/* ============================================================================
   STARARC — styles.css   ·   "dify-built-stararc"
   Hand-built, framework-free. Blueprint-grid aesthetic, Poppins + Fira Code,
   staggered char blur-reveal. One accent color lives in :root.
   ========================================================================== */

/* ----------------------------------------------------------------- tokens - */
:root{
  /* surfaces */
  --bg:#ffffff; --bg-alt:#f6f6f3; --bg-ink:#0e0e11;
  /* ink */
  --ink:#131316; --ink-soft:#4c4c54; --ink-faint:#83838c; --ink-invert:#f4f4f2;
  /* lines — kept clearly visible so the blueprint grid reads */
  --line:#d3d3cb; --line-ink:rgba(255,255,255,.2);
  /* accent — the ONE accent. (muted-green alt: #2f6f55 / #255a45 / #e9f2ee) */
  --accent:#1c45c4; --accent-strong:#16379c; --accent-tint:#eef1fc;

  --font:"Poppins",-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"Fira Code",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;

  --s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:24px;--s-6:32px;--s-7:48px;--s-8:64px;--s-9:96px;--s-10:128px;

  --container:1200px; --measure:660px;
  --r:0px; --r-sm:0px;   /* flat / squared — no rounding */
  --ease:cubic-bezier(.4,0,.2,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --dur:200ms; --header-h:68px;
}

/* ------------------------------------------------------------------- base - */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
img,svg,canvas{display:block;max-width:100%}
h1,h2,h3,h4,p{margin:0} a{color:inherit;text-decoration:none} ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
::selection{background:var(--accent);color:#fff}

/* ------------------------------------------------------------- typography - */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.display{font-size:clamp(2.9rem,1.3rem+6.6vw,6rem);line-height:1;letter-spacing:-.03em;font-weight:600}
h2.section-title{font-size:clamp(2rem,1.2rem+3.4vw,3.5rem);line-height:1.05;letter-spacing:-.025em;font-weight:600}
h3{font-size:1.2rem;line-height:1.3;letter-spacing:-.01em;font-weight:600}
.accent-text{color:var(--accent)}
.lede{font-size:clamp(1.05rem,.98rem+.5vw,1.28rem);line-height:1.55;color:var(--ink-soft)}
.muted{color:var(--ink-soft)} .faint{color:var(--ink-faint)} .measure{max-width:var(--measure)}
.mono{font-family:var(--mono)}

/* ----------------------------------------------------------------- layout - */
/* blueprint frame: vertical hairlines at content edges + horizontal section rules */
.container{width:100%;max-width:var(--container);margin-inline:auto;
  padding-inline:clamp(var(--s-5),4vw,var(--s-7));border-inline:1px solid var(--line)}
.band-ink .container{border-color:var(--line-ink)}
main>section>.container{border-top:1px solid var(--line)}
main>section:first-child>.container{border-top:0}
.band-ink+ .band-ink .container{border-top-color:var(--line-ink)}

/* literal boxes / squares row (cells with shared borders — never slice content) */
.boxes{display:grid;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.boxes--3{grid-template-columns:repeat(3,1fr)} .boxes--4{grid-template-columns:repeat(4,1fr)}
.box{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:var(--s-5);min-height:160px;display:flex;flex-direction:column;justify-content:space-between}
.box .box-k{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint)}
.box .box-t{font-size:1.05rem;font-weight:600}

.section{padding-block:clamp(var(--s-8),9vw,var(--s-10))}
.section--tight{padding-block:clamp(var(--s-7),7vw,var(--s-9))}
.band-alt{background:var(--bg-alt)} .band-ink{background:var(--bg-ink);color:var(--ink-invert)}
.divider{border:none;border-top:1px solid var(--line);margin:0}
.section-head{max-width:780px;margin-bottom:var(--s-7)}
.section-head .eyebrow{margin-bottom:var(--s-4)} .section-head .lede{margin-top:var(--s-4)}
.skip-link{position:absolute;left:16px;top:-60px;z-index:200;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r-sm);transition:top var(--dur) var(--ease)}
.skip-link:focus{top:16px}

/* ---------------------------------------------------------------- buttons - */
.btn{display:inline-flex;align-items:center;gap:var(--s-2);font-size:.95rem;font-weight:500;line-height:1;
  padding:13px 20px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),
    transform 220ms var(--ease-out),box-shadow 220ms var(--ease-out)}
.btn:active{transform:translateY(1px)}
.btn .arrow{transition:transform var(--dur) var(--ease-out)} .btn:hover .arrow{transform:translateX(3px)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -12px rgba(28,69,196,.55)}
.btn--primary:hover{background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(28,69,196,.6)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)} .btn--ghost:hover{border-color:var(--ink)}
.btn--on-ink{background:#fff;color:var(--ink)} .btn--on-ink:hover{background:var(--ink-invert)}
.btn--ghost-ink{background:transparent;color:var(--ink-invert);border-color:rgba(244,244,242,.28)} .btn--ghost-ink:hover{border-color:var(--ink-invert)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--accent)}
.link-arrow .arrow{transition:transform var(--dur) var(--ease-out)} .link-arrow:hover .arrow{transform:translateX(3px)}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:500;color:var(--ink-soft);
  background:var(--bg);border:1px solid var(--line);padding:6px 13px;border-radius:var(--r-sm)}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}

/* ----------------------------------------------------------------- header - */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease)}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:var(--s-5)}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.04em;font-size:1.05rem}
.brand .mark{width:26px;height:26px;color:var(--accent)}
.nav-menu{display:flex;align-items:center;gap:var(--s-2)}
.nav-links{display:flex;align-items:center;gap:2px}.nav-links>li{position:relative}
.nav-links a,.nav-trigger{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;font-size:.95rem;font-weight:500;
  color:var(--ink-soft);border-radius:var(--r-sm);background:none;border:none;font-family:inherit;cursor:pointer;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}
.nav-links a:hover,.nav-trigger:hover{color:var(--ink);background:var(--bg-alt)}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-trigger .chev{transition:transform var(--dur) var(--ease)}.has-mega[aria-expanded="true"] .chev{transform:rotate(180deg)}
.mega{position:absolute;top:calc(100% + 8px);left:0;min-width:340px;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:0 24px 48px -28px rgba(0,0,0,.35);padding:var(--s-3);opacity:0;visibility:hidden;
  transform:translateY(8px);transition:opacity var(--dur) var(--ease-out),transform var(--dur) var(--ease-out),visibility var(--dur)}
.has-mega[aria-expanded="true"] .mega{opacity:1;visibility:visible;transform:none}
.mega a{display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:11px 12px;border-radius:var(--r-sm);background:none}
.mega a:hover{background:var(--bg-alt)} .mega a strong{font-size:.95rem;font-weight:600;color:var(--ink)}
.mega a span{font-size:.84rem;color:var(--ink-faint);font-weight:400}
.nav-cta .btn{padding:10px 16px}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer}
.nav-toggle svg{width:20px;height:20px}.nav-toggle .icon-close{display:none}
.nav-toggle[aria-expanded="true"] .icon-open{display:none}.nav-toggle[aria-expanded="true"] .icon-close{display:block}

/* ------------------------------------------------------------------- hero - */
.hero{padding-block:clamp(var(--s-8),8vw,116px) clamp(var(--s-8),8vw,var(--s-9))}
.hero .badge{margin-bottom:var(--s-5)} .hero .display{max-width:15ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:var(--s-3);margin-top:var(--s-7)}
.kicker-rule{width:40px;height:2px;background:var(--accent);margin-bottom:var(--s-5)}
/* hero "cells" row — concise subtext + meta in a bordered grid */
.hero-cells{display:grid;grid-template-columns:1.7fr 1fr 1fr;border-top:1px solid var(--line);margin-top:var(--s-8)}
.hero-cells .cell{padding:var(--s-6) var(--s-5) 0;border-left:1px solid var(--line)}
.hero-cells .cell:first-child{padding-left:0;border-left:0}
.hero-cells .lede{max-width:42ch}
.hero-cells .cell-k{display:block;font-size:1.5rem;font-weight:600;letter-spacing:-.015em}
.hero-cells .cell-v{display:block;font-family:var(--mono);font-size:.78rem;color:var(--ink-faint);text-transform:uppercase;letter-spacing:.08em;margin-top:8px}

/* --------------------------------------------------------------- marquee - */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.marquee__track{display:flex;align-items:center;gap:var(--s-7);width:max-content;animation:scroll-x 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}.marquee--rev .marquee__track{animation-direction:reverse}
@keyframes scroll-x{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee__track{animation:none;flex-wrap:wrap;justify-content:center}}
.chip-logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:.85rem;letter-spacing:.04em;
  text-transform:uppercase;color:var(--ink-faint);white-space:nowrap}

/* ------------------------------------------------------------ grids/cards - */
.grid{display:grid;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.grid--2{grid-template-columns:repeat(2,1fr)} .grid--3{grid-template-columns:repeat(3,1fr)} .grid--4{grid-template-columns:repeat(4,1fr)}
/* cards sit in the grid as cells, separated by the shared 1px lines */
.card{position:relative;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:var(--s-6);background:transparent;
  transition:background var(--dur) var(--ease)}
.card h3{margin-bottom:var(--s-3)} .card p{color:var(--ink-soft);font-size:.97rem}
.card .card-index{font-family:var(--mono);font-size:.8rem;font-weight:500;letter-spacing:.06em;color:var(--accent);margin-bottom:var(--s-4)}
.card .card-ico{width:34px;height:34px;color:var(--accent);margin-bottom:var(--s-4)}
.card--link:hover{background:var(--bg-alt)}
/* corner brackets that appear on hover (blueprint detail) */
.card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity 200ms var(--ease-out);
  --c:var(--accent);--t:2px;--l:15px;background:
    linear-gradient(var(--c),var(--c)) 0 0/var(--l) var(--t),linear-gradient(var(--c),var(--c)) 0 0/var(--t) var(--l),
    linear-gradient(var(--c),var(--c)) 100% 0/var(--l) var(--t),linear-gradient(var(--c),var(--c)) 100% 0/var(--t) var(--l),
    linear-gradient(var(--c),var(--c)) 0 100%/var(--l) var(--t),linear-gradient(var(--c),var(--c)) 0 100%/var(--t) var(--l),
    linear-gradient(var(--c),var(--c)) 100% 100%/var(--l) var(--t),linear-gradient(var(--c),var(--c)) 100% 100%/var(--t) var(--l);
  background-repeat:no-repeat}
.card:hover::after{opacity:1}

/* values (3-up numbered) */
.values{display:grid;gap:0;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.value{padding:var(--s-6);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.value .num{display:block;font-family:var(--mono);font-size:.8rem;font-weight:500;color:var(--accent);margin-bottom:var(--s-3)}
.value h3{margin-bottom:var(--s-2)} .value p{color:var(--ink-soft);font-size:.97rem}

/* split */
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(var(--s-6),6vw,var(--s-9))}
.split__aside .eyebrow{margin-bottom:var(--s-3)} .prose p+p{margin-top:var(--s-5)} .prose .lede+p{margin-top:var(--s-5)}

/* ------------------------------------------------------------- scrolly --- */
.scrolly{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(var(--s-6),5vw,var(--s-8));align-items:start}
.scrolly__steps{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.scrolly__step{border-bottom:1px solid var(--line);border-left:2px solid transparent;padding:var(--s-5) 0 var(--s-5) var(--s-5);transition:border-color 360ms var(--ease-out)}
.scrolly__step.is-active{border-left-color:var(--accent)}
.scrolly__step h3{font-size:clamp(1.25rem,1rem+.8vw,1.6rem);font-weight:600;letter-spacing:-.01em;color:var(--ink-faint);transition:color 300ms var(--ease-out)}
.scrolly__step.is-active h3{color:var(--ink)}
.scrolly__detail{max-height:0;opacity:0;overflow:hidden;transition:max-height 420ms var(--ease-out),opacity 320ms var(--ease-out),margin 420ms var(--ease-out)}
.scrolly__step.is-active .scrolly__detail{max-height:220px;opacity:1;margin-top:12px}
.scrolly__detail p{color:var(--ink-soft);font-size:.98rem}
.scrolly__visual{position:sticky;top:calc(var(--header-h) + 32px);height:min(70vh,560px);border:1px solid var(--line);border-radius:var(--r);background:var(--bg-alt);overflow:hidden}
.scrolly__panel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:var(--s-7);opacity:0;transform:scale(.98);transition:opacity 420ms var(--ease-out),transform 420ms var(--ease-out)}
.scrolly__panel.is-active{opacity:1;transform:none}
.panel-art{text-align:center;color:var(--ink-soft)}
.panel-art .pa-ico{width:60px;height:60px;color:var(--accent);margin:0 auto var(--s-4)}
.panel-art .pa-k{font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint)}
.panel-art h4{font-size:1.4rem;letter-spacing:-.01em;margin:8px 0 6px;color:var(--ink);font-weight:600}

/* --------------------------------------------------------------- stats --- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stats>*{padding:var(--s-5) var(--s-6);border-left:1px solid var(--line-ink)}
.stats>*:first-child{border-left:0;padding-left:0}
.stat__num{font-size:clamp(3rem,1.8rem+3.6vw,4.6rem);font-weight:600;letter-spacing:-.03em;line-height:1}
.stat__label{font-family:var(--mono);margin-top:12px;font-size:.78rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:rgba(244,244,242,.6)}

/* ---------------------------------------------------------------- tabs --- */
.tabs__list{display:inline-flex;gap:4px;border:1px solid var(--line);background:var(--bg);border-radius:var(--r-sm);padding:5px;flex-wrap:wrap}
.tab{appearance:none;border:none;background:none;font:inherit;font-size:.92rem;font-weight:500;color:var(--ink-soft);padding:9px 18px;border-radius:3px;cursor:pointer;transition:color var(--dur) var(--ease),background var(--dur) var(--ease)}
.tab[aria-selected="true"]{color:#fff;background:var(--accent)}
.tabs__panels{margin-top:var(--s-7)}
.tab-panel{display:none;animation:fade-in 420ms var(--ease-out)} .tab-panel.is-active{display:block}
@keyframes fade-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tab-panel__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(var(--s-5),4vw,var(--s-8));align-items:center}
.tab-panel__art{aspect-ratio:4/3;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-alt);display:flex;align-items:center;justify-content:center}
.feature-list{display:grid;gap:var(--s-3);margin-top:var(--s-5)}
.feature-list li{display:grid;grid-template-columns:24px 1fr;gap:var(--s-3);align-items:start;color:var(--ink-soft);font-size:.98rem}
.feature-list .tick{width:22px;height:22px;color:var(--accent);margin-top:2px}

/* ------------------------------------------------------- testimonials ---- */
.t-card{flex:0 0 auto;width:360px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);padding:var(--s-6)}
.t-card p{color:var(--ink);font-size:.98rem;line-height:1.55}
.t-card .who{display:flex;align-items:center;gap:12px;margin-top:var(--s-5)}
.t-card .av{width:38px;height:38px;border-radius:var(--r-sm);background:var(--accent-tint);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.95rem}
.t-card .who b{display:block;font-size:.9rem}.t-card .who span{font-size:.82rem;color:var(--ink-faint)}
.wall-row{margin-bottom:var(--s-5)} .wall-row .marquee__track{gap:var(--s-5)}

/* ------------------------------------------------------------- domains --- */
.domain{display:grid;grid-template-columns:56px minmax(0,.7fr) minmax(0,1.3fr);gap:clamp(var(--s-4),4vw,var(--s-7));align-items:start;padding-block:var(--s-7);border-top:1px solid var(--line)}
.domain:last-child{border-bottom:1px solid var(--line)}
.domain__num{font-family:var(--mono);font-size:.85rem;font-weight:500;color:var(--accent);padding-top:6px}
.domain__title{font-size:clamp(1.25rem,1rem+1vw,1.6rem);letter-spacing:-.015em;font-weight:600}
.domain__body p{color:var(--ink-soft)} .domain__body p+p{margin-top:var(--s-4)}
.domain__tags{display:flex;flex-wrap:wrap;gap:var(--s-2);margin-top:var(--s-5)}
.tag{font-family:var(--mono);font-size:.76rem;letter-spacing:.03em;color:var(--ink-soft);border:1px solid var(--line);border-radius:var(--r-sm);padding:5px 11px}

/* ------------------------------------------------------------- reasons --- */
.reasons{display:grid;gap:var(--s-6)}
.reason{display:grid;grid-template-columns:28px 1fr;gap:var(--s-4);align-items:start}
.reason .tick{width:22px;height:22px;margin-top:3px;color:var(--accent)}
.reason h3{margin-bottom:4px} .reason p{color:var(--ink-soft);font-size:.97rem}

/* ----------------------------------------------------------------- cta --- */
.cta-band .section-title{max-width:20ch}.cta-band .lede{color:rgba(244,244,242,.72);margin-top:var(--s-4);max-width:48ch}
.cta-band .hero-actions{margin-top:var(--s-6)}

/* ---------------------------------------------------------------- form --- */
.apply{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(var(--s-6),6vw,var(--s-9));align-items:start}
.form{border:1px solid var(--line);border-radius:var(--r);padding:clamp(var(--s-5),4vw,var(--s-7));background:var(--bg)}
.field{margin-bottom:var(--s-5)}.field:last-of-type{margin-bottom:var(--s-6)}
.field label{display:block;font-size:.9rem;font-weight:500;margin-bottom:var(--s-2)}.field label .req{color:var(--accent)}
.field .hint{font-size:.82rem;color:var(--ink-faint);margin-top:6px}
.field input,.field textarea{width:100%;font:inherit;font-size:.97rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.field input::placeholder,.field textarea::placeholder{color:#aeaeb6}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}
.field textarea{resize:vertical;min-height:130px}
.form-foot{display:flex;align-items:center;gap:var(--s-4);flex-wrap:wrap}.form-foot .btn{padding:14px 24px}
.form-note{margin-top:var(--s-5);padding:var(--s-4) var(--s-5);background:var(--accent-tint);border:1px solid #d8e0f8;border-radius:var(--r-sm);font-size:.9rem;color:var(--ink-soft)}
.form-status{display:none;margin-top:var(--s-4);font-size:.92rem;padding:var(--s-4) var(--s-5);border-radius:var(--r-sm);background:var(--bg-alt);border:1px solid var(--line)}
.form-status.is-visible{display:block}

/* --------------------------------------------------------------- footer - */
.site-footer{border-top:1px solid var(--line);padding-block:var(--s-8) var(--s-6)}
.footer-top{display:grid;grid-template-columns:1.4fr 2fr;gap:var(--s-7);margin-bottom:var(--s-8)}
.footer-brand{max-width:34ch}.footer-brand .brand{margin-bottom:var(--s-4)}.footer-brand p{color:var(--ink-soft);font-size:.95rem}
.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s-6)}
.footer-col h4{font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:var(--s-4)}
.footer-col a{display:block;font-size:.95rem;color:var(--ink-soft);padding-block:5px;transition:color var(--dur) var(--ease)}.footer-col a:hover{color:var(--ink)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:var(--s-4);flex-wrap:wrap;padding-top:var(--s-5);border-top:1px solid var(--line);font-size:.86rem;color:var(--ink-faint)}
.footer-bottom .mono{font-family:var(--mono)}

/* ------------------------------------------------------------ back-to-top */
.to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:var(--r-sm);background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity var(--dur) var(--ease-out),transform var(--dur) var(--ease-out),visibility var(--dur);z-index:90}
.to-top.is-on{opacity:1;visibility:visible;transform:none}.to-top svg{width:20px;height:20px}

/* ===================== MOTION ============================================ */
/* (1) block fade-up reveal — staggered by siblings via --reveal-delay (JS) */
.js .reveal{opacity:0;transform:translateY(20px);will-change:opacity,transform;
  transition:opacity 720ms var(--ease-out) var(--reveal-delay,0ms),transform 720ms var(--ease-out) var(--reveal-delay,0ms)}
.js .reveal.is-in{opacity:1;transform:none}

/* (2) staggered char blur-reveal for headings (the dify signature).
   Hiding is JS-driven (.is-split) so headings stay visible if JS is absent/fails. */
[data-reveal-text].is-split .word{display:inline-block;white-space:nowrap}
[data-reveal-text].is-split .char{display:inline-block;opacity:0;filter:blur(12px);transform:translateY(8px);will-change:opacity,filter,transform}
[data-reveal-text].is-split.is-revealed .char{animation:charReveal .5s var(--ease-out) forwards}
@keyframes charReveal{to{opacity:1;filter:blur(0);transform:none}}

@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  [data-reveal-text].is-split .char{opacity:1;filter:none;transform:none;animation:none}
}

/* --------------------------------------------------------- responsive ---- */
@media (max-width:980px){
  .hero .display{max-width:18ch}
  .split{grid-template-columns:1fr;gap:var(--s-6)}
  .scrolly{grid-template-columns:1fr}.scrolly__visual{display:none}
  .tab-panel__grid{grid-template-columns:1fr}
  .grid--4{grid-template-columns:repeat(2,1fr)}
  .values{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats>*{border-top:1px solid var(--line-ink)}.stats>:nth-child(-n+2){border-top:0}
  .stats>:nth-child(odd){border-left:0;padding-left:0}
  .footer-top{grid-template-columns:1fr;gap:var(--s-7)}
  .apply{grid-template-columns:1fr}
  .domain{grid-template-columns:40px 1fr}.domain__body{grid-column:1/-1}
}
@media (max-width:680px){
  body{font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-menu{display:none;position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:var(--s-3);
    background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 16px 32px -24px rgba(0,0,0,.35);padding:var(--s-4) var(--s-5) var(--s-6)}
  .site-header.is-open .nav-menu{display:flex}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px}
  .nav-links a,.nav-trigger{padding:13px 12px;font-size:1.05rem;width:100%;justify-content:space-between}
  .mega{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-left:2px solid var(--line);border-radius:0;min-width:0;margin:4px 0 4px 12px;padding:0 0 0 8px;display:none}
  .has-mega[aria-expanded="true"] .mega{display:block}
  .nav-cta .btn{width:100%;justify-content:center;padding:14px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .hero-cells{grid-template-columns:1fr}
  .hero-cells .cell{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:var(--s-5);margin-top:var(--s-4)}
  .hero-cells .cell:first-child{border-top:0;margin-top:0}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .t-card{width:82vw}
}