:root {
  --blue: #075ca8;
  --blue-bright: #0a6fcb;
  --blue-dark: #003f78;
  --ink: #111316;
  --muted: #5f6670;
  --line: #dfe3e8;
  --surface: #f4f6f8;
  --white: #ffffff;
  --nav-height: 72px;
  --shadow: 0 24px 70px rgba(16, 34, 55, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; display: block; }

.brand-word { white-space: nowrap; font-weight: inherit; }
.brand-word > span, .blue-text { color: var(--blue); }
.light-brand { color: white; }
.light-brand > span { color: #7cc5ff; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-height);
  padding: 0 2.6vw;
  display: grid;
  grid-template-columns: minmax(205px, 1fr) auto minmax(125px, 1fr);
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(17, 19, 22, 0.08);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { background: rgba(255,255,255,.96); box-shadow: 0 8px 28px rgba(0,0,0,.06); }
.brand { display: inline-flex; align-items: center; width: fit-content; }
.brand img { width: 220px; height: 45px; object-fit: contain; object-position: left center; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 2px; }
.main-nav a { padding: 9px 8px; border-radius: 7px; font-size: 12px; font-weight: 650; white-space: nowrap; transition: background .2s ease; }
.main-nav a:hover, .main-nav a.active { background: rgba(17,19,22,.07); }
.header-cta { justify-self: end; background: var(--ink); color: var(--white); padding: 10px 17px; border-radius: 7px; font-size: 12px; font-weight: 750; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--ink); transition: .25s; }

.panel { position: relative; min-height: 100vh; overflow: hidden; }
.section-shell { width: min(1180px, 90vw); margin: 0 auto; padding: 126px 0 108px; }
.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow.light { color: #a9d6ff; }
.section-heading { max-width: 760px; }
.section-heading.centered { margin: 0 auto 58px; text-align: center; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(46px, 5.8vw, 86px); line-height: .98; letter-spacing: -.065em; }
h2 { margin-bottom: 22px; font-size: clamp(38px, 4.7vw, 68px); line-height: 1.02; letter-spacing: -.055em; }
h3 { letter-spacing: -.03em; }
.section-heading > p:last-child, .showcase-copy > p, .contact-copy > p, .security-copy > p { font-size: 18px; line-height: 1.65; color: var(--muted); }

.hero { min-height: 100vh; background: radial-gradient(circle at 78% 36%, #edf6ff 0, #fff 37%, #f6f8fa 100%); display: flex; align-items: center; padding-top: var(--nav-height); }
.hero-grid { width: min(1360px, 93vw); margin: 0 auto; display: grid; grid-template-columns: .88fr 1.12fr; align-items: center; gap: 50px; padding: 70px 0 60px; }
.hero-copy { position: relative; z-index: 2; }
.hero-subtitle { max-width: 690px; margin-bottom: 34px; color: var(--muted); font-size: clamp(18px, 1.55vw, 22px); line-height: 1.55; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 0 24px; border-radius: 7px; border: 1px solid transparent; font-size: 14px; font-weight: 750; cursor: pointer; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: white; box-shadow: 0 10px 28px rgba(7,92,168,.22); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: rgba(17,19,22,.08); color: var(--ink); }
.btn-outline { border-color: #cbd2d9; background: white; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 28px; color: #59616a; font-size: 12px; font-weight: 700; }
.hero-proof span::before { content: "•"; margin-right: 8px; color: var(--blue); }

.product-stage { position: relative; min-height: 620px; display: grid; place-items: center; perspective: 1400px; }
.screen-glow { position: absolute; width: 80%; height: 64%; border-radius: 50%; background: rgba(42,145,236,.21); filter: blur(68px); }
.app-window {
  position: relative;
  width: min(760px, 100%);
  aspect-ratio: 1.28;
  background: white;
  border: 1px solid #dbe2e8;
  border-radius: 18px;
  box-shadow: var(--shadow);
  transform: rotateY(-5deg) rotateX(2deg);
  transform-style: preserve-3d;
  transition: transform .18s ease-out, box-shadow .25s ease;
  overflow: hidden;
  will-change: transform;
}
.app-window:hover, .app-window:focus-visible { box-shadow: 0 34px 90px rgba(16,34,55,.24); outline: none; }
.depth-one { transform: translateZ(12px); }
.depth-two { transform: translateZ(22px); }
.depth-three { transform: translateZ(32px); }
.app-topbar { height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border-bottom: 1px solid #e6e9ed; }
.app-brand { display: flex; align-items: center; gap: 9px; font-size: 12px; font-weight: 800; }
.app-brand img { width: 27px; height: 27px; object-fit: contain; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #ccd2d8; }
.app-body { display: grid; grid-template-columns: 150px 1fr; height: calc(100% - 58px); }
.app-sidebar { padding: 20px 12px; background: #f5f7f9; border-right: 1px solid #e3e7eb; display: flex; flex-direction: column; gap: 6px; }
.app-sidebar span { padding: 8px 10px; border-radius: 7px; color: #68717a; font-size: 9px; font-weight: 650; }
.app-sidebar .active { color: var(--blue); background: #e5f2ff; }
.dashboard { padding: 22px; }
.dash-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.dash-heading small { color: #8a929a; font-size: 8px; letter-spacing: .1em; }
.dash-heading h3 { margin: 3px 0 0; font-size: 17px; }
.dash-heading button { border: 0; background: var(--blue); color: white; padding: 9px 12px; border-radius: 6px; font-size: 9px; font-weight: 700; }
.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 18px 0 12px; }
.metric-grid article { padding: 12px; border: 1px solid #e0e5e9; border-radius: 9px; }
.metric-grid strong { display: block; font-size: 20px; }
.metric-grid span { color: #7b848d; font-size: 8px; }
.assistant-preview { margin-bottom: 12px; padding: 13px; border: 1px solid #cfe2f3; border-radius: 10px; background: linear-gradient(145deg,#f1f8ff,#fff); }
.assistant-label { display: flex; align-items: center; gap: 7px; margin-bottom: 8px; font-size: 9px; }
.assistant-label span { width: 22px; height: 22px; display: grid; place-items: center; border-radius: 7px; background: var(--blue); color: white; font-size: 8px; }
.assistant-preview > p { margin: 0 0 9px; font-size: 9px; line-height: 1.45; color: #3e4650; }
.assistant-result { display: flex; flex-direction: column; gap: 3px; padding: 9px; border-radius: 7px; background: white; box-shadow: 0 5px 16px rgba(15,70,115,.08); }
.assistant-result strong { font-size: 9px; color: var(--blue); }
.assistant-result span { font-size: 7px; line-height: 1.4; color: #6e7780; }
.package-card { border: 1px solid #dfe4e8; border-radius: 10px; padding: 13px; }
.package-head { display: flex; justify-content: space-between; font-size: 9px; }
.package-head span { color: var(--blue); }
.progress { height: 5px; margin: 9px 0 11px; border-radius: 99px; background: #e7ebef; overflow: hidden; }
.progress i { display: block; width: 94%; height: 100%; background: var(--blue); }
.doc-row { display: flex; justify-content: space-between; padding: 7px 0; border-top: 1px solid #eef0f2; font-size: 8px; }
.doc-row b { color: #23875e; }
.doc-row em { color: #b27616; font-style: normal; font-weight: 700; }
.tilt-hint { position: absolute; right: 14px; bottom: 10px; padding: 6px 9px; border-radius: 99px; background: rgba(17,19,22,.82); color: white; font-size: 8px; font-weight: 650; opacity: 0; transform: translateY(5px); transition: .2s; }
.app-window:hover .tilt-hint, .app-window:focus-visible .tilt-hint { opacity: 1; transform: translateY(0); }
.scroll-cue { position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%); width: 34px; height: 50px; border: 1px solid rgba(17,19,22,.22); border-radius: 20px; }
.scroll-cue span { position: absolute; top: 10px; left: 50%; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--ink); animation: scrollCue 1.8s infinite; }
@keyframes scrollCue { 0%{transform:translateY(0);opacity:0} 30%{opacity:1} 100%{transform:translateY(18px);opacity:0} }

.workflow { background: white; display: flex; align-items: center; }
.workflow .section-heading { margin-bottom: 60px; }
.workflow-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { min-height: 340px; padding: 34px 28px; background: white; }
.step-number { display: block; margin-bottom: 78px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: .08em; }
.step h3 { margin-bottom: 16px; font-size: 22px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }

.ai-section { background: radial-gradient(circle at 76% 24%, #123f67 0%, #071725 42%, #02070c 100%); color: white; }
.ai-shell { width: min(1240px, 91vw); }
.ai-section .section-heading { max-width: 900px; }
.ai-section .section-heading > p:last-child { color: rgba(255,255,255,.68); }
.ai-demo { margin-top: 52px; display: grid; grid-template-columns: 320px 1fr; border: 1px solid rgba(255,255,255,.15); border-radius: 18px; overflow: hidden; background: rgba(255,255,255,.045); box-shadow: 0 25px 80px rgba(0,0,0,.28); }
.ai-prompts { padding: 28px; border-right: 1px solid rgba(255,255,255,.12); background: rgba(0,0,0,.16); }
.ai-prompts > p { margin-bottom: 18px; color: #9db0c2; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.ai-prompts button { width: 100%; margin-bottom: 9px; padding: 13px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 9px; background: rgba(255,255,255,.04); color: rgba(255,255,255,.7); text-align: left; font-size: 12px; line-height: 1.45; cursor: pointer; transition: .2s; }
.ai-prompts button:hover, .ai-prompts button.active { background: rgba(62,155,234,.18); border-color: rgba(109,191,255,.48); color: white; }
.ai-console { min-height: 440px; padding: 28px; background: linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.018)); }
.ai-console-top { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 12px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.12); }
.ai-orb { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: linear-gradient(145deg,#0e77d0,#43a7f1); color: white; font-size: 12px; font-weight: 800; box-shadow: 0 10px 25px rgba(0,102,190,.35); }
.ai-console-top strong, .ai-console-top span { display: block; }
.ai-console-top strong { font-size: 14px; }
.ai-console-top span { margin-top: 3px; color: #8fa1b2; font-size: 10px; }
.ai-console-top i { padding: 7px 10px; border: 1px solid rgba(126,204,255,.35); border-radius: 99px; color: #9dd8ff; font-size: 9px; font-style: normal; }
.ai-message { max-width: 80%; padding: 16px 18px; border-radius: 14px; font-size: 13px; line-height: 1.55; }
.user-message { margin: 26px 0 18px auto; background: var(--blue); box-shadow: 0 10px 30px rgba(0,83,153,.24); }
.assistant-message { max-width: 92%; background: rgba(255,255,255,.075); border: 1px solid rgba(255,255,255,.12); }
.assistant-message.is-changing { opacity: .3; transform: translateY(5px); }
.assistant-message p { color: rgba(255,255,255,.88); }
.ai-change-list { display: grid; gap: 7px; margin: 15px 0 18px; }
.ai-change-list span { padding: 10px 12px; border-radius: 8px; background: rgba(255,255,255,.055); color: #b9c6d2; font-size: 11px; }
.ai-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-actions button { border: 0; border-radius: 7px; padding: 9px 12px; background: #eaf5ff; color: #074d86; font-size: 10px; font-weight: 750; }
.ai-actions .secondary { background: rgba(255,255,255,.08); color: white; }
.ai-principles { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 20px; }
.ai-principles article { padding: 23px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; background: rgba(255,255,255,.035); }
.ai-principles strong { display: block; margin-bottom: 9px; font-size: 15px; }
.ai-principles span { color: rgba(255,255,255,.6); font-size: 12px; line-height: 1.6; }

.deliverables { background: #f4f6f8; }
.document-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.document-card { min-height: 245px; padding: 27px; border: 1px solid #e0e5e9; border-radius: 13px; background: white; }
.document-card > span { display: block; margin-bottom: 58px; color: var(--blue); font-size: 12px; font-weight: 800; }
.document-card h3 { margin-bottom: 11px; font-size: 21px; }
.document-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.62; }
.document-card.accent { background: var(--blue); border-color: var(--blue); color: white; }
.document-card.accent > span { color: #b8ddff; }
.document-card.accent p { color: rgba(255,255,255,.72); }
.capability-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 18px; margin-top: 18px; }
.profile-card, .coverage-card { padding: 38px; border: 1px solid #dfe4e8; border-radius: 15px; background: white; }
.profile-card h3, .coverage-card h3 { margin-bottom: 16px; font-size: clamp(27px,2.7vw,40px); line-height: 1.08; }
.profile-card > p:not(.eyebrow), .coverage-card > p:not(.eyebrow) { color: var(--muted); font-size: 14px; line-height: 1.7; }
.profile-switcher { display: flex; flex-direction: column; gap: 8px; margin-top: 26px; }
.profile-switcher button { padding: 13px 15px; border: 1px solid #dce2e7; border-radius: 8px; background: #f7f8f9; color: #4b535c; text-align: left; font-size: 12px; font-weight: 650; }
.profile-switcher button.active { border-color: #a7d0f2; background: #edf7ff; color: var(--blue); }
.coverage-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.coverage-list span { padding: 11px 13px; border: 1px solid #dce2e7; border-radius: 99px; color: #414a53; background: #f8f9fa; font-size: 12px; font-weight: 650; }
.coverage-list span:last-child { border-color: #a9d2f4; color: var(--blue); background: #edf7ff; }

.instrument-showcase { min-height: 92vh; display: flex; align-items: center; color: white; }
.instrument-showcase .image-layer, .instrument-showcase .overlay { position: absolute; inset: 0; }
.instrument-showcase .image-layer { background-size: cover; background-position: center; transform: scale(1.02); }
.instrument-showcase.pressure .image-layer { background-image: url('assets/pressure-transmitter.jpg'); background-position: center 42%; }
.instrument-showcase.temperature .image-layer { background-image: url('assets/temperature-transmitter.jpg'); background-position: center; }
.instrument-showcase .overlay { background: linear-gradient(90deg, rgba(3,13,23,.9) 0%, rgba(3,13,23,.68) 40%, rgba(3,13,23,.08) 72%); }
.instrument-showcase.temperature .overlay { background: linear-gradient(270deg, rgba(3,13,23,.92) 0%, rgba(3,13,23,.65) 42%, rgba(3,13,23,.1) 72%); }
.showcase-copy { position: relative; z-index: 2; width: min(630px, 88vw); margin-left: max(6vw, calc((100vw - 1180px)/2)); }
.showcase-copy.right { margin-left: auto; margin-right: max(6vw, calc((100vw - 1180px)/2)); }
.showcase-copy h2 { font-size: clamp(38px, 4.8vw, 70px); }
.showcase-copy > p { color: rgba(255,255,255,.78); }
.showcase-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.showcase-tags span { padding: 9px 12px; border: 1px solid rgba(255,255,255,.38); border-radius: 99px; font-size: 12px; font-weight: 700; backdrop-filter: blur(6px); }

.value { background: #f3f5f7; }
.value-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.value-card { min-height: 315px; padding: 32px; background: white; border: 1px solid #e3e7ea; border-radius: 14px; }
.value-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 68px; border-radius: 50%; background: #e8f3fd; color: var(--blue); font-size: 12px; font-weight: 800; }
.value-card h3 { font-size: 22px; margin-bottom: 12px; }
.value-card p { color: var(--muted); font-size: 14px; line-height: 1.67; }
.roi-band { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 20px; border: 1px solid #dce2e7; border-radius: 13px; background: white; overflow: hidden; }
.roi-band div { padding: 28px; border-right: 1px solid #dce2e7; }
.roi-band div:last-child { border-right: 0; }
.roi-band strong, .roi-band span { display: block; }
.roi-band strong { margin-bottom: 7px; font-size: 19px; }
.roi-band span { color: var(--muted); font-size: 12px; }

.customers { background: white; }
.split-shell { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.text-link { display: inline-flex; gap: 7px; margin-top: 20px; color: var(--blue); font-size: 14px; font-weight: 750; }
.customer-list { border-top: 1px solid var(--line); }
.customer-list article { display: grid; grid-template-columns: 55px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.customer-list > article > span { color: var(--blue); font-size: 11px; font-weight: 800; }
.customer-list h3 { margin-bottom: 8px; font-size: 21px; }
.customer-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.pricing { background: #f7f8f9; }
.billing-toggle { width: fit-content; margin: 28px auto 0; padding: 4px; border-radius: 8px; background: #e9edf0; }
.billing-toggle button { border: 0; background: transparent; padding: 10px 14px; border-radius: 6px; color: #5e6670; cursor: pointer; font-size: 12px; font-weight: 700; }
.billing-toggle button.active { background: white; color: var(--ink); box-shadow: 0 2px 9px rgba(0,0,0,.08); }
.billing-toggle span { color: var(--blue); }
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; align-items: stretch; }
.price-card { position: relative; padding: 34px; background: white; border: 1px solid #dfe4e8; border-radius: 14px; display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--blue); box-shadow: 0 20px 50px rgba(7,92,168,.12); }
.popular { position: absolute; top: -14px; left: 24px; padding: 7px 11px; border-radius: 99px; background: var(--blue); color: white; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.plan { margin-bottom: 12px; color: var(--blue); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.price-card h3 { min-height: 52px; margin-bottom: 17px; font-size: 22px; }
.price { min-height: 63px; margin-bottom: 17px; }
.price strong { display: block; font-size: 42px; letter-spacing: -.055em; }
.price span { color: var(--muted); font-size: 12px; }
.price-card > p:not(.plan) { min-height: 66px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.price-card ul { padding: 0; margin: 20px 0 30px; list-style: none; flex: 1; }
.price-card li { position: relative; padding: 10px 0 10px 25px; border-top: 1px solid #edf0f2; color: #394049; font-size: 13px; }
.price-card li::before { content: "✓"; position: absolute; left: 2px; color: var(--blue); font-weight: 800; }

.security { min-height: 95vh; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 70px; padding: 110px max(5vw, calc((100vw - 1250px)/2)); background: radial-gradient(circle at 23% 50%, #134c7d 0%, #081725 44%, #03080d 100%); color: white; }
.security-art { position: relative; min-height: 550px; display: grid; place-items: center; }
.shield { position: relative; z-index: 2; width: 220px; height: 260px; border: 2px solid rgba(147,207,255,.75); border-radius: 110px 110px 85px 85px; clip-path: polygon(50% 0, 96% 18%, 90% 70%, 50% 100%, 10% 70%, 4% 18%); background: linear-gradient(145deg, rgba(85,178,255,.28), rgba(255,255,255,.02)); box-shadow: 0 0 70px rgba(68,160,237,.25), inset 0 0 40px rgba(68,160,237,.2); }
.shield::before { content: ""; position: absolute; inset: 12%; clip-path: inherit; border: 1px solid rgba(255,255,255,.35); }
.shield span { position: absolute; left: 50%; top: 50%; width: 28px; height: 36px; transform: translate(-50%,-40%); border: 3px solid #b9e3ff; border-radius: 15px 15px 5px 5px; }
.shield span::before { content: ""; position: absolute; left: 50%; bottom: 100%; width: 22px; height: 18px; transform: translateX(-50%); border: 3px solid #b9e3ff; border-bottom: 0; border-radius: 14px 14px 0 0; }
.orbit { position: absolute; border: 1px solid rgba(121,197,255,.18); border-radius: 50%; animation: rotate 20s linear infinite; }
.orbit::after { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #8dd2ff; box-shadow: 0 0 16px #8dd2ff; }
.orbit-one { width: 390px; height: 390px; }
.orbit-one::after { top: 28px; left: 68px; }
.orbit-two { width: 500px; height: 280px; transform: rotate(24deg); animation-direction: reverse; }
.orbit-two::after { right: 42px; top: 54px; }
.orbit-three { width: 300px; height: 480px; transform: rotate(-18deg); }
.orbit-three::after { bottom: 48px; left: 44px; }
@keyframes rotate { to { rotate: 360deg; } }
.security-copy { position: relative; z-index: 2; }
.security-copy > p { color: rgba(255,255,255,.7); }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 42px; }
.security-grid article { padding-top: 18px; border-top: 1px solid rgba(255,255,255,.22); }
.security-grid h3 { font-size: 17px; margin-bottom: 8px; }
.security-grid p { margin: 0; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.6; }
.security-note { margin-top: 25px !important; font-size: 10px !important; color: rgba(255,255,255,.43) !important; }

.contact { background: white; }
.contact-shell { min-height: 92vh; display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.contact-copy h2 { max-width: 650px; }
.contact-points { margin: 30px 0; display: flex; flex-direction: column; gap: 13px; }
.contact-points span { position: relative; padding-left: 25px; color: #414952; font-weight: 600; }
.contact-points span::before { content: "✓"; position: absolute; left: 0; color: var(--blue); }
.direct-contact { display: flex; flex-direction: column; gap: 10px; }
.contact-email, .contact-phone { width: fit-content; color: var(--blue); font-size: 18px; font-weight: 750; }
.contact-phone { color: var(--ink); }
.contact-form { position: relative; padding: 36px; border: 1px solid #dde2e7; border-radius: 16px; background: #f8f9fa; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 16px; color: #394049; font-size: 12px; font-weight: 700; }
.optional-label { color: #7a838d; font-weight: 500; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 8px; border: 1px solid #cfd5db; border-radius: 7px; background: white; padding: 13px 14px; color: var(--ink); outline: none; transition: border .2s, box-shadow .2s; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(7,92,168,.1); }
.contact-form textarea { resize: vertical; }
.contact-form .btn { width: 100%; border: 0; }
.form-note { margin: 13px 0 0; text-align: center; color: #7a828b; font-size: 10px; line-height: 1.5; }
.form-success { display: none; margin-top: 15px; padding: 13px; border-radius: 7px; background: #e8f6ef; color: #166543; font-size: 13px; font-weight: 700; }
.form-success.show { display: block; }
.form-success.error { background: #fff0ef; color: #9b2c24; }
.form-honeypot { position: absolute !important; left: -9999px !important; height: 1px; width: 1px; overflow: hidden; }

.site-footer { padding: 34px 4vw; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; border-top: 1px solid #e2e6e9; background: #f6f7f8; color: #5d6570; font-size: 11px; }
.footer-brand { display: flex; align-items: center; }
.footer-brand img { width: 210px; max-height: 42px; object-fit: contain; object-position: left center; }
.footer-links { display: flex; gap: 18px; }
.site-footer > p { justify-self: end; margin: 0; }
.credits { grid-column: 1 / -1; color: #727a83; }
.credits summary { cursor: pointer; width: fit-content; }
.credits p { margin: 8px 0 0; max-width: 820px; line-height: 1.5; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1180px) {
  .site-header { grid-template-columns: 1fr auto; }
  .main-nav, .header-cta { display: none; }
  .menu-toggle { display: block; justify-self: end; }
  .main-nav.open { position: fixed; inset: var(--nav-height) 0 0 0; display: flex; flex-direction: column; justify-content: flex-start; align-items: stretch; gap: 4px; padding: 28px 5vw; background: rgba(255,255,255,.99); overflow-y: auto; }
  .main-nav.open a { padding: 16px; font-size: 18px; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 80px; }
  .hero-copy { text-align: center; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .button-row, .hero-proof { justify-content: center; }
  .product-stage { min-height: 560px; }
  .workflow-steps, .value-grid, .document-grid { grid-template-columns: repeat(2,1fr); }
  .ai-demo { grid-template-columns: 260px 1fr; }
  .split-shell, .contact-shell, .capability-grid { grid-template-columns: 1fr; gap: 55px; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 700px; margin: 0 auto; }
  .price-card h3, .price-card > p:not(.plan) { min-height: auto; }
  .security { grid-template-columns: 1fr; }
  .security-art { min-height: 430px; }
}

@media (max-width: 760px) {
  :root { --nav-height: 64px; }
  .site-header { padding: 0 18px; }
  .brand img { width: 190px; height: 40px; }
  .section-shell { width: min(90vw, 620px); padding: 95px 0 80px; }
  h1 { font-size: clamp(44px, 14vw, 66px); }
  h2 { font-size: clamp(36px, 11vw, 52px); }
  .hero-grid { width: 90vw; gap: 20px; }
  .hero-proof { display: none; }
  .product-stage { min-height: 400px; }
  .app-window { transform: none !important; border-radius: 12px; }
  .app-body { grid-template-columns: 82px 1fr; }
  .app-sidebar { padding: 12px 6px; }
  .app-sidebar span { font-size: 6px; padding: 6px 4px; }
  .dashboard { padding: 12px; }
  .metric-grid { gap: 4px; }
  .metric-grid article { padding: 7px; }
  .metric-grid strong { font-size: 13px; }
  .dash-heading h3 { font-size: 11px; }
  .assistant-preview { padding: 8px; }
  .assistant-preview > p { font-size: 7px; }
  .assistant-result { padding: 6px; }
  .tilt-hint { display: none; }
  .workflow-steps, .value-grid, .document-grid, .roi-band, .security-grid, .ai-principles { grid-template-columns: 1fr; }
  .step { min-height: auto; }
  .step-number { margin-bottom: 38px; }
  .ai-demo { grid-template-columns: 1fr; }
  .ai-prompts { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .ai-console { min-height: 480px; padding: 20px; }
  .ai-console-top { grid-template-columns: 38px 1fr; }
  .ai-console-top i { grid-column: 1 / -1; width: fit-content; }
  .ai-message { max-width: 92%; }
  .document-card { min-height: 220px; }
  .capability-grid { gap: 14px; }
  .profile-card, .coverage-card { padding: 27px; }
  .roi-band div { border-right: 0; border-bottom: 1px solid #dce2e7; }
  .roi-band div:last-child { border-bottom: 0; }
  .instrument-showcase { min-height: 82vh; }
  .instrument-showcase .overlay, .instrument-showcase.temperature .overlay { background: linear-gradient(0deg, rgba(3,13,23,.92), rgba(3,13,23,.25)); }
  .showcase-copy, .showcase-copy.right { margin: auto 5vw 8vh; align-self: flex-end; }
  .showcase-copy h2 { font-size: 38px; }
  .split-shell { gap: 40px; }
  .customer-list article { grid-template-columns: 35px 1fr; }
  .security { padding: 80px 5vw; }
  .security-art { min-height: 330px; transform: scale(.75); margin: -60px 0; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 22px; }
  .site-footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand, .footer-links { justify-content: center; }
  .footer-brand img { object-position: center; }
  .footer-links { flex-wrap: wrap; }
  .site-footer > p { justify-self: center; }
}

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

/* Worksheet-informed problem and quantified value sections */
.problem { background: #07111b; color: white; }
.problem-shell { width: min(1180px, 90vw); }
.problem .section-heading { max-width: 900px; }
.problem .section-heading > p:last-child { color: rgba(255,255,255,.68); }
.problem-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 52px; }
.problem-card { min-height: 250px; padding: 30px; border: 1px solid rgba(255,255,255,.13); border-radius: 14px; background: linear-gradient(145deg,rgba(255,255,255,.07),rgba(255,255,255,.025)); }
.problem-card strong { display: block; margin-bottom: 78px; color: #8dceff; font-size: clamp(22px,2vw,30px); letter-spacing: -.04em; }
.problem-card span { color: rgba(255,255,255,.65); font-size: 13px; line-height: 1.65; }
.why-now { display: grid; grid-template-columns: 130px 1fr auto; align-items: center; gap: 28px; margin-top: 18px; padding: 28px 30px; border: 1px solid rgba(127,202,255,.24); border-radius: 14px; background: rgba(7,92,168,.17); }
.why-now > span { color: #a9d6ff; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.why-now p { margin: 0; color: rgba(255,255,255,.74); font-size: 14px; line-height: 1.65; }
.why-now a { white-space: nowrap; color: white; font-size: 12px; font-weight: 750; }
.why-now b { color: #8dceff; }
.impact-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-bottom: 14px; }
.impact-grid article { padding: 30px; border: 1px solid #dce3e9; border-radius: 14px; background: linear-gradient(145deg,#fff,#f5f9fc); box-shadow: 0 14px 35px rgba(16,34,55,.06); }
.impact-grid strong { display: block; margin-bottom: 9px; color: var(--blue); font-size: clamp(30px,3vw,46px); letter-spacing: -.055em; }
.impact-grid span { color: #58616a; font-size: 13px; line-height: 1.55; }
.impact-note { margin: 0 0 24px; color: #7a828b; font-size: 11px; line-height: 1.55; text-align: center; }

@media (max-width: 1180px) {
  .problem-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 760px) {
  .problem-grid, .impact-grid { grid-template-columns: 1fr; }
  .problem-card { min-height: 220px; }
  .problem-card strong { margin-bottom: 48px; }
  .why-now { grid-template-columns: 1fr; gap: 14px; }
}


/* v4 layout refinements */
.deliverables-layout { display:grid; grid-template-columns:minmax(0,.88fr) minmax(520px,1.12fr); gap:72px; align-items:center; margin-bottom:34px; }
.deliverables-copy h2 { max-width:650px; font-size:clamp(42px,5vw,72px); line-height:.98; letter-spacing:-.055em; }
.deliverables-copy > p:not(.eyebrow) { max-width:610px; color:var(--muted); font-size:15px; line-height:1.72; }
.deliverable-stack { margin:34px 0 0; padding:0; list-style:none; border-top:1px solid #d9e0e5; }
.deliverable-stack li { display:grid; grid-template-columns:46px 1fr; align-items:center; min-height:54px; border-bottom:1px solid #d9e0e5; }
.deliverable-stack span { color:var(--blue); font-size:11px; font-weight:800; letter-spacing:.1em; }
.deliverable-stack strong { font-size:17px; font-weight:700; }
.deliverable-stack .more strong { color:var(--blue); }
.package-graphic-wrap { min-height:690px; display:grid; place-items:center; perspective:1300px; }
.package-graphic { position:relative; width:min(620px,100%); aspect-ratio:1.02; transform:rotateY(-8deg) rotateX(3deg); transform-style:preserve-3d; transition:transform .45s ease; }
.package-graphic-wrap:hover .package-graphic { transform:rotateY(-3deg) rotateX(1deg) translateY(-5px); }
.package-shadow { position:absolute; left:11%; right:4%; bottom:2%; height:18%; border-radius:50%; background:rgba(11,28,45,.18); filter:blur(28px); transform:translateZ(-80px); }
.package-sheet { position:absolute; width:76%; height:72%; border:1px solid #cfd8df; border-radius:10px; background:#fff; box-shadow:0 25px 65px rgba(15,35,53,.16); overflow:hidden; transform-style:preserve-3d; }
.sheet-back { left:3%; top:3%; transform:translateZ(-38px) rotate(-7deg); background:#eaf2f8; }
.sheet-mid { left:12%; top:9%; transform:translateZ(-15px) rotate(-2deg); background:#f8fbfd; }
.sheet-front { left:20%; top:16%; transform:translateZ(24px); }
.sheet-tab { position:absolute; right:0; top:24px; padding:8px 14px; border-radius:7px 0 0 7px; background:var(--blue); color:#fff; font-size:10px; font-weight:800; letter-spacing:.08em; }
.sheet-lines { position:absolute; inset:80px 38px 38px; background:repeating-linear-gradient(to bottom,#cbd8e2 0,#cbd8e2 2px,transparent 2px,transparent 28px); opacity:.72; }
.sheet-header { height:72px; display:flex; align-items:center; gap:13px; padding:14px 18px; border-bottom:1px solid #dce3e8; background:#fbfcfd; }
.sheet-header img { width:40px; height:40px; object-fit:contain; }
.sheet-header strong,.sheet-header span { display:block; }
.sheet-header strong { font-size:13px; }
.sheet-header span { margin-top:3px; color:#78838e; font-size:8px; }
.pid-canvas { position:absolute; inset:73px 0 56px; background-image:linear-gradient(#eff3f6 1px,transparent 1px),linear-gradient(90deg,#eff3f6 1px,transparent 1px); background-size:22px 22px; overflow:hidden; }
.pipe { position:absolute; height:7px; border-radius:5px; background:#54616c; }
.pipe-one { left:8%; right:7%; top:39%; }
.pipe-two { width:43%; left:15%; top:67%; transform:rotate(90deg); }
.pipe-three { width:42%; right:4%; top:66%; transform:rotate(-28deg); }
.instrument-bubble { position:absolute; width:64px; height:64px; display:grid; place-items:center; border:3px solid var(--blue); border-radius:50%; background:#fff; box-shadow:0 7px 18px rgba(7,92,168,.14); }
.instrument-bubble b,.instrument-bubble span { position:absolute; font-size:10px; }
.instrument-bubble b { top:13px; }.instrument-bubble span { bottom:11px; }
.bubble-one { left:16%; top:25%; }.bubble-two { right:14%; top:49%; }
.valve-symbol { position:absolute; left:53%; top:35%; width:38px; height:38px; transform:rotate(45deg); border:4px solid #3f4a54; background:#fff; }
.title-block { position:absolute; left:0; right:0; bottom:0; height:56px; display:grid; grid-template-columns:.7fr 1.5fr .8fr; align-items:center; border-top:1px solid #cfd8df; background:#f7f9fa; }
.title-block > * { padding:0 11px; border-right:1px solid #d8e0e5; font-size:8px; font-style:normal; }
.title-block span { color:var(--blue); font-weight:800; }.title-block em { border-right:0; color:#17875a; font-weight:800; }
.loop-symbol { position:absolute; left:31%; top:31%; width:130px; height:130px; display:grid; place-items:center; border:4px solid var(--blue); border-radius:50%; background:#fff; color:#132333; }
.loop-symbol i { position:absolute; left:50%; top:-55px; width:4px; height:55px; background:var(--blue); }
.loop-symbol b { font-size:26px; }.loop-symbol em { position:absolute; bottom:22px; font-size:13px; font-style:normal; }
.wire-line { position:absolute; height:3px; background:#657581; transform-origin:left center; }
.line-a { left:10%; top:26%; width:27%; transform:rotate(25deg); }.line-b { left:55%; top:50%; width:36%; }.line-c { left:44%; top:74%; width:43%; transform:rotate(-19deg); }

.value-card { min-height:335px; overflow:hidden; }
.value-icon { width:100%; height:92px; display:flex; align-items:center; justify-content:space-between; margin-bottom:42px; border-radius:0; background:transparent; }
.value-icon span { color:var(--blue); font-size:68px; font-weight:800; line-height:1; letter-spacing:-.08em; opacity:.95; }
.value-icon svg { width:58px; height:58px; fill:none; stroke:#7aaed6; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; opacity:.72; }

.pricing-controls { display:flex; justify-content:center; align-items:center; gap:12px; flex-wrap:wrap; margin-top:28px; }
.pricing-controls .billing-toggle { margin:0; }
.currency-toggle { width:fit-content; padding:4px; border-radius:8px; background:#e9edf0; }
.currency-toggle button { border:0; background:transparent; padding:10px 14px; border-radius:6px; color:#5e6670; cursor:pointer; font-size:12px; font-weight:700; }
.currency-toggle button.active { background:white; color:var(--ink); box-shadow:0 2px 9px rgba(0,0,0,.08); }
.currency-note { margin:18px auto 0; color:#7b838b; text-align:center; font-size:10px; }

.contact-title { max-width:740px !important; line-height:.98; }
.contact-title > span { display:block; }
.contact-kicker,.contact-tail { font-size:clamp(25px,2.5vw,37px); font-weight:550; letter-spacing:-.035em; }
.contact-brand { margin:9px 0 12px; font-size:clamp(50px,5.7vw,83px); font-weight:800; letter-spacing:-.065em; }

@media (max-width:1050px) {
  .deliverables-layout { grid-template-columns:1fr; gap:25px; }
  .package-graphic-wrap { min-height:600px; }
  .package-graphic { width:min(610px,90vw); }
}
@media (max-width:620px) {
  .package-graphic-wrap { min-height:430px; }
  .package-graphic { width:100%; }
  .deliverable-stack strong { font-size:15px; }
  .value-icon span { font-size:56px; }
  .value-icon svg { width:48px; height:48px; }
  .contact-brand { font-size:clamp(42px,13vw,62px); }
}


/* v5 viewport, mobile navigation, and compact-value refinements */
.hero-grid {
  width: min(1440px, 94vw);
  grid-template-columns: minmax(480px, .92fr) minmax(620px, 1.08fr);
  gap: clamp(34px, 3.5vw, 64px);
  padding: 36px 0 28px;
}
.hero h1 { font-size: clamp(50px, 5.15vw, 78px); }
.hero-subtitle { max-width: 650px; margin-bottom: 24px; font-size: clamp(16px, 1.25vw, 19px); line-height: 1.5; }
.hero-proof { margin-top: 18px; gap: 16px; font-size: 11px; }
.product-stage { min-height: 535px; }
.app-window { width: min(700px, 100%); }

.value-grid { gap: 14px; }
.value-card { min-height: 248px; padding: 26px; }
.value-icon { height: auto; margin-bottom: 22px; }
.value-icon span { font-size: 44px; letter-spacing: -.065em; }
.value-card h3 { margin-bottom: 14px; font-size: 23px; line-height: 1.08; }
.value-card p { font-size: 13px; line-height: 1.58; }

@media (min-width: 1181px) and (min-height: 760px) {
  html { scroll-snap-type: y proximity; }
  .panel { scroll-snap-align: start; scroll-margin-top: var(--nav-height); }
  .section-shell { padding-top: 102px; padding-bottom: 72px; }
}

@media (min-width: 1181px) and (max-height: 850px) {
  .hero-grid { padding: 22px 0 18px; }
  .hero h1 { margin-bottom: 17px; font-size: clamp(48px, 4.65vw, 70px); }
  .hero .eyebrow { margin-bottom: 12px; }
  .hero-subtitle { margin-bottom: 18px; font-size: 16px; line-height: 1.43; }
  .hero-proof { margin-top: 13px; }
  .product-stage { min-height: 475px; }
  .app-window { width: min(645px, 100%); }
}

@media (max-width: 1180px) {
  .hero-grid { grid-template-columns: 1fr; padding: 62px 0 60px; }
}

@media (max-width: 760px) {
  body.menu-open::before {
    content: "";
    position: fixed;
    inset: var(--nav-height) 0 0;
    z-index: 998;
    background: rgba(3, 13, 23, .42);
    backdrop-filter: blur(2px);
  }
  body.menu-open .site-header { background: #fff; }
  .main-nav.open {
    position: fixed;
    top: calc(var(--nav-height) + 10px);
    right: 12px;
    bottom: auto;
    left: 12px;
    z-index: 1200;
    max-height: calc(100svh - var(--nav-height) - 22px);
    padding: 12px;
    gap: 2px;
    overflow-y: auto;
    border: 1px solid #dfe5ea;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 22px 60px rgba(7, 25, 43, .28);
  }
  .main-nav.open a {
    padding: 13px 15px;
    border-radius: 9px;
    background: #fff;
    color: var(--ink);
    font-size: 16px;
  }
  .main-nav.open a:hover,
  .main-nav.open a.active { background: #edf6ff; color: var(--blue); }

  .hero { min-height: auto; }
  .hero-grid { width: 91vw; gap: 22px; padding: 40px 0 52px; }
  .hero h1 { margin-bottom: 18px; font-size: clamp(40px, 12.7vw, 58px); line-height: .96; }
  .hero .eyebrow { margin-bottom: 12px; font-size: 10px; }
  .hero-subtitle { margin-bottom: 20px; font-size: 15px; line-height: 1.48; }
  .button-row { display: grid; grid-template-columns: 1fr 1fr; width: 100%; }
  .button-row .btn { min-width: 0; padding: 0 12px; font-size: 12px; }
  .product-stage { min-height: 340px; }
  .app-window { width: 100%; }
  .value-card { min-height: 0; padding: 22px; }
  .value-icon { margin-bottom: 14px; }
  .value-icon span { font-size: 38px; }
  .value-card h3 { font-size: 21px; }
}

@media (max-width: 420px) {
  .button-row { grid-template-columns: 1fr; }
  .product-stage { min-height: 300px; }
}


/* v6 additions */
.deliverable-stack { grid-template-columns: 1fr; max-width: 560px; }
.deliverable-stack li { min-height: 54px; }
.pricing-controls .billing-toggle button:first-child { min-width: 170px; }
.blog-teaser { min-height: auto; background: #fff; }
.blog-teaser .section-shell { padding: 92px 0; }
.blog-teaser-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 34px; }
.blog-teaser-head > div { max-width: 740px; }
.blog-teaser-head h2 { font-size: clamp(34px,4vw,58px); }
.blog-teaser-head p:last-child { color: var(--muted); font-size: 16px; line-height: 1.65; }
.blog-teaser-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.blog-mini-card { overflow: hidden; border: 1px solid #dfe4e8; border-radius: 14px; background: #f8fafb; transition: transform .2s ease, box-shadow .2s ease; }
.blog-mini-card:hover { transform: translateY(-4px); box-shadow: 0 18px 42px rgba(10,50,85,.12); }
.blog-mini-card img { width: 100%; height: 175px; object-fit: cover; background: #edf4f9; }
.blog-mini-card > div { padding: 22px; }
.blog-mini-card span { color: var(--blue); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.blog-mini-card h3 { margin: 9px 0 10px; font-size: 21px; }
.blog-mini-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
@media (max-width: 900px) {
  .blog-teaser-head { align-items: flex-start; flex-direction: column; }
  .blog-teaser-grid { grid-template-columns: 1fr; }
  .blog-mini-card { display: grid; grid-template-columns: 160px 1fr; }
  .blog-mini-card img { height: 100%; min-height: 165px; }
}
@media (max-width: 560px) {
  .blog-mini-card { display: block; }
  .blog-mini-card img { height: 180px; }
}

/* Legal disclaimer and terms link */
.legal-disclaimer { grid-column: 1 / -1; margin: 0; max-width: 980px; color: #727a83; font-size: 10px; line-height: 1.55; }
.terms-link { grid-column: 1 / -1; width: fit-content; color: #5d6570; font-size: 11px; text-decoration: underline; text-underline-offset: 3px; }
.terms-link:hover { color: #075ca8; }