:root {
  --ink: #11252a;
  --ink-soft: #365158;
  --paper: #f4f7f5;
  --paper-2: #e8efec;
  --paper-soft: #eef4f1;
  --paper-soft-2: #e5eeea;
  --card: #f8fbf9;
  --card-2: #eef4f0;
  --card-3: #dde8e4;
  --white: #ffffff;
  --teal-950: #082f35;
  --teal-900: #0d3d44;
  --teal-800: #164e55;
  --teal-700: #22616a;
  --teal-500: #4f8987;
  --teal-300: #8dbeb7;
  --aqua: #9bd9d5;
  --orange: #c86d1a;
  --line: rgba(17,37,42,.13);
  --shadow: 0 24px 60px rgba(9,44,49,.14);
  --radius: 22px;
  --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--teal-950);
  border-radius: 8px;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244,247,245,.94);
  border-bottom: 1px solid rgba(17,37,42,.09);
  backdrop-filter: blur(14px);
}
.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand img { width: 188px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  text-decoration: none;
  font-size: .94rem;
  font-weight: 650;
  color: #274148;
  transition: color .2s ease;
}
.site-nav a:hover { color: var(--teal-700); }
.nav-cta {
  padding: 10px 15px;
  border: 1px solid rgba(13,61,68,.32);
  border-radius: 999px;
}
.nav-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  display: grid;
  align-items: center;
  color: var(--white);
  background:
    radial-gradient(circle at 73% 42%, rgba(155,217,213,.24), transparent 29%),
    radial-gradient(circle at 20% 0%, rgba(107,169,166,.25), transparent 35%),
    linear-gradient(127deg, #0a343b 0%, #164f57 48%, #2e6b6d 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -42% 40%;
  height: 70%;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 50%;
  transform: rotate(-10deg);
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .2;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, black, transparent 78%);
}
.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  gap: 28px;
  align-items: center;
  padding-block: 84px 96px;
}
.eyebrow {
  margin-bottom: 17px;
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--aqua);
}
.eyebrow.dark { color: var(--teal-700); }
.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(3rem, 5.1vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -.025em;
  font-weight: 760;
}
.hero h1 span { color: #b9dfda; }
.hero-lead {
  max-width: 700px;
  margin: 28px 0 0;
  color: rgba(255,255,255,.82);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 999px;
  text-decoration: none;
  font-size: .93rem;
  font-weight: 760;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--white); color: var(--teal-900); box-shadow: 0 12px 28px rgba(1,24,27,.19); }
.button.primary:hover { box-shadow: 0 16px 32px rgba(1,24,27,.26); }
.button.ghost { color: var(--white); border: 1px solid rgba(255,255,255,.36); background: rgba(255,255,255,.05); }
.button.wide { width: 100%; }
.hero-points { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 30px; }
.hero-points span {
  padding: 7px 11px;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 999px;
  color: rgba(255,255,255,.78);
  font-size: .79rem;
}
.hero-visual {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}
.hero-visual img {
  position: relative;
  z-index: 2;
  width: min(640px, 114%);
  filter: drop-shadow(0 34px 32px rgba(0,0,0,.25));
  transform: rotate(-2deg);
}
.hero-halo {
  position: absolute;
  width: 74%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(192,232,225,.26), rgba(192,232,225,.03) 62%, transparent 70%);
  filter: blur(3px);
}
.hero-caption {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 10px;
  padding: 12px 15px;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  background: rgba(7,43,48,.6);
  backdrop-filter: blur(8px);
}
.hero-caption strong, .hero-caption span { display: block; }
.hero-caption strong { font-size: .86rem; }
.hero-caption span { margin-top: 2px; color: rgba(255,255,255,.64); font-size: .72rem; }
.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 24px;
  left: 50%;
  width: 28px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 999px;
  transform: translateX(-50%);
}
.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 9px;
  width: 4px;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  transform: translateX(-50%);
  animation: scrollCue 1.7s infinite;
}
@keyframes scrollCue { 0% {opacity:0; transform:translate(-50%,0)} 35% {opacity:1} 100% {opacity:0; transform:translate(-50%,14px)} }

.signal-strip { background: #dce9e5; border-bottom: 1px solid rgba(17,37,42,.08); }
.signal-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.signal-grid > div { padding: 26px 28px; border-right: 1px solid rgba(17,37,42,.1); }
.signal-grid > div:first-child { padding-left: 0; }
.signal-grid > div:last-child { border-right: 0; }
.signal-grid strong, .signal-grid span { display: block; }
.signal-grid strong { font-size: 1rem; color: var(--teal-800); }
.signal-grid span { margin-top: 3px; color: #536c71; font-size: .82rem; }

.section { padding: 110px 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 74px; align-items: center; }
.section-copy h2, .section-heading h2, .technology-intro h2, .contact h2 {
  margin: 0;
  max-width: 900px;
  font-size: clamp(2.15rem, 3.6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -.02em;
}
.section-copy > p, .section-heading > p {
  max-width: 740px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 1.04rem;
}
.section-heading { margin-bottom: 48px; }
.section-heading.light h2, .section-heading.light p { color: var(--white); }
.section-heading.light p { color: rgba(255,255,255,.72); }

.problem { background: linear-gradient(180deg, var(--paper-soft) 0%, #f7faf8 100%); }
.problem-layout { align-items: stretch; }
.feature-list { margin-top: 34px; border-top: 1px solid var(--line); }
.feature-list > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.feature-list span { color: var(--teal-500); font-size: .75rem; font-weight: 800; }
.feature-list p { margin: 0; color: #3f585e; }
.feature-list strong { color: var(--ink); }
.media-card {
  margin: 0;
  min-height: 600px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--teal-900);
  box-shadow: var(--shadow);
}
.media-card img { width: 100%; height: 100%; min-height: 600px; object-fit: cover; }
.media-card::after { content:""; position:absolute; inset: 42% 0 0; background: linear-gradient(transparent, rgba(4,30,34,.92)); }
.media-card figcaption {
  position: absolute;
  z-index: 2;
  inset: auto 28px 28px;
  color: white;
}
.media-card figcaption strong, .media-card figcaption span { display: block; }
.media-card figcaption strong { margin-bottom: 7px; font-size: 1.12rem; }
.media-card figcaption span { color: rgba(255,255,255,.75); font-size: .9rem; }

.technology-band {
  color: white;
  background: linear-gradient(115deg, #0a363d, #1f5c62 68%, #377979);
}
.technology-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: start; }
.technology-intro { position: sticky; top: 116px; }
.principle-grid { display: grid; gap: 16px; }
.principle-card {
  position: relative;
  padding: 29px 30px 29px 82px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 18px;
  background: rgba(255,255,255,.055);
}
.principle-number {
  position: absolute;
  top: 29px;
  left: 28px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%;
  color: var(--aqua);
  font-size: .75rem;
  font-weight: 800;
}
.principle-card h3 { margin: 0; font-size: 1.24rem; }
.principle-card p { margin: 8px 0 0; color: rgba(255,255,255,.7); }

.range { background: linear-gradient(180deg, #e7efeb 0%, #f4f8f6 100%); }
.priority-product {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  align-items: center;
  min-height: 510px;
  overflow: hidden;
  color: white;
  background: linear-gradient(125deg, #0d3d44, #236169);
  border-radius: 26px;
  box-shadow: 0 22px 60px rgba(13,61,68,.15);
}
.priority-copy { padding: 52px 0 52px 54px; }
.status-pill {
  display: inline-flex;
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  color: var(--aqua);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.priority-copy h3 { margin: 16px 0 0; font-size: clamp(2.25rem,3.6vw,3.65rem); letter-spacing: -.02em; line-height: 1.05; }
.priority-copy p { max-width: 520px; margin: 20px 0 0; color: rgba(255,255,255,.74); }
.product-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.product-tags span { padding: 7px 10px; border-radius: 999px; background: rgba(255,255,255,.08); font-size: .75rem; color: rgba(255,255,255,.78); }
.priority-image { min-height: 510px; display: grid; place-items: center; position: relative; }
.priority-image::before { content:""; position:absolute; width:70%; aspect-ratio:1; border-radius:50%; background:radial-gradient(circle, rgba(169,223,216,.25), transparent 68%); }
.priority-image img { position: relative; z-index:1; width: 94%; filter: drop-shadow(0 30px 25px rgba(0,0,0,.27)); }

.tool-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 18px; }
.tool-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(17,37,42,.09);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
}
.tool-card.wide-card { grid-column: span 2; display: grid; grid-template-columns: 1fr 1.08fr; }
.tool-image { min-height: 290px; display: grid; place-items: center; padding: 22px; background: linear-gradient(145deg, #edf4f1 0%, var(--card-3) 100%); }
.tool-image img { width: 100%; max-height: 260px; object-fit: contain; filter: drop-shadow(0 16px 14px rgba(15,40,44,.12)); }
.tool-copy { padding: 24px 26px 28px; }
.tool-type { color: var(--teal-700); font-size: .68rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.tool-copy h3 { margin: 6px 0 0; font-size: 1.3rem; }
.tool-copy p { margin: 10px 0 0; color: #52686d; font-size: .91rem; }

.applications { color: white; background: #0b343a; }
.applications-grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: 18px; }
.application-card {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: 20px;
  background: #183f45;
}
.application-card.large { grid-row: span 2; min-height: 738px; }
.application-card img { width:100%; height:100%; object-fit:cover; position:absolute; inset:0; transition: transform .5s ease; }
.application-card:hover img { transform: scale(1.025); }
.application-card::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, transparent 26%, rgba(4,28,31,.92) 100%); }
.application-overlay { position:absolute; z-index:2; inset:auto 28px 28px; }
.application-overlay span { color: var(--aqua); font-size:.7rem; font-weight:850; letter-spacing:.1em; text-transform:uppercase; }
.application-overlay h3 { margin:6px 0 0; font-size:1.55rem; }
.application-overlay p { margin:8px 0 0; max-width:620px; color:rgba(255,255,255,.72); font-size:.91rem; }

.development { background: linear-gradient(180deg, var(--paper-soft) 0%, #f8fbf9 100%); }
.development-layout { align-items: center; }
.development-media {
  margin:0;
  position:relative;
  overflow:hidden;
  border-radius:22px;
  background: linear-gradient(180deg, #d8e4df 0%, #e7efeb 100%);
  box-shadow: var(--shadow);
}
.development-media img { width:100%; aspect-ratio: 4/5; object-fit:cover; }
.development-media figcaption {
  position:absolute;
  inset:auto 20px 20px;
  padding:9px 12px;
  border-radius:10px;
  background:rgba(10,45,50,.78);
  color:white;
  font-size:.78rem;
  backdrop-filter:blur(8px);
}
.proof-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:30px; }
.proof-grid div { padding:18px 16px; border:1px solid var(--line); border-radius:14px; background:white; }
.proof-grid strong, .proof-grid span { display:block; }
.proof-grid strong { color:var(--teal-800); font-size:.96rem; }
.proof-grid span { margin-top:4px; color:#687a7e; font-size:.76rem; }
.small-note { margin-top:24px !important; padding-left:15px; border-left:3px solid var(--teal-300); color:#687a7e !important; font-size:.84rem !important; }

.contact {
  position:relative;
  overflow:hidden;
  color:white;
  background:linear-gradient(120deg,#0a3238,#164f56 57%,#2d6a6b);
}
.contact-layout { position:relative; z-index:2; display:grid; grid-template-columns:1.2fr .8fr; gap:80px; align-items:center; }
.contact-copy p { max-width:700px; margin:22px 0 0; color:rgba(255,255,255,.7); font-size:1.02rem; }
.contact-panel {
  padding:28px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:20px;
  background:rgba(255,255,255,.07);
  backdrop-filter:blur(8px);
}
.contact-panel > span { display:block; color:var(--aqua); font-size:.7rem; font-weight:850; letter-spacing:.1em; text-transform:uppercase; }
.contact-email { display:block; margin:10px 0 22px; color:white; text-decoration:none; font-size:clamp(1.18rem,2.2vw,1.75rem); font-weight:720; letter-spacing:-.025em; }
.contact-orbit { position:absolute; width:700px; height:700px; right:-260px; top:-300px; border:1px solid rgba(255,255,255,.08); border-radius:50%; box-shadow:0 0 0 80px rgba(255,255,255,.025),0 0 0 160px rgba(255,255,255,.018); }

.site-footer { padding:28px 0; background:linear-gradient(180deg, #e2ebe7 0%, #edf3f0 100%); border-top:1px solid rgba(17,37,42,.08); }
.footer-layout { display:grid; grid-template-columns:1fr auto auto; gap:30px; align-items:center; }
.footer-brand img { width:150px; }
.footer-layout p { margin:0; color:#667a7e; font-size:.75rem; }

.reveal { opacity:0; transform:translateY(16px); transition:opacity .62s ease, transform .62s ease; }
.reveal.is-visible { opacity:1; transform:none; }
.delay-1 { transition-delay:.09s; }
.delay-2 { transition-delay:.17s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important; }
  .reveal { opacity:1; transform:none; }
}

@media (max-width: 980px) {
  .site-nav { gap:16px; }
  .site-nav a:not(.nav-cta) { display:none; }
  .hero { min-height:auto; }
  .hero-layout { grid-template-columns:1fr; padding-block:72px 84px; }
  .hero-copy { max-width:780px; }
  .hero-visual { min-height:430px; }
  .hero-visual img { width:min(650px,96%); }
  .signal-grid { grid-template-columns:repeat(2,1fr); }
  .signal-grid > div { border-bottom:1px solid rgba(17,37,42,.1); }
  .split, .technology-layout, .contact-layout { grid-template-columns:1fr; gap:46px; }
  .technology-intro { position:static; }
  .tool-grid { grid-template-columns:repeat(2,1fr); }
  .tool-card.wide-card { grid-column:span 2; }
  .priority-product { grid-template-columns:1fr; }
  .priority-copy { padding:42px 42px 0; }
  .priority-image { min-height:400px; }
  .applications-grid { grid-template-columns:1fr 1fr; }
  .application-card.large { grid-column:span 2; grid-row:auto; min-height:520px; }
  .proof-grid { grid-template-columns:1fr; }
  .footer-layout { grid-template-columns:1fr; gap:12px; }
}

@media (max-width: 700px) {
  .container { width:min(calc(100% - 30px), var(--max)); }
  .nav-wrap { min-height:66px; }
  .brand img { width:160px; }
  .nav-toggle {
    display:grid;
    gap:4px;
    padding:10px;
    border:0;
    background:transparent;
    cursor:pointer;
  }
  .nav-toggle span { width:24px; height:2px; background:#244249; transition:.2s ease; }
  .site-nav {
    position:absolute;
    top:66px;
    left:0;
    right:0;
    display:none;
    padding:16px 15px 22px;
    background:rgba(244,247,245,.985);
    border-bottom:1px solid rgba(17,37,42,.1);
    box-shadow:0 18px 30px rgba(20,50,54,.08);
  }
  .site-nav.open { display:grid; }
  .site-nav a:not(.nav-cta) { display:block; padding:8px 0; }
  .nav-cta { margin-top:6px; text-align:center; }
  .hero-layout { padding-block:54px 74px; gap:5px; }
  .hero h1 { font-size:clamp(2.55rem,11.5vw,4rem); }
  .hero-lead { font-size:1rem; }
  .hero-visual { min-height:330px; }
  .hero-caption { right:6px; bottom:4px; }
  .scroll-cue { display:none; }
  .signal-grid { grid-template-columns:1fr 1fr; }
  .signal-grid > div { padding:18px 12px; }
  .signal-grid > div:first-child { padding-left:0; }
  .section { padding:78px 0; }
  .section-copy h2, .section-heading h2, .technology-intro h2, .contact h2 { font-size:clamp(2rem,8.8vw,2.9rem); line-height:1.1; }
  .media-card, .media-card img { min-height:440px; }
  .principle-card { padding:24px 22px 24px 68px; }
  .principle-number { top:24px; left:20px; }
  .priority-copy { padding:32px 24px 0; }
  .priority-image { min-height:300px; }
  .tool-grid { grid-template-columns:1fr; }
  .tool-card.wide-card { grid-column:auto; display:block; }
  .tool-image { min-height:250px; }
  .applications-grid { grid-template-columns:1fr; }
  .application-card.large { grid-column:auto; min-height:430px; }
  .application-card { min-height:360px; }
  .development-media img { aspect-ratio:4/3; }
  .contact-panel { padding:22px; }
}

/* V1.2 definitive tool taxonomy */
.spec-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.spec-list li {
  position: relative;
  padding-left: 16px;
  color: #607377;
  font-size: .82rem;
}
.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 2px;
  border-radius: 2px;
  background: var(--teal-500);
}
.spec-list.inverted li { color: rgba(255,255,255,.74); }
.spec-list.inverted li::before { background: var(--aqua); }
.definitive-grid .tool-card { height: 100%; }
.definitive-grid .tool-copy { height: 100%; }
.rov-card .tool-image { min-height: 100%; }
.dual-tool-image {
  position: relative;
  grid-template-columns: 1.12fr .72fr;
  gap: 2px;
  align-items: center;
  padding: 18px 12px 18px 20px;
}
.dual-tool-image img:first-child { width: 112%; max-height: 260px; }
.dual-tool-image img:last-child { width: 96%; max-height: 205px; opacity: .9; }
.future-product {
  margin-top: 18px;
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  align-items: center;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(17,37,42,.09);
  border-radius: 24px;
  background: linear-gradient(130deg,#e2ece8 0%,#f4f7f5 55%,#d7e7e3 100%);
}
.future-copy { padding: 46px 18px 46px 48px; }
.future-pill { color: var(--teal-700); border-color: rgba(34,97,106,.22); background: rgba(255,255,255,.55); }
.future-copy h3 {
  margin: 16px 0 0;
  max-width: 520px;
  font-size: clamp(2.1rem,3.4vw,3.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
}
.future-copy p { max-width: 560px; margin: 18px 0 0; color: #52686d; }
.future-copy .future-note {
  padding-left: 14px;
  border-left: 3px solid var(--teal-300);
  font-size: .86rem;
  color: #687b7e;
}
.future-images {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.future-images::before {
  content: "";
  position: absolute;
  width: 75%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,137,135,.22), transparent 68%);
}
.future-primary {
  position: relative;
  z-index: 2;
  width: 78%;
  max-height: 390px;
  object-fit: contain;
  border-radius: 12px;
  filter: drop-shadow(0 24px 24px rgba(13,61,68,.18));
}
.future-reference {
  position: absolute;
  z-index: 3;
  right: 5%;
  bottom: 8%;
  width: 33%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 6px solid rgba(255,255,255,.9);
  border-radius: 12px;
  box-shadow: 0 14px 32px rgba(13,61,68,.18);
}

@media (max-width: 980px) {
  .future-product { grid-template-columns: 1fr; }
  .future-copy { padding: 40px 40px 0; }
  .future-images { min-height: 440px; }
  .rov-card .tool-image { min-height: 320px; }
}

@media (max-width: 700px) {
  .dual-tool-image { grid-template-columns: 1fr 1fr; min-height: 250px !important; }
  .future-copy { padding: 30px 24px 0; }
  .future-images { min-height: 340px; }
  .future-primary { width: 92%; max-height: 280px; }
  .future-reference { width: 35%; right: 3%; bottom: 6%; border-width: 4px; }
}

/* ROV card image composition refinement */
.dual-tool-image {
  display: block;
  position: relative;
  min-height: 100%;
  overflow: hidden;
  padding: 0;
}
.dual-tool-image img:first-child {
  position: absolute;
  z-index: 2;
  left: 2%;
  top: 14%;
  width: 84%;
  max-height: 68%;
  object-fit: contain;
}
.dual-tool-image img:last-child {
  position: absolute;
  z-index: 3;
  right: 4%;
  bottom: 10%;
  width: 44%;
  max-height: 34%;
  object-fit: contain;
  opacity: .95;
}

@media (max-width: 700px) {
  .dual-tool-image { min-height: 300px !important; }
  .dual-tool-image img:first-child { width: 86%; left: 1%; top: 12%; }
  .dual-tool-image img:last-child { width: 42%; right: 2%; bottom: 9%; }
}

/* V1.2.1 softer light-surface tuning */
.tool-card, .proof-grid div, .future-product { box-shadow: 0 10px 26px rgba(12, 46, 50, .05), inset 0 1px 0 rgba(255,255,255,.45); }
.problem .section-copy > p, .development .section-copy > p, .range .section-heading > p { color: #4e666c; }

/* V1.3 video evidence sections */
.action-section {
  background: linear-gradient(180deg, #dbe7e3 0%, #edf4f1 100%);
}
.current-video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.current-video-card {
  display: grid;
  grid-template-columns: minmax(230px, .72fr) minmax(0, 1fr);
  align-items: center;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid rgba(17,37,42,.08);
  border-radius: 22px;
  background: linear-gradient(135deg, #0d3d44 0%, #1d5960 100%);
  box-shadow: 0 20px 50px rgba(9,44,49,.13);
}
.video-frame {
  min-height: 560px;
  display: grid;
  place-items: center;
  padding: 24px 8px 24px 24px;
  background: radial-gradient(circle at 50% 45%, rgba(155,217,213,.17), transparent 56%);
}
.video-frame video {
  display: block;
  width: min(100%, 300px);
  max-height: 512px;
  background: #061f23;
  border-radius: 14px;
  box-shadow: 0 18px 35px rgba(0,0,0,.24);
}
.video-copy { padding: 38px 36px 38px 28px; color: white; }
.video-kicker {
  display: block;
  color: var(--aqua);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.video-copy h3 {
  margin: 9px 0 0;
  font-size: clamp(1.6rem, 2.2vw, 2.35rem);
  line-height: 1.08;
  letter-spacing: -.018em;
}
.video-copy p { margin: 16px 0 0; color: rgba(255,255,255,.72); font-size: .94rem; }

.archive-block { margin-top: 72px; }
.archive-heading {
  display: grid;
  grid-template-columns: 1fr .85fr;
  gap: 56px;
  align-items: end;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}
.archive-label {
  display: block;
  margin-bottom: 8px;
  color: var(--teal-700);
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.archive-heading h3 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(1.75rem, 2.7vw, 2.85rem);
  line-height: 1.1;
  letter-spacing: -.018em;
}
.archive-heading p { margin: 0; color: #566d72; font-size: .92rem; }
.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}
.archive-card {
  overflow: hidden;
  border: 1px solid rgba(17,37,42,.09);
  border-radius: 17px;
  background: linear-gradient(180deg, var(--card) 0%, var(--card-2) 100%);
  box-shadow: 0 10px 28px rgba(12,46,50,.055);
}
.archive-card-featured {
  border-color: rgba(34,97,106,.32);
  box-shadow: 0 14px 34px rgba(13,61,68,.11);
}
.archive-card video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #0a2d32;
}
.archive-copy { padding: 19px 20px 22px; }
.archive-copy span {
  color: var(--teal-700);
  font-size: .66rem;
  font-weight: 850;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.archive-copy h4 { margin: 6px 0 0; font-size: 1.08rem; }
.archive-copy p { margin: 8px 0 0; color: #607377; font-size: .82rem; }

@media (max-width: 1100px) {
  .current-video-card { grid-template-columns: 1fr; min-height: auto; }
  .video-frame { min-height: 500px; padding: 24px 24px 0; }
  .video-copy { padding: 26px 30px 34px; }
}

@media (max-width: 900px) {
  .current-video-grid { grid-template-columns: 1fr; }
  .current-video-card { grid-template-columns: minmax(220px,.72fr) minmax(0,1fr); }
  .archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .archive-heading { grid-template-columns: 1fr; gap: 16px; align-items: start; }
}

@media (max-width: 700px) {
  .current-video-card { grid-template-columns: 1fr; }
  .video-frame { min-height: 0; padding: 20px 20px 0; }
  .video-frame video { width: min(100%, 310px); max-height: 520px; }
  .video-copy { padding: 24px 24px 30px; }
  .archive-block { margin-top: 52px; }
  .archive-heading { padding-top: 32px; }
  .archive-grid { grid-template-columns: 1fr; }
}

.archive-label-after { display: inline-block; margin-top: 9px; }

/* V1.3 rebuild: media-safe typography and future-section placement */
html { font-size: 16px; }
.site-nav a { font-size: 1rem; }
.eyebrow { font-size: .82rem; }
.hero-caption strong { font-size: .94rem; }
.hero-caption span { font-size: .82rem; }
.hero-points span { font-size: .86rem; }
.signal-grid strong { font-size: 1.04rem; }
.signal-grid span { font-size: .9rem; }
.feature-list span { font-size: .8rem; }
.media-card figcaption span { font-size: .94rem; }
.tool-type { font-size: .78rem; }
.tool-copy p { font-size: .96rem; }
.spec-list li { font-size: .91rem; line-height: 1.48; }
.future-copy .future-note { font-size: .92rem; }
.proof-grid span { font-size: .84rem; }
.small-note { font-size: .91rem !important; }
.footer-layout p { font-size: .84rem; }
.video-kicker { font-size: .78rem; }
.video-copy p { font-size: 1rem; line-height: 1.55; }
.archive-label { font-size: .79rem; }
.archive-heading p { font-size: .98rem; line-height: 1.55; }
.archive-copy span { font-size: .76rem; }
.archive-copy h4 { font-size: 1.16rem; }
.archive-copy p { font-size: .92rem; line-height: 1.5; }
.future-section { background: linear-gradient(180deg, #e6efeb 0%, #f2f7f4 100%); }
.future-section .future-product { margin-top: 0; }

@media (max-width: 700px) {
  .site-nav a { font-size: 1rem; }
  .signal-grid span { font-size: .84rem; }
  .tool-copy p, .spec-list li, .archive-copy p, .video-copy p { font-size: .95rem; }
  .archive-copy h4 { font-size: 1.12rem; }
}
/* Fine-print readability floor */
.status-pill, .product-tags span, .principle-number, .application-overlay span, .contact-panel > span { font-size: .8rem; }
.development-media figcaption { font-size: .88rem; }


/* V1.4 typography and future-concept refinement */
.future-images {
  padding: 28px;
}
.future-primary {
  width: 90%;
  max-height: 430px;
}
.concept-caption {
  position: absolute;
  z-index: 4;
  right: 28px;
  bottom: 24px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(8,47,53,.78);
  color: rgba(255,255,255,.82);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .02em;
  backdrop-filter: blur(6px);
}
@media (max-width: 700px) {
  .future-primary { width: 100%; max-height: 300px; }
  .concept-caption { right: 16px; bottom: 14px; font-size: .72rem; }
}