:root {
  --container: 1260px;
  --bg: #080d12;
  --surface: #101923;
  --surface-soft: #14202b;
  --surface-card: rgba(17, 29, 39, .88);
  --ink: #f2f7f9;
  --muted: #9fb0ba;
  --line: rgba(198, 229, 241, .14);
  --blue: #42b8dc;
  --cyan: #77e4ff;
  --green: #7cc58a;
  --orange: #e59a52;
  --shadow: 0 26px 90px rgba(0, 0, 0, .38);
  --radius: 22px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 8%, rgba(66, 184, 220, .16), transparent 28%),
    linear-gradient(180deg, #080d12 0%, #0b1118 42%, #0f171f 100%);
  overflow-x: hidden;
}

body::selection {
  color: #061016;
  background: var(--cyan);
}

.page-ambient {
  position: fixed;
  inset: 0;
  z-index: -5;
  pointer-events: none;
  overflow: hidden;
}

.page-ambient span {
  position: absolute;
  width: 44vw;
  height: 44vw;
  border-radius: 50%;
  opacity: .28;
  filter: blur(90px);
  transform: translate3d(0, 0, 0);
  animation: ambientFloat 18s var(--ease) infinite alternate;
}

.page-ambient span:first-child {
  left: -18vw;
  top: 18vh;
  background: rgba(66, 184, 220, .38);
}

.page-ambient span:last-child {
  right: -20vw;
  top: 56vh;
  background: rgba(124, 197, 138, .24);
  animation-delay: -6s;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  padding: 12px clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 18, .58);
  backdrop-filter: blur(22px) saturate(1.2);
  transition: background .25s ease, box-shadow .25s ease, padding .25s ease;
}

.site-header.is-scrolled {
  padding-block: 9px;
  background: rgba(8, 13, 18, .88);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .28);
}

.site-header-inner,
.section-inner,
.hero-inner,
.site-footer-inner,
.footer-bottom {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand img {
  width: min(214px, 52vw);
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 28px);
  color: #d8e7ec;
  font-size: .82rem;
  font-weight: 800;
}

.main-nav a {
  position: relative;
  padding: 10px 0;
  white-space: nowrap;
  opacity: .86;
  transition: color .2s ease, opacity .2s ease;
}

.main-nav a:hover {
  color: #fff;
  opacity: 1;
}

.main-nav a::after {
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -8px;
  height: 2px;
  content: "";
  background: var(--cyan);
  transition: right .2s ease;
}

.main-nav a:hover::after {
  right: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255,255,255,.06);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 96vh;
  padding: 124px clamp(18px, 5vw, 76px) 70px;
  overflow: hidden;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 34%;
  content: "";
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.78) contrast(1.05) brightness(.55);
  transform: scale(1.03);
  animation: heroZoom 16s var(--ease) infinite alternate;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(8,13,18,.97) 0%, rgba(8,13,18,.76) 42%, rgba(8,13,18,.32) 78%),
    radial-gradient(circle at 26% 42%, rgba(119,228,255,.2), transparent 24%),
    linear-gradient(135deg, rgba(66,184,220,.13), transparent 42%);
}

.hero-lines {
  position: absolute;
  inset: 74px 0 0;
  z-index: -1;
  opacity: .34;
  background-image:
    linear-gradient(rgba(119,228,255,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(119,228,255,.1) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(90deg, #000, transparent 78%);
  transform: skewY(-4deg);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: end;
  gap: clamp(28px, 5vw, 70px);
  min-height: calc(96vh - 182px);
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(2.6rem, 4.7vw, 4.55rem);
  line-height: 1;
  letter-spacing: 0;
}

h1 span {
  display: block;
  color: transparent;
  background: linear-gradient(90deg, #ffffff, var(--cyan) 58%, #b5f4ff);
  -webkit-background-clip: text;
  background-clip: text;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(1.65rem, 2.65vw, 2.65rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.08rem, 1.6vw, 1.45rem);
}

.hero-text,
.section-heading p,
.about-copy p,
.quality-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.7;
}

.hero-text {
  max-width: 650px;
  color: #d7e6eb;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
}

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

.btn-primary {
  color: #061016;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 18px 38px rgba(66, 184, 220, .24), inset 0 1px 0 rgba(255,255,255,.48);
}

.btn-ghost {
  border-color: rgba(216, 236, 244, .28);
  color: #ecf7fa;
  background: rgba(255,255,255,.055);
  backdrop-filter: blur(12px);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 560px;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(16px);
}

.hero-proof div {
  padding: 16px;
  background: rgba(8,13,18,.32);
}

.hero-proof strong,
.hero-proof span {
  display: block;
}

.hero-proof strong {
  color: #fff;
  font-size: 1.28rem;
}

.hero-proof span {
  margin-top: 4px;
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.hero-panel {
  align-self: end;
  padding: 24px;
  border: 1px solid rgba(119, 228, 255, .25);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(15, 29, 40, .86), rgba(8, 13, 18, .62));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  clip-path: none;
  transform: translateY(-8px);
}

.hero-panel span {
  display: block;
  margin-bottom: 14px;
  color: var(--cyan);
  font-size: .76rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.hero-panel strong {
  color: #f6fbfc;
  font-size: 1.1rem;
  line-height: 1.45;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 24px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 34px;
  height: 54px;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 999px;
  transform: translateX(-50%);
}

.scroll-cue span {
  width: 5px;
  height: 10px;
  border-radius: 999px;
  background: var(--cyan);
  animation: cueDrop 1.8s var(--ease) infinite;
}

.marquee {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(13, 21, 29, .82);
  backdrop-filter: blur(12px);
}

.marquee div {
  display: flex;
  width: max-content;
  animation: drift 30s linear infinite;
}

.marquee span {
  padding: 18px 34px;
  color: #d7e7ec;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.section {
  position: relative;
  padding: clamp(74px, 9vw, 118px) clamp(18px, 5vw, 76px);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.products-section,
.clients-section,
.faq-section {
  background:
    radial-gradient(circle at 84% 20%, rgba(119,228,255,.1), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,.018), rgba(66,184,220,.028)),
    repeating-linear-gradient(135deg, transparent 0 24px, rgba(255,255,255,.02) 24px 25px);
}

.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.tab {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #d7e7ec;
  font-weight: 900;
  background: rgba(255,255,255,.05);
  cursor: pointer;
  transition: transform .2s var(--ease), background .2s ease, border-color .2s ease;
}

.tab:hover {
  transform: translateY(-2px);
  border-color: rgba(119,228,255,.42);
}

.tab.active {
  color: #061016;
  border-color: var(--cyan);
  background: var(--cyan);
}

.products-grid,
.blog-grid,
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.blog-card,
.testimonial-card,
.seal-card,
.contact-form,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-card);
  box-shadow: var(--shadow);
}

.product-card {
  position: relative;
  display: grid;
  align-content: start;
  min-height: 430px;
  padding: 16px;
  overflow: hidden;
  transition: transform .28s var(--ease), opacity .2s ease, border-color .25s ease, background .25s ease;
}

.product-card::after,
.blog-card::after,
.testimonial-card::after {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0;
  background: linear-gradient(135deg, rgba(119,228,255,.18), transparent 36%);
  transition: opacity .25s ease;
  pointer-events: none;
}

.product-card:hover {
  border-color: rgba(119,228,255,.38);
  background: rgba(19, 36, 48, .92);
  transform: translateY(-8px);
}

.product-card:hover::after,
.blog-card:hover::after,
.testimonial-card:hover::after {
  opacity: 1;
}

.product-card.is-hidden {
  display: none;
}

.product-figure {
  position: relative;
  min-height: 205px;
  margin-bottom: 22px;
  overflow: hidden;
  border-radius: calc(var(--radius) - 8px);
  background:
    linear-gradient(140deg, rgba(119,228,255,.28), rgba(255,255,255,.06)),
    linear-gradient(90deg, transparent 0 48%, rgba(119,228,255,.22) 48% 52%, transparent 52%);
}

.product-figure::before {
  transition: transform .35s var(--ease);
}

.product-card:hover .product-figure::before {
  transform: skewX(-6deg) translateY(-7px) scale(1.03);
}

.product-figure::before,
.product-figure::after {
  position: absolute;
  content: "";
}

.product-figure::before {
  left: 30%;
  right: 22%;
  top: 16%;
  bottom: 10%;
  background: linear-gradient(135deg, #e9f5f8, #647986);
  box-shadow: 0 28px 60px rgba(0,0,0,.28);
  transform: skewX(-6deg);
}

.product-figure::after {
  left: 39%;
  top: 29%;
  width: 38%;
  height: 9px;
  background: rgba(8,13,18,.4);
  box-shadow: 0 44px 0 rgba(8,13,18,.28), 0 88px 0 var(--cyan);
}

.chamber::before {
  left: 12%;
  right: 10%;
}

.cabinet::before {
  left: 34%;
  right: 18%;
  top: 12%;
}

.module::before {
  left: 15%;
  right: 37%;
  top: 28%;
  bottom: 20%;
}

.product-card p,
.blog-card span {
  margin-bottom: 8px;
  color: var(--cyan);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.product-card span,
.blog-card p,
.testimonial-card p,
.faq-list p,
.footer-brand p,
.footer-nap span {
  color: var(--muted);
  line-height: 1.65;
}

.product-card > a {
  align-self: end;
  margin-top: 22px;
  color: var(--cyan);
  font-size: .86rem;
  font-weight: 900;
}

.about-inner,
.quality-inner,
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .82fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  min-height: 420px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.about-image::after {
  position: absolute;
  inset: 18px -18px -18px 18px;
  z-index: -1;
  content: "";
  border: 1px solid rgba(119,228,255,.2);
  border-radius: var(--radius);
}

.about-copy {
  max-width: 590px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 28px;
}

.metric-grid div {
  min-height: 112px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.045);
}

.metric-grid strong,
.metric-grid span {
  display: block;
}

.metric-grid strong {
  margin-bottom: 8px;
  color: #fff;
  font-size: 1.05rem;
}

.metric-grid span {
  color: var(--muted);
}

.process-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.process-strip span {
  padding: 9px 12px;
  border: 1px solid rgba(119,228,255,.22);
  border-radius: 999px;
  color: #dcebef;
  font-size: .78rem;
  font-weight: 900;
  background: rgba(119,228,255,.06);
}

.quality-section {
  background: #0b1219;
}

.seal-card {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 28px;
}

.seal-card img {
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.24));
}

.seal-card img {
  max-height: 190px;
  object-fit: contain;
}

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

.logos-grid span {
  display: grid;
  place-items: center;
  min-height: 92px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: #dcebef;
  font-weight: 900;
  text-align: center;
  background: rgba(255,255,255,.045);
  transition: transform .25s var(--ease), border-color .25s ease, background .25s ease;
}

.logos-grid span:hover {
  border-color: rgba(119,228,255,.34);
  background: rgba(255,255,255,.07);
  transform: translateY(-4px);
}

.testimonials-inner .section-heading {
  margin-bottom: 24px;
}

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

.testimonial-card,
.blog-card {
  position: relative;
  min-height: 245px;
  padding: 24px;
  overflow: hidden;
  transition: transform .25s var(--ease), border-color .25s ease;
}

.testimonial-card:hover,
.blog-card:hover {
  border-color: rgba(119,228,255,.32);
  transform: translateY(-6px);
}

.testimonial-card p {
  font-size: 1.03rem;
}

.testimonial-card strong {
  color: #fff;
}

.blog-card {
  display: grid;
  align-content: start;
}

.blog-card a {
  align-self: end;
  margin-top: 22px;
  color: var(--cyan);
  font-weight: 900;
}

.faq-inner {
  display: grid;
  grid-template-columns: minmax(280px, .72fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 78px);
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 0;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 22px;
  color: #fff;
  font-weight: 900;
  list-style: none;
}

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

.faq-list summary::after {
  float: right;
  color: var(--cyan);
  content: "+";
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 22px 22px;
}

.contact-section {
  background:
    linear-gradient(135deg, rgba(119,228,255,.1), transparent 42%),
    #0b1219;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 4vw, 34px);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #e9f5f8;
  font-size: .86rem;
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  color: var(--ink);
  background: rgba(255,255,255,.07);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(119,228,255,.64);
  background: rgba(255,255,255,.095);
  box-shadow: 0 0 0 4px rgba(119,228,255,.08);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--green);
  font-weight: 900;
}

.site-footer {
  padding: 62px clamp(18px, 5vw, 76px) 24px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 12% 0, rgba(66,184,220,.1), transparent 26%),
    #060a0e;
}

.site-footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr .75fr .75fr;
  gap: 28px;
  align-items: start;
}

.footer-brand img {
  width: min(240px, 70vw);
  margin-bottom: 18px;
}

.footer-nap,
.footer-links,
.footer-social {
  display: grid;
  gap: 10px;
  font-style: normal;
}

.footer-nap strong,
.footer-links strong,
.footer-social strong {
  color: #fff;
}

.footer-links a,
.footer-social a {
  color: var(--muted);
  transition: color .2s ease;
}

.footer-links a:hover,
.footer-social a:hover {
  color: var(--cyan);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 42px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #748791;
  font-size: .88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.floating-cta {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 18;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid rgba(119,228,255,.34);
  border-radius: 999px;
  color: #061016;
  font-size: .88rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 18px 42px rgba(66,184,220,.26);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.floating-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 52px rgba(66,184,220,.34);
}

@keyframes drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes ambientFloat {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(8vw, -6vh, 0) scale(1.12);
  }
}

@keyframes heroZoom {
  from {
    transform: scale(1.03);
  }
  to {
    transform: scale(1.075);
  }
}

@keyframes cueDrop {
  0% {
    opacity: 0;
    transform: translateY(-10px);
  }
  35% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 1080px) {
  .hero-inner,
  .about-inner,
  .quality-inner,
  .contact-inner,
  .faq-inner {
    grid-template-columns: 1fr;
  }

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

  .site-footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .site-header {
    padding-block: 12px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    left: 14px;
    right: 14px;
    top: calc(100% + 10px);
    display: none;
    padding: 18px;
    border: 1px solid var(--line);
    background: rgba(8, 13, 18, .98);
    box-shadow: var(--shadow);
  }

  .main-nav.is-open {
    display: grid;
  }

  .hero {
    min-height: auto;
    padding-top: 118px;
  }

  .hero-inner {
    min-height: 620px;
  }

  h1 {
    font-size: clamp(2.2rem, 10vw, 3.35rem);
  }

  .hero-proof {
    grid-template-columns: 1fr;
    max-width: 340px;
  }

  .scroll-cue {
    display: none;
  }

  .products-grid,
  .testimonial-grid,
  .blog-grid,
  .logos-grid,
  .metric-grid,
  .site-footer-inner {
    grid-template-columns: 1fr;
  }

  .about-image img {
    min-height: 310px;
  }

  .floating-cta {
    right: 14px;
    bottom: 14px;
  }
}
