:root {
  --bg: #181818;
  --bg-deep: #111;
  --panel: #202020;
  --panel-soft: #262626;
  --line: rgba(255,255,255,.11);
  --line-strong: rgba(255,255,255,.2);
  --text: #f4f2ee;
  --muted: #aaa8a4;
  --red: #ef4a4a;
  --orange: #f09d2e;
  --blue: #5da3ff;
  --max: 1240px;
  --radius: 26px;
  --shadow: 0 28px 80px rgba(0,0,0,.38);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, #000, transparent 82%);
}

img, video { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; transform: translateY(-150%); padding: .7rem 1rem; background: #fff; color: #000; border-radius: 10px; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  width: 100%;
  padding: 12px 22px;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { background: rgba(24,24,24,.8); border-color: var(--line); backdrop-filter: blur(24px) saturate(1.3); }
.nav-shell { max-width: var(--max); margin: 0 auto; display: flex; align-items: center; gap: 32px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; font-size: 1.05rem; font-weight: 740; letter-spacing: -.03em; }
.brand img { width: 44px; height: 44px; border-radius: 11px; }
.brand > span > span { color: #ff0000; margin-left: 2px; font-size: .77em; letter-spacing: .04em; vertical-align: .08em; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 28px; margin-left: auto; }
.main-nav a { color: #c9c7c3; text-decoration: none; font-size: .88rem; font-weight: 590; transition: color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible { color: #fff; }
.main-nav .nav-external { color: #e1dfdb; }
.main-nav .nav-external-first { margin-left: 2px; padding-left: 24px; border-left: 1px solid var(--line); }
.menu-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); padding: 11px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; background: #eee; margin: 4px 0; border-radius: 2px; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 50px; padding: 0 22px; border: 1px solid transparent; border-radius: 14px; text-decoration: none; font-weight: 680; font-size: .93rem; transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid rgba(93,163,255,.65); outline-offset: 3px; }
.button svg { width: 19px; height: 19px; fill: currentColor; }
.button-primary { color: #fff; background: linear-gradient(135deg, #ea4848, #c92c38); box-shadow: 0 10px 30px rgba(220,50,60,.24); }
.button-primary:hover { background: linear-gradient(135deg, #f15a55, #d93642); box-shadow: 0 13px 34px rgba(220,50,60,.32); }
.button-ghost { border-color: var(--line-strong); background: rgba(255,255,255,.035); }
.button-ghost:hover { border-color: rgba(255,255,255,.36); background: rgba(255,255,255,.075); }
.button-small { min-height: 40px; padding: 0 16px; border-radius: 11px; font-size: .82rem; }
.button-full { width: 100%; }
.text-link { color: #fff; text-decoration: none; font-weight: 650; border-bottom: 1px solid rgba(255,255,255,.28); padding-bottom: 3px; }
.text-link:hover { color: var(--orange); border-color: var(--orange); }
.app-name { --app-name-pro-color: #8f8d89; white-space: nowrap; font-weight: 760; letter-spacing: -.035em; }
.app-name-pro { margin-left: .035em; color: var(--app-name-pro-color); font-weight: 720; }
.eyebrow .app-name { --app-name-pro-color: #b96818; letter-spacing: .015em; }
.hero-copy > .eyebrow { color: #a7a4a0; }
.hero-copy > .eyebrow .app-name { color: #f4f2ef; --app-name-pro-color: #ff0000; }
.text-link:hover .app-name { --app-name-pro-color: #ad5d15; }

.section-grid, .section, .signal-strip, .footer-main, .trademark { position: relative; max-width: var(--max); margin: 0 auto; }
.hero { max-width: 1460px; min-height: 840px; display: grid; grid-template-columns: minmax(450px, .9fr) minmax(0, 1.5fr); align-items: start; gap: clamp(34px, 4.2vw, 66px); padding: 150px 22px 92px; }
.hero::after { content: ""; position: absolute; left: 10%; top: 6%; width: 400px; height: 400px; background: rgba(235,58,67,.085); filter: blur(110px); border-radius: 50%; pointer-events: none; }
.hero-copy { padding-top: 18px; }
.eyebrow { margin: 0 0 20px; color: var(--orange); font-size: .75rem; font-weight: 760; letter-spacing: .16em; text-transform: uppercase; }
.status-dot { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: #67d78a; box-shadow: 0 0 0 5px rgba(103,215,138,.1); }
h1, h2, h3, p { text-wrap: pretty; }
h1 { margin: 0; font-size: clamp(3.2rem, 6.1vw, 6.5rem); line-height: .94; letter-spacing: -.067em; font-weight: 760; }
h1 em { display: block; margin-top: .11em; color: #b8b5b0; font-family: Iowan Old Style, Baskerville, "Times New Roman", serif; font-weight: 400; }
.hero-lead { max-width: 690px; margin: 30px 0; color: #c5c3bf; font-size: clamp(1.05rem, 1.5vw, 1.28rem); line-height: 1.62; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 30px 0 0; padding: 0; list-style: none; color: #8f8d89; font-size: .78rem; font-weight: 650; letter-spacing: .02em; }
.hero-meta li::before { content: "✓"; color: var(--orange); margin-right: 6px; }
.hero-visual { position: relative; min-width: 0; padding-top: 54px; perspective: 1300px; }
.hero-product-name { position: relative; z-index: 1; margin: 0 1.5% 34px 0; color: var(--text); text-align: right; font-size: clamp(4rem, 6.5vw, 7rem); font-weight: 780; line-height: .78; letter-spacing: -.07em; }
.hero-product-pro { margin-left: .025em; color: #ff0000; font-weight: 720; }
.halo { position: absolute; inset: -16% 0 -16% -16%; background: radial-gradient(circle, rgba(240,157,46,.14), transparent 58%); filter: blur(18px); }
.app-window { position: relative; margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 22px; background: #111; box-shadow: var(--shadow), 0 0 0 1px rgba(255,255,255,.04) inset; transform: rotateY(-4deg) rotateX(1deg); }
.app-window img { width: 100%; height: auto; }
.hero-store-badge { display: flex; justify-content: center; padding: 24px 0 0; }
.hero-store-badge a { display: block; line-height: 0; }
.hero-store-badge img { width: 240px; height: auto; }
.floating-card { position: absolute; z-index: 2; display: grid; gap: 2px; padding: 14px 17px; border: 1px solid rgba(255,255,255,.16); border-radius: 14px; background: rgba(30,30,30,.84); backdrop-filter: blur(20px); box-shadow: 0 18px 45px rgba(0,0,0,.38); }
.floating-card strong { font-size: .88rem; }
.floating-card small { color: var(--muted); font-size: .7rem; }
.floating-card-top { top: clamp(150px, 12vw, 195px); right: 8%; }
.floating-card-bottom { bottom: 72px; left: 5%; grid-template-columns: auto 1fr; align-items: center; gap: 11px; }
.floating-card-bottom strong, .floating-card-bottom small { display: block; }
.mini-label { color: var(--orange); font-size: .55rem; font-weight: 760; letter-spacing: .15em; }
.matrix-mark { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid var(--orange); border-radius: 50%; color: var(--orange); font-family: ui-monospace, Menlo, monospace; font-weight: 700; }

.signal-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-strip div { padding: 28px; border-right: 1px solid var(--line); }
.signal-strip div:last-child { border-right: 0; }
.signal-strip strong, .signal-strip span { display: block; }
.signal-strip strong { font-size: 1.1rem; }
.signal-strip span { color: var(--muted); font-size: .77rem; }

.section { padding: 128px 22px; }
.section-heading { max-width: 780px; margin-bottom: 54px; }
.section-heading h2, .requirements-copy h2, .research-copy h2, .final-cta h2 { margin: 0 0 22px; font-size: clamp(2.3rem, 4.6vw, 4.7rem); line-height: 1; letter-spacing: -.055em; }
.section-heading > p:last-child, .research-copy > p, .final-cta p { color: var(--muted); font-size: 1.08rem; }
.section-dark { max-width: none; padding-left: max(22px, calc((100vw - var(--max)) / 2 + 22px)); padding-right: max(22px, calc((100vw - var(--max)) / 2 + 22px)); background: var(--bg-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.process { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process li { min-height: 260px; padding: 26px; border-right: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.process li:last-child { border-right: 0; }
.process-number { color: #706e6a; font: 600 .72rem ui-monospace, Menlo, monospace; }
.process h3 { margin: 0 0 8px; font-size: 1.2rem; }
.process p { margin: 0; color: var(--muted); font-size: .9rem; }
.architecture { display: flex; align-items: stretch; gap: 10px; margin-top: 50px; }
.architecture-node { flex: 1; min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.architecture-node span, .architecture-node strong { display: block; }
.architecture-node span { margin-bottom: 6px; color: var(--muted); font-size: .68rem; }
.architecture-node strong { font-size: .96rem; }
.architecture-node-accent { border-color: rgba(240,157,46,.5); background: linear-gradient(135deg, rgba(240,157,46,.15), rgba(240,157,46,.035)); }
.architecture-arrow { display: grid; place-items: center; color: #64625f; }

.discipline-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; max-width: var(--max); }
.discipline-card { grid-column: span 2; min-height: 280px; padding: 28px; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.012)); }
.discipline-card:nth-child(4) { grid-column: 2 / span 2; }
.discipline-card h3 { margin: 35px 0 12px; font-size: 1.38rem; }
.discipline-card p { color: var(--muted); font-size: .92rem; }
.discipline-card small { display: block; margin-top: 24px; color: #75736f; font-weight: 650; font-size: .67rem; letter-spacing: .06em; }
.discipline-index { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--line-strong); border-radius: 50%; color: #c8c6c1; font: .72rem ui-serif, Georgia, serif; }
.discipline-card-featured { border-color: rgba(240,157,46,.42); background: radial-gradient(circle at top right, rgba(240,157,46,.15), transparent 48%), #1b1b1b; }
.discipline-card-featured .discipline-index { border-color: var(--orange); color: var(--orange); }

.section-media { max-width: none; padding-left: max(22px, calc((100vw - var(--max)) / 2 + 22px)); padding-right: max(22px, calc((100vw - var(--max)) / 2 + 22px)); background: linear-gradient(180deg, #181818, #202020); }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: var(--max); }
.video-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #151515; box-shadow: 0 18px 50px rgba(0,0,0,.18); }
.video-preview { position: relative; display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; padding: 0; border: 0; background: #000; cursor: pointer; overflow: hidden; }
.video-preview img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease, opacity .35s ease; }
.video-preview:hover img { transform: scale(1.014); opacity: .84; }
.video-play { position: absolute; left: 50%; top: 50%; width: 58px; height: 58px; transform: translate(-50%, -50%); border: 1px solid rgba(255,255,255,.45); border-radius: 50%; background: rgba(12,12,12,.76); backdrop-filter: blur(12px); box-shadow: 0 12px 35px rgba(0,0,0,.35); }
.video-play::after { content: ""; position: absolute; left: 23px; top: 18px; width: 0; height: 0; border-top: 10px solid transparent; border-bottom: 10px solid transparent; border-left: 16px solid #fff; }
.video-card > div { padding: 22px; }
.video-card span { color: var(--orange); font-size: .65rem; font-weight: 720; letter-spacing: .1em; text-transform: uppercase; }
.video-card h3 { margin: 8px 0; font-size: 1.18rem; }
.video-card p { margin: 0; color: var(--muted); font-size: .85rem; }
.full-demo-heading { max-width: 780px; margin: 104px 0 38px; padding-top: 80px; border-top: 1px solid var(--line); scroll-margin-top: 96px; }
.full-demo-heading h3 { margin: 0 0 16px; font-size: clamp(2rem, 3.8vw, 3.6rem); line-height: 1.02; letter-spacing: -.05em; }
.full-demo-heading > p:last-child { margin: 0; color: var(--muted); font-size: 1rem; }
.full-demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: var(--max); }
.full-demo-card { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(145deg, #171717, #111); box-shadow: 0 18px 50px rgba(0,0,0,.2); }
.full-demo-card .video-preview { aspect-ratio: 16 / 9; }
.full-demo-duration { position: absolute; right: 12px; bottom: 12px; padding: 6px 9px; border: 1px solid rgba(255,255,255,.22); border-radius: 8px; background: rgba(10,10,10,.82); color: #eee !important; font: 650 .62rem ui-monospace, Menlo, monospace !important; letter-spacing: .03em !important; text-transform: none !important; backdrop-filter: blur(10px); }
.full-demo-copy { padding: 22px; }
.full-demo-copy > span { color: var(--orange); font-size: .65rem; font-weight: 720; letter-spacing: .1em; text-transform: uppercase; }
.full-demo-copy h3 { margin: 8px 0; font-size: 1.18rem; }
.full-demo-copy p { min-height: 84px; margin: 0; color: var(--muted); font-size: .85rem; }
.demo-download { display: inline-flex; align-items: center; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: #d5d3cf; text-decoration: none; font-size: .73rem; font-weight: 680; }
.demo-download::before { content: "↓"; margin-right: 8px; color: var(--orange); }
.demo-download:hover { color: #fff; }

.section-audio { max-width: none; padding-left: max(22px, calc((100vw - var(--max)) / 2 + 22px)); padding-right: max(22px, calc((100vw - var(--max)) / 2 + 22px)); background: radial-gradient(circle at 78% 18%, rgba(240,157,46,.09), transparent 34%), #111; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading .audio-note { margin-top: 18px; color: #7f7d79; font-size: .76rem; }
.audio-library { display: grid; gap: 14px; max-width: var(--max); }
.audio-card { display: grid; grid-template-columns: 70px minmax(0, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: linear-gradient(135deg, rgba(255,255,255,.045), rgba(255,255,255,.012)); box-shadow: 0 18px 50px rgba(0,0,0,.15); }
.audio-number { display: grid; place-items: center; min-height: 210px; border-right: 1px solid var(--line); color: #77746f; font: 650 .74rem ui-monospace, Menlo, monospace; letter-spacing: .1em; }
.audio-content { min-width: 0; padding: 24px 26px 22px; }
.audio-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; }
.audio-kicker { display: block; margin-bottom: 5px; color: var(--orange); font-size: .64rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.audio-heading h3 { margin: 0; font-size: 1.2rem; letter-spacing: -.025em; }
.audio-heading p { max-width: 620px; margin: 4px 0 0; color: var(--muted); font-size: .8rem; }
.audio-duration { flex: none; padding-top: 5px; color: #77746f; font: .69rem ui-monospace, Menlo, monospace; }
.audio-player { margin-top: 20px; }
.audio-player audio { display: block; width: 100%; min-height: 54px; color-scheme: dark; accent-color: var(--orange); }
.audio-documents { display: flex; flex-wrap: wrap; gap: 9px; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line); }
.audio-download { display: inline-flex; align-items: center; min-height: 32px; padding: 0 11px; border: 1px solid var(--line); border-radius: 8px; color: #c6c4bf; text-decoration: none; font-size: .69rem; font-weight: 680; transition: color .2s ease, border-color .2s ease, background .2s ease; }
.audio-download::before { content: "↓"; margin-right: 7px; color: var(--orange); }
.audio-download.is-online-report::before { content: "↗"; }
.audio-download:hover { border-color: rgba(240,157,46,.5); color: #fff; background: rgba(240,157,46,.07); }
.audio-error { margin: 0; padding: 24px; border: 1px solid var(--line); border-radius: 16px; color: var(--muted); }

.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.gallery-item { position: relative; overflow: hidden; padding: 0; border: 1px solid var(--line); border-radius: 20px; background: #0e0e0e; cursor: zoom-in; aspect-ratio: 16 / 10; }
.gallery-item-wide { grid-column: span 2; aspect-ratio: 2.4 / 1; }
.gallery-item-mpt,
.gallery-item[data-full$="09-composizione-mpt-i.png"] { order: -1; }
.gallery-item-fuga,
.gallery-item[data-full$="01-fuga-quattro-voci-osmd.png"] { order: 99; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease, opacity .45s ease; }
.gallery-item-mpt img { object-fit: contain; background: #fff; }
.gallery-item:hover img { transform: scale(1.018); opacity: .86; }
.gallery-item span { position: absolute; left: 18px; bottom: 18px; padding: 8px 11px; border: 1px solid rgba(255,255,255,.18); border-radius: 9px; background: rgba(18,18,18,.78); backdrop-filter: blur(14px); font-size: .73rem; font-weight: 650; }

.section-tools { max-width: none; padding-left: max(22px, calc((100vw - var(--max)) / 2 + 22px)); padding-right: max(22px, calc((100vw - var(--max)) / 2 + 22px)); border-top: 1px solid var(--line); background: #141414; }
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; max-width: var(--max); background: var(--line); border: 1px solid var(--line); }
.tool-card { min-height: 260px; padding: 30px; background: #171717; }
.tool-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 46px; border: 1px solid var(--line-strong); border-radius: 11px; color: var(--orange); font: 690 .75rem ui-monospace, Menlo, monospace; }
.tool-card h3 { margin: 0 0 10px; }
.tool-card p { color: var(--muted); font-size: .87rem; }

.section-contact { max-width: none; padding-left: max(22px, calc((100vw - var(--max)) / 2 + 22px)); padding-right: max(22px, calc((100vw - var(--max)) / 2 + 22px)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: radial-gradient(circle at 12% 15%, rgba(240,157,46,.1), transparent 34%), #111; }
.contact-shell { display: grid; grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr); gap: clamp(45px, 7vw, 90px); max-width: var(--max); align-items: start; }
.contact-copy h2 { max-width: 610px; }
.contact-copy > p:not(.eyebrow) { max-width: 610px; margin: 22px 0 0; color: var(--muted); }
.contact-destination { display: grid; grid-template-columns: auto 1fr; gap: 2px 16px; width: fit-content; margin-top: 34px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.025); }
.contact-destination span { grid-row: span 2; align-self: center; color: var(--orange); font-size: .66rem; font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
.contact-destination strong { font-size: .91rem; }
.contact-destination small { color: #777570; font-size: .68rem; }
.contact-form { position: relative; display: grid; gap: 20px; padding: clamp(24px, 3.5vw, 38px); border: 1px solid rgba(240,157,46,.28); border-radius: 22px; background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.015)); box-shadow: 0 25px 65px rgba(0,0,0,.22); }
.contact-field { display: grid; gap: 8px; }
.contact-field > span { color: #d9d7d2; font-size: .76rem; font-weight: 680; }
.contact-field input, .contact-field textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 12px; background: #171717; color: var(--text); outline: none; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.contact-field input { min-height: 50px; padding: 0 15px; }
.contact-field textarea { min-height: 150px; padding: 13px 15px; line-height: 1.5; resize: vertical; }
.contact-field input::placeholder, .contact-field textarea::placeholder { color: #686662; }
.contact-field input:focus, .contact-field textarea:focus { border-color: rgba(240,157,46,.7); background: #1b1b1b; box-shadow: 0 0 0 3px rgba(240,157,46,.1); }
.contact-consent { display: grid; grid-template-columns: 19px 1fr; gap: 10px; align-items: start; color: #8f8d89; font-size: .7rem; }
.contact-consent input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--orange); }
.contact-consent a { color: #c9c7c3; }
.contact-actions { display: flex; align-items: center; gap: 18px; min-height: 50px; }
.contact-actions .button:disabled { cursor: wait; opacity: .62; transform: none; }
.contact-status { margin: 0; color: var(--muted); font-size: .75rem; }
.contact-status.is-success { color: #77d996; }
.contact-status.is-error { color: #ff8d8d; }
.contact-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; max-width: 980px; margin-inline: auto; }
.price-card { position: relative; padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); display: flex; flex-direction: column; }
.price-card > div:first-child { min-height: 125px; }
.price-card span, .price-card strong, .price-card small { display: block; }
.price-level { color: var(--orange); font-size: .68rem; font-weight: 760; letter-spacing: .13em; }
.price-card strong { margin: 14px 0 2px; font-size: 1.55rem; letter-spacing: -.04em; }
.price-card strong small { display: inline; font-size: .68rem; color: var(--muted); font-weight: 500; }
.price-card small { color: var(--muted); font-size: .72rem; }
.price-card ul { flex: 1; margin: 15px 0 28px; padding: 22px 0 0; border-top: 1px solid var(--line); list-style: none; }
.price-card li { position: relative; padding: 7px 0 7px 19px; color: #c3c1bd; font-size: .81rem; }
.price-card li::before { content: "·"; position: absolute; left: 2px; color: var(--orange); font-weight: 900; }
.price-card .text-link { display: inline-flex; align-items: baseline; align-self: flex-start; white-space: nowrap; }
.price-card .text-link .app-name { display: inline-flex; align-items: baseline; margin: 0 .22em; }
.price-card-featured { border-color: rgba(240,157,46,.5); background: radial-gradient(circle at top right, rgba(240,157,46,.15), transparent 40%), #202020; }
.recommended { position: absolute; top: -12px; right: 18px; min-height: 0 !important; padding: 5px 10px; border-radius: 999px; background: var(--orange); color: #1a1207; font-size: .62rem; font-weight: 800; letter-spacing: .04em; }
.pricing-note { max-width: 860px; margin: 25px auto 0; color: #777570; text-align: center; font-size: .7rem; }

.research-section { max-width: none; padding-left: max(22px, calc((100vw - var(--max)) / 2 + 22px)); padding-right: max(22px, calc((100vw - var(--max)) / 2 + 22px)); background: #101318; border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); }
.research-card { display: grid; grid-template-columns: minmax(340px, 400px) minmax(0, 1fr); gap: clamp(44px, 7vw, 92px); max-width: 1160px; align-items: center; }
.research-cover { width: 100%; max-width: 400px; aspect-ratio: 2 / 3; overflow: hidden; border: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.025); box-shadow: 0 35px 70px rgba(0,0,0,.35); transform: rotate(-1deg); }
.research-cover img { width: 100%; height: 100%; aspect-ratio: 2 / 3; object-fit: contain; }
.research-copy { max-width: 630px; }
.research-links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; margin-top: 28px; }

.requirements-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.requirements-copy h2 { max-width: 560px; }
.requirements-list { margin: 0; border-top: 1px solid var(--line); }
.requirements-list div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.requirements-list dt { color: var(--muted); font-size: .75rem; }
.requirements-list dd { margin: 0; font-size: .93rem; }

.final-cta { padding: 110px 22px; background: radial-gradient(circle at 50% 30%, rgba(231,63,67,.16), transparent 50%), #111; text-align: center; border-top: 1px solid var(--line); }
.final-cta-inner { max-width: 760px; margin: 0 auto; }
.final-cta img { margin: 0 auto 24px; border-radius: 23px; filter: drop-shadow(0 25px 35px rgba(0,0,0,.45)); }
.final-cta .eyebrow { color: #aaa8a4; }
.final-cta .eyebrow .app-name { color: #eceae6; --app-name-pro-color: #777570; }
.final-cta p:not(.eyebrow) { max-width: 650px; margin: 0 auto 30px; }

.site-footer { padding: 45px 22px 28px; background: #0d0d0d; border-top: 1px solid var(--line); }
.footer-main { display: flex; align-items: center; justify-content: space-between; gap: 35px; }
.footer-brand { display: flex; align-items: center; gap: 18px; }
.footer-brand img { width: 64px; height: auto; }
.footer-brand p { max-width: 480px; margin: 0; color: #a3a19d; font-size: .75rem; }
.footer-main nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.footer-main nav a { color: #aaa8a4; text-decoration: none; font-size: .72rem; }
.footer-main nav a:hover { color: #fff; }
.trademark { margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--line); color: #5f5d5a; font-size: .62rem; }
.generation-note { max-width: var(--max); margin: 13px auto 0; color: #797773; font-size: .66rem; }

.lightbox { width: min(95vw, 1500px); max-width: none; padding: 0; border: 1px solid rgba(255,255,255,.2); border-radius: 20px; background: #111; color: #fff; box-shadow: var(--shadow); }
.lightbox::backdrop { background: rgba(0,0,0,.87); backdrop-filter: blur(8px); }
.lightbox figure { margin: 0; }
.lightbox img { width: 100%; height: auto; }
.lightbox figcaption { padding: 15px 20px; color: var(--muted); font-size: .82rem; }
.lightbox-close { position: absolute; z-index: 2; top: 12px; right: 12px; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: rgba(16,16,16,.86); color: #fff; cursor: pointer; font-size: 1.55rem; line-height: 1; }

.video-lightbox { width: min(86vw, 1080px); max-width: none; padding: 0; border: 1px solid rgba(255,255,255,.2); border-radius: 20px; background: #0d0d0d; color: #fff; box-shadow: var(--shadow); }
.video-lightbox::backdrop { background: rgba(0,0,0,.87); backdrop-filter: blur(8px); }
.video-lightbox figure { margin: 0; }
.video-lightbox video { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #000; }
.video-lightbox figcaption { padding: 14px 20px 16px; color: #d5d3cf; font-size: .86rem; font-weight: 650; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1); transition-delay: calc(var(--delay, 0) * 90ms); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
[data-delay="1"] { --delay: 1; } [data-delay="2"] { --delay: 2; } [data-delay="3"] { --delay: 3; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr; padding-top: 135px; }
  .hero-copy { padding-top: 0; }
  .hero-copy { max-width: 780px; }
  .hero-visual { max-width: 900px; padding-top: 0; }
  .hero-product-name { margin-top: 0; }
  .floating-card-top { top: 100px; }
  .main-nav { display: none; position: absolute; top: 68px; left: 22px; right: 22px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(24,24,24,.96); flex-direction: column; align-items: flex-start; box-shadow: var(--shadow); }
  .main-nav.is-open { display: flex; }
  .main-nav .nav-external-first { width: 100%; margin-left: 0; padding-top: 18px; padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  .menu-toggle { display: block; }
  .nav-cta { margin-left: 0; }
  .process { grid-template-columns: 1fr 1fr; }
  .process li:nth-child(2) { border-right: 0; }
  .process li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .discipline-card { grid-column: span 3; }
  .discipline-card:nth-child(4) { grid-column: span 3; }
  .discipline-card-featured { grid-column: 2 / span 4; }
  .video-grid { grid-template-columns: 1fr; }
  .video-card { display: grid; grid-template-columns: 1.35fr 1fr; }
  .full-demo-grid { grid-template-columns: 1fr; }
  .full-demo-card { display: grid; grid-template-columns: 1.35fr 1fr; }
  .full-demo-copy p { min-height: 0; }
  .audio-card { grid-template-columns: 58px minmax(0, 1fr); }
  .audio-number { min-height: 230px; }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .contact-shell { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 16px; }
  .site-header { padding: 10px 14px; }
  .nav-shell { gap: 10px; }
  .brand > span { display: none; }
  .nav-cta { padding: 0 12px; }
  .hero { min-height: 0; padding: 118px 17px 80px; }
  h1 { font-size: clamp(3rem, 15vw, 4.7rem); }
  .hero-product-name { margin: 22px 0 27px; text-align: left; font-size: clamp(3.4rem, 18vw, 5.4rem); }
  .halo { inset: 0; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-window { transform: none; border-radius: 13px; }
  .floating-card { display: none; }
  .signal-strip { grid-template-columns: 1fr 1fr; margin: 0 17px; }
  .signal-strip div { padding: 20px 12px; }
  .signal-strip div:nth-child(2) { border-right: 0; }
  .signal-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section { padding: 90px 17px; }
  .process { grid-template-columns: 1fr; }
  .process li { min-height: 210px; border-right: 0; border-bottom: 1px solid var(--line); }
  .process li:last-child { border-bottom: 0; }
  .architecture { display: grid; grid-template-columns: 1fr; }
  .architecture-arrow { transform: rotate(90deg); height: 18px; }
  .discipline-grid { grid-template-columns: 1fr; }
  .discipline-card, .discipline-card:nth-child(4), .discipline-card-featured { grid-column: auto; min-height: 0; }
  .video-card { display: block; }
  .full-demo-card { display: block; }
  .full-demo-heading { margin-top: 76px; padding-top: 58px; }
  .video-lightbox { width: 94vw; }
  .audio-card { grid-template-columns: 1fr; }
  .audio-number { display: block; min-height: 0; padding: 14px 18px; border-right: 0; border-bottom: 1px solid var(--line); }
  .audio-content { padding: 21px 18px; }
  .audio-heading { display: block; }
  .audio-duration { display: block; margin-top: 8px; }
  .audio-documents { margin-left: 0; }
  .gallery { grid-template-columns: 1fr; }
  .gallery-item-wide { grid-column: auto; aspect-ratio: 16 / 10; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card { min-height: 0; }
  .tool-icon { margin-bottom: 28px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 22px 18px; }
  .contact-actions { align-items: stretch; flex-direction: column; }
  .contact-actions .button { width: 100%; }
  .contact-status { min-height: 1.2em; text-align: center; }
  .research-card { grid-template-columns: 1fr; }
  .research-cover { max-width: 320px; justify-self: center; }
  .requirements-section { grid-template-columns: 1fr; gap: 35px; }
  .requirements-list div { grid-template-columns: 110px 1fr; }
  .footer-main, .footer-brand { align-items: flex-start; flex-direction: column; }
  .footer-main nav { justify-content: flex-start; }
}

@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; }
}