/* ============================================================
   CYBO — cybo.in
   Warm-premium studio site, light theme. Design language:
   "the signal link". Two nodes (green + pink) joined by a track
   carrying a blue packet — the brand mark, made structural.
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* warm light foundation */
  --paper:     #FBF6EC;   /* page base — warm off-white       */
  --paper-2:   #F3EADA;   /* raised band / alternating strip  */
  --surface:   #FFFFFF;   /* card / panel                     */
  --line:      #E5D8C0;   /* hairline                         */
  --line-soft: #F0E5D2;   /* faint divider                    */
  --ink:       #241B12;   /* primary text                     */
  --ink-dim:   #6A5B47;   /* muted text                       */

  /* premium metal thread */
  --brass:     #C29A38;   /* decorative rules & borders       */
  --brass-2:   #7E5F17;   /* accent text on light             */
  --brass-deep:#5E4610;   /* accent hover                     */

  /* brand signal */
  --green: #66CC66;
  --pink:  #FF3399;
  --blue:  #12A0FF;
  --blue-ink: #05141F;
  --green-ink: #2E8B3D;   /* green legible as text on paper   */

  /* elevation */
  --shadow-sm: 0 1px 2px rgba(36,27,18,.05), 0 6px 16px -12px rgba(36,27,18,.28);
  --shadow-md: 0 2px 4px rgba(36,27,18,.05), 0 18px 40px -24px rgba(36,27,18,.38);

  /* system */
  --maxw: 1180px;
  --gut: clamp(20px, 5vw, 56px);
  --r: 16px;
  --r-lg: 26px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --ff-display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --ff-body: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --ff-mono: "IBM Plex Mono", ui-monospace, "SF Mono", monospace;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  margin:0;
  font-family:var(--ff-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-size:clamp(15.5px,1.05vw,17px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--ff-display);font-weight:800;line-height:1.03;letter-spacing:-.02em;margin:0}
p{margin:0}
::selection{background:var(--pink);color:#fff}

/* ---------- Layout helpers ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:clamp(72px,10vw,140px)}
.eyebrow{
  font-family:var(--ff-mono);font-size:.74rem;font-weight:500;
  letter-spacing:.24em;text-transform:uppercase;color:var(--brass-2);
  display:inline-flex;align-items:center;gap:.7em;margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--brass)}
.lede{color:var(--ink-dim);max-width:56ch;font-size:1.08em}

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--blue);--fg:var(--blue-ink);
  display:inline-flex;align-items:center;gap:.6em;
  padding:.86em 1.4em;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.96rem;letter-spacing:-.01em;
  background:var(--bg);color:var(--fg);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
  box-shadow:0 1px 0 rgba(255,255,255,.3) inset, 0 10px 24px -14px rgba(18,160,255,.9);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.4) inset,0 16px 30px -14px rgba(18,160,255,1)}
.btn:focus-visible{outline:3px solid var(--brass-2);outline-offset:3px}
.btn--ghost{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn--ghost:hover{background:var(--paper-2);border-color:var(--brass);box-shadow:var(--shadow-sm)}
.btn--wa{--bg:#1EA855;--fg:#FFFFFF}
.btn--wa:hover{box-shadow:0 1px 0 rgba(255,255,255,.3) inset,0 16px 30px -14px rgba(30,168,85,.9)}
.btn svg{width:18px;height:18px}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  background:color-mix(in oklab, var(--paper) 80%, transparent);
  backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid transparent;
  transition:border-color .3s, background .3s;
}
.site-head.scrolled{border-bottom-color:var(--line);background:var(--paper);background:color-mix(in oklab, var(--paper) 92%, transparent)}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:74px}
.brand{display:flex;align-items:center;gap:.62rem;font-family:var(--ff-display);font-weight:800;
  font-size:1.28rem;letter-spacing:.02em;color:var(--ink)}
.brand .mark{width:40px;height:auto;flex:0 0 auto}
.brand .dot{color:var(--pink)}
.nav{display:flex;align-items:center;gap:.4rem}
.nav a{
  padding:.55em .9em;border-radius:999px;color:var(--ink-dim);font-size:.95rem;font-weight:500;
  transition:color .25s, background .25s;
}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]::after{content:"";display:block;height:2px;margin-top:3px;border-radius:2px;
  background:linear-gradient(90deg,var(--green),var(--blue),var(--pink))}
.head-cta{display:flex;align-items:center;gap:.7rem}
.nav-toggle{display:none;background:var(--surface);border:1px solid var(--line);border-radius:12px;
  width:46px;height:44px;color:var(--ink);align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}

@media (max-width: 860px){
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:stretch;gap:.2rem;
    background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    padding:1rem var(--gut) 1.4rem;
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .28s var(--ease), transform .28s var(--ease), visibility .28s;
  }
  .nav.open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .nav a{padding:.85em .4em;font-size:1.05rem;border-bottom:1px solid var(--line-soft)}
  .nav a[aria-current="page"]::after{display:none}
  .head-cta .btn:not(.btn--wa){display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;padding-block:clamp(56px,9vw,110px) clamp(64px,9vw,120px);overflow:hidden}
.hero::before{ /* warm ambient glow */
  content:"";position:absolute;inset:-30% 30% auto -10%;height:70vh;
  background:radial-gradient(60% 60% at 30% 30%, rgba(203,162,74,.22), transparent 70%);
  pointer-events:none;z-index:0;
}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.5rem,6.2vw,4.6rem);margin:.2em 0 .5em}
.hero h1 .tint-g{color:var(--green-ink)}
.hero h1 .tint-p{color:var(--pink)}
.hero-sub{font-size:clamp(1.02rem,1.4vw,1.18rem);color:var(--ink-dim);max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:2.4rem;font-family:var(--ff-mono);
  font-size:.78rem;letter-spacing:.06em;color:var(--ink-dim)}
.hero-meta b{color:var(--brass-2);font-weight:500}

/* signal-link graphic */
.link-stage{position:relative;aspect-ratio:1/1;width:100%;max-width:460px;margin-inline:auto}
.link-stage svg{width:100%;height:100%;overflow:visible}
.node-glow{filter:blur(9px)}
.packet{offset-path:path("M 150 250 H 350");animation:run 3.4s var(--ease) infinite}
@keyframes run{
  0%{offset-distance:0%;opacity:0}
  8%{opacity:1}
  50%{offset-distance:100%}
  58%{opacity:0}
  60%{offset-distance:100%;opacity:0}
  62%{offset-distance:0%;opacity:0}
  70%{opacity:1}
  100%{offset-distance:100%;opacity:1}
}
.pulse{transform-box:fill-box;transform-origin:center;animation:pulse 3.4s ease-in-out infinite}
.pulse.b{animation-delay:1.7s}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.orbit{transform-box:fill-box;transform-origin:center;animation:orbit 26s linear infinite}
@keyframes orbit{to{transform:rotate(360deg)}}

@media (max-width: 900px){
  .hero .wrap{grid-template-columns:1fr;text-align:left}
  .link-stage{max-width:360px;margin-top:1rem}
  .hero-meta{gap:1rem}
}
@media (prefers-reduced-motion: reduce){
  .packet,.pulse,.orbit{animation:none}
  .packet{offset-distance:50%}
}

/* ---------- Section title block ---------- */
.title-block{max-width:64ch;margin-bottom:clamp(40px,5vw,68px)}
.title-block h2{font-size:clamp(2rem,4.4vw,3.2rem)}
.title-block p{margin-top:1.1rem}

/* ---------- Duotone value section ---------- */
.value{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg, var(--paper), var(--paper-2))}
.halves{display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(20px,3vw,44px);align-items:stretch;margin-top:2.4rem}
.half{padding:clamp(24px,3vw,38px);border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.half::before{content:"";position:absolute;inset:0 auto 0 0;width:4px}
.half.g::before{background:var(--green)}
.half.p::before{background:var(--pink)}
.half .tag{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-dim)}
.half h3{font-size:1.5rem;margin:.5rem 0 .6rem}
.half p{color:var(--ink-dim)}
.join{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.7rem;
  font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.18em;color:var(--blue)}
.join .weld{width:2px;flex:1;background:linear-gradient(var(--green),var(--blue),var(--pink));min-height:70px;border-radius:2px}
.join .disc{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;color:var(--blue);box-shadow:var(--shadow-sm)}
.join .disc svg{width:20px;height:20px}
@media (max-width:760px){
  .halves{grid-template-columns:1fr}
  .join{flex-direction:row}
  .join .weld{height:2px;min-height:0;width:100%;background:linear-gradient(90deg,var(--green),var(--blue),var(--pink))}
}

/* ---------- Services overview (families) ---------- */
.families{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,36px)}
.family{border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,3.4vw,40px);
  background:radial-gradient(120% 120% at 100% 0%, rgba(203,162,74,.10), transparent 45%), var(--surface);
  box-shadow:var(--shadow-sm)}
.family-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.4rem}
.family-head h3{font-size:1.75rem}
.family-head .n{font-family:var(--ff-mono);color:var(--brass-2);font-size:.82rem;letter-spacing:.1em}
.chips{display:flex;flex-wrap:wrap;gap:.55rem}
.chip{display:inline-flex;align-items:center;gap:.5em;font-size:.9rem;color:var(--ink-dim);
  border:1px solid var(--line);border-radius:999px;padding:.5em .9em;background:var(--paper);
  transition:color .25s, border-color .25s, transform .25s}
.chip:hover{color:var(--ink);border-color:var(--brass);transform:translateY(-2px)}
.chip .sig{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.chip.g .sig{background:var(--green)}.chip.p .sig{background:var(--pink)}.chip.b .sig{background:var(--blue)}
@media (max-width:820px){.families{grid-template-columns:1fr}}

/* ---------- Proof strip ---------- */
.proof{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2.4vw,28px)}
.proof-card{border:1px solid var(--line);border-radius:var(--r);padding:1.5rem 1.4rem;background:var(--surface);
  box-shadow:var(--shadow-sm)}
.proof-card .k{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.16em;color:var(--brass-2);text-transform:uppercase}
.proof-card h4{font-family:var(--ff-display);font-size:1.16rem;margin:.6rem 0 .4rem;font-weight:700;letter-spacing:-.01em}
.proof-card p{font-size:.92rem;color:var(--ink-dim)}
@media (max-width:900px){.proof-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.proof-grid{grid-template-columns:1fr}}

/* ---------- Process ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,3vw,34px);margin-top:1rem;position:relative}
.step{position:relative;padding-top:2.4rem}
.step .idx{position:absolute;top:0;left:0;font-family:var(--ff-mono);font-size:.8rem;color:var(--blue-ink);
  background:var(--blue);border-radius:999px;padding:.25em .7em;letter-spacing:.05em}
.step h3{font-size:1.35rem;margin:.2rem 0 .5rem}
.step p{color:var(--ink-dim)}
.step::after{content:"";position:absolute;top:.9em;left:3.4rem;right:-1rem;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 6px, transparent 6px 12px)}
.step:last-child::after{display:none}
@media (max-width:760px){.steps{grid-template-columns:1fr}.step::after{display:none}}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:
  radial-gradient(80% 140% at 12% 0%, rgba(102,204,102,.18), transparent 55%),
  radial-gradient(80% 140% at 88% 100%, rgba(255,51,153,.16), transparent 55%),
  var(--paper-2)}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:2rem;
  border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(34px,5vw,60px);
  background:linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
  box-shadow:var(--shadow-md)}
.cta-band h2{font-size:clamp(1.8rem,3.6vw,2.8rem);max-width:20ch}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:.8rem}

/* ---------- Services page: node list ---------- */
.node-list{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2.4vw,26px)}
.node{position:relative;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,34px);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease)}
.node:hover{transform:translateY(-4px);border-color:var(--brass);box-shadow:var(--shadow-md)}
.node .head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.1rem}
.node .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;flex:0 0 auto;
  border:1px solid var(--line);background:var(--paper);color:var(--brass-2)}
.node .ico svg{width:26px;height:26px}
.node .id{font-family:var(--ff-mono);font-size:.74rem;letter-spacing:.14em;color:var(--ink-dim)}
.node h3{font-size:1.28rem;margin:0 0 .5rem}
.node p{color:var(--ink-dim);font-size:.96rem}
.node .rail{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--sig,var(--blue));opacity:.9}
@media (max-width:760px){.node-list{grid-template-columns:1fr}}

.family-band{padding-block:clamp(56px,7vw,90px)}
.family-band + .family-band{border-top:1px solid var(--line)}
.family-band.alt{background:var(--paper-2)}
.fam-label{display:flex;align-items:center;gap:.8rem;margin-bottom:2rem}
.fam-label .sig{width:12px;height:12px;border-radius:50%}
.fam-label h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
.fam-label .count{font-family:var(--ff-mono);font-size:.8rem;color:var(--ink-dim);letter-spacing:.1em}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,64px);align-items:start}
.about-grid p + p{margin-top:1.1rem}
.about-grid .lede{color:var(--ink);font-size:1.2em}
.stat-stack{display:grid;gap:1rem}
.stat{border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.4rem;background:var(--surface);
  box-shadow:var(--shadow-sm)}
.stat b{font-family:var(--ff-display);font-size:1.7rem;display:block;letter-spacing:-.01em}
.stat span{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass-2)}
.values{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.6rem}
.values .chip{color:var(--ink)}
@media (max-width:820px){.about-grid{grid-template-columns:1fr}}

/* ---------- Contact ---------- */
.contact{background:var(--paper-2);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,60px);align-items:start;margin-top:2.2rem}
.field{display:flex;flex-direction:column;gap:.45rem;margin-bottom:1.1rem}
.field label{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-dim)}
.field input,.field select,.field textarea{
  font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;
  padding:.8em .9em;transition:border-color .25s, box-shadow .25s;
}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:#A2937E}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brass-2);box-shadow:0 0 0 3px rgba(126,95,23,.16)}
.field.row2{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.form-note{font-size:.82rem;color:var(--ink-dim);margin-top:.4rem}
.form-actions{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:.4rem}

.info-card{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);
  padding:clamp(24px,3vw,32px);box-shadow:var(--shadow-sm)}
.info-row{display:flex;gap:.9rem;align-items:flex-start;padding:1.05rem 0;border-bottom:1px solid var(--line-soft)}
.info-row:last-child{border-bottom:0;padding-bottom:0}
.info-row:first-child{padding-top:0}
.info-row .ico{width:42px;height:42px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--paper);border:1px solid var(--line);color:var(--brass-2)}
.info-row .ico svg{width:20px;height:20px}
.info-row > div{display:flex;flex-direction:column;gap:.2rem;min-width:0}
.info-row .k{font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-dim)}
.info-row .v{font-weight:600;font-size:1.05rem;color:var(--ink)}
.info-row a.v[href^="mailto"]{overflow-wrap:anywhere}
.info-row a.v:hover{color:var(--brass-deep)}
.info-card .btn--wa{margin-top:1.4rem;width:100%;justify-content:center}
@media (max-width:1024px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:820px){.field.row2{grid-template-columns:1fr}}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--paper-2);padding-block:clamp(48px,6vw,72px) 2rem}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(28px,4vw,56px)}
.foot-brand .brand{margin-bottom:1rem}
.foot-brand p{color:var(--ink-dim);max-width:38ch;font-size:.95rem}
.foot-col h5{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brass-2);margin:0 0 1rem;font-weight:500}
.foot-col a,.foot-col span{display:block;color:var(--ink-dim);font-size:.95rem;padding:.3rem 0;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-line{height:1px;margin:2.4rem 0 1.4rem;background:linear-gradient(90deg,var(--green),var(--blue) 45%,var(--pink))}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem;
  font-family:var(--ff-mono);font-size:.74rem;letter-spacing:.06em;color:var(--ink-dim)}
@media (max-width:760px){.foot-top{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}

/* page hero (inner pages) */
.page-hero{padding-block:clamp(60px,8vw,110px) clamp(30px,4vw,50px);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:-40% auto auto -10%;height:60vh;width:60vw;
  background:radial-gradient(50% 50% at 30% 30%, rgba(203,162,74,.20), transparent 70%);pointer-events:none}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(2.4rem,6vw,4.2rem);margin-bottom:.4em}
.page-hero .lede{font-size:1.15em}