:root {
  --ink: #0b1427;
  --ink-soft: #14233d;
  --text: #172338;
  --muted: #5d6a7c;
  --line: #e2e8f1;
  --blue: #2162e9;
  --blue-dark: #164cbd;
  --blue-soft: #eef4ff;
  --shell: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 85px; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--text); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
.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; }
.shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.section { padding: 110px 0; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.04em; }
h2 { font-size: clamp(2.25rem, 4.3vw, 4.25rem); }
h3 { font-size: 1.55rem; }
p { color: var(--muted); }
.section-kicker, .eyebrow { color: var(--blue); font-size: .73rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }

.site-header { position: fixed; z-index: 50; inset: 0 0 auto; height: 82px; display: flex; align-items: center; background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(34,53,82,.08); backdrop-filter: blur(18px); transition: box-shadow .2s ease; }
.site-header.scrolled { box-shadow: 0 9px 28px rgba(12,28,56,.1); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: block; flex: 0 0 auto; }
.brand img { width: 174px; height: auto; }
.site-nav { display: flex; align-items: center; gap: 31px; color: #33445e; font-size: .88rem; font-weight: 650; }
.site-nav a:not(.nav-cta):hover { color: var(--blue); }
.nav-cta { display: inline-flex; align-items: center; gap: 12px; padding: 10px 17px; border-radius: 9px; color: #fff; background: var(--blue); box-shadow: 0 8px 21px rgba(33,98,233,.18); }
.nav-cta:hover { background: var(--blue-dark); }
.nav-toggle { display: none; padding: 8px; border: 0; background: none; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: #1d2d47; transition: transform .2s ease, opacity .2s ease; }

.hero { position: relative; min-height: 685px; display: flex; align-items: center; padding: 145px 0 115px; color: #fff; background: radial-gradient(circle at 75% 24%, rgba(39,101,228,.25), transparent 35%), radial-gradient(circle at 30% 92%, rgba(41,112,227,.13), transparent 42%), #0b1427; overflow: hidden; }
.hero-gridlines { position: absolute; inset: 0; opacity: .35; background-image: linear-gradient(rgba(121,163,229,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(121,163,229,.07) 1px,transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(90deg,transparent 10%,#000 100%); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: .88fr 1.12fr; gap: 56px; align-items: center; }
.hero-copy { max-width: 540px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 19px; color: #9abaff; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: #70a8ff; box-shadow: 0 0 18px #4d8eff; }
.hero h1 { margin-bottom: 24px; font-size: clamp(2.95rem, 4vw, 3.4rem); line-height: 1.06; }
.hero h1 span { color: #84acff; }
.hero-lede { max-width: 565px; margin-bottom: 29px; color: #bfcbe0; font-size: 1.13rem; line-height: 1.72; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 11px; min-height: 51px; padding: 0 22px; border: 1px solid transparent; border-radius: 10px; font-weight: 750; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 12px 29px rgba(24,83,220,.27); }
.button-primary:hover { background: var(--blue-dark); box-shadow: 0 15px 34px rgba(24,83,220,.38); }
.button-ghost { color: #f4f7ff; border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.05); }
.button-ghost:hover { background: rgba(255,255,255,.1); }
.office-note { display: flex; align-items: center; gap: 9px; margin: 23px 0 0; color: #9cacc4; font-size: .78rem; }
.office-note svg { width: 15px; height: 15px; fill: none; stroke: #6fb591; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.hero-media { position: relative; min-width: 0; padding: 28px 12px 28px 10px; }
.hero-media::before { content: ""; position: absolute; width: 86%; height: 70%; left: 9%; top: 12%; border-radius: 50%; background: rgba(34,105,235,.2); filter: blur(75px); }
.hero-screen { position: relative; overflow: hidden; border: 1px solid rgba(200,219,255,.45); border-radius: 14px; background: #fff; box-shadow: 0 37px 76px rgba(0,0,0,.43), 0 0 0 8px rgba(255,255,255,.045); transform: perspective(1500px) rotateY(-3deg) rotateX(1deg); }
.screen-bar, .frame-top { display: flex; align-items: center; gap: 5px; height: 28px; padding: 0 12px; color: #73819a; background: #f6f8fc; border-bottom: 1px solid #e3e9f3; }
.screen-bar span, .frame-top span { width: 6px; height: 6px; border-radius: 50%; background: #c8d2df; }
.screen-bar b, .frame-top b { margin-left: 10px; font-size: .57rem; font-weight: 650; }
.hero-screen img { width: 100%; height: auto; }
.hero-float { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; min-width: 180px; padding: 11px 13px; border: 1px solid rgba(255,255,255,.17); border-radius: 12px; background: rgba(19,35,63,.92); box-shadow: 0 18px 38px rgba(0,0,0,.3); backdrop-filter: blur(12px); }
.float-approval { left: -24px; bottom: 53px; }
.float-cloud { right: -19px; top: 57px; }
.float-icon { display: grid; place-items: center; width: 30px; height: 30px; flex: 0 0 30px; border-radius: 8px; color: #0b4731; background: #83deb2; font-size: .84rem; font-weight: 900; }
.float-icon.cloud { color: #eaf1ff; background: #3266cf; }
.hero-float strong, .hero-float small { display: block; line-height: 1.25; }
.hero-float strong { color: #fff; font-size: .66rem; }
.hero-float small { margin-top: 3px; color: #9aabc7; font-size: .56rem; }
.hero-media-caption { position: absolute; right: 12px; bottom: 5px; color: #788ba9; font-size: .63rem; }

.advantages { position: relative; z-index: 5; margin-top: -55px; padding-bottom: 45px; }
.advantages-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0; overflow: hidden; border: 1px solid #e0e7f0; border-radius: 18px; background: #fff; box-shadow: 0 26px 65px rgba(14,37,70,.13); }
.advantage-card { min-height: 245px; padding: 27px 24px; }
.advantage-card + .advantage-card { border-left: 1px solid #e5eaf1; }
.benefit-icon { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 24px; border-radius: 12px; color: #2162e9; background: #eaf1ff; }
.benefit-icon.excel { color: #14714a; background: #e9f6ef; }
.benefit-icon.logic { color: #275fd1; background: #eaf1ff; }
.benefit-icon.cloud { color: #135cad; background: #e8f5ff; }
.benefit-icon.progress { color: #7654d3; background: #f2edff; }
.benefit-icon svg { width: 28px; height: 28px; fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.advantage-card h2 { margin-bottom: 10px; font-size: 1.08rem; line-height: 1.25; letter-spacing: -.025em; }
.advantage-card p { margin-bottom: 0; color: #637084; font-size: .84rem; line-height: 1.55; }

.product-section { padding-top: 93px; }
.product-intro { display: grid; grid-template-columns: .36fr 1fr; gap: 60px; align-items: center; margin-bottom: 50px; }
.product-label { display: flex; align-items: center; justify-content: center; min-height: 190px; padding: 30px 24px; border: 1px solid #e4eaf5; border-radius: 19px; background: radial-gradient(circle at 20% 20%,#fff,#f5f8fe); box-shadow: 0 15px 35px rgba(23,55,101,.06); }
.product-label img { width: 100%; height: auto; }
.product-intro .section-kicker { margin-bottom: 13px; }
.product-intro h2 { max-width: 790px; margin-bottom: 17px; }
.product-intro p { max-width: 780px; margin-bottom: 0; font-size: 1.05rem; line-height: 1.75; }
.product-showcase { padding: 28px; border: 1px solid #dce5f4; border-radius: 25px; background: radial-gradient(circle at 80% 10%,rgba(108,158,255,.18),transparent 45%), #f0f5fd; }
.screenshot-frame { overflow: hidden; border: 1px solid #d6dfea; border-radius: 11px; background: #fff; box-shadow: 0 28px 54px rgba(21,49,92,.16); }
.frame-top { height: 32px; }
.screenshot-frame img { width: 100%; height: auto; }
.showcase-caption { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-top: 21px; }
.showcase-caption span { color: #3267cd; font-size: .7rem; font-weight: 800; letter-spacing: .14em; white-space: nowrap; }
.showcase-caption p { max-width: 520px; margin: 0; color: #4c5e79; font-size: .88rem; text-align: right; }

.excel-section { position: relative; isolation: isolate; overflow: hidden; background: linear-gradient(145deg,#f7faff,#fff 70%); }
.excel-section::before { content: ""; position: absolute; z-index: -1; inset: 0; opacity: .35; background-image: linear-gradient(rgba(87,115,163,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(87,115,163,.12) 1px,transparent 1px); background-size: 45px 45px; mask-image: linear-gradient(90deg,transparent 28%,#000); }
.excel-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 82px; align-items: center; }
.excel-visual { position: relative; min-height: 450px; border-radius: 22px; overflow: hidden; box-shadow: 0 32px 68px rgba(18,42,72,.19); }
.excel-visual > img { width: 100%; height: 450px; object-fit: cover; object-position: 64% center; }
.visual-note { position: absolute; left: 23px; bottom: 23px; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border: 1px solid rgba(255,255,255,.25); border-radius: 12px; color: #fff; background: rgba(12,27,45,.7); backdrop-filter: blur(16px); }
.visual-note-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 7px; background: #147348; font-weight: 800; }
.visual-note strong, .visual-note small { display: block; line-height: 1.3; }
.visual-note strong { font-size: .75rem; }
.visual-note small { color: #c5d0e0; font-size: .62rem; }
.excel-copy .section-kicker { margin-bottom: 15px; }
.excel-copy h2 { margin-bottom: 24px; }
.excel-copy p { margin-bottom: 16px; font-size: 1.02rem; line-height: 1.78; }
.text-link { display: inline-flex; gap: 8px; margin-top: 17px; color: var(--blue-dark); font-size: .9rem; font-weight: 800; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.capabilities-section { background: #fff; }
.capabilities-heading { max-width: 900px; text-align: center; }
.capabilities-heading .section-kicker { margin-bottom: 15px; }
.capabilities-heading h2 { margin-bottom: 18px; }
.capabilities-heading h2 span { color: #517ee5; }
.capabilities-heading p { max-width: 660px; margin: 0 auto; font-size: 1.03rem; }
.capability-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; margin-top: 55px; }
.capability-card { min-height: 410px; padding: 35px; border: 1px solid #e0e7f1; border-radius: 18px; background: linear-gradient(145deg,#fff,#f9fbff); box-shadow: 0 15px 36px rgba(22,49,88,.05); }
.cap-number { margin-bottom: 40px; color: #2966da; font-size: .69rem; font-weight: 800; letter-spacing: .13em; }
.capability-card h3 { max-width: 290px; margin-bottom: 14px; }
.capability-card p { min-height: 82px; margin-bottom: 25px; font-size: .91rem; line-height: 1.65; }
.capability-card ul { display: grid; gap: 12px; padding: 19px 0 0; margin: 0; border-top: 1px solid #e1e8f1; list-style: none; color: #41516b; font-size: .83rem; font-weight: 650; }
.capability-card li::before { content: "✓"; margin-right: 10px; color: #2d70e3; font-weight: 900; }

.final-cta { position: relative; overflow: hidden; background: radial-gradient(circle at 15% 20%,rgba(79,140,249,.12),transparent 30%), #eff5ff; }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; align-items: center; }
.contact-copy .section-kicker { margin-bottom: 16px; }
.contact-copy h2 { max-width: 510px; }
.contact-copy p { max-width: 500px; font-size: 1.05rem; line-height: 1.75; }
.contact-note { display: flex; gap: 10px; margin-top: 30px; color: #51647e; font-size: .85rem; font-weight: 650; }
.contact-note span { color: var(--blue); }
.contact-form { display: grid; gap: 16px; padding: 33px; border: 1px solid #dce5f3; border-radius: 19px; background: #fff; box-shadow: 0 24px 58px rgba(20,47,86,.1); }
.form-honeypot { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: grid; gap: 7px; color: #3f5069; font-size: .73rem; font-weight: 750; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 13px; border: 1px solid #dce4ee; border-radius: 9px; outline: none; color: var(--text); background: #fff; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: #85a8f5; box-shadow: 0 0 0 4px rgba(33,98,233,.09); }
.form-submit { justify-self: start; border: 0; }
.form-status { min-height: 24px; margin: 0; font-size: .78rem; }
.form-status.success { color: #147452; }
.form-status.error { color: #b43a3a; }

.site-footer { padding: 46px 0; color: #93a4bf; background: #0b1427; }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; }
.footer-brand { display: inline-block; }
.footer-brand img { width: 177px; height: auto; }
.site-footer p { margin: 6px 0 0; color: #8393ac; font-size: .78rem; }
.footer-meta { display: flex; gap: 22px; font-size: .73rem; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}
@media (max-width: 1100px) {
  .hero-grid { gap: 35px; }
  .hero h1 { font-size: clamp(2.8rem,4.3vw,3.35rem); }
  .advantages-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .advantage-card:nth-child(3) { border-left: 0; border-top: 1px solid #e5eaf1; }
  .advantage-card:nth-child(4) { border-top: 1px solid #e5eaf1; }
  .advantage-card { min-height: 205px; }
  .excel-grid { gap: 48px; }
  .capability-card { padding: 27px; }
}
@media (max-width: 820px) {
  .shell { width: min(calc(100% - 34px),var(--shell)); }
  .section { padding: 85px 0; }
  .site-header { height: 72px; }
  .brand img { width: 155px; }
  .nav-toggle { display: block; position: relative; z-index: 52; }
  .site-nav { position: fixed; z-index: 51; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 25px; padding: 80px 34px; color: #223552; background: rgba(255,255,255,.98); font-size: 1.45rem; transform: translateX(100%); transition: transform .25s ease; }
  .site-nav.open { transform: none; }
  .nav-cta { margin-top: 10px; font-size: 1rem; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 120px 0 115px; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-copy { max-width: 680px; }
  .hero h1 { font-size: clamp(3.3rem,8vw,5.3rem); }
  .hero-media { width: min(100%,680px); margin: 0 auto; }
  .product-intro, .excel-grid, .contact-grid { grid-template-columns: 1fr; gap: 35px; }
  .product-label { width: min(360px,100%); min-height: 135px; }
  .capability-grid { grid-template-columns: 1fr; gap: 16px; }
  .capability-card { min-height: auto; }
  .cap-number { margin-bottom: 25px; }
  .capability-card p { min-height: 0; }
  .excel-visual, .excel-visual > img { height: 380px; min-height: 380px; }
  .footer-grid, .footer-meta { flex-direction: column; align-items: flex-start; }
  .footer-meta { gap: 4px; }
}
@media (max-width: 610px) {
  h2 { font-size: clamp(2.1rem,10vw,3rem); }
  .hero { padding: 112px 0 95px; }
  .hero h1 { font-size: clamp(2.75rem,12.5vw,4.2rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .button { width: 100%; }
  .hero-media { padding: 9px 0 20px; }
  .hero-screen { transform: none; }
  .hero-float { display: none; }
  .hero-media-caption { right: 0; bottom: 1px; }
  .advantages { margin-top: -42px; }
  .advantages-grid { grid-template-columns: 1fr; }
  .advantage-card, .advantage-card + .advantage-card { min-height: auto; display: grid; grid-template-columns: 46px 1fr; column-gap: 15px; padding: 19px; border-left: 0; border-top: 1px solid #e5eaf1; }
  .advantage-card:first-child { border-top: 0; }
  .benefit-icon { grid-row: span 2; margin: 0; }
  .advantage-card h2 { align-self: end; margin: 0 0 4px; }
  .advantage-card p { grid-column: 2; }
  .product-section { padding-top: 65px; }
  .product-showcase { padding: 12px; border-radius: 17px; }
  .showcase-caption { flex-direction: column; align-items: flex-start; gap: 6px; }
  .showcase-caption p { text-align: left; }
  .excel-visual, .excel-visual > img { height: 310px; min-height: 310px; }
  .visual-note { left: 13px; bottom: 13px; padding: 9px 12px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 22px; }
}