:root {
  --navy: #0b1324;
  --midnight: #10192d;
  --steel: #2a3646;
  --silver: #c2cfdd;
  --light: #e7ecf4;
  --blue: #3ad6ff;
  --amber: #ffb547;
  --bg: #070b16;
  --card: rgba(20, 28, 43, 0.9);
  --text: #eef3fb;
  --muted: #a6b4c8;
  --radius: 16px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 12% 18%, rgba(58, 214, 255, 0.12), transparent 26%), radial-gradient(circle at 82% 6%, rgba(255, 181, 71, 0.08), transparent 32%), var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: "Montserrat", "Poppins", sans-serif;
  margin: 0 0 12px;
  color: #f5f7fb;
}

p {
  margin: 0 0 12px;
  color: var(--muted);
}

img {
  max-width: 100%;
  display: block;
  border-radius: 12px;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  /* background: linear-gradient(135deg, rgba(240, 243, 247, 0.96), rgba(224, 230, 236, 0.96)); */
  /* background: #102995; */
  background: #a6b4c8;
  border-bottom: 1px solid rgba(0, 16, 36, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 36px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.8px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0b1324, #2a3646);
  display: grid;
  place-items: center;
  font-weight: 800;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
}

.logo-mark--outlined {
  background: #ffffff;
  border: 2px solid rgba(11, 19, 36, 0.12);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.logo-mark--outlined img {
  width: 70%;
  height: 70%;
  object-fit: contain;
}

.logo-text {
  /* color: var(--blue); */
  color: #102995;
  font-size: 22px;
  text-transform: uppercase;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 600;
  position: relative;
}

.nav a {
  padding: 10px 14px;
  border-radius: 12px;
  transition: color 180ms ease, background 180ms ease;
  color: #111827;
}

.nav a:hover {
  color: var(--blue);
  background: rgba(17, 24, 39, 0.05);
}

.nav .cta {
  /* background: linear-gradient(135deg, var(--blue), #46e0ff); */
  background: #102995;
  color: #ffffff;
  box-shadow: 0 12px 32px rgba(58, 214, 255, 0.35);
}

.nav__item {
  position: relative;
}

.nav__trigger {
  background: transparent;
  border: none;
  color: inherit;
  font: inherit;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease;
}

.nav__trigger:hover {
  color: var(--blue);
  background: rgba(45, 156, 219, 0.1);
}

.nav__submenu {
  position: absolute;
  top: 110%;
  left: 0;
  min-width: 240px;
  background: rgba(10, 17, 28, 0.95);
  border: 1px solid rgba(184, 196, 212, 0.12);
  border-radius: 14px;
  padding: 10px;
  display: grid;
  gap: 6px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 140ms ease, transform 140ms ease;
}

.nav__submenu a {
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(184, 196, 212, 0.03);
  border: 1px solid transparent;
}

.nav__submenu a:hover {
  border-color: rgba(45, 156, 219, 0.5);
  color: var(--blue);
}

.nav__item.open .nav__submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 36px;
  padding: 20px 36px;
  align-items: center;
  background: radial-gradient(circle at 25% 18%, rgba(58, 214, 255, 0.16), transparent 30%), linear-gradient(135deg, rgba(12, 21, 40, 0.9), rgba(17, 32, 54, 0.92));
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 24%, rgba(255, 181, 71, 0.12), transparent 36%);
  pointer-events: none;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(58, 214, 255, 0.1), rgba(11, 20, 36, 0.12));
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 181, 71, 0.28), transparent 70%);
  filter: blur(20px);
  top: -60px;
  right: -60px;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(58, 214, 255, 0.12);
  border: 1px solid rgba(58, 214, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  font-size: 12px;
  margin-bottom: 14px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--silver);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.05;
}

.lead {
  max-width: 620px;
  font-size: 17px;
}

.hero__actions {
  display: flex;
  gap: 14px;
  margin: 20px 0;
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid rgba(184, 196, 212, 0.2);
  font-weight: 700;
  letter-spacing: 0.2px;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.btn.primary {
  background: linear-gradient(135deg, var(--blue), #46e0ff);
  color: #03101f;
  box-shadow: 0 12px 36px rgba(58, 214, 255, 0.35);
  border: none;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
}

.btn.full {
  width: 100%;
}

.btn:hover {
  transform: translateY(-2px);
}

.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero__visual img {
  width: 100%;
  /* max-width: 540px; */
  border: 1px solid rgba(184, 196, 212, 0.25);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.hero__rings::before,
.hero__rings::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(45, 156, 219, 0.35);
}

.hero__rings::before {
  width: 540px;
  height: 540px;
  animation: spin 20s linear infinite;
}

.hero__rings::after {
  width: 440px;
  height: 440px;
  animation: spin 14s linear infinite reverse;
}

.hero__overlay-card {
  position: absolute;
  bottom: 20px;
  right: 20px;
  max-width: 280px;
  backdrop-filter: blur(10px);
}

.hero__stats {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.hero__stats div {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(58, 214, 255, 0.18);
  background: rgba(58, 214, 255, 0.06);
  min-width: 140px;
}

.hero__stats strong {
  font-size: 22px;
  display: block;
  color: #f7fbff;
}

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

.section {
  padding: 40px 36px;
}

.section__header {
  max-width: 700px;
  margin-bottom: 22px;
}

.section__desc {
  color: var(--muted);
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid rgba(194, 207, 221, 0.08);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.glass {
  background: rgba(17, 27, 45, 0.7);
  backdrop-filter: blur(14px);
}

.highlight {
  background: radial-gradient(circle at 88% 12%, rgba(58, 214, 255, 0.15), transparent 30%), linear-gradient(135deg, rgba(14, 24, 42, 0.94), rgba(9, 14, 24, 0.96));
}

.slate {
  background: linear-gradient(135deg, rgba(18, 26, 44, 0.94), rgba(13, 18, 30, 0.92));
}

.mist {
  background: linear-gradient(135deg, rgba(22, 32, 48, 0.82), rgba(12, 18, 30, 0.82));
  border-top: 1px solid rgba(194, 207, 221, 0.08);
  border-bottom: 1px solid rgba(194, 207, 221, 0.08);
}

.ink {
  background: linear-gradient(135deg, rgba(9, 12, 22, 0.95), rgba(5, 7, 12, 0.97));
  border-top: 1px solid rgba(194, 207, 221, 0.08);
}

.services-carousel {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
}

.carousel-window {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 6px 2px;
}

.carousel-window::-webkit-scrollbar {
  display: none;
}

.carousel-track {
  display: flex;
  gap: 14px;
}

.carousel-track .service-card {
  min-width: 260px;
  flex: 0 0 260px;
  scroll-snap-align: start;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  height: 100%;
}

.service-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(194, 207, 221, 0.1);
  background: rgba(194, 207, 221, 0.06);
}

.service-card .link {
  margin-top: auto;
}

.carousel-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(194, 207, 221, 0.25);
  background: rgba(20, 28, 43, 0.9);
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  transition: background 140ms ease, transform 140ms ease, border-color 140ms ease;
}

.carousel-btn:hover {
  background: rgba(58, 214, 255, 0.14);
  border-color: rgba(58, 214, 255, 0.6);
  transform: translateY(-1px);
}

.service-card h3 {
  margin-bottom: 8px;
}

.icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(58, 214, 255, 0.18);
  display: grid;
  place-items: center;
  margin-bottom: 10px;
}

.callback {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: start;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge-row span {
  background: rgba(184, 196, 212, 0.08);
  border: 1px solid rgba(184, 196, 212, 0.15);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 13px;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-weight: 600;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  color: var(--silver);
}

input,
textarea {
  border-radius: 10px;
  border: 1px solid rgba(184, 196, 212, 0.18);
  background: rgba(10, 17, 28, 0.8);
  color: var(--text);
  padding: 12px;
  font-size: 14px;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(45, 156, 219, 0.25);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.gallery figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(194, 207, 221, 0.08);
  background: rgba(20, 28, 43, 0.6);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.gallery figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.6));
  font-size: 13px;
}

.gallery img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
}

.clients__carousel {
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(184, 196, 212, 0.12);
  background: rgba(12, 22, 36, 0.8);
}

.carousel__track {
  display: flex;
  gap: 14px;
}

.carousel__track span {
  color: var(--silver);
  font-weight: 600;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
}

.carousel__track span img {
  width: 152px;
  height: 152px;
  object-fit: contain;
  filter: none;
}

.clients .carousel__track {
  gap: 40px;
  padding: 20px;
  white-space: nowrap;
  animation: marquee 24s linear infinite;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.bullets {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}

.bullets li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.bullets li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--blue);
}

.faq details {
  margin-bottom: 8px;
  background: rgba(184, 196, 212, 0.06);
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(184, 196, 212, 0.08);
}

.services-detail .block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  align-items: center;
}

.service-blocks {
  display: grid;
  gap: 16px;
}

.products__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.product-card h3 {
  font-size: 16px;
}

.product-card .use {
  color: var(--blue);
  font-weight: 600;
}

.product-card .spec {
  color: var(--muted);
}

.quote__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  align-items: start;
}

.reassurance {
  display: grid;
  gap: 12px;
}

.contact-block {
  padding: 12px;
  border-radius: 12px;
  background: rgba(45, 156, 219, 0.08);
  border: 1px solid rgba(45, 156, 219, 0.16);
}

.footer {
  padding: 28px 36px 40px;
  border-top: 1px solid rgba(184, 196, 212, 0.12);
  background: rgba(8, 14, 24, 0.9);
  display: grid;
  gap: 8px;
}

.footer__meta {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}