:root{
  --fd-ink:#07111f;
  --fd-navy:#0b1525;
  --fd-blue:#0047FF;
  --fd-blue-2:#0047FF;
  --fd-soft:#f4f7fb;
  --fd-line:#dce4ee;
  --fd-muted: #111111;
  --fd-white:#fff;
}
.fd-hero{background:linear-gradient(135deg,#07111f 0%,#0b1930 58%,#0b2f5c 100%);color:#fff;padding:92px 0 76px;overflow:hidden;position:relative}
.fd-hero:after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(0,71,255,.22);filter:blur(80px);right:-170px;top:-180px;pointer-events:none}
.fd-hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);gap:58px;align-items:center;position:relative;z-index:1}
.fd-brand-lockup{display:flex;align-items:center;gap:14px;margin-bottom:26px;font-weight:700;letter-spacing:.02em}
.fd-brand-lockup img{width:52px;height:52px;object-fit:contain}
.fd-kicker{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#9fc8ff;font-weight:700}
.fd-title{font-size:clamp(48px,6vw,82px);line-height:.98;letter-spacing:-.055em;margin:14px 0 22px;max-width:780px}
.fd-title span{color:#8ec2ff}
.fd-lead{font-size:clamp(18px,2vw,22px);line-height:1.65;color:rgba(255,255,255,.78);max-width:760px;margin:0}
.fd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.fd-btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 22px;border-radius:999px;font-weight:700;text-decoration:none;border:1px solid transparent;transition:transform .2s ease,background .2s ease,border-color .2s ease}
.fd-btn:hover{transform:translateY(-2px)}
.fd-btn.primary{background:#fff;color:#07111f}.fd-btn.secondary{border-color:rgba(255,255,255,.34);color:#fff;background:rgba(255,255,255,.06)}
.fd-hero-art{margin:0;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:32px;padding:18px;box-shadow:0 30px 90px rgba(0,0,0,.28)}
.fd-hero-art img{width:100%;height:auto;display:block;border-radius:22px;background:#fff}
.fd-section{padding:88px 0}.fd-section.alt{background:var(--fd-soft)}.fd-section.dark{background:var(--fd-navy);color:#fff}
.fd-head{max-width:840px;margin-bottom:38px}.fd-head.center{text-align:center;margin-left:auto;margin-right:auto}
.fd-eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--fd-blue);font-weight:800}
.fd-section.dark .fd-eyebrow{color:#8ec2ff}
.fd-h2{font-size:clamp(34px,4.4vw,56px);line-height:1.05;letter-spacing:-.04em;margin:12px 0 16px;color:var(--fd-ink)}
.fd-section.dark .fd-h2{color:#fff}
.fd-copy{font-size:18px;line-height:1.7;color:var(--fd-muted);margin:0}.fd-section.dark .fd-copy{color:rgba(255,255,255,.72)}
.fd-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.fd-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.fd-card{border:1px solid var(--fd-line);border-radius:24px;padding:26px;background:#fff;box-shadow:0 16px 45px rgba(13,32,57,.05)}
.fd-card h3{font-size:22px;letter-spacing:-.025em;margin:8px 0 10px;color:var(--fd-ink)}.fd-card p{color:var(--fd-muted);line-height:1.65;margin:0}
.fd-num{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;padding:0 9px;border-radius:999px;background:#eaf3ff;color:var(--fd-blue);font-weight:800;font-size:12px}
.fd-symptoms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.fd-symptom{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1px solid var(--fd-line);border-radius:18px;padding:18px}.fd-symptom b{color:var(--fd-ink)}.fd-symptom span:first-child{color:var(--fd-blue);font-weight:900}
.fd-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.95fr);gap:48px;align-items:center}.fd-split.reverse{grid-template-columns:minmax(340px,.95fr) minmax(0,1fr)}
.fd-visual{margin:0;border:1px solid var(--fd-line);background:#fff;border-radius:28px;padding:14px;box-shadow:0 20px 55px rgba(13,32,57,.08)}.fd-visual img{display:block;width:100%;height:auto;border-radius:18px}.fd-visual.portrait{max-width:520px;margin:auto}
.fd-flow{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-top:34px}.fd-flow-step{background:#fff;border:1px solid var(--fd-line);border-radius:18px;padding:18px;text-align:center;font-weight:750;color:var(--fd-ink)}.fd-flow-step small{display:block;margin-top:7px;color:var(--fd-muted);font-weight:500;line-height:1.4}
.fd-proof{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}.fd-proof-main,.fd-proof-note{border-radius:26px;padding:30px}.fd-proof-main{background:linear-gradient(135deg,#0b1930,#0f4072);color:#fff}.fd-proof-note{background:#fff;border:1px solid var(--fd-line)}
.fd-metric{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin:24px 0}.fd-metric-block strong{font-size:40px;display:block;letter-spacing:-.04em}.fd-metric-block span{font-size:14px;color:rgba(255,255,255,.68)}.fd-arrow{font-size:26px;color:#8ec2ff}
.fd-principles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.fd-principles img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid var(--fd-line)}
.fd-faq{display:grid;gap:10px;max-width:920px;margin:0 auto}.fd-faq details{background:#fff;border:1px solid var(--fd-line);border-radius:16px;padding:0 20px}.fd-faq summary{cursor:pointer;font-weight:750;color:var(--fd-ink);padding:18px 0}.fd-faq p{color:var(--fd-muted);line-height:1.65;margin:0 0 18px}
.fd-demo{background:linear-gradient(135deg,#07111f,#0e3762);border-radius:34px;padding:44px;color:#fff;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}.fd-demo h2{font-size:clamp(34px,4vw,54px);line-height:1.04;letter-spacing:-.04em;margin:0 0 14px}.fd-demo p{color:rgba(255,255,255,.74);font-size:18px;line-height:1.65;margin:0;max-width:780px}
.fd-note{font-size:13px;color:var(--fd-muted);margin-top:12px;line-height:1.55}
@media(max-width:1000px){.fd-hero-grid,.fd-split,.fd-split.reverse,.fd-proof,.fd-demo{grid-template-columns:1fr}.fd-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.fd-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.fd-principles{grid-template-columns:repeat(3,minmax(0,1fr))}.fd-demo .fd-actions{margin-top:0}}
@media(max-width:700px){.fd-hero{padding:66px 0 50px}.fd-section{padding:64px 0}.fd-grid,.fd-grid.four,.fd-symptoms,.fd-flow{grid-template-columns:1fr}.fd-principles{grid-template-columns:repeat(2,minmax(0,1fr))}.fd-title{font-size:48px}.fd-h2{font-size:36px}.fd-card{padding:22px}.fd-demo{padding:28px;border-radius:26px}.fd-metric{grid-template-columns:1fr;text-align:center}.fd-arrow{transform:rotate(90deg)}}
@media(prefers-reduced-motion:reduce){.fd-btn{transition:none}.fd-btn:hover{transform:none}}

/* Commercial product alignment pass — FolderDesk product canon + OneDrive scene mapping */
.fd-hero-note{margin:18px 0 0;color:#d7e8fb;font-weight:650;max-width:720px}
.fd-closing-line{margin:28px 0 0;text-align:center;font-weight:800;color:var(--fd-ink);font-size:18px}.fd-closing-line.light{color:#dbeafe;text-align:left}
.fd-before-after-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:stretch}
.fd-state{border-radius:26px;padding:30px;border:1px solid var(--fd-line);background:#fff}.fd-state.before{background:#f8fafc}.fd-state.after{background:#eef6ff;border-color:#bcd8f6}.fd-state h3{font-size:28px;margin:0 0 18px;letter-spacing:-.03em;color:var(--fd-ink)}.fd-state ul{margin:0;padding:0;list-style:none;display:grid;gap:11px;color:var(--fd-muted)}.fd-state li:before{content:'•';color:var(--fd-blue);font-weight:900;margin-right:10px}.fd-transition{display:grid;place-items:center;font-size:34px;color:var(--fd-blue);font-weight:800}
.fd-compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fd-compare>div{border:1px solid var(--fd-line);border-radius:20px;padding:22px;background:#fff;display:grid;gap:9px}.fd-compare strong{font-size:22px;color:var(--fd-ink)}.fd-compare span{color:var(--fd-muted);line-height:1.5}
.fd-value-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.fd-value{grid-column:span 4;border:1px solid var(--fd-line);border-radius:22px;padding:24px;background:#fff}.fd-value.primary,.fd-value.proof{grid-column:span 6;background:#eef6ff;border-color:#bcd8f6}.fd-value h3{margin:0 0 9px;font-size:22px;color:var(--fd-ink)}.fd-value p{margin:0;color:var(--fd-muted);line-height:1.65}
.fd-wide-visual{max-width:980px;margin:0 auto}.compact-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.fd-section.dark .fd-flow-step{background:#10233c;border-color:rgba(255,255,255,.14);color:#fff}.fd-section.dark .fd-flow-step small{color:rgba(255,255,255,.68)}
.fd-workspace-list{display:grid;gap:0;border-top:1px solid var(--fd-line)}.fd-workspace-list>div{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--fd-line)}.fd-workspace-list strong{color:var(--fd-ink)}.fd-workspace-list span{color:var(--fd-muted)}
.fd-system-tags{display:flex;flex-wrap:wrap;gap:9px}.fd-system-tags span{border:1px solid var(--fd-line);border-radius:999px;padding:9px 12px;background:#fff;color:var(--fd-ink);font-weight:650;font-size:14px}
.fd-stages{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--fd-line);border-radius:24px;overflow:hidden;background:#fff}.fd-stages>div{padding:24px;border-right:1px solid var(--fd-line);min-height:190px}.fd-stages>div:last-child{border-right:0}.fd-stages strong{display:block;color:var(--fd-ink);font-size:18px;margin-bottom:10px}.fd-stages span{display:block;color:var(--fd-muted);line-height:1.55;font-size:14px}
.fd-human-ai{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.fd-human-ai span{padding:11px 13px;border:1px solid rgba(255,255,255,.18);border-radius:12px;background:rgba(255,255,255,.07);color:#fff;font-weight:700}.fd-human-ai b{color:#8ec2ff}
.fd-btn.dark-text{background:var(--fd-blue);color:#fff}
.fd-proof-note h3{font-size:28px;letter-spacing:-.03em;margin:0 0 12px;color:var(--fd-ink)}
@media(max-width:1000px){.fd-before-after-grid{grid-template-columns:1fr}.fd-transition{transform:rotate(90deg);min-height:34px}.fd-value{grid-column:span 6}.fd-value.primary,.fd-value.proof{grid-column:1/-1}.fd-stages{grid-template-columns:1fr}.fd-stages>div{min-height:0;border-right:0;border-bottom:1px solid var(--fd-line)}.fd-stages>div:last-child{border-bottom:0}}
@media(max-width:700px){.fd-value,.fd-value.primary,.fd-value.proof{grid-column:1/-1}.fd-compare{grid-template-columns:1fr}.compact-flow{grid-template-columns:1fr}.fd-workspace-list>div{grid-template-columns:1fr;gap:5px}.fd-hero-note{font-size:15px}.fd-state{padding:24px}.fd-human-ai{display:grid;grid-template-columns:1fr}.fd-human-ai b{transform:rotate(90deg);text-align:center}.fd-principles{grid-template-columns:1fr 1fr}}