;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact p,
.contact li {
  color: var(--muted);
}

.contact ul {
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.contact li {
  margin-top: 0.35rem;
}

.contact-form {
  display: grid;
  gap: 0.55rem;
}

.contact-form label {
  font-size: 0.9rem;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  border: 1px solid #c4d8ef;
  border-radius: 10px;
  padding: 0.72rem 0.8rem;
  background: #fff;
}

.contact-form button {
  margin-top: 0.4rem;
  border: 0;
  border-radius: 10px;
  padding: 0.84rem 1rem;
  font: inherit;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(120deg, var(--c1), var(--c2));
}

.site-footer {
  padding: 0.55rem 0 2rem;
  color: #5b7089;
  font-size: 0.9rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes bob {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-7px);
  }
  100% {
    transform: translateY(0px);
  }
}

@media (max-width: 1024px) {
  .hero,
  .contact,
  .service-columns,
  .sign-block {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .sign-detail-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy h1 {
    max-width: 100%;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.72rem;
  }

  .hero {
    padding-top: 2rem;
  }

  .section {
    padding: 1.2rem;
  }

  .hero-network {
    min-height: 360px;
  }

  .agent {
    position: relative;
    display: inline-flex;
    margin: 0.35rem 0.2rem;
  }

  .a1,
  .a2,
  .a3 {
    inset: auto;
  }
}