/* ============================================================
   NovAIFlow — Landing page styles · v1 (parallax)
   System: Convergence — The Node Where Everything Flows
   Self-contained: brand tokens inlined in :root (mirror of
   ../brand/tokens/tokens.css). Dark-canvas by default with a
   true light theme (Paper sections; hero/convergence/portfolio/
   contact/footer stay ink plates). Accent rationed: cyan on
   dark, violet on light, ONE warm Nova moment per viewport.
   ============================================================ */

:root {
  /* Ink & surfaces (brand constants) */
  --nf-ink:#0A1020; --nf-carbon:#070B16; --nf-paper:#F7F9FC;
  --nf-node-mist:#EEF2F8; --nf-hairline:#D9E0EC;
  /* Text constants */
  --nf-slate:#475569; --nf-mist:#C7D2EA;
  /* Accents (constants) */
  --nf-cyan:#18C8E6; --nf-violet:#5B4BDB; --nf-violet-strong:#4A3CC4;
  --nf-nova:#FFB23E; --nf-nova-text:#FFC46B; --nf-nova-glow:#FFE0A8;
  /* Gradients */
  --nf-grad-flow:linear-gradient(120deg,#18C8E6 0%,#5B4BDB 100%);
  --nf-grad-flow-warm:linear-gradient(120deg,#18C8E6 0%,#5B4BDB 70%,#FFB23E 100%);
  /* Type */
  --nf-font-display:"Space Grotesk","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --nf-font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --nf-font-mono:"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --fs-xs:.75rem; --fs-sm:.875rem; --fs-base:1rem; --fs-lg:1.25rem; --fs-xl:1.5625rem;
  --fs-2xl:1.9375rem; --fs-3xl:2.4375rem; --fs-4xl:3.0625rem; --fs-5xl:3.8125rem;
  --lh-body:1.6; --tracking-display:-0.015em; --tracking-label:0.14em;
  /* Spacing / radius / motion */
  --container:1180px; --pad:clamp(1.25rem,5vw,2.5rem);
  --radius-sm:8px; --radius-md:14px; --radius-lg:22px; --radius-pill:999px;
  --ease-flow:cubic-bezier(0.22,1,0.36,1);
  --dur:320ms; --dur-slow:1200ms;

  /* ---- Semantic layer · DARK theme defaults ---- */
  --nf-canvas:var(--nf-ink);            /* page background            */
  --nf-text:var(--nf-mist);             /* body text                  */
  --nf-heading:var(--nf-paper);         /* headings & strong          */
  --nf-muted:#8C9BB8;                   /* secondary text (AA ≥6:1)   */
  --nf-surface-2:#111A2E;               /* card top                   */
  --nf-surface-3:#0E1626;               /* card bottom / tiles        */
  --nf-line:rgba(199,210,234,0.12);     /* borders                    */
  --nf-line-soft:rgba(199,210,234,0.07);/* soft dividers              */
  --nf-accent:var(--nf-cyan);           /* interactive accent         */
  --nf-accent-strong:var(--nf-cyan);    /* small-text accent          */
  --nf-btn-ink:var(--nf-ink);           /* text on primary button     */
  --nf-nova-ink:var(--nf-nova-text);    /* warm accent readable on canvas */
}

/* ---- Semantic layer · LIGHT theme (Paper canvas) ----
   Brand rule: on light surfaces the accent is Flow Violet — never cyan. */
[data-theme="light"] {
  --nf-canvas:var(--nf-paper);
  --nf-text:var(--nf-slate);
  --nf-heading:#0F172A;
  --nf-muted:#556377; /* ≈5.6:1 on Paper — AA with margin for small secondary text */
  --nf-surface-2:#FFFFFF;
  --nf-surface-3:#FFFFFF;
  --nf-line:var(--nf-hairline);
  --nf-line-soft:#E7ECF4;
  --nf-accent:var(--nf-violet);
  --nf-accent-strong:var(--nf-violet-strong);
  --nf-btn-ink:#FFFFFF;
  --nf-nova-ink:#A16207; /* amber legible sobre Paper (AA large) */
}

/* Ink plate: SOLO Convergence conserva el sistema oscuro en tema claro.
   Es el momento oscuro de firma de la marca — todo lo demás es Paper. */
.dark-plate {
  --nf-text:var(--nf-mist);
  --nf-heading:var(--nf-paper);
  --nf-muted:#8C9BB8;
  --nf-surface-2:#111A2E;
  --nf-surface-3:#0E1626;
  --nf-line:rgba(199,210,234,0.12);
  --nf-line-soft:rgba(199,210,234,0.07);
  --nf-accent:var(--nf-cyan);
  --nf-accent-strong:var(--nf-cyan);
  --nf-btn-ink:var(--nf-ink);
}

/* ---------- Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--nf-font-body);
  font-size:var(--fs-base);
  line-height:var(--lh-body);
  color:var(--nf-text);
  background:var(--nf-canvas);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background var(--dur) var(--ease-flow),color var(--dur) var(--ease-flow);
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--nf-font-display);font-weight:600;line-height:1.14;letter-spacing:var(--tracking-display);color:var(--nf-heading)}
strong{color:var(--nf-heading);font-weight:600}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--pad)}
main:focus{outline:none}

.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--nf-cyan);color:var(--nf-ink);
  padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) 0;font-weight:600}
.skip-link:focus{left:0}

:focus-visible{outline:2px solid var(--nf-accent);outline-offset:3px;border-radius:4px}
::selection{background:var(--nf-violet);color:#FFFFFF}

/* ---------- Shared bits ---------- */
.mono{font-family:var(--nf-font-mono);font-weight:500;letter-spacing:var(--tracking-label);
  text-transform:uppercase;font-size:var(--fs-xs)}
.kicker{font-family:var(--nf-font-mono);font-weight:500;letter-spacing:var(--tracking-label);
  text-transform:uppercase;font-size:var(--fs-xs);color:var(--nf-accent-strong);margin-bottom:1.1rem}
/* Firma: el nodo — cada kicker nace de un punto ámbar (many systems in, one flow out) */
.kicker::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  background:var(--nf-nova);box-shadow:0 0 0 3px rgba(255,178,62,.16);
  margin-right:.6rem;vertical-align:1px}
.accent{color:var(--nf-accent)}
.ai{color:var(--nf-accent);font-weight:700}
.site-header .ai,.site-footer .ai{color:var(--nf-accent-strong)}
.brand-word .ai{letter-spacing:.02em}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--nf-font-display);
  font-weight:600;font-size:var(--fs-base);line-height:1;padding:.85rem 1.4rem;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;transition:transform var(--dur) var(--ease-flow),
  background var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow),box-shadow var(--dur) var(--ease-flow);white-space:nowrap}
.btn-sm{padding:.6rem 1.05rem;font-size:var(--fs-sm)}
.btn-lg{padding:1rem 1.7rem;font-size:var(--fs-lg)}
.btn-primary{background:var(--nf-accent);color:var(--nf-btn-ink)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(24,200,230,.18),0 14px 40px -10px rgba(24,200,230,.35)}
[data-theme="light"] .btn-primary:hover{box-shadow:0 0 0 1px rgba(91,75,219,.18),0 14px 40px -10px rgba(91,75,219,.35)}
.btn-ghost{background:transparent;color:var(--nf-heading);border-color:var(--nf-line)}
.btn-ghost:hover{border-color:var(--nf-accent);color:var(--nf-accent);transform:translateY(-2px)}

.link-arrow{display:inline-flex;align-items:center;gap:.4rem;color:var(--nf-accent-strong);font-weight:600;
  font-family:var(--nf-font-display);transition:gap var(--dur) var(--ease-flow)}
.link-arrow:hover{gap:.75rem}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;
  background:rgba(10,16,32,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:background var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow)}
.site-header.scrolled{background:rgba(7,11,22,.85);border-bottom-color:var(--nf-line)}
[data-theme="light"] .site-header{background:rgba(247,249,252,.72)}
[data-theme="light"] .site-header.scrolled{background:rgba(255,255,255,.88);border-bottom-color:var(--nf-hairline)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.header-right{display:flex;align-items:center;gap:1.1rem}
.brand{display:inline-flex;align-items:center;gap:.6rem}
.brand-mark{flex:none}
.brand-word{font-family:var(--nf-font-display);font-weight:600;font-size:var(--fs-lg);
  letter-spacing:var(--tracking-display);color:var(--nf-heading)}
.site-nav{display:flex;align-items:center;gap:2rem}
.site-nav a:not(.btn){font-weight:500;color:var(--nf-text);transition:color var(--dur) var(--ease-flow)}
.site-nav a:not(.btn):hover{color:var(--nf-heading)}

/* Header tools: theme + language toggles */
.header-tools{display:flex;align-items:center;gap:.5rem}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--nf-line);border-radius:var(--radius-sm);
  color:var(--nf-text);cursor:pointer;
  transition:color var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow),transform var(--dur) var(--ease-flow)}
.icon-btn:hover{color:var(--nf-heading);border-color:var(--nf-accent);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.lang-code{font-family:var(--nf-font-mono);font-size:var(--fs-xs);font-weight:500;letter-spacing:.06em}
/* show the icon of the theme you would switch TO */
[data-theme="dark"] .ico-moon{display:none}
[data-theme="light"] .ico-sun{display:none}

/* Mobile nav: native <details> disclosure (works without JS) */
.nav-disclosure{display:none;position:relative}
.nav-toggle{list-style:none;cursor:pointer;width:44px;height:44px;
  display:flex;flex-direction:column;gap:5px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--nf-line);border-radius:var(--radius-sm)}
.nav-toggle::-webkit-details-marker{display:none}
.nav-toggle::marker{content:""}
.nav-toggle span{width:20px;height:2px;background:var(--nf-heading);border-radius:2px;transition:transform var(--dur),opacity var(--dur)}
.nav-disclosure[open] .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-disclosure[open] .nav-toggle span:nth-child(2){opacity:0}
.nav-disclosure[open] .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{position:absolute;top:calc(100% + 14px);right:0;min-width:230px;z-index:120;
  display:flex;flex-direction:column;gap:.1rem;padding:1rem 1.25rem 1.25rem;
  background:var(--nf-surface-2);border:1px solid var(--nf-line);border-radius:var(--radius-md);
  box-shadow:0 24px 50px -20px rgba(7,11,22,.35)}
.mobile-nav a:not(.btn){padding:.75rem .25rem;color:var(--nf-text);font-weight:500;border-bottom:1px solid var(--nf-line-soft)}
.mobile-nav .btn{margin-top:.85rem;justify-content:center}

/* ---------- Parallax layers ---------- */
.plx{will-change:transform}
.hero-art{position:absolute;left:0;right:0;top:-22%;bottom:-22%;z-index:0;pointer-events:none;
  background:url("assets/nova-hero.jpg") center/cover no-repeat;opacity:.5}
.hero-art>.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
@media (prefers-reduced-motion:reduce){.hero-art>.hero-video{display:none}}
.contact-art{position:absolute;left:0;right:0;top:-28%;bottom:-10%;z-index:0;pointer-events:none;
  background:url("assets/nova-contact.jpg") center/cover no-repeat;opacity:.45}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:clamp(3.5rem,9vw,7rem) clamp(4rem,10vw,8rem);
  background:radial-gradient(120% 120% at 80% 0%,#0E1730 0%,var(--nf-ink) 46%,var(--nf-carbon) 100%)}
[data-theme="light"] .hero{
  background:
    radial-gradient(90% 90% at 82% 8%,rgba(255,178,62,.10),transparent 55%),
    radial-gradient(120% 120% at 20% 110%,rgba(91,75,219,.10),transparent 60%),
    linear-gradient(180deg,#FFFFFF 0%,var(--nf-paper) 55%,var(--nf-node-mist) 100%)}
/* En claro el hero usa su propio arte high-key (el video dark se oculta) */
[data-theme="light"] .hero-art{background-image:url("assets/nova-hero-light.jpg");opacity:.9}
[data-theme="light"] .hero-art>.hero-video{display:none}
.hero-glow{position:absolute;inset:auto -10% -40% 30%;height:80%;z-index:0;
  background:radial-gradient(closest-side,rgba(91,75,219,.30),rgba(24,200,230,.10) 55%,transparent 75%);
  filter:blur(10px);pointer-events:none}
[data-theme="light"] .hero-glow{opacity:.35}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;align-items:center;
  min-height:clamp(20rem,44vh,30rem)} /* el arte del fondo ocupa la mitad derecha */
.hero-copy{max-width:36rem}
.hero h1{font-size:clamp(2.5rem,6.4vw,4.75rem);line-height:1.05;letter-spacing:-0.02em;margin-bottom:1.4rem;color:var(--nf-heading)}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--nf-text);max-width:34rem;margin-bottom:2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2rem}
.hero-meta{color:var(--nf-muted);font-size:var(--fs-xs)}
.hero-meta .mono{color:var(--nf-text)}

/* ---------- Proof / track record (ink band) ---------- */
.proof{position:relative;padding-block:clamp(3rem,6vw,4.75rem);
  background:var(--nf-carbon);border-block:1px solid var(--nf-line-soft)}
[data-theme="light"] .proof{background:#FFFFFF}
.proof-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1.6rem;margin-bottom:2.2rem}
.proof-head .kicker{margin-bottom:0}
.proof-head h2{font-size:var(--fs-xl)}
.stat-band{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:1.4rem 1.25rem}
.stat{border-left:1px solid var(--nf-line);padding-left:1.1rem;display:flex;flex-direction:column;gap:.3rem}
.stat-v{font-family:var(--nf-font-display);font-weight:700;letter-spacing:-0.02em;
  font-size:clamp(1.7rem,2.8vw,2.35rem);line-height:1.05;color:var(--nf-heading);font-variant-numeric:tabular-nums}
.stat:nth-child(4) .stat-v{color:var(--nf-nova-ink)} /* the one warm Nova moment in this band */
.stat-l{color:var(--nf-muted);font-size:var(--fs-sm);line-height:1.45}

/* ---------- Sections ---------- */
.section{padding-block:clamp(4rem,9vw,7.5rem);position:relative}
.section-head{max-width:42rem;margin-bottom:clamp(2.5rem,5vw,4rem)}
.section-head h2{font-size:clamp(1.9rem,4vw,3.0625rem);margin-bottom:1rem}
.section-lede{color:var(--nf-text);font-size:var(--fs-lg)}
.services{border-top:1px solid var(--nf-line-soft)}

/* ---------- Service cards ---------- */
.card-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,265px),1fr));gap:1.25rem}
.card{position:relative;display:flex;flex-direction:column;gap:.5rem;padding:1.7rem 1.6rem;
  background:linear-gradient(180deg,var(--nf-surface-2),var(--nf-surface-3));
  border:1px solid var(--nf-line);border-radius:var(--radius-lg);
  transition:transform var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow),box-shadow var(--dur) var(--ease-flow)}
.card::before{content:"";position:absolute;left:1.6rem;right:1.6rem;top:0;height:2px;border-radius:2px;
  background:var(--nf-grad-flow);transform:scaleX(0);transform-origin:left;opacity:0;
  transition:transform var(--dur) var(--ease-flow),opacity var(--dur) var(--ease-flow)}
.card:hover{transform:translateY(-4px);border-color:rgba(91,75,219,.4);box-shadow:0 24px 50px -28px rgba(10,16,32,.35)}
.dark-plate .card:hover,.hero .card:hover{box-shadow:0 24px 50px -28px rgba(0,0,0,.8)}
.card:hover::before{transform:scaleX(1);opacity:1}
.card-index{color:var(--nf-muted)}
.card h3{font-size:var(--fs-lg)}
.card .card-tag{color:var(--nf-heading);font-weight:500;font-size:var(--fs-base)}
.card-list{list-style:none;display:flex;flex-direction:column;gap:.4rem;margin:.45rem 0 .3rem}
.card-list li{position:relative;padding-left:1rem;color:var(--nf-text);font-size:var(--fs-sm)}
.card-list li::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--nf-slate)}
.card .card-deliverable{color:var(--nf-muted);margin-top:auto;padding-top:.7rem}
.card-cta{justify-content:center;background:transparent;border-style:dashed;border-color:var(--nf-line);gap:.7rem}
.card-cta:hover{border-color:var(--nf-accent);transform:translateY(-4px)}
.card-cta .link-arrow{margin-top:.2rem}

/* ---------- Convergence (ink plate) ---------- */
.convergence{background:linear-gradient(180deg,var(--nf-carbon),var(--nf-ink));border-block:1px solid var(--nf-line-soft)}
.conv-inner{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.conv-copy{max-width:30rem}
.conv-copy h2{font-size:clamp(1.8rem,3.6vw,2.7rem);margin-bottom:1.1rem}
.conv-copy p{color:var(--nf-mist);margin-bottom:1rem}
.conv-claim{font-size:var(--fs-xl);color:var(--nf-paper)}
.conv-visual img{width:100%;height:auto;display:block;
  -webkit-mask-image:radial-gradient(88% 72% at 50% 50%,#000 30%,transparent 82%);
  mask-image:radial-gradient(88% 72% at 50% 50%,#000 30%,transparent 82%)}

/* ---------- Case studies ---------- */
.cases{border-top:1px solid var(--nf-line-soft)}
.case-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:1.25rem}
.case-card{position:relative;display:flex;flex-direction:column;gap:.65rem;padding:1.85rem 1.7rem;
  background:linear-gradient(180deg,var(--nf-surface-2),var(--nf-surface-3));
  border:1px solid var(--nf-line);border-radius:var(--radius-lg);
  transition:transform var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow),box-shadow var(--dur) var(--ease-flow)}
.case-card:hover{transform:translateY(-4px);border-color:rgba(91,75,219,.45);box-shadow:0 24px 50px -28px rgba(10,16,32,.3)}
.case-tag{color:var(--nf-accent-strong)}
.case-card h3{font-size:var(--fs-xl);line-height:1.2}
.case-card p{color:var(--nf-text);font-size:var(--fs-base)}
.case-metric{margin-top:auto;padding-top:1rem;border-top:1px solid var(--nf-line-soft);
  color:var(--nf-muted);font-size:var(--fs-sm)}
.case-metric strong{font-family:var(--nf-font-display);font-size:var(--fs-lg);color:var(--nf-heading)}

/* ---------- Industries ---------- */
.industries{border-top:1px solid var(--nf-line-soft)}
.industry-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,170px),1fr));gap:1rem}
.industry{display:flex;flex-direction:column;align-items:center;gap:.85rem;text-align:center;
  padding:1.7rem 1rem;background:var(--nf-surface-3);border:1px solid var(--nf-line);border-radius:var(--radius-md);
  transition:transform var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow)}
.industry:hover{transform:translateY(-3px);border-color:rgba(91,75,219,.4)}
.industry-ico{color:var(--nf-text);display:flex}
.industry-ico svg{width:30px;height:30px}
.industry h3{font-size:var(--fs-base);font-weight:600}

/* ---------- Approach / flowline ---------- */
.flowline{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:1.25rem;position:relative}
.flowline::before{content:"";position:absolute;top:7px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--nf-cyan),var(--nf-violet));opacity:.55;border-radius:2px}
.flow-step{position:relative;padding-top:2.4rem}
.flow-dot{position:absolute;top:0;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--nf-canvas);border:3px solid var(--nf-accent);box-shadow:0 0 0 4px rgba(24,200,230,.12)}
[data-theme="light"] .flow-dot{box-shadow:0 0 0 4px rgba(91,75,219,.12)}
.flow-dot-end{background:var(--nf-nova);border-color:var(--nf-nova);box-shadow:0 0 0 4px rgba(255,178,62,.18)}
.flow-step h3{font-size:var(--fs-lg);margin-bottom:.4rem}
.flow-step p{color:var(--nf-text);font-size:var(--fs-sm)}

/* ---------- Portfolio (ink plate) ---------- */
.portfolio{background:var(--nf-carbon);border-top:1px solid var(--nf-line-soft)}
[data-theme="light"] .portfolio{background:var(--nf-node-mist)}
.node-grid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:1.25rem}
.node-card{position:relative;padding:1.9rem 1.7rem;background:var(--nf-surface-3);
  border:1px solid var(--nf-line);border-radius:var(--radius-lg);transition:transform var(--dur) var(--ease-flow),border-color var(--dur) var(--ease-flow)}
.node-card:hover{transform:translateY(-4px);border-color:rgba(91,75,219,.45)}
.node-dot{display:block;width:14px;height:14px;border-radius:50%;margin-bottom:1.1rem;
  background:var(--nf-nova);box-shadow:0 0 0 5px rgba(255,178,62,.12)}
.node-card h3{font-size:var(--fs-xl);margin-bottom:.5rem}
.node-card p{color:var(--nf-text);font-size:var(--fs-base)}

/* ---------- Founder ---------- */
.founder{border-top:1px solid var(--nf-line-soft)}
.founder-inner{max-width:46rem}
.founder-copy h2{font-size:clamp(1.9rem,3.6vw,2.7rem);margin-bottom:1.1rem}
.founder-copy p{color:var(--nf-text);font-size:var(--fs-lg)}
.founder-links{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.7rem}

/* ---------- Contact (ink plate, parallax art) ---------- */
.contact{position:relative;overflow:hidden;text-align:center;
  background:radial-gradient(120% 130% at 50% 120%,#13204a 0%,var(--nf-ink) 55%)}
[data-theme="light"] .contact{
  background:
    radial-gradient(100% 120% at 50% 118%,rgba(91,75,219,.14),transparent 62%),
    linear-gradient(180deg,var(--nf-paper),#FFFFFF)}
[data-theme="light"] .contact-art{display:none}
.contact-inner{position:relative;z-index:1;max-width:46rem;margin-inline:auto}
.contact h2{font-size:clamp(2rem,4.6vw,3.4rem);margin-bottom:1.1rem}
.contact .section-lede{margin-inline:auto;max-width:34rem;margin-bottom:2.2rem;color:var(--nf-text)}
.contact-actions{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--nf-carbon);border-top:1px solid var(--nf-line);padding-block:3.5rem 2.5rem}
[data-theme="light"] .site-footer{background:#FFFFFF;border-top-color:var(--nf-hairline)}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1.4fr;gap:2rem;align-items:start}
.footer-brand .brand{margin-bottom:1rem}
.footer-tagline{color:var(--nf-muted);font-size:var(--fs-sm);max-width:20rem}
.footer-nav{display:flex;flex-direction:column;gap:.7rem}
.footer-nav a{color:var(--nf-text);transition:color var(--dur)}
.footer-nav a:hover{color:var(--nf-accent-strong)}
.footer-meta{color:var(--nf-muted);display:flex;flex-direction:column;gap:.5rem;text-align:right}
.footer-meta .lang{color:var(--nf-text)}

/* ============================================================
   Motion — reveal on scroll + SVG draw-in
   Hidden initial states are gated on html.js: without JavaScript
   (no-js) every section renders fully visible — no blank page if
   main.js fails to load.
   ============================================================ */
/* :where() keeps hidden-state specificity at (0,1,1) so .reveal.in,
   .draw … and the reduced-motion overrides below always win. */
html.js :where(.reveal){opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease-flow),transform .7s var(--ease-flow)}
.reveal.in{opacity:1;transform:none}
.card-grid .reveal.in,.node-grid .reveal.in,.industry-grid .reveal.in,.flowline .reveal.in,
.stat-band .reveal.in,.case-grid .reveal.in{transition-delay:var(--d,0ms)}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1080px){
  .stat-band{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:920px){
  .hero-inner{grid-template-columns:1fr;text-align:left}
  .conv-inner{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-meta{grid-column:1/-1;text-align:left}
}
@media (max-width:760px){
  .site-nav{display:none}
  .nav-disclosure{display:block}
  .header-inner{height:60px}
  .brand-word{font-size:var(--fs-base)}
  .proof-head{flex-direction:column;align-items:flex-start;gap:.35rem}
  .section-lede{font-size:var(--fs-base)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  /* vertical flowline: per-step connector segments (no overshoot) */
  .flowline{grid-template-columns:1fr;gap:0}
  .flowline::before{display:none}
  .flow-step{padding:0 0 1.8rem 2.4rem}
  .flow-step:last-child{padding-bottom:0}
  .flow-step:not(:last-child)::after{content:"";position:absolute;left:7px;top:14px;height:100%;width:2px;
    background:linear-gradient(180deg,var(--nf-cyan),var(--nf-violet));opacity:.5}
  .flow-dot{top:2px}
}
@media (max-width:560px){
  .footer-inner{grid-template-columns:1fr}
  .footer-meta{text-align:left}
  .btn{width:100%;justify-content:center}
  .hero-actions .btn,.contact-actions .btn{width:100%}
  .card,.case-card{padding:1.45rem 1.3rem}
  .node-card{padding:1.6rem 1.4rem}
  .stat-band{gap:1.15rem 1rem}
  .stat{padding-left:.9rem}
  .hero{padding-block:2.75rem 3.75rem}
}

/* ============================================================
   Reduced motion — disable all movement, show final state
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html .reveal{opacity:1;transform:none}
  html .plx,html [data-plx]{transform:none!important}
}