:root {
  --ink: #071a2b;
  --ink-deep: #03111f;
  --panel: #0b2740;
  --panel-light: #103553;
  --cyan: #23d8ff;
  --cyan-soft: #9feeff;
  --lime: #b8f34a;
  --white: #f7fbff;
  --muted: #a8bfd0;
  --line: rgba(84, 197, 234, 0.3);
  --line-strong: rgba(35, 216, 255, 0.72);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 80% 6%, rgba(18, 70, 215, 0.25), transparent 26rem),
    var(--ink-deep);
  color: var(--white);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 4vw;
  border-bottom: 1px solid var(--line);
  background: rgba(3, 17, 31, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-size: clamp(0.88rem, 1.4vw, 1.18rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
}

.brand-mark::after {
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 12px;
  height: 2px;
  background: var(--cyan);
  content: "";
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 38px);
  color: #d8e7f1;
  font-size: 0.92rem;
}

.site-header nav a {
  position: relative;
  padding: 28px 0;
}

.site-header nav a::after {
  position: absolute;
  right: 0;
  bottom: 20px;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--cyan);
  content: "";
  transition: transform 180ms ease;
}

.site-header nav a:hover::after,
.site-header nav a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  display: grid;
  min-height: calc(100vh - 78px);
  grid-template-columns: minmax(0, 0.92fr) minmax(560px, 1.08fr);
  gap: clamp(34px, 4vw, 72px);
  align-items: center;
  padding: clamp(58px, 7vw, 104px) 4vw;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(rgba(8, 39, 68, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8, 39, 68, 0.2) 1px, transparent 1px);
  background-size: 56px 56px;
  overflow: hidden;
}

.grid-decoration {
  position: absolute;
  width: 240px;
  height: 240px;
  top: 8%;
  left: -110px;
  border: 1px solid rgba(35, 216, 255, 0.12);
  border-radius: 50%;
}

.grid-decoration::before,
.grid-decoration::after {
  position: absolute;
  inset: 26%;
  border: 1px solid rgba(35, 216, 255, 0.16);
  border-radius: 50%;
  content: "";
}

.grid-decoration::after {
  inset: 49% -35%;
  border: 0;
  border-top: 1px solid rgba(35, 216, 255, 0.18);
  border-radius: 0;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.eyebrow,
.section-kicker,
.location-label {
  margin: 0 0 18px;
  color: var(--cyan);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(3.6rem, 6.35vw, 7rem);
  font-weight: 770;
  letter-spacing: -0.072em;
  line-height: 0.92;
  text-wrap: balance;
}

.cyan {
  color: var(--cyan);
}

.lime {
  color: var(--lime);
}

.hero-lead {
  max-width: 650px;
  margin: 34px 0 0;
  color: #d7e7f2;
  font-size: clamp(1.05rem, 1.4vw, 1.28rem);
  line-height: 1.58;
}

.hero-actions,
.final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 0 25px;
  border: 1px solid;
  border-radius: 9px;
  font-weight: 760;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button span,
.text-link span,
.product-card-foot a span {
  font-size: 1.35em;
  line-height: 0;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  border-color: var(--lime);
  background: var(--lime);
  box-shadow: 0 0 0 rgba(184, 243, 74, 0);
  color: #061525;
}

.button-primary:hover,
.button-primary:focus-visible {
  box-shadow: 0 9px 34px rgba(184, 243, 74, 0.25);
}

.button-secondary {
  border-color: var(--cyan);
  background: rgba(3, 17, 31, 0.7);
  color: var(--cyan);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(35, 216, 255, 0.09);
  box-shadow: 0 9px 34px rgba(35, 216, 255, 0.15);
}

.hero-facts {
  display: grid;
  max-width: 720px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(9, 39, 64, 0.64);
}

.hero-facts > div {
  display: flex;
  min-height: 92px;
  align-items: center;
  gap: 13px;
  padding: 17px;
}

.hero-facts > div + div {
  border-left: 1px solid var(--line);
}

.fact-icon {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  color: var(--cyan);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.74rem;
  font-weight: 800;
}

.hero-facts p {
  display: grid;
  gap: 3px;
  margin: 0;
}

.hero-facts strong {
  font-size: 0.82rem;
}

.hero-facts small {
  color: var(--muted);
  font-size: 0.69rem;
}

.hero-products {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid;
  border-radius: 14px;
  background: rgba(9, 39, 64, 0.88);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.product-card-textile {
  border-color: rgba(35, 216, 255, 0.65);
}

.product-card-uv {
  border-color: rgba(184, 243, 74, 0.65);
}

.product-card::before,
.product-card::after {
  position: absolute;
  z-index: 2;
  width: 22px;
  height: 22px;
  border-top: 2px solid currentColor;
  content: "";
}

.product-card::before {
  top: 8px;
  left: 8px;
  border-left: 2px solid currentColor;
}

.product-card::after {
  right: 8px;
  bottom: 8px;
  transform: rotate(180deg);
  border-left: 2px solid currentColor;
}

.product-card-textile {
  color: var(--cyan);
}

.product-card-uv {
  color: var(--lime);
}

.product-card-head {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 23px;
}

.product-card-head span {
  font-family: "Courier New", Courier, monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.product-card-head h2 {
  margin: 5px 0 0;
  color: var(--white);
  font-size: clamp(1.45rem, 2.1vw, 2.2rem);
  letter-spacing: -0.04em;
}

.product-card-head i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 18px currentColor;
}

.product-card img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-block: 1px solid rgba(255, 255, 255, 0.12);
  background: #0b2338;
}

.product-card-foot {
  display: grid;
  min-height: 108px;
  align-content: center;
  gap: 12px;
  padding: 18px 23px;
}

.product-card-foot > span {
  color: var(--muted);
  font-size: 0.71rem;
}

.product-card-foot a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 750;
}

.section-shell {
  width: min(1220px, 92vw);
  margin-inline: auto;
  padding-block: clamp(80px, 10vw, 150px);
}

.intro {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 7vw;
  align-items: start;
}

.intro h2,
.section-heading h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(2.45rem, 5vw, 5.25rem);
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.intro p:not(.section-kicker),
.section-heading > p:last-child,
.final-cta > div > p:last-child {
  max-width: 860px;
  margin: 30px 0 0;
  color: #bfd1dd;
  font-size: clamp(1.08rem, 1.6vw, 1.32rem);
  line-height: 1.75;
}

.intro strong {
  color: var(--white);
}

.services {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding-top: 0;
}

.service-panel {
  position: relative;
  padding: clamp(34px, 4vw, 60px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(16, 53, 83, 0.9), rgba(5, 27, 45, 0.94));
}

.service-panel::after {
  position: absolute;
  width: 220px;
  height: 220px;
  right: -110px;
  bottom: -120px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.12;
  content: "";
}

.service-textile {
  color: var(--cyan);
}

.service-uv {
  color: var(--lime);
}

.panel-number {
  position: absolute;
  top: 22px;
  right: 26px;
  margin: 0;
  color: currentColor;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.78rem;
}

.service-panel h2 {
  margin: 0 0 26px;
  color: var(--white);
  font-size: clamp(2.35rem, 4vw, 4.5rem);
  letter-spacing: -0.06em;
}

.service-panel > p:not(.eyebrow, .panel-number) {
  color: #bfd1dd;
  line-height: 1.72;
}

.service-panel ul {
  display: grid;
  gap: 13px;
  margin: 28px 0 34px;
  padding: 0;
  color: #e5f0f6;
  list-style: none;
}

.service-panel li {
  position: relative;
  padding-left: 23px;
}

.service-panel li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border: 1px solid currentColor;
  content: "";
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 8px;
  border-bottom: 1px solid currentColor;
  font-weight: 760;
}

.section-heading {
  max-width: 820px;
}

.process {
  border-top: 1px solid var(--line);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 60px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.steps li {
  min-height: 300px;
  padding: 28px 24px 38px;
}

.steps li + li {
  border-left: 1px solid var(--line);
}

.steps span,
.audience-grid span {
  color: var(--cyan);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}

.steps h3,
.location-groups h3,
.audience-grid h3 {
  margin: 56px 0 18px;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.steps p,
.audience-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.keyword-band {
  overflow: hidden;
  border-block: 1px solid var(--line-strong);
  background: var(--cyan);
  color: var(--ink-deep);
}

.keyword-band > div {
  display: flex;
  min-width: max-content;
  gap: 42px;
  padding: 16px 22px;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.keyword-band span::after {
  margin-left: 42px;
  content: "◆";
}

.locations {
  padding-bottom: 70px;
}

.location-groups {
  display: grid;
  gap: 18px;
  margin-top: 62px;
}

.location-groups article {
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(9, 39, 64, 0.5);
}

.location-groups h3 {
  margin: 0 0 25px;
  font-size: clamp(1.45rem, 2.8vw, 2.25rem);
}

.location-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.location-tags span {
  padding: 9px 12px;
  border: 1px solid rgba(153, 205, 228, 0.2);
  border-radius: 5px;
  background: rgba(7, 26, 43, 0.72);
  color: #cadde8;
  font-size: 0.78rem;
}

.location-copy {
  max-width: 930px;
  margin: 42px 0 0;
  color: var(--muted);
  line-height: 1.78;
}

.audiences {
  padding-top: 70px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 54px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.audience-grid article {
  min-height: 290px;
  padding: 30px 25px;
  background: rgba(9, 39, 64, 0.54);
}

.audience-grid article + article {
  border-left: 1px solid var(--line);
}

.audience-grid h3 {
  margin-top: 76px;
}

.faq {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 7vw;
  border-top: 1px solid var(--line);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: grid;
  grid-template-columns: 42px 1fr 22px;
  gap: 16px;
  align-items: center;
  padding: 24px 0;
  cursor: pointer;
  font-size: 1.02rem;
  font-weight: 650;
  list-style: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary span {
  color: var(--cyan);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.68rem;
}

.faq summary i {
  color: var(--cyan);
  font-size: 1.4rem;
  font-style: normal;
  text-align: right;
  transition: transform 180ms ease;
}

.faq details[open] summary i {
  transform: rotate(45deg);
}

.faq details p {
  margin: 0;
  padding: 0 0 28px 58px;
  color: var(--muted);
  line-height: 1.7;
}

.final-cta {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  border-top: 1px solid var(--line);
}

.final-cta > div:first-child {
  max-width: 680px;
}

.final-actions {
  min-width: 310px;
  flex-direction: column;
}

footer {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 50px;
  padding: 64px 4vw 30px;
  border-top: 1px solid var(--line);
  background: #020d17;
}

footer > div:first-child p {
  max-width: 330px;
  color: var(--muted);
  line-height: 1.6;
}

footer address,
.footer-links {
  display: grid;
  align-content: start;
  gap: 9px;
  color: var(--muted);
  font-size: 0.86rem;
  font-style: normal;
}

footer address strong {
  margin-bottom: 7px;
  color: var(--white);
}

footer a:hover {
  color: var(--cyan);
}

.copyright {
  grid-column: 1 / -1;
  margin: 30px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(84, 197, 234, 0.14);
  color: #708da1;
  font-size: 0.76rem;
}

@media (max-width: 1120px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 18px 12px;
  }

  .site-header nav {
    width: 100%;
    gap: 24px;
    overflow-x: auto;
  }

  .site-header nav a {
    padding: 6px 0 10px;
    white-space: nowrap;
  }

  .site-header nav a::after {
    bottom: 2px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-products {
    max-width: 820px;
  }

  .hero h1 {
    font-size: clamp(4rem, 9vw, 6.5rem);
  }

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

  .steps li:nth-child(3),
  .audience-grid article:nth-child(3) {
    border-left: 0;
  }

  .steps li:nth-child(n + 3),
  .audience-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .site-header {
    position: relative;
  }

  .hero {
    padding: 54px 5vw 70px;
    background-size: 36px 36px;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 16vw, 5.2rem);
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-actions,
  .final-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

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

  .hero-facts > div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

  .product-card img {
    aspect-ratio: 16 / 12;
  }

  .intro,
  .services,
  .faq {
    grid-template-columns: 1fr;
  }

  .intro {
    gap: 28px;
  }

  .services {
    padding-top: 0;
  }

  .section-shell {
    width: 90vw;
  }

  .steps,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .steps li + li,
  .steps li:nth-child(3),
  .audience-grid article + article,
  .audience-grid article:nth-child(3) {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .steps li {
    min-height: auto;
  }

  .steps h3,
  .audience-grid h3 {
    margin-top: 38px;
  }

  .audience-grid article {
    min-height: 240px;
  }

  .faq details p {
    padding-left: 0;
  }

  .final-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .final-actions {
    min-width: 0;
  }

  footer {
    grid-template-columns: 1fr;
  }

  .copyright {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
