/* ============================================================
   Insphere Ideas — shared design system
   Editorial: Cormorant Garamond · DM Sans · DM Mono
   ============================================================ */

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ── Tokens ── */
:root{
  --ink:#141414;--ink-2:#3a3a3a;--ink-3:#6f6f6f;--ink-4:#a6a6a6;
  --paper:#fafaf8;--white:#ffffff;--wash:#f2f2ee;
  --red:#b8281e;--red-2:#9c1f16;--red-dim:#f5e8e7;--red-mid:#e8d0ce;
  --rule:#e2e2de;--dark:#0f0f0d;--dark-2:#1c1c1a;--dark-rule:#2e2e2b;
  --f-display:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --f-body:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --f-mono:'DM Mono','SF Mono',ui-monospace,monospace;
  --max:1140px;--wide:1280px;--gutter:clamp(1.5rem,5vw,4rem);
}

/* ── Base ── */
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-weight:300;font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
::selection{background:var(--red-mid);color:var(--ink)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.6rem 1rem;font-family:var(--f-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;z-index:400}
.skip:focus{left:.5rem;top:.5rem}

/* ── Nav ── */
.nav-wrap{position:fixed;top:0;left:0;right:0;z-index:200;height:72px}
.nav-bg{position:absolute;inset:0;background:rgba(250,250,248,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--rule);opacity:0;transition:opacity .4s}
.nav-bg.on{opacity:1}
.nav-inner{position:relative;max-width:var(--wide);margin:0 auto;padding:0 var(--gutter);height:72px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.nav-logo-img{height:48px;width:auto;display:block}
.nav-logo-mark{width:28px;height:28px;flex-shrink:0}
.nav-wordmark{font-family:var(--f-display);font-weight:600;font-size:1.25rem;letter-spacing:.14em;color:var(--ink);text-transform:uppercase}
.nav-wordmark small{color:var(--ink-4);font-weight:400}
.nav-links{display:flex;align-items:center;gap:2.1rem}
.nav-link{position:relative;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);text-decoration:none;padding:.4rem 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav-link:hover,.nav-link.active{color:var(--ink);border-color:var(--ink)}
/* dropdown */
.nav-item{position:relative}
.nav-item>.nav-link{display:inline-flex;align-items:center;gap:.4rem}
.nav-item>.nav-link::after{content:'';width:5px;height:5px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-1px);transition:transform .2s}
.nav-menu{position:absolute;top:calc(100% + .5rem);left:-1rem;min-width:250px;background:var(--white);border:1px solid var(--rule);box-shadow:0 20px 50px rgba(20,20,20,.1);padding:.6rem;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .22s,transform .22s,visibility .22s}
.nav-item:hover .nav-menu,.nav-item:focus-within .nav-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-item:hover>.nav-link::after,.nav-item:focus-within>.nav-link::after{transform:rotate(-135deg) translateY(-1px)}
.nav-menu a{display:block;padding:.7rem .9rem;text-decoration:none;transition:background .18s}
.nav-menu a:hover{background:var(--wash)}
.nav-menu a .nm-t{display:block;font-family:var(--f-display);font-size:1.05rem;color:var(--ink);line-height:1.2}
.nav-menu a .nm-d{display:block;font-size:.8rem;color:var(--ink-3);margin-top:.1rem}
.nav-menu-div{height:1px;background:var(--rule);margin:.5rem .6rem}
.nav-menu a.nm-lite{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:.55rem .9rem}
.nav-menu a.nm-lite:hover{color:var(--red)}
.nav-cta{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper);background:var(--ink);border:none;padding:.55rem 1.2rem;text-decoration:none;transition:background .2s}
.nav-cta:hover{background:var(--red)}
.nav-mobile-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;cursor:pointer}
.nav-mobile-btn span{display:block;width:24px;height:1.5px;background:var(--ink);transition:transform .3s,opacity .3s}
.nav-mobile-menu{display:none;position:fixed;inset:0;background:var(--paper);z-index:199;flex-direction:column;align-items:center;justify-content:center;gap:1.6rem;padding:2rem}
.nav-mobile-menu.open{display:flex}
.nav-mobile-link{font-family:var(--f-display);font-size:2rem;font-weight:300;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.nav-mobile-link.sub{font-size:1.3rem;color:var(--ink-3)}
.nav-mobile-link.active{color:var(--red)}

/* ── Buttons ── */
.btn-primary,.btn-ghost{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:.8rem 1.8rem;text-decoration:none;display:inline-block;transition:background .2s,color .2s,transform .2s;border:1px solid transparent}
.btn-primary{color:var(--paper);background:var(--ink)}
.btn-primary:hover{background:var(--red);transform:translateY(-1px)}
.btn-ghost{color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-primary.on-dark:hover{background:var(--red)}
.btn-ghost.on-dark{color:var(--paper);border-color:rgba(250,250,248,.4)}
.btn-ghost.on-dark:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ── Hero ── */
.hero{min-height:86svh;display:grid;place-items:center;padding:7rem var(--gutter) 4rem;position:relative;overflow:hidden}
.hero.short{min-height:auto;padding:7.5rem var(--gutter) 3.5rem;place-items:start center}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:72px 72px;opacity:.4;mask-image:radial-gradient(ellipse 85% 80% at 50% 45%,#000 20%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 85% 80% at 50% 45%,#000 20%,transparent 100%)}
.hero-inner{position:relative;max-width:var(--max);width:100%;margin:0 auto}
.eyebrow{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red);margin-bottom:1.8rem;display:inline-block}
.hero-h1{font-family:var(--f-display);font-weight:300;font-size:clamp(2.9rem,7vw,6rem);line-height:1.03;letter-spacing:-.015em;color:var(--ink)}
.hero-h1 em{font-style:italic;color:var(--ink-3)}
.hero.short .hero-h1{font-size:clamp(2.5rem,5.5vw,4.4rem)}
.hero-rule{width:48px;height:2px;background:var(--red);margin:2rem 0}
.hero-sub{font-size:clamp(1rem,1.7vw,1.18rem);font-weight:300;color:var(--ink-2);max-width:560px;line-height:1.75}
.hero-actions{display:flex;align-items:center;gap:1rem;margin-top:2.4rem;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:2.2rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.4rem}
.hero-scroll span{font-family:var(--f-mono);font-size:.56rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-4)}
.scroll-tick{width:1px;height:36px;background:linear-gradient(to bottom,var(--ink-4),transparent);animation:sp 2s ease-in-out infinite}
/* entrance anims */
.fu{opacity:0;transform:translateY(16px);animation:fu .85s ease forwards}
.d1{animation-delay:.15s}.d2{animation-delay:.3s}.d3{animation-delay:.45s}.d4{animation-delay:.6s}.d5{animation-delay:.75s}

/* ── Section shared ── */
section{padding:clamp(3rem,6vw,5.5rem) var(--gutter)}
.container{width:100%;max-width:var(--max);margin:0 auto}
.figure{margin:clamp(1.8rem,3.5vw,3rem) auto 0;max-width:660px}
.figure img,.figure svg{display:block;width:100%;height:auto}
.figure figcaption{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-4);text-align:center;margin-top:1.2rem}
.figure--wide{max-width:720px}
.figure-section{padding:0 var(--gutter)}
.s-label{font-family:var(--f-mono);font-size:.65rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red);margin-bottom:2.6rem;display:flex;align-items:center;gap:1rem}
.s-label::after{content:'';flex:1;max-width:64px;height:1px;background:var(--red);opacity:.35}
.s-label.light{color:rgba(250,250,248,.4)}
.s-label.light::after{background:rgba(184,40,30,.5)}
.h2{font-family:var(--f-display);font-weight:300;font-size:clamp(2rem,4vw,3.3rem);line-height:1.1;color:var(--ink);letter-spacing:-.01em}
.h2 em{font-style:italic;color:var(--ink-3)}
.h2.light{color:var(--paper)}.h2.light em{color:rgba(250,250,248,.45)}
.lead{font-size:1.08rem;color:var(--ink-2);line-height:1.8}
.muted{color:var(--ink-3)}
.divider{border-top:1px solid var(--rule)}

/* ── Split (2-col) ── */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.5rem,6vw,7rem);align-items:start}
.split.center{align-items:center}
.split-body p{font-size:1.05rem;color:var(--ink-2);line-height:1.82;margin-bottom:1.2rem}
.split-body p:last-child{margin-bottom:0}
.split-body p strong{color:var(--ink);font-weight:500}
.pull-quote{margin-top:2.4rem;padding:1.5rem 1.9rem;border-left:2px solid var(--red);background:var(--white)}
.pull-quote p{font-family:var(--f-display);font-size:1.2rem;font-weight:300;font-style:italic;color:var(--ink);line-height:1.5;margin:0}

/* ── Card grid (capabilities / features) ── */
.grid-3,.grid-2{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.cell{background:var(--paper);padding:2.1rem 1.8rem;position:relative;overflow:hidden;transition:background .25s}
.cell::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--red);transition:width .4s ease}
.cell:hover{background:var(--white)}
.cell:hover::after{width:100%}
.cell-n{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.15em;color:var(--red);display:block;margin-bottom:1.1rem}
.cell-t{font-family:var(--f-display);font-size:1.2rem;font-weight:400;color:var(--ink);margin-bottom:.6rem;line-height:1.25}
.cell-d{font-size:.88rem;color:var(--ink-3);line-height:1.72;font-weight:300}
.cell-d strong{color:var(--ink-2);font-weight:500}

/* ── Feature block (product detail sections) ── */
.feat{display:grid;grid-template-columns:minmax(0,340px) 1fr;gap:clamp(2rem,5vw,5rem);padding:clamp(1.9rem,3.5vw,2.8rem) 0;border-top:1px solid var(--rule)}
.feat:first-of-type{border-top:none}
.feat-h{font-family:var(--f-display);font-weight:400;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.15;color:var(--ink)}
.feat-h .n{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.15em;color:var(--red);display:block;margin-bottom:.9rem}
.feat-list{list-style:none;display:grid;gap:.9rem}
.feat-list li{position:relative;padding-left:1.4rem;font-size:.98rem;color:var(--ink-2);line-height:1.65}
.feat-list li::before{content:'';position:absolute;left:0;top:.62em;width:6px;height:6px;background:var(--red);opacity:.8}
.feat-list li strong{color:var(--ink);font-weight:500}
.feat-list li em{font-style:italic;color:var(--ink-3)}
.feat-note{margin-top:1.1rem;padding:.9rem 1.1rem;background:var(--wash);border-left:2px solid var(--ink-4);font-size:.9rem;color:var(--ink-3);line-height:1.6}
.feat-note strong{color:var(--ink-2)}

/* ── Dark band ── */
.band-dark{background:var(--dark);padding:clamp(3rem,6vw,5rem) var(--gutter)}
.band-dark .container{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.5rem,5vw,5rem);align-items:center}
.db-left{font-family:var(--f-display);font-weight:300;font-size:clamp(1.9rem,3.4vw,3rem);line-height:1.15;color:var(--paper)}
.db-left em{font-style:italic;color:rgba(250,250,248,.42)}
.db-right p{font-size:.97rem;color:rgba(250,250,248,.55);line-height:1.82;margin-bottom:1rem;font-weight:300}
.db-right p strong{color:var(--paper);font-weight:400}
.db-right p:last-child{margin-bottom:0}

/* ── "Earns its keep" callout ── */
.callout{background:var(--white);border:1px solid var(--rule);border-top:2px solid var(--red);padding:clamp(2rem,4vw,3rem)}
.callout .s-label{margin-bottom:1.4rem}
.callout p{font-family:var(--f-display);font-size:clamp(1.25rem,2.2vw,1.7rem);font-weight:300;line-height:1.4;color:var(--ink)}
.callout p strong{font-style:italic;color:var(--red);font-weight:400}

/* ── Product cards (family) ── */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.prod{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--rule);padding:2rem 1.8rem;text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.prod:hover{transform:translateY(-4px);box-shadow:0 24px 50px rgba(20,20,20,.08);border-color:var(--red-mid)}
.prod-tag{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.15em;text-transform:uppercase;color:var(--red)}
.prod-name{font-family:var(--f-display);font-size:1.9rem;font-weight:600;letter-spacing:.02em;color:var(--ink);margin:.5rem 0 .2rem}
.prod-q{font-family:var(--f-display);font-style:italic;font-size:1.1rem;color:var(--ink-3);margin-bottom:1rem}
.prod-d{font-size:.9rem;color:var(--ink-2);line-height:1.7;flex:1}
.prod-link{margin-top:1.4rem;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);display:inline-flex;align-items:center;gap:.5rem}
.prod:hover .prod-link{color:var(--red)}
.prod-link::after{content:'→';transition:transform .2s}
.prod:hover .prod-link::after{transform:translateX(4px)}

/* ── Loop / synergy list ── */
.loop-list{list-style:none;display:grid;gap:0;border:1px solid var(--rule)}
.loop-list li{padding:1.2rem 1.6rem;border-top:1px solid var(--rule);font-size:1rem;color:var(--ink-2);line-height:1.6}
.loop-list li:first-child{border-top:none}
.loop-list li strong{color:var(--ink);font-weight:500}

/* ── Editions table ── */
.table-wrap{overflow-x:auto;border:1px solid var(--rule)}
table.editions{width:100%;border-collapse:collapse;min-width:640px;background:var(--white)}
.editions th,.editions td{padding:1rem 1.1rem;text-align:center;border-bottom:1px solid var(--rule);border-left:1px solid var(--rule);font-size:.92rem}
.editions th:first-child,.editions td:first-child{text-align:left;border-left:none;color:var(--ink-2)}
.editions thead th{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--wash)}
.editions thead th.suite{color:var(--red)}
.editions tbody tr:last-child td{border-bottom:none}
.editions .yes{color:var(--red);font-weight:500}
.editions .price td{font-family:var(--f-mono);font-size:.85rem;color:var(--ink-3)}
.editions tfoot td{font-family:var(--f-mono);font-size:.72rem;color:var(--ink);font-weight:500}

/* ── Stat / outcome row ── */
.outcomes{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule)}
.outcome{background:var(--paper);padding:1.9rem 1.6rem}
.outcome .oc-t{font-family:var(--f-display);font-size:1.15rem;color:var(--ink);line-height:1.3;margin-bottom:.4rem}
.outcome .oc-d{font-size:.86rem;color:var(--ink-3);line-height:1.6}

/* ── CTA strip ── */
.cta-strip{border-top:1px solid var(--rule);text-align:center}
.cta-strip .container{max-width:640px}
.cta-p{font-size:1.02rem;color:var(--ink-3);line-height:1.75;margin:1.4rem 0 2.4rem}
.cta-btns{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}

/* ── Breadcrumb / kicker on subpages ── */
.crumb{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4);margin-bottom:1.4rem}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--red)}

/* ── Contact form ── */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{display:flex;flex-direction:column;gap:.5rem}
.field.full{grid-column:1/-1}
.field label{font-family:var(--f-mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.field input,.field select,.field textarea{font-family:var(--f-body);font-size:.98rem;font-weight:300;color:var(--ink);background:var(--white);border:1px solid var(--rule);padding:.8rem .9rem;transition:border-color .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red)}
.field textarea{resize:vertical;min-height:120px}

/* ── Footer ── */
footer{border-top:1px solid var(--rule);background:var(--paper)}
.footer-top{max-width:var(--wide);margin:0 auto;padding:clamp(3rem,5vw,4.5rem) var(--gutter) 2.5rem;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}
.f-brand .f-wordmark{font-family:var(--f-display);font-weight:600;font-size:1.3rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.f-logo-img{height:44px;width:auto;display:block}
.f-brand p{font-size:.9rem;color:var(--ink-3);line-height:1.65;margin-top:.9rem;max-width:280px}
.f-col h4{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4);margin-bottom:1.1rem}
.f-col a{display:block;font-size:.92rem;color:var(--ink-2);text-decoration:none;padding:.32rem 0;transition:color .2s}
.f-col a:hover{color:var(--red)}
.footer-bot{border-top:1px solid var(--rule)}
.footer-bot-inner{max-width:var(--wide);margin:0 auto;padding:1.5rem var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.f-copy{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.04em;color:var(--ink-4)}
.f-legal{display:flex;gap:1.6rem;flex-wrap:wrap}
.f-legal a{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-decoration:none}
.f-legal a:hover{color:var(--red)}

/* ── Reveal on scroll ── */
.rv{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s ease}
.rv.in{opacity:1;transform:translateY(0)}

/* ── Keyframes ── */
@keyframes fu{to{opacity:1;transform:translateY(0)}}
@keyframes sp{0%,100%{opacity:.3}50%{opacity:1}}

/* ── Responsive ── */
@media(max-width:920px){
  .footer-top{grid-template-columns:1fr 1fr}
  .f-brand{grid-column:1/-1}
}
@media(max-width:860px){
  .split,.band-dark .container,.split.center{grid-template-columns:1fr}
  .feat{grid-template-columns:1fr;gap:1.2rem}
  .grid-3,.prod-grid,.outcomes{grid-template-columns:1fr 1fr}
  .nav-links,.nav-cta{display:none}
  .nav-mobile-btn{display:flex}
  .form-grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid-3,.grid-2,.prod-grid,.outcomes{grid-template-columns:1fr}
  .cta-btns{flex-direction:column;align-items:stretch}
  .cta-btns .btn-primary,.cta-btns .btn-ghost{text-align:center}
  .footer-top{grid-template-columns:1fr}
  .f-legal{gap:1rem}
  .nav-logo-img{height:40px}
}