/* ============================================================
   MINDPHY — Design System
   Concept: "Engineering blueprint for growth"
   Base: deep ink blue · Accent: ultramarine · Data: signal mint
   Type: Archivo (variable width) + IBM Plex Mono (schematic data)
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --ink-0:#04060C;
  --ink-1:#0A0F1C;
  --ink-2:#111a30;
  --line:rgba(150,168,222,.14);
  --line-strong:rgba(150,168,222,.28);
  --paper:#E9EDF7;
  --muted:#8B95AF;
  --blue:#4757FF;
  --blue-bright:#6D7BFF;
  --blue-soft:rgba(71,87,255,.13);
  --signal:#59E3B3;
  --amber:#E8B25A;
  --light-bg:#EDF0F8;
  --light-ink:#0B1226;
  --light-muted:#4C5670;
  --radius:6px;
  --max:1200px;
  --pad:clamp(20px,5vw,64px);
  --font:'Archivo',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}

html{scroll-behavior:smooth}
body{
  background:var(--ink-0);
  color:var(--paper);
  font-family:var(--font);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* Blueprint grid backdrop */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:96px 96px;
  opacity:.35;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,black 30%,transparent 85%);
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,black 30%,transparent 85%);
}

img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
::selection{background:var(--blue);color:#fff}

h1,h2,h3,h4{font-weight:700;line-height:1.08;letter-spacing:-.02em}
.display{
  font-weight:800;
  font-stretch:112%;
  letter-spacing:-.03em;
  font-size:clamp(2.6rem,6.4vw,4.9rem);
}
h2.display{font-size:clamp(2rem,4.6vw,3.4rem)}
.lede{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--muted);max-width:38em;line-height:1.55}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;color:var(--muted)}
.mono.signal{color:var(--signal)}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad);position:relative;z-index:1}
section{position:relative;z-index:1}
.section{padding-block:clamp(72px,11vw,140px);border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:clamp(36px,6vw,64px)}
.section-head .mono{display:block;margin-bottom:14px}
.section-head p{margin-top:18px}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--ink-0) 82%,transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-head .wrap{display:flex;align-items:center;gap:32px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;font-stretch:110%}
.brand-node{width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px var(--blue-soft);flex:none}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{font-size:.92rem;color:var(--muted);transition:color .2s}
.nav a:hover,.nav a.active{color:var(--paper)}
.nav a.active{position:relative}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-24px;height:2px;background:var(--blue)}
.head-cta{margin-left:8px}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-strong);color:var(--paper);border-radius:var(--radius);padding:8px 12px;font-family:var(--mono);font-size:.75rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:var(--radius);
  font-weight:600;font-size:.95rem;letter-spacing:.01em;
  border:1px solid transparent;transition:transform .18s,background .18s,border-color .18s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-bright)}
.btn-ghost{border-color:var(--line-strong);color:var(--paper)}
.btn-ghost:hover{border-color:var(--blue);color:#fff}
.btn-lg{padding:17px 32px;font-size:1.02rem}

/* ---------- Hero (home) ---------- */
.hero{padding-block:clamp(64px,9vw,120px) clamp(56px,8vw,104px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{margin:22px 0 20px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-meta{margin-top:40px;display:flex;gap:28px;flex-wrap:wrap}
.hero-meta div{border-left:2px solid var(--line-strong);padding-left:14px}
.hero-meta strong{display:block;font-size:1.05rem}
.hero-meta span{font-size:.8rem;color:var(--muted)}

/* System schematic */
.schematic{position:relative}
.schematic svg{width:100%;height:auto}
.schematic .node{fill:var(--ink-1);stroke:var(--line-strong)}
.schematic .node.hot{stroke:var(--blue)}
.schematic .wire{fill:none;stroke:var(--line-strong);stroke-width:1.5}
.schematic .wire.hot{stroke:var(--blue);stroke-dasharray:5 7;animation:wireflow 1.6s linear infinite}
.schematic text{fill:var(--paper);font-family:var(--mono);font-size:11px;letter-spacing:.06em}
.schematic .sub{fill:var(--muted);font-size:9px}
.schematic .dot{fill:var(--signal)}
@keyframes wireflow{to{stroke-dashoffset:-24}}

/* ---------- Statement band ---------- */
.statement{padding-block:clamp(80px,12vw,150px);text-align:left}
.statement p.big{
  font-size:clamp(1.5rem,3.2vw,2.5rem);font-weight:700;letter-spacing:-.02em;
  line-height:1.28;max-width:22em;
}
.statement p.big em{font-style:normal;color:var(--blue-bright)}

/* ---------- Growth System spine ---------- */
.spine{position:relative;max-width:880px;margin-inline:auto}
.spine::before{
  content:"";position:absolute;left:19px;top:0;bottom:0;width:2px;
  background:var(--line);
}
.spine-fill{position:absolute;left:19px;top:0;width:2px;background:var(--blue);height:0;transition:height .1s linear}
.stage{position:relative;padding:0 0 44px 64px}
.stage:last-child{padding-bottom:0}
.stage::before{
  content:"";position:absolute;left:12px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--ink-0);border:2px solid var(--line-strong);transition:border-color .3s,box-shadow .3s;
}
.stage.on::before{border-color:var(--blue);box-shadow:0 0 0 5px var(--blue-soft)}
.stage h3{font-size:1.3rem;margin-bottom:6px;font-stretch:108%}
.stage p{color:var(--muted);max-width:34em;margin-bottom:12px}
.chiplist{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.03em;color:var(--paper);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 12px;background:var(--ink-1);
}

/* ---------- Card grids ---------- */
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.cell{background:var(--ink-0);padding:30px 28px;transition:background .2s}
a.cell:hover{background:var(--ink-1)}
.cell h3{font-size:1.12rem;margin:14px 0 8px}
.cell p{font-size:.93rem;color:var(--muted)}
.cell .mono{font-size:.7rem}
.cell-ico{width:34px;height:34px;border-radius:var(--radius);background:var(--blue-soft);
  display:flex;align-items:center;justify-content:center;color:var(--blue-bright);font-family:var(--mono);font-size:.8rem}

/* ---------- OS orbit ---------- */
.os-panel{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.orbit{position:relative;aspect-ratio:1;max-width:460px;margin-inline:auto;width:100%}
.orbit-ring{position:absolute;inset:0;border:1px dashed var(--line-strong);border-radius:50%}
.orbit-ring.r2{inset:17%}
.orbit-core{
  position:absolute;inset:38%;border-radius:50%;background:var(--ink-1);border:1px solid var(--blue);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  box-shadow:0 0 60px rgba(71,87,255,.25);text-align:center;
}
.orbit-core strong{font-size:.9rem;font-stretch:108%}
.orbit-sat{
  position:absolute;transform:translate(-50%,-50%);
  font-family:var(--mono);font-size:.68rem;letter-spacing:.03em;white-space:nowrap;
  background:var(--ink-1);border:1px solid var(--line-strong);border-radius:999px;padding:6px 12px;
}
.orbit-spin{position:absolute;inset:0;animation:orbitspin 46s linear infinite}
.orbit-spin .orbit-sat{animation:orbitcounter 46s linear infinite}
@keyframes orbitspin{to{transform:rotate(360deg)}}
@keyframes orbitcounter{to{transform:translate(-50%,-50%) rotate(-360deg)}}

/* ---------- KPI wall ---------- */
.kpi-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.kpi{background:var(--ink-0);padding:26px 22px}
.kpi strong{display:block;font-family:var(--mono);font-size:1.5rem;color:var(--signal);letter-spacing:-.01em}
.kpi span{font-size:.82rem;color:var(--muted)}

/* ---------- Method steps ---------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--ink-0);padding:30px 28px;counter-increment:step}
.step::before{
  content:"0" counter(step);font-family:var(--mono);color:var(--blue-bright);font-size:.82rem;letter-spacing:.08em;
}
.step h3{font-size:1.15rem;margin:12px 0 8px}
.step p{font-size:.92rem;color:var(--muted)}

/* ---------- Scroll story ---------- */
.story{padding-block:clamp(90px,13vw,170px);border-top:1px solid var(--line)}
.story-line{
  font-size:clamp(1.35rem,2.9vw,2.15rem);font-weight:700;letter-spacing:-.02em;line-height:1.3;
  color:var(--muted);opacity:.28;transition:opacity .5s,color .5s;max-width:22em;margin-bottom:1.1em;
}
.story-line.on{opacity:1;color:var(--paper)}
.story-final{color:var(--blue-bright);font-stretch:110%}
.story-final.on{color:var(--blue-bright)}

/* ---------- Light band ---------- */
.band-light{background:var(--light-bg);color:var(--light-ink)}
.band-light .lede,.band-light p{color:var(--light-muted)}
.band-light .mono{color:#6B7590}
.band-light .cell{background:var(--light-bg)}
.band-light .grid{background:rgba(11,18,38,.12);border-color:rgba(11,18,38,.12)}
.band-light a.cell:hover{background:#E2E6F2}
.band-light .cell p{color:var(--light-muted)}
.band-light .chip{background:#fff;border-color:rgba(11,18,38,.15);color:var(--light-ink)}

/* ---------- Inner page hero ---------- */
.page-hero{padding-block:clamp(64px,9vw,110px) clamp(40px,6vw,72px)}
.page-hero h1{margin:18px 0 18px;max-width:14em}
.crumb{font-family:var(--mono);font-size:.75rem;color:var(--muted);letter-spacing:.05em}
.crumb b{color:var(--blue-bright);font-weight:500}

/* ---------- Capability blocks ---------- */
.cap{padding-block:clamp(56px,8vw,96px);border-top:1px solid var(--line);scroll-margin-top:90px}
.cap-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,64px)}
.cap h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:12px 0 14px;font-stretch:108%}
.cap .tag{font-family:var(--mono);font-size:.75rem;color:var(--blue-bright);letter-spacing:.06em}
.cap-copy p{color:var(--muted);margin-bottom:16px;max-width:36em}
.cap-copy .pull{color:var(--paper);font-weight:600;font-size:1.12rem;border-left:2px solid var(--blue);padding-left:16px;margin:22px 0}
.deliver{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin-top:8px}
.deliver li{list-style:none;font-size:.92rem;color:var(--paper);padding-left:20px;position:relative}
.deliver li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border:2px solid var(--blue);border-radius:2px}

/* ---------- Agents ---------- */
.agent-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.agent{background:var(--ink-0);padding:28px 26px;position:relative;overflow:hidden}
.agent .pulse{position:absolute;top:26px;right:24px;width:9px;height:9px;border-radius:50%;background:var(--signal);animation:pulse 2.2s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(89,227,179,.5)}70%{box-shadow:0 0 0 12px rgba(89,227,179,0)}100%{box-shadow:0 0 0 0 rgba(89,227,179,0)}}
.agent h3{font-size:1.08rem;margin-bottom:8px}
.agent p{font-size:.9rem;color:var(--muted)}
.agent .mono{display:block;margin-top:14px;font-size:.68rem}

/* ---------- Results / case shells ---------- */
.case{border:1px solid var(--line);background:var(--ink-1);padding:clamp(26px,4vw,44px);margin-bottom:26px}
.case-flow{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.case-flow span{font-family:var(--mono);font-size:.72rem;border:1px solid var(--line-strong);padding:6px 12px;border-radius:999px}
.case-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:20px}
.case-metrics .kpi strong{font-size:1.35rem}
.placeholder-tag{
  display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.05em;
  color:var(--amber);border:1px dashed var(--amber);border-radius:999px;padding:4px 12px;margin-bottom:16px;
}

/* ---------- Forms ---------- */
.form-panel{border:1px solid var(--line);background:var(--ink-1);padding:clamp(26px,4vw,44px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;color:var(--muted)}
.field input,.field select,.field textarea{
  background:var(--ink-0);border:1px solid var(--line-strong);border-radius:var(--radius);
  color:var(--paper);padding:13px 14px;font:inherit;font-size:.95rem;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}

/* ---------- CTA band ---------- */
.cta-band{padding-block:clamp(80px,12vw,150px);text-align:center;border-top:1px solid var(--line);
  background:radial-gradient(ellipse 60% 90% at 50% 110%,rgba(71,87,255,.16),transparent 70%)}
.cta-band h2{margin-bottom:18px}
.cta-band .lede{margin-inline:auto;text-align:center}
.cta-band .btn{margin-top:34px}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line);padding-block:64px 40px;position:relative;z-index:1;background:var(--ink-0)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1fr;gap:36px;margin-bottom:52px}
.foot-grid h4{font-family:var(--mono);font-weight:500;font-size:.72rem;letter-spacing:.07em;color:var(--muted);margin-bottom:16px}
.foot-grid ul{list-style:none}
.foot-grid li{margin-bottom:10px}
.foot-grid a{font-size:.9rem;color:var(--paper);opacity:.85}
.foot-grid a:hover{color:var(--blue-bright);opacity:1}
.foot-brand p{font-size:.88rem;color:var(--muted);margin-top:14px;max-width:26em}
.foot-legal{border-top:1px solid var(--line);padding-top:26px;display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-start}
.foot-legal .addr{font-size:.84rem;color:var(--muted);line-height:1.7}
.foot-legal .addr strong{color:var(--paper)}
.foot-links{display:flex;gap:20px;font-size:.82rem;color:var(--muted)}
.foot-links a:hover{color:var(--paper)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero .wrap,.os-panel,.cap-grid{grid-template-columns:1fr}
  .grid.cols-3,.steps{grid-template-columns:1fr 1fr}
  .kpi-wall{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav{
    display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--ink-1);border-bottom:1px solid var(--line);padding:12px var(--pad) 20px;
  }
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav a.active::after{display:none}
  .nav-toggle{display:block}
  .head-cta{display:none}
}
@media(max-width:600px){
  .grid.cols-3,.grid.cols-2,.steps,.form-grid,.deliver{grid-template-columns:1fr}
  .kpi-wall{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}