:root {
  --green: #14aa7b;
  --green-bright: #6fe0bb;
  --green-dark: #087a59;
  --green-deep: #07372d;
  --ink: #14231f;
  --muted: #63756e;
  --line: #d7e5df;
  --soft: #eef7f3;
  --paper: #ffffff;
  --shadow: 0 24px 70px rgba(7, 55, 45, .14);
  --radius: 30px;
  --container: 1180px;
}

* { 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;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
a, img {
  -webkit-user-drag: none;
  user-drag: none;
}
button, input, textarea, select { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 10px 16px; color: #fff; background: var(--green-deep); border-radius: 10px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(215, 229, 223, .75);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(18px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 190px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.main-nav a { color: #41564f; font-size: 15px; font-weight: 700; text-decoration: none; }
.main-nav a:hover, .main-nav a:focus-visible { color: var(--green-dark); }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  color: #fff;
  background: var(--green-dark);
  border: 1px solid var(--green-dark);
  border-radius: 999px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(8, 122, 89, .22); background: #056c4d; }
.button--small { min-height: 42px; padding-inline: 19px; font-size: 14px; }
.header-contact-icon { display: none; font-size: 19px; line-height: 1; transform: rotate(-28deg); }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--green-dark); font-weight: 800; text-decoration: none; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100svh - 76px);
  padding: 72px 0 70px;
  background:
    radial-gradient(circle at 84% 25%, rgba(20, 170, 123, .13), transparent 30%),
    linear-gradient(145deg, #fff 45%, #eff8f4);
}
.hero::before { content: ""; position: absolute; top: -180px; right: -160px; width: 520px; height: 520px; border: 1px solid rgba(20,170,123,.12); border-radius: 50%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, .92fr) minmax(500px, 1.08fr); gap: 42px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--green-dark); font-size: 13px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.035em; }
h1 { max-width: 720px; margin-bottom: 24px; font-size: clamp(44px, 4.4vw, 66px); line-height: .98; }
h1 span { color: var(--green-dark); }
h2 { margin-bottom: 20px; font-size: clamp(36px, 4vw, 56px); line-height: 1.03; }
h3 { margin-bottom: 8px; font-size: 23px; line-height: 1.15; }
.hero-lead { max-width: 650px; margin-bottom: 30px; color: #425a51; font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 30px; margin: 44px 0 0; padding: 30px 0 0; border-top: 1px solid var(--line); list-style: none; }
.hero-facts li { display: flex; align-items: center; gap: 12px; }
.hero-facts strong { color: var(--green-dark); font-size: 34px; line-height: 1; }
.hero-facts span { color: var(--muted); font-size: 13px; font-weight: 700; line-height: 1.2; }

.product-viewer {
  position: relative;
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(20, 170, 123, .13);
  border-radius: 44px;
  background: rgba(255,255,255,.62);
  box-shadow: var(--shadow);
  cursor: ew-resize;
  touch-action: pan-y;
  outline: none;
}
.product-viewer.is-dragging { cursor: grabbing; }
.product-viewer:focus-visible { box-shadow: 0 0 0 4px rgba(20,170,123,.22), var(--shadow); }
.product-viewer video { position: relative; z-index: 2; width: 100%; height: 100%; object-fit: cover; pointer-events: none; filter: drop-shadow(0 30px 28px rgba(7, 55, 45, .15)); }
.viewer-glow { position: absolute; width: 470px; height: 470px; border-radius: 50%; background: radial-gradient(circle, rgba(20,170,123,.17), rgba(20,170,123,0) 68%); }
.viewer-hint { position: absolute; right: 24px; bottom: 22px; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 10px 15px; color: #34534a; border: 1px solid rgba(20,170,123,.16); border-radius: 999px; background: rgba(255,255,255,.88); font-size: 12px; font-weight: 750; backdrop-filter: blur(12px); transition: opacity .35s ease, transform .35s ease; }
.viewer-hint.is-hidden { opacity: 0; transform: translateY(8px); pointer-events: none; }
.viewer-arrows { color: var(--green-dark); font-size: 17px; }
.viewer-hint-touch { display: none; }
.product-viewer noscript img { width: 100%; height: 100%; object-fit: contain; }

.section { padding: 110px 0; }
.section--soft { background: var(--soft); }
.section--dark { color: #fff; background: radial-gradient(circle at 85% 20%, rgba(20,170,123,.23), transparent 31%), var(--green-deep); }
.section-head { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; align-items: end; margin-bottom: 56px; }
.section-head h2 { max-width: 760px; margin-bottom: 0; }
.section-head > p { margin-bottom: 8px; color: var(--muted); font-size: 19px; }
.system-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.system-grid article { display: grid; grid-template-columns: 40px 1fr; grid-template-rows: auto auto; column-gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.8); }
.system-grid article span { grid-row: 1 / 3; align-self: center; display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center; color: #fff; border-radius: 50%; background: var(--green); font-size: 13px; font-weight: 900; }
.system-grid article h3 { grid-column: 2; margin-bottom: 4px; }
.system-grid article p { grid-column: 2; margin-bottom: 0; color: var(--muted); }

.logic-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 70px; align-items: center; }
.logic-copy > p:not(.eyebrow) { max-width: 580px; color: var(--muted); font-size: 19px; }
.logic-example { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 32px; padding: 30px; color: #fff; border-radius: 28px; background: var(--green-deep); }
.logic-example small { color: var(--green-bright); font-weight: 900; letter-spacing: .12em; }
.logic-example strong { padding: 9px 12px; border-radius: 10px; background: rgba(255,255,255,.09); }
.logic-example b { width: 100%; color: var(--green-bright); font-size: 30px; }
.logic-example em { font-size: 24px; font-style: normal; font-weight: 900; }
.product-card { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.product-card img { width: 100%; height: auto; object-fit: contain; background: linear-gradient(145deg, #fff, var(--soft)); }
.product-card figcaption { display: grid; gap: 4px; padding: 24px 28px; border-top: 1px solid var(--line); }
.product-card figcaption strong { color: var(--green-dark); font-size: 20px; }
.product-card figcaption span { color: var(--muted); }

.specs-grid { display: grid; grid-template-columns: 1fr .95fr; gap: 80px; align-items: center; }
.section--dark .eyebrow { color: var(--green-bright); }
.specs-copy > p:not(.eyebrow) { max-width: 640px; color: #c5d9d2; font-size: 19px; }
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 34px; margin-top: 36px; }
.spec-list div { display: grid; grid-template-columns: 1.12fr .88fr; gap: 12px; padding: 15px 0; border-top: 1px solid rgba(255,255,255,.15); }
.spec-list dt { color: #a8c4ba; }
.spec-list dd { margin: 0; font-weight: 850; }
.spec-product { position: relative; aspect-ratio: 1672 / 941; display: grid; place-items: center; overflow: hidden; margin: 0; border-radius: 38px; background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,.13); }
.spec-product img { width: 100%; height: 100%; object-fit: cover; filter: drop-shadow(0 30px 28px rgba(0,0,0,.28)); }
.safety-note { margin-top: 56px; padding: 18px 22px; color: #c6d9d2; border-left: 5px solid var(--green-bright); background: rgba(255,255,255,.06); border-radius: 0 14px 14px 0; font-size: 14px; }
.safety-note strong { color: #fff; }

.interface-section { background: linear-gradient(155deg, #fff 55%, var(--soft)); }
.interface-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; align-items: center; }
.interface-shot { overflow: hidden; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.browser-bar { height: 46px; display: flex; align-items: center; gap: 8px; padding: 0 18px; color: var(--muted); border-bottom: 1px solid var(--line); background: #eff4f2; font-size: 13px; }
.browser-bar i { width: 11px; height: 11px; border-radius: 50%; background: #bdccc6; }
.browser-bar span { margin-left: 8px; }
.interface-shot img { width: 100%; height: auto; object-fit: contain; }
.interface-copy > p:not(.eyebrow) { color: var(--muted); font-size: 19px; }
.steps { margin: 32px 0 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 46px 1fr; gap: 16px; align-items: center; padding: 17px 0; border-top: 1px solid var(--line); }
.steps li > span { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; color: #fff; border-radius: 50%; background: var(--green); font-weight: 900; }
.steps p { margin: 0; color: var(--muted); }
.steps strong { display: block; color: var(--ink); font-size: 18px; }

.downloads-section { background: var(--soft); }
.downloads-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: center; }
.downloads-lead { max-width: 520px; color: var(--muted); font-size: 19px; }
.download-list { display: grid; gap: 16px; }
.download-card { display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; min-height: 120px; padding: 22px; color: var(--ink); border: 1px solid var(--line); border-radius: 24px; background: #fff; text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.download-card:hover { transform: translateY(-3px); border-color: rgba(20,170,123,.45); box-shadow: 0 18px 45px rgba(7,55,45,.1); }
.file-mark { display: inline-flex; width: 56px; height: 56px; align-items: center; justify-content: center; color: #fff; border-radius: 16px; background: var(--green-dark); font-size: 12px; font-weight: 900; }
.download-card > span:nth-child(2) { display: grid; gap: 3px; }
.download-card strong { font-size: 20px; }
.download-card small { color: var(--muted); font-size: 14px; }
.download-card b { color: var(--green-dark); font-size: 30px; }

.contact-section { padding: 90px 0; color: #fff; background: var(--green-deep); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.contact-grid .eyebrow { color: var(--green-bright); }
.contact-grid h2 { margin-bottom: 12px; }
.contact-grid p:not(.eyebrow) { margin-bottom: 0; color: #bed3cb; }
.contact-links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-links a { display: grid; gap: 5px; min-height: 116px; align-content: center; padding: 22px; border: 1px solid rgba(255,255,255,.16); border-radius: 22px; background: rgba(255,255,255,.06); text-decoration: none; transition: background .2s ease, transform .2s ease; }
.contact-links a:hover { transform: translateY(-2px); background: rgba(255,255,255,.1); }
.contact-links small { color: #9fc1b5; }
.contact-links strong { font-size: 19px; overflow-wrap: anywhere; }

.site-footer { padding: 32px 0; color: #6e8079; background: #f7faf9; }
.footer-inner { display: flex; align-items: center; gap: 28px; }
.footer-inner img { width: 160px; }
.footer-inner p { margin: 0; font-size: 13px; }
.footer-inner p:last-child { margin-left: auto; }

@media (max-width: 1020px) {
  .main-nav { display: none; }
  .hero { padding-top: 54px; }
  .hero-grid, .logic-grid, .specs-grid, .interface-grid, .downloads-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 0; }
  .hero-copy { display: contents; }
  .hero-copy .eyebrow { order: 1; }
  .hero-copy h1 { order: 2; margin-bottom: 34px; }
  .product-viewer { order: 3; margin-bottom: 34px; }
  .hero-lead { order: 4; }
  .hero-actions { order: 5; }
  .hero-facts { order: 6; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .system-grid { grid-template-columns: repeat(2, 1fr); }
  .logic-grid, .specs-grid, .interface-grid, .downloads-grid, .contact-grid { gap: 48px; }
  .spec-product img { width: 100%; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .header-inner { min-height: 66px; }
  .brand img { width: 165px; }
  .header-contact { width: 42px; min-width: 42px; height: 42px; min-height: 42px; padding: 0; }
  .header-contact-text { display: none; }
  .header-contact-icon { display: block; }
  .hero { min-height: auto; padding: 48px 0 56px; }
  h1 { font-size: clamp(38px, 10.5vw, 52px); }
  h2 { font-size: 38px; }
  .hero-lead, .section-head > p, .logic-copy > p:not(.eyebrow), .specs-copy > p:not(.eyebrow), .interface-copy > p:not(.eyebrow), .downloads-lead { font-size: 17px; }
  .hero-facts { gap: 22px; }
  .hero-facts li { min-width: 120px; }
  .product-viewer { border-radius: 28px; }
  .viewer-hint { right: 12px; bottom: 12px; }
  .section { padding: 76px 0; }
  .system-grid { grid-template-columns: 1fr; }
  .logic-example { padding: 22px; }
  .spec-list { grid-template-columns: 1fr; }
  .downloads-grid { gap: 34px; }
  .download-card { grid-template-columns: auto 1fr; }
  .download-card b { display: none; }
  .contact-links { grid-template-columns: 1fr; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 12px; }
  .footer-inner p:last-child { margin-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

@media (hover: none), (pointer: coarse) {
  .viewer-hint-desktop { display: none; }
  .viewer-hint-touch { display: inline; }
}