:root {
  --ink: #071b23;
  --ink-deep: #041218;
  --ink-soft: #102b34;
  --paper: #f2eee6;
  --paper-light: #faf8f3;
  --text: #14252b;
  --muted: #6d797a;
  --teal: #64d7c7;
  --teal-deep: #178a7d;
  --orange: #ff6b3d;
  --orange-dark: #cf4822;
  --line: rgba(20, 37, 43, 0.14);
  --line-light: rgba(255, 255, 255, 0.14);
  --white: #fffdf8;
  --serif: "Songti SC", "STSong", "Noto Serif CJK SC", Georgia, serif;
  --sans: "Avenir Next", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", Menlo, monospace;
  --container: 1240px;
  --header-height: 74px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body.nav-open { overflow: hidden; }
button, input, select { color: inherit; font: inherit; }
button { border: 0; cursor: pointer; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
figure, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--orange); color: white; }

.site-shell { min-width: 320px; overflow: clip; }
.container { width: min(calc(100% - 80px), var(--container)); margin: 0 auto; }
.section { padding: 132px 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 14px; background: var(--white); color: var(--ink); transform: translateY(-150%); transition: transform 0.2s; }
.skip-link:focus { transform: none; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 20px; color: var(--orange-dark); font-size: 11px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
.eyebrow > span { width: 28px; height: 1px; background: currentColor; }
.eyebrow-light { color: var(--teal); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr); align-items: end; gap: 80px; margin-bottom: 68px; }
.section-heading h2, .showcase-heading h2, .terminal-content h2, .contact-copy h2, .workflow-intro h2 { margin: 0; font-family: var(--serif); font-size: clamp(42px, 4.2vw, 62px); font-weight: 600; letter-spacing: -0.055em; line-height: 1.16; }
.section-heading h2 span, .showcase-heading h2 span, .terminal-content h2 span, .contact-copy h2 span, .workflow-intro h2 span { color: var(--orange); }
.section-heading > p, .showcase-heading > p { max-width: 440px; margin: 0 0 4px; color: var(--muted); font-size: 14px; line-height: 1.95; }

.site-header { position: absolute; z-index: 30; top: 0; right: 0; left: 0; height: var(--header-height); color: var(--white); transition: background 0.3s, box-shadow 0.3s; }
.site-header.is-fixed { position: fixed; top: 0; background: rgba(4, 18, 24, 0.9); box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08); backdrop-filter: blur(18px); }
.header-inner { display: flex; align-items: center; height: 100%; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; overflow: hidden; border-radius: 11px; background: rgba(255, 255, 255, 0.1); }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-name { display: flex; flex-direction: column; gap: 3px; }
.brand-name strong { font-size: 17px; letter-spacing: 0.14em; line-height: 1; }
.brand-name small { color: rgba(255, 255, 255, 0.58); font-size: 9px; letter-spacing: 0.08em; }
.main-nav { display: flex; align-items: center; gap: 34px; margin-left: auto; color: rgba(255, 255, 255, 0.66); font-size: 12px; }
.main-nav a { position: relative; padding: 10px 0; transition: color 0.2s; }
.main-nav a::after { position: absolute; right: 0; bottom: 3px; left: 0; height: 1px; background: var(--teal); content: ""; transform: scaleX(0); transform-origin: right; transition: transform 0.3s var(--ease); }
.main-nav a:hover, .main-nav a.is-active { color: var(--white); }
.main-nav a:hover::after, .main-nav a.is-active::after { transform: scaleX(1); transform-origin: left; }
.header-cta { display: inline-flex; align-items: center; gap: 12px; min-height: 40px; margin-left: 38px; padding: 0 17px; border: 1px solid rgba(255, 255, 255, 0.35); font-size: 11px; font-weight: 800; transition: background 0.2s, border-color 0.2s, color 0.2s; }
.header-cta:hover { border-color: var(--teal); background: var(--teal); color: var(--ink); }
.menu-button { display: none; width: 44px; height: 44px; margin-left: auto; background: transparent; }
.menu-button span { display: block; width: 22px; height: 1px; margin: 6px auto; background: var(--white); transition: transform 0.3s var(--ease); }

.hero { position: relative; min-height: 860px; background: var(--ink); color: var(--white); }
.hero::before { position: absolute; inset: 0; background: radial-gradient(circle at 17% 12%, rgba(100, 215, 199, 0.1), transparent 28%), linear-gradient(145deg, rgba(255, 107, 61, 0.04), transparent 34%); content: ""; }
.hero-grid, .contact-grid-bg { position: absolute; inset: 0; opacity: 0.24; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(90deg, black, transparent 72%); }
.hero-glow { position: absolute; top: 18%; right: 1%; width: 45vw; height: 45vw; border-radius: 50%; background: rgba(59, 186, 171, 0.12); filter: blur(100px); }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 45% 55%; align-items: center; min-height: 790px; padding-top: 112px; }
.hero-copy { position: relative; z-index: 3; padding: 40px 0 42px; }
.hero-copy h1 { max-width: 660px; margin: 0; font-family: var(--serif); font-size: clamp(54px, 5.3vw, 76px); font-weight: 600; letter-spacing: -0.065em; line-height: 1.1; }
.hero-copy h1 span { position: relative; color: var(--teal); }
.hero-copy h1 span::after { position: absolute; right: 0; bottom: 2px; left: 0; height: 5px; background: var(--orange); content: ""; transform: scaleX(0.94) skewX(-20deg); transform-origin: left; }
.hero-lead { max-width: 570px; margin: 30px 0 34px; color: rgba(255, 255, 255, 0.62); font-size: 15px; line-height: 1.95; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 0 21px; font-size: 12px; font-weight: 800; letter-spacing: 0.03em; transition: transform 0.25s var(--ease), background 0.2s, color 0.2s; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--orange); color: white; box-shadow: 0 12px 35px rgba(255, 107, 61, 0.2); }
.button-primary:hover { background: #ff7b52; }
.button-ghost { border: 1px solid rgba(255, 255, 255, 0.24); color: rgba(255, 255, 255, 0.8); }
.button-ghost:hover { border-color: var(--teal); color: var(--teal); }
.play-icon { display: grid; place-items: center; width: 22px; height: 22px; border: 1px solid currentColor; border-radius: 50%; font-size: 7px; }
.hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); max-width: 570px; margin-top: 58px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.13); }
.hero-facts div + div { padding-left: 18px; border-left: 1px solid rgba(255, 255, 255, 0.11); }
.hero-facts dt { color: var(--white); font-family: var(--serif); font-size: 32px; line-height: 1; }
.hero-facts sup { color: var(--teal); font-family: var(--sans); font-size: 12px; }
.hero-facts dd { margin-top: 9px; color: rgba(255, 255, 255, 0.42); font-size: 10px; letter-spacing: 0.06em; }
.hero-visual { position: relative; height: 620px; margin-right: -12%; margin-left: -3%; }
.visual-orbit { position: absolute; border: 1px solid rgba(100, 215, 199, 0.12); border-radius: 50%; }
.orbit-one { top: 2%; right: -6%; width: 590px; height: 590px; }
.orbit-two { top: 14%; right: 7%; width: 430px; height: 430px; border-color: rgba(255, 107, 61, 0.11); }
.command-window { position: absolute; z-index: 2; top: 60px; right: 0; width: 91%; overflow: hidden; border: 1px solid rgba(126, 220, 207, 0.24); background: #091a24; box-shadow: 0 45px 80px rgba(0, 0, 0, 0.4); transform: perspective(1300px) rotateY(-4deg) rotateX(1deg); transform-origin: right center; }
.window-bar { display: flex; align-items: center; justify-content: space-between; height: 36px; padding: 0 14px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); color: rgba(255, 255, 255, 0.45); font-family: var(--mono); font-size: 8px; letter-spacing: 0.13em; }
.window-brand { display: flex; align-items: center; gap: 8px; }
.window-brand span { width: 7px; height: 7px; background: var(--orange); }
.window-status { display: flex; align-items: center; gap: 6px; }
.window-status i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(100, 215, 199, 0.1); }
.command-window figure { aspect-ratio: 1272 / 720; overflow: hidden; }
.command-window img { width: 100%; height: 100%; object-fit: cover; }
.terminal-window { position: absolute; z-index: 4; right: 3%; bottom: 16px; width: 34%; padding: 9px; border: 1px solid rgba(255, 255, 255, 0.32); border-radius: 17px; background: #dfe8ee; box-shadow: 0 30px 50px rgba(0, 0, 0, 0.35); transform: rotate(2.4deg); }
.terminal-window::after { position: absolute; inset: -10px; z-index: -1; border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 23px; content: ""; }
.terminal-window img { width: 100%; aspect-ratio: 3 / 2; border-radius: 9px; object-fit: cover; object-position: 50% 10%; }
.terminal-camera { width: 20px; height: 3px; margin: -2px auto 6px; border-radius: 10px; background: rgba(7, 27, 35, 0.24); }
.signal-card { position: absolute; z-index: 5; display: flex; align-items: center; gap: 10px; padding: 10px 13px; border: 1px solid rgba(255, 255, 255, 0.16); background: rgba(6, 27, 35, 0.83); box-shadow: 0 16px 35px rgba(0, 0, 0, 0.25); backdrop-filter: blur(12px); }
.signal-card b, .signal-card small { display: block; }
.signal-card b { font-size: 10px; }
.signal-card small { margin-top: 4px; color: rgba(255, 255, 255, 0.38); font-size: 8px; }
.signal-online { top: 42%; left: -2%; }
.signal-online > i { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 6px rgba(100, 215, 199, 0.1); }
.hero-foot { position: absolute; z-index: 3; right: 0; bottom: 22px; left: 0; display: flex; align-items: center; justify-content: space-between; color: rgba(255, 255, 255, 0.28); font-family: var(--mono); font-size: 8px; letter-spacing: 0.13em; }
.hero-foot a { display: flex; align-items: center; gap: 12px; }
.hero-foot a i { width: 56px; height: 1px; background: rgba(255, 255, 255, 0.22); }

.value-strip { border-bottom: 1px solid var(--line); background: var(--paper-light); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.value-grid > div { position: relative; min-height: 126px; padding: 34px 24px 26px 42px; }
.value-grid > div + div { border-left: 1px solid var(--line); }
.value-grid span { position: absolute; top: 38px; left: 0; color: var(--orange-dark); font-family: var(--mono); font-size: 9px; transform: rotate(-90deg); }
.value-grid strong, .value-grid small { display: block; }
.value-grid strong { font-family: var(--serif); font-size: 18px; }
.value-grid small { margin-top: 9px; color: var(--muted); font-size: 10px; }

.solution { background: var(--paper); }
.capability-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.capability-card { position: relative; min-height: 312px; padding: 30px 34px; overflow: hidden; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.34); }
.capability-card::after { position: absolute; right: -80px; bottom: -80px; width: 190px; height: 190px; border: 1px solid var(--line); border-radius: 50%; content: ""; transition: transform 0.5s var(--ease); }
.capability-card:hover::after { transform: scale(1.18); }
.capability-lead { grid-row: span 2; min-height: 638px; background: var(--ink); color: var(--white); }
.accent-card { background: var(--orange); color: white; }
.accent-card::after { border-color: rgba(255, 255, 255, 0.28); }
.card-index { position: relative; z-index: 2; color: var(--orange-dark); font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; }
.capability-lead .card-index { color: var(--teal); }
.accent-card .card-index { color: rgba(255, 255, 255, 0.66); }
.capability-card h3 { position: relative; z-index: 2; max-width: 420px; margin: 74px 0 16px; font-family: var(--serif); font-size: 29px; font-weight: 600; letter-spacing: -0.04em; }
.capability-card > p, .card-copy > p { position: relative; z-index: 2; max-width: 470px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.accent-card > p { color: rgba(255, 255, 255, 0.72); }
.line-icon { position: absolute; top: 25px; right: 30px; color: var(--teal-deep); font-family: var(--serif); font-size: 54px; font-weight: 300; }
.accent-card .line-icon { color: white; }
.radar { position: absolute; top: 70px; right: 38px; width: 290px; height: 290px; border: 1px solid rgba(100, 215, 199, 0.18); border-radius: 50%; }
.radar::before, .radar::after, .radar i { position: absolute; border: 1px solid rgba(100, 215, 199, 0.13); border-radius: 50%; content: ""; }
.radar::before { inset: 36px; }
.radar::after { inset: 75px; }
.radar i:nth-child(1) { top: 50%; right: 0; left: 0; border-width: 1px 0 0; border-radius: 0; }
.radar i:nth-child(2) { top: 0; bottom: 0; left: 50%; border-width: 0 0 0 1px; border-radius: 0; }
.radar i:nth-child(3) { top: 29%; left: 34%; width: 8px; height: 8px; border: 0; background: var(--orange); box-shadow: 0 0 0 6px rgba(255, 107, 61, 0.12); }
.radar span { position: absolute; inset: 50% 50% 0 0; background: linear-gradient(40deg, rgba(100, 215, 199, 0.24), transparent 60%); transform-origin: right top; animation: sweep 7s linear infinite; }
.card-copy { position: absolute; right: 34px; bottom: 34px; left: 34px; }
.card-copy h3 { margin: 0 0 16px; }
.card-copy > p { color: rgba(255, 255, 255, 0.52); }
.card-copy ul { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 25px; }
.card-copy li { padding: 7px 10px; border: 1px solid rgba(100, 215, 199, 0.22); color: var(--teal); font-size: 9px; }
@keyframes sweep { to { transform: rotate(360deg); } }

.workflow { background: var(--ink); color: var(--white); }
.workflow-layout { display: grid; grid-template-columns: 38% 62%; gap: 100px; align-items: start; }
.workflow-intro { position: sticky; top: 120px; }
.workflow-intro h2 { font-size: clamp(42px, 4.3vw, 60px); }
.workflow-intro > p:not(.eyebrow) { max-width: 420px; margin: 28px 0 0; color: rgba(255, 255, 255, 0.52); font-size: 14px; line-height: 1.95; }
.workflow-progress { display: grid; grid-template-columns: 120px auto 1fr; align-items: center; gap: 13px; margin-top: 52px; color: var(--teal); }
.workflow-progress i { height: 2px; background: linear-gradient(90deg, var(--orange) 0 18%, var(--teal) 18%); }
.workflow-progress span { font-family: var(--mono); font-size: 10px; }
.workflow-progress small { color: rgba(255, 255, 255, 0.32); font-size: 9px; }
.workflow-list { border-top: 1px solid var(--line-light); }
.workflow-list li { display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 28px; min-height: 104px; border-bottom: 1px solid var(--line-light); transition: padding 0.35s var(--ease), background 0.25s; }
.workflow-list li:hover { padding: 0 18px; background: rgba(255, 255, 255, 0.035); }
.workflow-list > li > span { color: var(--orange); font-family: var(--serif); font-size: 22px; }
.workflow-list b, .workflow-list small { display: block; }
.workflow-list b { font-family: var(--serif); font-size: 20px; }
.workflow-list small { margin-top: 7px; color: rgba(255, 255, 255, 0.38); font-size: 10px; }
.workflow-list > li > i { color: rgba(100, 215, 199, 0.44); font-family: var(--mono); font-size: 8px; font-style: normal; letter-spacing: 0.14em; }

.showcase { background: var(--ink-deep); color: var(--white); }
.showcase-heading { display: grid; grid-template-columns: 1.3fr 0.7fr; align-items: end; gap: 80px; margin-bottom: 60px; }
.showcase-heading > p { color: rgba(255, 255, 255, 0.44); }
.product-stage { display: grid; grid-template-columns: 210px 1fr; border: 1px solid rgba(255, 255, 255, 0.14); background: #0a2028; box-shadow: 0 45px 90px rgba(0, 0, 0, 0.28); }
.product-tabs { border-right: 1px solid rgba(255, 255, 255, 0.12); }
.product-tab { position: relative; display: grid; grid-template-columns: 32px 1fr; grid-template-rows: auto auto; width: 100%; min-height: 98px; padding: 24px 18px; background: transparent; color: rgba(255, 255, 255, 0.46); text-align: left; transition: color 0.25s, background 0.25s; }
.product-tab + .product-tab { border-top: 1px solid rgba(255, 255, 255, 0.09); }
.product-tab::after { position: absolute; top: 0; right: -1px; bottom: 0; width: 2px; background: var(--orange); content: ""; transform: scaleY(0); transition: transform 0.3s var(--ease); }
.product-tab span { grid-row: 1 / 3; color: rgba(100, 215, 199, 0.5); font-family: var(--mono); font-size: 9px; }
.product-tab b { color: inherit; font-size: 12px; }
.product-tab small { margin-top: 6px; color: rgba(255, 255, 255, 0.28); font-size: 9px; }
.product-tab:hover, .product-tab.is-active { background: rgba(255, 255, 255, 0.04); color: var(--white); }
.product-tab.is-active::after { transform: scaleY(1); }
.product-screen { min-width: 0; padding: 34px 34px 28px; }
.product-screen-top { display: flex; align-items: start; justify-content: space-between; gap: 25px; }
.product-screen-top p { margin: 0 0 10px; color: var(--teal); font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; }
.product-screen-top h3 { margin: 0; font-family: var(--serif); font-size: 30px; font-weight: 600; letter-spacing: -0.03em; }
.live-badge { display: flex; align-items: center; gap: 8px; margin-top: 4px; padding: 6px 8px; border: 1px solid rgba(100, 215, 199, 0.22); color: rgba(255, 255, 255, 0.42); font-family: var(--mono); font-size: 7px; }
.live-badge i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
.product-description { max-width: 690px; margin: 14px 0 24px; color: rgba(255, 255, 255, 0.43); font-size: 11px; line-height: 1.8; }
.product-image { overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.15); background: var(--ink); }
.product-image img { width: 100%; aspect-ratio: 1272 / 716; object-fit: cover; transition: opacity 0.2s, transform 0.65s var(--ease); }
.product-image:hover img { transform: scale(1.012); }
.product-image img.is-switching { opacity: 0; }
.product-image figcaption { display: flex; justify-content: space-between; gap: 20px; padding: 11px 13px; color: rgba(255, 255, 255, 0.26); font-family: var(--mono); font-size: 7px; letter-spacing: 0.1em; }

.terminal { background: var(--paper-light); }
.terminal-layout { display: grid; grid-template-columns: 53% 47%; align-items: center; gap: 80px; }
.terminal-gallery { position: relative; min-width: 0; padding: 66px 0 70px; }
.terminal-gallery::before { position: absolute; inset: 0 7% 0 0; border-radius: 50%; background: radial-gradient(circle at center, rgba(23, 138, 125, 0.15), transparent 64%); content: ""; }
.tablet-frame { position: relative; width: 95%; padding: 12px; border: 1px solid rgba(7, 27, 35, 0.3); border-radius: 25px; background: #ecf0f2; box-shadow: 0 40px 70px rgba(14, 40, 48, 0.16); transform: rotate(-2deg); }
.tablet-frame::before { position: absolute; inset: -9px; z-index: -1; border: 1px solid rgba(7, 27, 35, 0.08); border-radius: 31px; content: ""; }
.tablet-frame figure { aspect-ratio: 3 / 2; overflow: hidden; border-radius: 14px; background: #eaf1f7; }
.tablet-frame img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 10%; transition: opacity 0.2s; }
.tablet-frame img.is-switching { opacity: 0; }
.tablet-camera { width: 28px; height: 4px; margin: -4px auto 7px; border-radius: 10px; background: rgba(7, 27, 35, 0.22); }
.terminal-state { position: absolute; right: 1%; bottom: 35px; display: flex; align-items: center; gap: 12px; padding: 13px 16px; border: 1px solid var(--line); background: rgba(255, 253, 248, 0.9); box-shadow: 0 18px 35px rgba(7, 27, 35, 0.12); backdrop-filter: blur(12px); }
.terminal-state > i { width: 8px; height: 8px; border-radius: 50%; background: var(--teal-deep); box-shadow: 0 0 0 6px rgba(23, 138, 125, 0.1); }
.terminal-state b, .terminal-state small { display: block; }
.terminal-state b { font-size: 10px; }
.terminal-state small { margin-top: 4px; color: var(--muted); font-size: 8px; }
.terminal-content h2 { font-size: clamp(42px, 4.1vw, 58px); }
.terminal-lead { max-width: 520px; margin: 26px 0 34px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.terminal-tabs { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 28px; }
.terminal-tabs button { min-height: 39px; padding: 0 14px; border: 1px solid var(--line); background: transparent; color: var(--muted); font-size: 10px; }
.terminal-tabs button:hover, .terminal-tabs button.is-active { border-color: var(--ink); background: var(--ink); color: var(--white); }
.terminal-detail { display: grid; grid-template-columns: 44px 1fr; gap: 20px; padding: 25px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.detail-number { color: var(--orange-dark); font-family: var(--serif); font-size: 24px; }
.terminal-detail h3 { margin: 0 0 9px; font-family: var(--serif); font-size: 22px; }
.terminal-detail p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.terminal-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.terminal-tags li { padding: 7px 10px; background: rgba(23, 138, 125, 0.08); color: var(--teal-deep); font-size: 9px; }

.deployment { background: var(--paper); }
.architecture { display: grid; grid-template-columns: 1fr 72px 1fr 72px 1fr 72px 1fr; align-items: center; padding: 26px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.35); }
.arch-node { position: relative; min-height: 160px; padding: 24px 20px; border: 1px solid var(--line); background: var(--paper-light); }
.arch-node > span { position: absolute; top: 13px; right: 15px; color: #b3b4ae; font-family: var(--mono); font-size: 8px; }
.arch-node > i { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 22px; border-radius: 50%; background: var(--ink); color: var(--teal); font-family: var(--serif); font-size: 17px; font-style: normal; }
.arch-node b, .arch-node small { display: block; }
.arch-node b { font-family: var(--serif); font-size: 17px; }
.arch-node small { margin-top: 8px; color: var(--muted); font-size: 9px; }
.arch-link { display: flex; flex-direction: column; align-items: center; gap: 10px; min-width: 0; }
.arch-link small { color: var(--teal-deep); font-family: var(--mono); font-size: 7px; }
.arch-link i { position: relative; width: 100%; height: 1px; background: var(--line); }
.arch-link i::after { position: absolute; top: -2px; right: 0; width: 5px; height: 5px; border-top: 1px solid var(--teal-deep); border-right: 1px solid var(--teal-deep); content: ""; transform: rotate(45deg); }
.assurance-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.assurance-grid article { min-height: 225px; padding: 32px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.2); }
.assurance-grid span { color: var(--orange-dark); font-family: var(--mono); font-size: 8px; letter-spacing: 0.12em; }
.assurance-grid h3 { margin: 62px 0 13px; font-family: var(--serif); font-size: 21px; }
.assurance-grid p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }

.contact { position: relative; overflow: hidden; padding: 132px 0; background: var(--ink); color: var(--white); }
.contact::after { position: absolute; top: -40%; right: -10%; width: 700px; height: 700px; border-radius: 50%; background: rgba(100, 215, 199, 0.08); content: ""; filter: blur(10px); }
.contact-grid-bg { opacity: 0.16; mask-image: linear-gradient(90deg, black, transparent 70%); }
.contact-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 48% 52%; align-items: center; gap: 100px; }
.contact-copy h2 { font-size: clamp(48px, 5vw, 70px); }
.contact-copy > p:not(.eyebrow) { max-width: 490px; margin: 30px 0; color: rgba(255, 255, 255, 0.5); font-size: 14px; line-height: 1.95; }
.contact-promise { display: flex; flex-wrap: wrap; gap: 16px; color: rgba(255, 255, 255, 0.58); font-size: 9px; }
.contact-form { padding: 38px; background: var(--paper-light); color: var(--text); box-shadow: 0 40px 80px rgba(0, 0, 0, 0.2); }
.form-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.form-heading span { color: var(--orange-dark); font-family: var(--mono); font-size: 8px; letter-spacing: 0.12em; }
.form-heading b { font-family: var(--serif); font-size: 21px; }
.contact-form label { display: grid; gap: 8px; color: #465557; font-size: 10px; }
.contact-form > label, .form-row { margin-bottom: 17px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-form input, .contact-form select { width: 100%; height: 49px; padding: 0 13px; border: 1px solid var(--line); border-radius: 0; outline: none; background: transparent; color: var(--text); font-size: 12px; transition: border-color 0.2s, box-shadow 0.2s; }
.contact-form input:focus, .contact-form select:focus { border-color: var(--teal-deep); box-shadow: 0 0 0 3px rgba(23, 138, 125, 0.09); }
.contact-form input::placeholder { color: #a7aaa6; }
.form-submit { width: 100%; margin-top: 3px; }
.form-note { margin: 12px 0 0; color: #9a9f9d; font-size: 8px; text-align: center; }

.site-footer { padding: 64px 0 25px; background: var(--ink-deep); color: var(--white); }
.footer-top { display: grid; grid-template-columns: 1fr 1fr auto; align-items: start; gap: 70px; padding-bottom: 50px; }
.footer-top > p { margin: 0; color: rgba(255, 255, 255, 0.44); font-family: var(--serif); font-size: 17px; line-height: 1.7; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 13px 32px; color: rgba(255, 255, 255, 0.5); font-size: 10px; }
.footer-links a:hover { color: var(--teal); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, 0.1); color: rgba(255, 255, 255, 0.25); font-family: var(--mono); font-size: 8px; letter-spacing: 0.08em; }
.to-top { position: fixed; z-index: 25; right: 24px; bottom: 24px; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, 0.18); background: rgba(7, 27, 35, 0.82); color: var(--teal); opacity: 0; pointer-events: none; transform: translateY(12px); backdrop-filter: blur(12px); transition: opacity 0.25s, transform 0.25s; }
.to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }
.toast { position: fixed; z-index: 100; right: 24px; bottom: 78px; max-width: min(360px, calc(100% - 48px)); padding: 14px 18px; background: var(--teal); color: var(--ink); font-size: 11px; font-weight: 800; opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity 0.25s, transform 0.25s; }
.toast.is-visible { opacity: 1; transform: none; }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-delay { transition-delay: 0.13s; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 1120px) {
  .container { width: min(calc(100% - 56px), var(--container)); }
  .hero-layout { grid-template-columns: 48% 52%; }
  .hero-visual { height: 560px; margin-right: -18%; }
  .command-window { width: 96%; }
  .workflow-layout { gap: 65px; }
  .terminal-layout, .contact-layout { gap: 60px; }
  .architecture { padding: 18px; }
  .arch-node { padding: 20px 15px; }
}

@media (max-width: 860px) {
  :root { --header-height: 66px; }
  .container { width: min(calc(100% - 40px), var(--container)); }
  .section { padding: 96px 0; }
  .main-nav { position: fixed; z-index: 40; top: 0; right: 0; bottom: 0; left: 0; display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 0; padding: 100px 34px; background: rgba(4, 18, 24, 0.98); opacity: 0; pointer-events: none; transform: translateY(-12px); transition: opacity 0.3s, transform 0.3s; }
  .main-nav a { padding: 18px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); font-family: var(--serif); font-size: 21px; }
  .main-nav a::after { display: none; }
  .header-cta { display: none; }
  .menu-button { position: relative; z-index: 50; display: block; }
  .nav-open .main-nav { opacity: 1; pointer-events: auto; transform: none; }
  .nav-open .menu-button span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-open .menu-button span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .hero { min-height: auto; padding-bottom: 88px; }
  .hero-layout { display: block; min-height: auto; padding-top: 132px; }
  .hero-copy { padding: 20px 0 28px; }
  .hero-copy h1 { max-width: 690px; font-size: clamp(49px, 9vw, 68px); }
  .hero-lead { max-width: 650px; }
  .hero-visual { height: 540px; margin: 12px -10% 0 0; }
  .command-window { right: 0; width: 89%; }
  .signal-online { left: 1%; }
  .hero-foot { display: none; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .value-grid > div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .value-grid > div:nth-child(4) { border-top: 1px solid var(--line); }
  .section-heading, .showcase-heading { grid-template-columns: 1fr; gap: 25px; margin-bottom: 50px; }
  .section-heading > p, .showcase-heading > p { max-width: 620px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-lead { grid-row: auto; min-height: 590px; }
  .workflow-layout { grid-template-columns: 1fr; gap: 58px; }
  .workflow-intro { position: static; }
  .workflow-intro > p:not(.eyebrow) { max-width: 620px; }
  .product-stage { grid-template-columns: 1fr; }
  .product-tabs { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.12); scrollbar-width: none; scroll-snap-type: x mandatory; }
  .product-tabs::-webkit-scrollbar { display: none; }
  .product-tab { flex: 0 0 170px; min-height: 82px; scroll-snap-align: start; }
  .product-tab + .product-tab { border-top: 0; border-left: 1px solid rgba(255, 255, 255, 0.09); }
  .product-tab::after { top: auto; right: 0; bottom: -1px; left: 0; width: auto; height: 2px; transform: scaleX(0); }
  .product-tab.is-active::after { transform: scaleX(1); }
  .terminal-layout { grid-template-columns: 1fr; gap: 30px; }
  .terminal-gallery { max-width: 720px; padding-top: 20px; }
  .terminal-content { max-width: 700px; }
  .architecture { grid-template-columns: 1fr 42px 1fr; row-gap: 20px; }
  .architecture > .arch-node:nth-child(5) { grid-column: 1; grid-row: 3; }
  .architecture > .arch-link:nth-child(6) { grid-column: 2; grid-row: 3; }
  .architecture > .arch-node:nth-child(7) { grid-column: 3; grid-row: 3; }
  .architecture > .arch-link:nth-child(4) { display: none; }
  .assurance-grid { grid-template-columns: 1fr; }
  .assurance-grid article { min-height: 190px; }
  .assurance-grid h3 { margin-top: 45px; }
  .contact-layout { grid-template-columns: 1fr; gap: 55px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-links { display: none; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 72px; }
  body { overflow-x: hidden; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 68px 0; }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; }
  .brand-name strong { font-size: 15px; }
  .brand-name small { font-size: 8px; }
  .eyebrow { gap: 8px; margin-bottom: 14px; font-size: 9px; letter-spacing: 0.12em; }
  .eyebrow > span { width: 22px; }
  .section-heading h2, .showcase-heading h2, .terminal-content h2, .contact-copy h2, .workflow-intro h2 { font-size: clamp(31px, 8.8vw, 38px); line-height: 1.2; letter-spacing: -0.045em; }
  .section-heading h2 br, .showcase-heading h2 br, .terminal-content h2 br, .workflow-intro h2 br { display: none; }
  .hero { padding-bottom: 45px; }
  .hero { overflow: hidden; }
  .hero-layout { padding-top: 100px; }
  .hero-copy { padding-top: 10px; }
  .hero-copy h1 { font-size: clamp(38px, 11.5vw, 46px); line-height: 1.15; letter-spacing: -0.055em; }
  .hero-copy h1 br { display: none; }
  .hero-lead { margin: 22px 0 25px; font-size: 12px; line-height: 1.82; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .button { min-width: 0; min-height: 46px; padding: 0 10px; font-size: 9px; }
  .button .play-icon { flex: 0 0 21px; }
  .hero-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; margin-top: 34px; }
  .hero-facts div { padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.09); }
  .hero-facts div + div { padding-left: 18px; }
  .hero-facts div:nth-child(3) { padding-left: 0; border-left: 0; }
  .hero-facts dt { font-size: 27px; }
  .hero-visual { width: calc(100% + 28px); height: clamp(282px, 88vw, 350px); margin: 8px -14px 0; overflow: hidden; }
  .command-window { top: 40px; right: 0; width: 96%; transform: none; }
  .window-bar { height: 28px; font-size: 6px; }
  .terminal-window { right: 4%; bottom: 8px; width: 39%; padding: 6px; border-radius: 11px; }
  .terminal-window::after { inset: -4px; border-radius: 15px; }
  .terminal-window img { border-radius: 6px; }
  .terminal-camera { margin-bottom: 4px; }
  .signal-card { padding: 7px 9px; }
  .signal-card b { font-size: 8px; }
  .signal-card small { display: none; }
  .signal-online { top: 48%; left: 3%; }
  .value-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: min(calc(100% - 28px), var(--container)); overflow: visible; }
  .value-grid > div { min-width: 0; min-height: 116px; padding: 28px 10px 22px 32px; border: 0 !important; border-bottom: 1px solid var(--line) !important; }
  .value-grid > div:nth-child(even) { border-left: 1px solid var(--line) !important; }
  .value-grid > div:nth-child(n + 3) { border-bottom: 0 !important; }
  .value-grid span { top: 31px; left: -2px; }
  .value-grid strong { font-size: 15px; line-height: 1.35; }
  .value-grid small { font-size: 9px; line-height: 1.55; }
  .section-heading, .showcase-heading { gap: 18px; margin-bottom: 34px; }
  .section-heading > p, .showcase-heading > p { font-size: 12px; line-height: 1.8; }
  .capability-card { min-height: 255px; padding: 23px; }
  .capability-card h3 { margin-top: 54px; font-size: 22px; line-height: 1.3; }
  .capability-card > p, .card-copy > p { font-size: 11px; }
  .capability-lead { min-height: 455px; }
  .radar { top: 52px; right: -18px; width: 220px; height: 220px; }
  .card-copy { right: 23px; bottom: 23px; left: 23px; }
  .card-copy li { padding: 6px 8px; font-size: 8px; }
  .workflow-progress { grid-template-columns: 76px auto 1fr; margin-top: 32px; }
  .workflow-list li { grid-template-columns: 36px minmax(0, 1fr); gap: 14px; min-height: 84px; }
  .workflow-list li > div { min-width: 0; }
  .workflow-list li > i { display: none; }
  .workflow-list b { font-size: 17px; }
  .workflow-list small { line-height: 1.5; }
  .product-stage { margin: 0; border-right: 1px solid rgba(255, 255, 255, 0.14); border-left: 1px solid rgba(255, 255, 255, 0.14); }
  .product-tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: visible; scroll-snap-type: none; }
  .product-tab { min-width: 0; min-height: 66px; padding: 13px 10px; grid-template-columns: 24px minmax(0, 1fr); scroll-snap-align: none; }
  .product-tab + .product-tab { border-top: 1px solid rgba(255, 255, 255, 0.09); border-left: 0; }
  .product-tab:nth-child(2) { border-top: 0; border-left: 1px solid rgba(255, 255, 255, 0.09); }
  .product-tab:nth-child(4) { border-left: 1px solid rgba(255, 255, 255, 0.09); }
  .product-tab:last-child { grid-column: 1 / -1; }
  .product-tab b { font-size: 11px; }
  .product-tab small { margin-top: 4px; font-size: 8px; }
  .product-screen { padding: 23px 12px 16px; }
  .product-screen-top p { overflow-wrap: anywhere; line-height: 1.6; }
  .product-screen-top h3 { font-size: 21px; line-height: 1.35; }
  .live-badge { display: none; }
  .product-description { margin-bottom: 17px; }
  .product-image figcaption { display: block; }
  .product-image figcaption span:first-child { display: none; }
  .terminal-layout { min-width: 0; }
  .terminal-gallery { min-width: 0; padding: 8px 4px 52px; overflow: hidden; }
  .tablet-frame { width: 100%; padding: 7px; border-radius: 16px; transform: none; }
  .tablet-frame::before { inset: -4px; border-radius: 20px; }
  .tablet-frame figure { border-radius: 10px; }
  .tablet-camera { margin-bottom: 5px; }
  .terminal-state { right: 7px; bottom: 22px; max-width: calc(100% - 14px); }
  .terminal-lead { font-size: 12px; }
  .terminal-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; }
  .terminal-tabs button { width: 100%; min-width: 0; min-height: 44px; padding: 0 4px; white-space: nowrap; font-size: 9px; }
  .terminal-detail { grid-template-columns: 35px minmax(0, 1fr); gap: 13px; }
  .terminal-detail h3 { font-size: 19px; line-height: 1.4; }
  .terminal-tags { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .terminal-tags li { text-align: center; }
  .architecture { grid-template-columns: 1fr; gap: 8px; padding: 10px; }
  .arch-node { min-height: 120px; }
  .arch-node > i { float: left; margin: 14px 18px 14px 0; }
  .arch-node > div { padding-top: 18px; }
  .architecture > .arch-node, .architecture > .arch-link { grid-column: 1 !important; grid-row: auto !important; }
  .arch-link { display: flex !important; flex-direction: row; min-height: 28px; }
  .arch-link small { width: 62px; }
  .arch-link i { flex: 1; }
  .assurance-grid article { min-height: 165px; padding: 23px; }
  .assurance-grid h3 { margin-top: 38px; font-size: 19px; }
  .contact { padding: 68px 0; }
  .contact-copy h2 br { display: none; }
  .contact-promise { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .contact-form { margin: 0; padding: 23px 17px; }
  .form-heading { display: block; }
  .form-heading b { display: block; margin-top: 9px; font-size: 19px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form input, .contact-form select { height: 50px; font-size: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-top > p { font-size: 15px; }
  .footer-bottom { display: block; line-height: 2; }
  .footer-bottom span:last-child { display: block; }
  .to-top { display: none; }
  .toast { right: 14px; bottom: calc(18px + env(safe-area-inset-bottom)); left: 14px; max-width: none; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}