:root {
  --ink: #071d2f;
  --ink-2: #14324a;
  --muted: #526579;
  --soft: #f3f5f8;
  --soft-2: #e8edf3;
  --line: #d8e0ea;
  --navy: #0b3348;
  --navy-2: #082638;
  --teal: #079b91;
  --teal-dark: #02736d;
  --orange: #ff431f;
  --orange-dark: #d92c12;
  --white: #ffffff;
  --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Consolas", monospace;
  --maxw: 1160px;
  --shadow: 0 22px 60px rgba(7, 29, 47, 0.14);
  --shadow-strong: 0 32px 80px rgba(7, 29, 47, 0.22);
}

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

html {
  scroll-behavior: smooth;
}

section[id],
main[id] {
  scroll-margin-top: 86px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(7, 29, 47, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 29, 47, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.7;
}

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

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

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font: 700 13px/1 var(--font-ui);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 16px 34px rgba(7, 155, 145, 0.22);
}

.btn-primary:hover {
  background: var(--teal-dark);
}

.btn-secondary {
  background: var(--orange);
  color: var(--white);
}

.btn-secondary:hover {
  background: var(--orange-dark);
}

.btn-outline {
  border-color: var(--line);
  background: var(--white);
  color: var(--ink);
}

.btn.full {
  width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  height: 66px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 150px;
}

.brand img {
  width: 104px;
  height: auto;
}

.brand span {
  padding: 3px 7px;
  border: 1px solid #bec9d6;
  border-radius: 2px;
  color: var(--muted);
  font: 600 10px/1 var(--font-mono);
  letter-spacing: 0.14em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.main-nav a,
.login-link {
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
}

.main-nav a:hover,
.login-link:hover {
  color: var(--teal);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.product-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(11, 51, 72, 0.95), rgba(8, 38, 56, 0.96)),
    url("../img/refinery-aerial.jpg") center/cover no-repeat;
}

.product-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 70px;
  background: linear-gradient(180deg, transparent, rgba(5, 22, 34, 0.32));
}

.product-hero-inner {
  min-height: 192px;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
  padding-top: 30px;
  padding-bottom: 30px;
}

.product-id {
  display: flex;
  align-items: center;
  gap: 28px;
}

.product-mark {
  position: relative;
  width: 96px;
  height: 96px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.08);
}

.product-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 12px 12px;
}

.product-mark img {
  position: relative;
  width: 58px;
  height: 58px;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.94;
}

.product-mark span {
  position: absolute;
  left: 10px;
  bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.16em;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--orange);
  font: 700 11px/1.2 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before {
  content: "";
  width: 7px;
  height: 7px;
  background: currentColor;
  transform: rotate(45deg);
}

.eyebrow.dark {
  color: var(--teal);
}

.product-id h1 {
  margin: 12px 0 8px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  font-weight: 800;
}

.product-id p:last-child {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.87);
  font-size: 15px;
}

.hero-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 10px;
  min-width: 430px;
}

.summary-card {
  min-height: 86px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.summary-card span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font: 600 10px/1.2 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.summary-card strong {
  display: block;
  margin-top: 10px;
  color: var(--white);
  font-size: 15px;
  line-height: 1.25;
}

.pixel-slab {
  position: absolute;
  width: 180px;
  height: 140px;
  opacity: 0.28;
  background:
    linear-gradient(90deg, transparent 0 18px, rgba(255, 255, 255, 0.82) 18px 28px, transparent 28px 46px),
    linear-gradient(transparent 0 18px, rgba(255, 255, 255, 0.6) 18px 28px, transparent 28px 46px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, transparent, #000 30%, #000 70%, transparent);
}

.pixel-slab-left {
  left: 0;
  bottom: 18px;
}

.pixel-slab-right {
  top: 18px;
  right: -20px;
}

.section {
  padding: 76px 0;
}

.overview {
  background: var(--white);
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 78px;
  align-items: center;
}

.overview-copy h2,
.benefit-copy h2,
.section-head h2,
.deliver-grid h2,
.contact-copy h2 {
  margin: 16px 0;
  color: var(--ink);
  font-size: clamp(27px, 3vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.overview-copy p,
.benefit-copy p,
.section-head p,
.feature-copy p,
.contact-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.product-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid #c5d2df;
  border-radius: 5px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.frame-top {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 38px;
  padding: 8px 12px;
  border-bottom: 1px solid #d5dee8;
  background: #f4f7fb;
}

.frame-dots {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.frame-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dbe4ee;
}

.frame-url {
  flex: 1;
  min-width: 0;
  padding: 4px 10px;
  overflow: hidden;
  border: 1px solid #cbd7e4;
  border-radius: 3px;
  color: var(--muted);
  background: #edf2f7;
  font: 600 10px/1.2 var(--font-mono);
  letter-spacing: 0.05em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.frame-screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(rgba(7, 29, 47, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 29, 47, 0.06) 1px, transparent 1px),
    #f6f9fc;
  background-size: 22px 22px;
}

.frame-screen img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
}

.frame-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  color: var(--muted);
  font: 700 12px/1.4 var(--font-mono);
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.frame-placeholder small {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: none;
}

.product-frame figcaption {
  padding: 13px 16px;
  border-top: 1px solid #d5dee8;
  color: var(--muted);
  font-size: 12px;
}

.hero-frame {
  transform: translateY(6px);
}

.video-overview {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(135deg, var(--navy), #061b2a);
  background-size: 30px 30px, 30px 30px, auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.video-overview::before {
  content: "";
  position: absolute;
  right: -36px;
  top: 38px;
  width: 210px;
  height: 160px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 14px, transparent 14px),
    linear-gradient(rgba(255, 255, 255, 0.16) 14px, transparent 14px);
  background-size: 32px 32px;
  opacity: 0.5;
}

.video-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  gap: 58px;
  align-items: center;
}

.video-copy h2 {
  margin: 16px 0;
  color: var(--white);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.video-copy p {
  max-width: 500px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.76);
}

.video-chapters {
  display: grid;
  gap: 10px;
}

.video-chapters span {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.86);
  font-weight: 650;
}

.video-chapters b {
  color: var(--orange);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.14em;
}

.overview-reel {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: #071d2f;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.34);
}

.reel-top,
.reel-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.reel-controls {
  min-height: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 0;
}

.reel-dots {
  display: flex;
  gap: 6px;
  flex: 0 0 auto;
}

.reel-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}

.reel-title,
.reel-time {
  color: rgba(255, 255, 255, 0.68);
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reel-time {
  margin-left: auto;
  color: var(--orange);
}

.reel-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0a2435;
}

.reel-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.12), transparent 22%, transparent 70%, rgba(255, 255, 255, 0.08)),
    linear-gradient(180deg, transparent 65%, rgba(6, 27, 42, 0.72));
}

.reel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.03);
  animation: reel-slide 24s infinite;
}

.reel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left top;
  filter: saturate(1.03) contrast(1.02);
}

.slide-1 { animation-delay: 0s; }
.slide-2 { animation-delay: 6s; }
.slide-3 { animation-delay: 12s; }
.slide-4 { animation-delay: 18s; }

@keyframes reel-slide {
  0% { opacity: 0; transform: scale(1.035) translateX(14px); }
  5% { opacity: 1; transform: scale(1.015) translateX(0); }
  23% { opacity: 1; transform: scale(1.01) translateX(-8px); }
  28% { opacity: 0; transform: scale(1.02) translateX(-18px); }
  100% { opacity: 0; transform: scale(1.035) translateX(14px); }
}

.reel-caption {
  position: absolute;
  z-index: 6;
  left: 20px;
  right: 20px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 620px;
  padding: 14px 16px;
  color: var(--white);
  background: rgba(6, 27, 42, 0.84);
  border-left: 4px solid var(--orange);
  backdrop-filter: blur(8px);
}

.reel-caption span {
  color: var(--orange);
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 0.14em;
}

.reel-caption strong {
  font-size: 15px;
  line-height: 1.35;
}

.reel-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
  font: 700 12px/1 var(--font-ui);
}

.reel-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
}

.pause-icon {
  width: 10px;
  height: 13px;
  border-left: 3px solid currentColor;
  border-right: 3px solid currentColor;
}

.pause-icon.is-play {
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid currentColor;
  border-right: 0;
}

.reel-progress {
  position: relative;
  flex: 1;
  height: 5px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.16);
}

.reel-progress span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: linear-gradient(90deg, var(--orange), var(--teal));
  transform-origin: left center;
  animation: reel-progress 24s linear infinite;
}

@keyframes reel-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.overview-reel.is-paused .reel-slide,
.overview-reel.is-paused .reel-progress span {
  animation-play-state: paused;
}

.support-band {
  background: var(--soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 84px;
  align-items: center;
}

.dash-list,
.diamond-list {
  list-style: none;
  margin: 26px 0 28px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.dash-list li {
  position: relative;
  padding-left: 24px;
  color: var(--ink);
  font-weight: 650;
}

.dash-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

.industrial-photo {
  position: relative;
  min-height: 366px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(7, 29, 47, 0.15), rgba(7, 29, 47, 0)),
    url("../img/hero-plant.jpg") center/cover no-repeat;
  box-shadow: var(--shadow);
}

.industrial-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.34);
}

.pixel-panel {
  position: absolute;
  right: 26px;
  bottom: 24px;
  width: 148px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.pixel-panel span {
  aspect-ratio: 1;
  background: rgba(255, 67, 31, 0.86);
}

.pixel-panel span:nth-child(3n) {
  background: rgba(7, 155, 145, 0.88);
}

.pixel-panel span:nth-child(4n) {
  opacity: 0.35;
}

.section-head {
  max-width: 720px;
  margin-bottom: 54px;
}

.section-head.narrow {
  max-width: 560px;
}

.in-action {
  background: var(--white);
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(0, 1.12fr);
  gap: 64px;
  align-items: center;
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.feature-grid:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.feature-grid.reverse {
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
}

.feature-grid.reverse .feature-copy {
  order: 2;
}

.feature-copy h3 {
  margin: 13px 0 14px;
  color: var(--ink);
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.02em;
}

.diamond-list li {
  position: relative;
  padding-left: 26px;
  color: var(--ink);
  font-weight: 550;
  font-size: 14px;
}

.diamond-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--teal);
  transform: rotate(45deg);
}

.feature-frame {
  box-shadow: 0 18px 44px rgba(7, 29, 47, 0.12);
}

.capabilities {
  background:
    linear-gradient(rgba(7, 29, 47, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 29, 47, 0.055) 1px, transparent 1px),
    var(--soft);
  background-size: 34px 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.cap-card {
  position: relative;
  min-height: 210px;
  padding: 28px 24px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: 0 12px 32px rgba(7, 29, 47, 0.06);
}

.cap-card::after {
  content: "";
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 78px;
  height: 78px;
  background:
    linear-gradient(90deg, var(--soft-2) 8px, transparent 8px),
    linear-gradient(var(--soft-2) 8px, transparent 8px);
  background-size: 16px 16px;
}

.cap-no {
  color: var(--orange);
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 0.16em;
}

.cap-card h3 {
  margin: 18px 0 10px;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.25;
}

.cap-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.deliverables {
  background: var(--white);
}

.deliver-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: center;
}

.deliver-panel {
  padding: 12px 0;
  border-top: 3px solid var(--orange);
  background: var(--white);
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.metric-row span {
  color: var(--muted);
  font-weight: 600;
}

.metric-row strong {
  color: var(--ink);
  font: 700 13px/1.2 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
}

.faq-section {
  padding: 76px 0 82px;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    var(--navy);
  background-size: 30px 30px;
}

.faq-section h2 {
  margin: 0 0 32px;
  font-size: clamp(26px, 3vw, 36px);
}

.faq-list {
  border-top: 1px solid rgba(255, 255, 255, 0.72);
}

.faq-list details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.72);
}

.faq-list summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 40px 18px 0;
  font-weight: 700;
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 16px;
  color: var(--orange);
  font-size: 22px;
  line-height: 1;
}

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

.faq-list p {
  max-width: 760px;
  margin: -4px 0 18px;
  color: rgba(255, 255, 255, 0.78);
}

.contact-section {
  background: var(--soft);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(340px, 0.78fr);
  gap: 72px;
  align-items: start;
}

.contact-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.contact-meta span {
  padding: 8px 11px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-2);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-card {
  position: relative;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.contact-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 72px;
  height: 72px;
  background:
    linear-gradient(90deg, var(--teal) 12px, transparent 12px),
    linear-gradient(var(--teal) 12px, transparent 12px);
  background-size: 24px 24px;
  opacity: 0.18;
}

.contact-form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 15px;
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid #cdd8e4;
  border-radius: 0;
  background: #f8fafc;
  color: var(--ink);
  font: 500 14px/1.4 var(--font-ui);
  outline: none;
  padding: 12px 13px;
  transition: border-color 0.14s ease, box-shadow 0.14s ease, background 0.14s ease;
}

.contact-form textarea {
  min-height: 110px;
  resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(7, 155, 145, 0.13);
}

.form-error {
  margin: 0;
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 700;
}

.contact-alt {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.contact-alt a {
  color: var(--teal-dark);
  font-weight: 700;
}

.contact-done {
  position: relative;
  z-index: 1;
  text-align: center;
}

.checkmark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  background: var(--teal);
  color: var(--white);
  border-radius: 50%;
  font-size: 24px;
  font-weight: 800;
}

.contact-done h3 {
  margin: 0 0 8px;
  font-size: 21px;
}

.contact-done p {
  margin: 0 0 20px;
  color: var(--muted);
}

.site-footer {
  padding: 34px 0;
  background: #061b2a;
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-inner img {
  width: 104px;
}

.footer-inner span:last-child {
  margin-left: auto;
}

@media (max-width: 1040px) {
  .main-nav {
    gap: 16px;
  }

  .hero-summary {
    display: none;
  }

  .overview-grid,
  .split-grid,
  .deliver-grid,
  .contact-grid {
    gap: 42px;
  }

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

@media (max-width: 860px) {
  .header-inner {
    height: auto;
    min-height: 64px;
    flex-wrap: wrap;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .main-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  section[id],
  main[id] {
    scroll-margin-top: 124px;
  }

  .product-hero-inner,
  .product-id {
    align-items: flex-start;
  }

  .product-id {
    flex-direction: column;
    gap: 20px;
  }

  .overview-grid,
  .split-grid,
  .feature-grid,
  .feature-grid.reverse,
  .deliver-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid.reverse .feature-copy {
    order: 0;
  }

  .industrial-photo {
    min-height: 300px;
  }
}

@media (max-width: 600px) {
  .wrap {
    padding: 0 16px;
  }

  .section,
  .faq-section {
    padding: 56px 0;
  }

  .header-actions {
    width: auto;
    margin-left: auto;
    justify-content: flex-end;
  }

  .login-link {
    display: none;
  }

  .brand {
    min-width: 0;
  }

  .product-mark {
    width: 78px;
    height: 78px;
  }

  .product-id h1 {
    font-size: 36px;
  }

  .overview-copy h2,
  .benefit-copy h2,
  .section-head h2,
  .deliver-grid h2,
  .contact-copy h2 {
    font-size: 28px;
  }

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

  .contact-card {
    padding: 24px 20px;
  }

  .metric-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .footer-inner span:last-child {
    margin-left: 0;
  }
}