:root {
  --bg: #050a0c;
  --bg-soft: #081115;
  --panel: rgba(11, 24, 29, 0.82);
  --panel-strong: #0b171b;
  --line: rgba(126, 188, 193, 0.18);
  --line-bright: rgba(75, 231, 218, 0.48);
  --text: #e9f4f2;
  --muted: #8ea5a5;
  --cyan: #42ead5;
  --cyan-bright: #7ffdeb;
  --orange: #ff9e62;
  --max: 1440px;
  --pad: clamp(1.25rem, 3.5vw, 4rem);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 9%, rgba(22, 130, 121, 0.16), transparent 28rem),
    radial-gradient(circle at 12% 38%, rgba(25, 82, 89, 0.12), transparent 30rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(76, 190, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 190, 184, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a {
  color: inherit;
}

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

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: #03100f;
  background: var(--cyan);
  transform: translateY(-110%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
footer,
main > section {
  width: min(100%, var(--max));
  margin-inline: auto;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 84px;
  padding-inline: var(--pad);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  width: max-content;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 7px);
  gap: 3px;
  padding: 7px;
  border: 1px solid var(--line-bright);
  transform: rotate(45deg);
}

.brand-mark span {
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.brand-mark span:nth-child(2),
.brand-mark span:nth-child(3) {
  opacity: 0.35;
}

.site-header nav {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.75rem);
  align-items: center;
}

.site-header nav a,
.header-contact,
.footer-links a {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 180ms ease;
}

.site-header nav a:hover,
.site-header nav a:focus-visible,
.header-contact:hover,
.header-contact:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--cyan-bright);
}

.header-contact {
  justify-self: end;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(520px, 1.36fr);
  gap: clamp(3rem, 6vw, 7rem);
  align-items: center;
  min-height: 720px;
  padding: clamp(5rem, 10vw, 9.5rem) var(--pad);
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0 0 1.5rem;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 1.9rem;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(66, 234, 213, 0.6);
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.04;
}

h1 {
  max-width: 720px;
  margin-bottom: 1.75rem;
  font-size: clamp(3.35rem, 6.6vw, 7rem);
  font-weight: 720;
  letter-spacing: -0.055em;
}

h1 em {
  color: var(--cyan-bright);
  font-style: normal;
  text-shadow: 0 0 26px rgba(66, 234, 213, 0.16);
}

.hero-intro {
  max-width: 640px;
  margin: 0 0 2.2rem;
  color: #a8bdbc;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0.75rem 1.3rem;
  border: 1px solid var(--line-bright);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

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

.button-primary {
  color: #03110f;
  background: var(--cyan);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--cyan-bright);
}

.button-secondary {
  color: var(--text);
  background: rgba(10, 27, 31, 0.54);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.45rem;
  margin: 2.25rem 0 0;
  padding: 0;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  list-style: none;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.hero-visual {
  position: relative;
  min-width: 0;
  margin-right: 0;
  perspective: 1200px;
}

.hero-visual::before {
  position: absolute;
  inset: 13% -3% -7% 7%;
  z-index: -1;
  content: "";
  background: rgba(21, 224, 202, 0.15);
  filter: blur(70px);
}

.screen-frame {
  padding: 0.65rem;
  border: 1px solid var(--line-bright);
  background: #071114;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.48), 0 0 0 1px rgba(66, 234, 213, 0.06);
  transform: rotateY(-7deg) rotateX(2deg);
  transform-origin: center left;
}

.screen-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 34px;
  padding-inline: 0.6rem;
  color: #6f9897;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.09em;
}

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

.screen-status i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--cyan);
}

.screen-frame img {
  width: 100%;
  border: 1px solid rgba(141, 225, 219, 0.15);
}

.floating-stat {
  position: absolute;
  display: flex;
  flex-direction: column;
  min-width: 128px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line-bright);
  background: rgba(6, 17, 20, 0.93);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.35);
}

.floating-stat span {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.13em;
}

.floating-stat strong {
  color: var(--cyan-bright);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.55rem;
}

.floating-stat-a {
  top: -1.5rem;
  right: 12%;
}

.floating-stat-b {
  right: 8%;
  bottom: -1.7rem;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-inline: var(--pad);
  border-block: 1px solid var(--line);
}

.signal-strip div {
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  min-height: 110px;
  padding: 1.7rem clamp(1rem, 2vw, 2rem);
  border-right: 1px solid var(--line);
}

.signal-strip div:first-child {
  padding-left: 0;
}

.signal-strip div:last-child {
  border-right: 0;
}

.signal-strip strong {
  color: var(--cyan-bright);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
}

.signal-strip span {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

.product-section {
  padding: clamp(6rem, 11vw, 10rem) var(--pad);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 0.78fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 4rem;
}

.section-heading h2,
.icon-band h2,
.about-card h2,
.support-card h2,
.privacy h2 {
  margin-bottom: 0;
  font-size: clamp(2.3rem, 5vw, 5rem);
  letter-spacing: -0.045em;
}

.section-heading > p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.showcase {
  position: relative;
  margin: 0;
  padding: 0.55rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.showcase-wide {
  grid-column: 1 / -1;
}

.showcase img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: saturate(0.92) contrast(1.03);
  transition: filter 350ms ease, transform 500ms ease;
}

.showcase:hover img {
  filter: saturate(1.08) contrast(1.04);
  transform: scale(1.012);
}

.showcase figcaption {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 0.35rem 0.4rem;
  color: #b8c7c6;
  font-size: 0.75rem;
  font-weight: 680;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.showcase figcaption span {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 4rem;
  border-block: 1px solid var(--line);
}

.capability-grid article {
  min-height: 300px;
  padding: 2rem clamp(1.3rem, 2.6vw, 2.7rem);
  border-right: 1px solid var(--line);
}

.capability-grid article:first-child {
  padding-left: 0;
}

.capability-grid article:last-child {
  border-right: 0;
}

.capability-index {
  display: block;
  margin-bottom: 4rem;
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.capability-grid h3 {
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.capability-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.icon-band {
  display: grid;
  grid-template-columns: 0.58fr 1.42fr;
  gap: clamp(3rem, 7vw, 8rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 9rem) var(--pad);
  border-block: 1px solid var(--line);
  background: linear-gradient(105deg, rgba(8, 26, 30, 0.72), rgba(4, 10, 12, 0.25));
}

.icon-band-copy > p:last-child {
  max-width: 460px;
  color: var(--muted);
}

.icon-band img {
  width: 100%;
  border: 1px solid var(--line);
  opacity: 0.93;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
}

.about-support {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.about-support article {
  padding: clamp(5rem, 9vw, 8rem) var(--pad);
}

.about-card {
  border-right: 1px solid var(--line);
}

.about-card > p:not(.eyebrow),
.support-card > p:not(.eyebrow) {
  max-width: 620px;
  color: var(--muted);
}

.about-card h2,
.support-card h2 {
  margin-bottom: 2rem;
}

.support-card {
  background: linear-gradient(145deg, rgba(12, 30, 34, 0.82), rgba(6, 16, 19, 0.5));
}

.support-email {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.15rem 1.25rem;
  align-items: center;
  margin: 2.25rem 0;
  padding: 1.15rem 0;
  border-block: 1px solid var(--line-bright);
  text-decoration: none;
}

.support-email span {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.support-email strong {
  overflow-wrap: anywhere;
  color: var(--cyan-bright);
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
}

.support-email i {
  grid-column: 2;
  grid-row: 1 / 3;
  color: var(--cyan);
  font-size: 1.6rem;
  font-style: normal;
  transition: transform 180ms ease;
}

.support-email:hover i,
.support-email:focus-visible i {
  transform: translate(3px, -3px);
}

.support-details {
  margin: 0;
}

.support-details div {
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.78rem;
}

.support-details dt {
  color: var(--muted);
}

.support-details dd {
  margin: 0;
  color: #c7d7d5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.privacy {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  padding: clamp(5rem, 9vw, 8rem) var(--pad);
}

.privacy-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 1rem;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  min-height: 160px;
  padding: 2rem var(--pad);
  border-top: 1px solid var(--line);
}

footer > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  gap: 1.3rem;
  align-items: center;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.72rem;
}

@media (max-width: 1050px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header { row-gap: .8rem; padding-block: 1rem; }

  .site-header nav {
    display: flex;
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
  }

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

  .hero-visual {
    width: min(100%, 980px);
    margin-right: 0;
  }

  .screen-frame {
    transform: rotateY(-3deg) rotateX(1deg);
  }

  .signal-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .signal-strip div:nth-child(2) {
    border-right: 0;
  }

  .signal-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .section-heading,
  .icon-band,
  .privacy {
    grid-template-columns: 1fr;
  }

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

  .about-card {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .site-header {
    min-height: 72px;
  }

  .header-contact {
    padding: 0.45rem 0.7rem;
  }

  .hero {
    gap: 3rem;
    padding-top: 5.5rem;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.4rem);
  }

  .hero-meta {
    flex-direction: column;
  }

  .hero-visual {
    width: 100%;
    margin-left: 0;
  }

  .screen-frame {
    transform: none;
  }

  .screen-bar,
  .floating-stat {
    display: none;
  }

  .signal-strip {
    grid-template-columns: 1fr;
  }

  .signal-strip div {
    min-height: 78px;
    padding-left: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .signal-strip div:last-child {
    border-bottom: 0;
  }

  .section-heading {
    gap: 1.5rem;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .showcase-wide {
    grid-column: auto;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-grid article,
  .capability-grid article:first-child {
    min-height: 0;
    padding: 2rem 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .capability-grid article:last-child {
    border-bottom: 0;
  }

  .capability-index {
    margin-bottom: 1.5rem;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Catalog and product pages. The original palette and visual identity remain. */
:focus-visible { outline: 2px solid var(--cyan-bright); outline-offset: 5px; }
.catalog-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 3.5rem; padding-block: 5.5rem; min-height: 740px; }
.catalog-hero h1 { font-size: clamp(3.1rem, 5.4vw, 5.5rem); }
.hero-note { color: var(--muted); font-size: .83rem; margin-top: 1.25rem; max-width: 36rem; }
.hero-demo { margin: 0; min-width: 0; }
.hero-demo .screen-frame { transform: none; }
figcaption { color: #a4b9b9; font-size: .82rem; line-height: 1.5; padding-top: .9rem; }
.catalog-intro { padding: 2rem var(--pad) 2.5rem; }
.catalog-intro h2, .workflow-section h2, .requirements-section h2, .setup-section h2,
.faq-section h2, .purchase-panel h2, .product-overview h2 { font-size: clamp(2rem, 3.6vw, 3.6rem); letter-spacing: -.035em; }
.catalog-intro > p:last-child { color: #a8bdbc; max-width: 42rem; }
.catalog-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.75rem; padding: 0 var(--pad) 6rem; }
.product-card { min-width: 0; border: 1px solid var(--line); background: rgba(9, 22, 27, .78); overflow: hidden; }
.card-image { display: block; aspect-ratio: 16/9; background: #060f14; border-bottom: 1px solid var(--line); overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .25s ease; }
.card-image:hover img { transform: scale(1.015); }
.card-content { padding: clamp(1.2rem, 2.5vw, 2.25rem); }
.card-content .eyebrow { margin-bottom: .9rem; font-size: .67rem; }
.card-content h3 { font-size: clamp(1.4rem, 2vw, 2rem); line-height: 1.15; letter-spacing: -.02em; margin-bottom: 1rem; }
.card-content h3 a { text-decoration: none; }
.card-content > p:not(.eyebrow) { color: #abc1c0; max-width: 40rem; min-height: 3.2em; }
.card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem; margin-top: 1.5rem; }
.card-actions .button { font-size: .67rem; padding-inline: 1rem; }
.text-link { color: var(--cyan-bright); text-decoration-thickness: 1px; text-underline-offset: .3em; font-size: .9rem; }
.workflow-section { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: 4rem var(--pad) 6rem; border-top: 1px solid var(--line); }
.workflow-list { padding: 0; margin: 0; list-style: none; counter-reset: workflow; }
.workflow-list li { counter-increment: workflow; position: relative; padding: 0 0 1.8rem 3.5rem; }
.workflow-list li::before { content: '0' counter(workflow); position: absolute; left: 0; color: var(--cyan); font-size: .9rem; }
.workflow-list strong { display: block; font-size: 1.13rem; margin-bottom: .4rem; }
.workflow-list span { color: #a8bdbc; }
.product-hero { display: grid; grid-template-columns: minmax(0,.94fr) minmax(0,1.06fr); gap: 3.5rem; align-items: center; padding: 4rem var(--pad) 5rem; }
.back-link { display: inline-block; color: var(--muted); text-decoration: none; font-size: .82rem; margin-bottom: 2.5rem; }
.product-name { color: #b2d4d1; font-size: .94rem; margin: -.4rem 0 1.4rem; }
.product-hero h1 { font-size: clamp(2.8rem, 4.5vw, 4.7rem); }
.product-demo { margin: 0; min-width: 0; }
.product-demo > a { display: flex; align-items: center; justify-content: center; padding: .65rem; border: 1px solid var(--line-bright); background: #071116; }
.product-demo img { width: 100%; object-fit: contain; }
.product-demo.portrait > a { background: radial-gradient(ellipse at center, #123037, #071116 75%); }
.product-demo.portrait img { width: auto; max-height: 530px; }
.product-overview { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; padding: 3.8rem var(--pad); border-top: 1px solid var(--line); }
.product-overview p { color: #b1c4c3; margin-top: 0; }
.product-capabilities { padding-inline: var(--pad); }
.product-capabilities h3 { line-height: 1.2; font-size: 1.5rem; }
.requirements-section, .setup-section, .code-section, .faq-section { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: 4.5rem var(--pad); border-top: 1px solid var(--line); }
.scope-note { color: #c4d6d4; padding: 1.1rem 1.25rem; border-left: 2px solid var(--cyan); background: rgba(66,234,213,.045); font-size: .94rem; }
.fact-list { margin: 0; }
.fact-list > div { display: grid; grid-template-columns: 8rem 1fr; gap: 1.5rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.fact-list dt { color: #8ca8a9; font-size: .82rem; }
.fact-list dd { margin: 0; color: #deece9; font-size: .95rem; }
.setup-section > div > p:not(.eyebrow), .code-section p { color: #a8bdbc; }
.setup-steps { padding-left: 1.45rem; margin: 0; overflow-wrap: anywhere; }
.setup-steps li { color: #c7d8d5; padding: 0 0 1.5rem .8rem; }
.setup-steps li::marker { color: var(--cyan); font-weight: 700; }
.code-section h2 { font-size: 2rem; line-height: 1.15; }
pre { background: #071116; color: #c0efdf; border: 1px solid var(--line); padding: 1.5rem; margin: 0; overflow: auto; font-size: .83rem; line-height: 1.85; tab-size: 2; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 1.2rem 0; cursor: pointer; font-weight: 650; }
.faq-list details p { color: #b1c4c3; margin-top: 0; }
.purchase-panel { display: flex; align-items: center; justify-content: space-between; gap: 3rem; padding: 3rem var(--pad); background: linear-gradient(105deg, rgba(25,93,88,.28), rgba(8,20,25,.8)); border-block: 1px solid var(--line-bright); }
.purchase-panel h2 { margin-bottom: 1rem; }
.purchase-panel p:not(.eyebrow) { color: #abc1c0; max-width: 38rem; }
.purchase-panel .hero-actions { flex-shrink: 0; flex-direction: column; }
.related-products { padding: 4rem var(--pad); }
.related-products h2 { font-size: 1.7rem; letter-spacing: -.02em; }
.related-products > div { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.related-products a { display: block; padding: 1rem; text-decoration: none; border: 1px solid var(--line); background: rgba(9,22,27,.6); }
.related-products a:hover { border-color: var(--cyan); }
.related-products span { display: block; color: #92adad; font-size: .7rem; margin-bottom: .7rem; }
.related-products b { color: var(--cyan); float: right; }
.document-hero { padding: 5rem var(--pad) 3rem; }
.document-hero h1 { max-width: 52rem; font-size: clamp(3rem,5.5vw,5.5rem); }
.guide-list { padding: 0 var(--pad) 3rem; }
.guide-list article { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.guide-list h2 { font-size: 1.6rem; }
.guide-list p:not(.eyebrow), .document-note p, .document-copy p { color: #b1c4c3; }
.document-note { padding: 3rem var(--pad) 5rem; }
.document-note h2 { font-size: 2rem; }
.document-copy { padding: 0 var(--pad) 5rem; max-width: 56rem; }
.document-copy h2 { font-size: 1.5rem; margin-top: 2.5rem; }
main { min-height: 70vh; }
@media (max-width: 1100px) {
  .catalog-hero, .product-hero { gap: 2rem; }
  .catalog-hero h1 { font-size: 4rem; }
  .product-hero h1 { font-size: 3.4rem; }
  .product-overview, .workflow-section, .requirements-section, .setup-section, .code-section, .faq-section { gap: 2rem; }
  .related-products > div { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .purchase-panel { flex-direction: column; align-items: flex-start; }
  .purchase-panel .hero-actions { flex-direction: row; }
  .guide-list article { grid-template-columns: 1fr; gap: .5rem; }
}
@media (max-width: 800px) {
  .site-header { grid-template-columns: 1fr auto; row-gap: .8rem; padding-block: 1rem; }
  .site-header nav { display: flex; grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; flex-wrap: wrap; gap: 1.5rem; }
  .site-header nav a { font-size: .72rem; }
  .header-contact { font-size: .65rem; }
  .catalog-hero, .product-hero { grid-template-columns: 1fr; padding-top: 3rem; min-height: auto; }
  .catalog-hero h1 { font-size: clamp(2.8rem,9vw,4.3rem); }
  .product-hero h1 { font-size: clamp(2.7rem,9vw,4rem); }
  .catalog-grid { grid-template-columns: 1fr; padding-bottom: 3rem; }
  .card-content > p:not(.eyebrow) { min-height: 0; }
  .product-overview, .workflow-section, .requirements-section, .setup-section, .code-section, .faq-section { grid-template-columns: minmax(0,1fr); gap: 1.3rem; padding-block: 3rem; }
  .product-capabilities { padding-inline: var(--pad); }
  .product-demo.portrait img { max-height: 470px; }
  .back-link { margin-bottom: 2rem; }
  .hero-demo .screen-bar { display: flex; font-size: .6rem; }
  .fact-list > div { grid-template-columns: 6rem 1fr; gap: 1rem; }
  .document-hero { padding-top: 3rem; }
}
@media (max-width: 460px) {
  .brand { font-size: .83rem; gap: .55rem; }
  .brand-mark { padding: 5px; }
  .header-contact { max-width: 8.6rem; font-size: .61rem; text-align: center; }
  .card-actions { gap: 1rem; }
  .card-actions .button { width: 100%; }
  .related-products > div { grid-template-columns: 1fr; }
  .guide-list .hero-actions .button { width: 100%; }
  .hero-demo .screen-status { display: none; }
  .support-email strong { font-size: 1.02rem; overflow-wrap: anywhere; }
}