/* =========================================================
   Plato's Path LLP — stylesheet
   Brand: deep navy #1F2845 · olive green #649333 · slate-silver #494F65
   Type: Cinzel (Roman caps) · Spectral (serif headlines) · IBM Plex Sans (body)
   ========================================================= */

:root{
  --navy:       #1F2845;
  --navy-deep:  #141A30;
  --navy-mid:   #2C3A5E;
  --navy-tint:  #3A4A72;
  --green:      #6E9F36;   /* vivid — graphics, icons, accents */
  --green-ink:  #4C7726;   /* deeper — small text, eyebrows, links */
  --green-deep: #3E631F;
  --green-pale: #EDF2E3;
  --slate:      #494F65;
  --silver:     #97A0B2;
  --silver-lt:  #C6CCD6;

  --paper:      #F4F5F1;
  --paper-2:    #ECEEE7;
  --white:      #FFFFFF;
  --line:       #E1E3DB;
  --line-soft:  #ECEDE7;
  --muted:      #59607089;
  --ink-body:   #3D4453;
  --muted-on-navy:#AEB5C6;

  --gutter: clamp(20px, 5vw, 72px);
  --maxw: 1280px;
  --rail: clamp(40px, 7vw, 96px);

  --cinzel: "Cinzel", Georgia, serif;
  --serif:  "Spectral", Georgia, serif;
  --sans:   "IBM Plex Sans", system-ui, -apple-system, sans-serif;

  --t: 0.5s cubic-bezier(.2,.7,.2,1);
  --shadow: 0 1px 2px rgba(20,26,48,.04), 0 12px 32px -16px rgba(20,26,48,.22);
  --shadow-lg: 0 30px 70px -40px rgba(20,26,48,.45);
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink-body);
  line-height:1.68; font-size:1.0625rem; font-weight:350;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--green); color:#fff; }

/* ---------- Type ---------- */
h1,h2,h3,h4{ font-family:var(--serif); font-weight:400; line-height:1.1; letter-spacing:-0.01em; color:var(--navy); }
.eyebrow{
  font-family:var(--cinzel); font-weight:600; font-size:0.72rem;
  text-transform:uppercase; letter-spacing:0.28em; color:var(--green-ink);
  display:inline-flex; align-items:center; gap:0.7em;
}
.eyebrow::before{ content:""; width:1.8em; height:1px; background:var(--green); display:inline-block; }
.eyebrow.no-rule::before{ display:none; }
.dark .eyebrow{ color:#9DC06B; }
.dark .eyebrow::before{ background:#9DC06B; }
.dark h1,.dark h2,.dark h3,.dark h4{ color:#fff; }

.lead{ font-family:var(--serif); font-weight:300; font-size:clamp(1.5rem,3.3vw,2.6rem); line-height:1.2; color:var(--navy); }
.lead .hl{ color:var(--green-ink); font-style:italic; }
.dark .lead{ color:#fff; }
.dark .lead .hl{ color:#A9CC78; }
.prose{ max-width:64ch; color:var(--ink-body); }
.prose p+p{ margin-top:1.05rem; }
.dark .prose{ color:var(--muted-on-navy); }
.kicker{ color:var(--ink-body); max-width:62ch; }
.dark .kicker{ color:var(--muted-on-navy); }

.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter); }

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--sans); font-weight:500; font-size:0.78rem; letter-spacing:0.14em;
  text-transform:uppercase; display:inline-flex; align-items:center; gap:0.7em;
  padding:1em 1.7em; border:1px solid var(--navy); color:var(--navy);
  background:transparent; cursor:pointer; transition:var(--t); border-radius:2px;
}
.btn:hover{ background:var(--navy); color:#fff; }
.btn .arr{ transition:transform var(--t); }
.btn:hover .arr{ transform:translateX(4px); }
.btn-solid{ background:var(--navy); color:#fff; }
.btn-solid:hover{ background:var(--navy-deep); }
.btn-green{ background:var(--green); border-color:var(--green); color:#fff; }
.btn-green:hover{ background:var(--green-deep); border-color:var(--green-deep); }
.dark .btn{ border-color:rgba(255,255,255,.6); color:#fff; }
.dark .btn:hover{ background:#fff; color:var(--navy); }

/* ---------- Header ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:60;
  display:flex; align-items:center; justify-content:space-between;
  padding:0.9rem var(--gutter); background:rgba(244,245,241,.86);
  backdrop-filter:saturate(1.2) blur(10px);
  border-bottom:1px solid transparent; transition:var(--t);
}
.site-header.scrolled{ border-bottom-color:var(--line); padding-block:0.6rem; background:rgba(244,245,241,.95); }
.brand{ display:flex; align-items:center; gap:0.7rem; }
.brand img{ height:46px; width:auto; transition:var(--t); }
.site-header.scrolled .brand img{ height:38px; }
.nav{ display:flex; align-items:center; gap:2rem; }
.nav a{ font-size:0.76rem; font-weight:500; text-transform:uppercase; letter-spacing:0.13em; color:var(--navy); position:relative; padding-block:0.4em; transition:color var(--t); }
.nav a::after{ content:""; position:absolute; left:0; bottom:0; height:1.5px; width:0; background:var(--green); transition:width var(--t); }
.nav a:hover::after,.nav a[aria-current="page"]::after{ width:100%; }
.nav a[aria-current="page"]{ color:var(--green-ink); }
.nav .btn{ padding:0.7em 1.2em; }
.menu-toggle{ display:none; background:none; border:0; cursor:pointer; flex-direction:column; gap:5px; padding:6px; }
.menu-toggle span{ width:26px; height:2px; background:var(--navy); transition:var(--t); }

/* ---------- Hero (light, illustrated) ---------- */
.hero{ position:relative; padding:clamp(8rem,13vw,11rem) 0 clamp(3rem,6vw,5rem); overflow:hidden; }
.hero::before{ content:""; position:absolute; inset:0; background:
  radial-gradient(1100px 520px at 78% 18%, rgba(110,159,54,.10), transparent 60%),
  radial-gradient(900px 600px at 12% 90%, rgba(31,40,69,.06), transparent 60%); pointer-events:none; }
.hero-grid{ position:relative; display:grid; grid-template-columns:1.05fr 0.95fr; gap:clamp(2rem,5vw,5rem); align-items:center; }
.hero h1{ font-size:clamp(2.6rem,5.6vw,4.7rem); font-weight:300; line-height:1.02; letter-spacing:-0.02em; max-width:15ch; }
.hero h1 .hl{ font-style:italic; color:var(--green-ink); }
.hero-sub{ margin-top:1.6rem; font-size:1.12rem; color:var(--ink-body); max-width:46ch; }
.hero-words{ margin-top:1.8rem; display:flex; flex-wrap:wrap; gap:0.5rem; }
.hero-words span{ font-family:var(--cinzel); font-weight:600; font-size:0.7rem; letter-spacing:0.2em; text-transform:uppercase; color:var(--navy); border:1px solid var(--line); background:var(--white); padding:0.55em 0.95em; border-radius:2px; }
.hero-cta{ margin-top:2.4rem; display:flex; gap:1rem; flex-wrap:wrap; }
.hero-art{ position:relative; }
.hero-art svg{ width:100%; height:auto; filter:drop-shadow(0 40px 60px rgba(20,26,48,.18)); }

/* ---------- Stat band ---------- */
.stat-band{ background:var(--navy); color:#fff; }
.stat-band .wrap{ padding-block:clamp(2.6rem,5vw,3.6rem); display:grid; grid-template-columns:repeat(4,1fr); gap:1px; }
.stat{ padding:0.4rem clamp(0.6rem,2vw,1.6rem); }
.stat .n{ font-family:var(--serif); font-size:clamp(2rem,3.4vw,2.9rem); color:#fff; line-height:1; }
.stat .n b{ color:#A9CC78; font-weight:400; }
.stat .l{ margin-top:0.6rem; font-size:0.82rem; color:var(--muted-on-navy); letter-spacing:0.02em; }
.stat + .stat{ border-left:1px solid rgba(255,255,255,.12); }

/* ---------- Section scaffolding + path rail ---------- */
.section{ position:relative; }
.section-pad{ padding-block:clamp(4rem,8vw,7rem); }
.flow .section-grid{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gutter);
  display:grid; grid-template-columns:var(--rail) minmax(0,1fr); column-gap:clamp(16px,3vw,40px); }
.rail{ position:relative; }
.rail::before{ content:""; position:absolute; top:0; bottom:0; left:50%; width:1px; background:var(--line); transform:translateX(-.5px); }
.node{ position:absolute; left:50%; top:.55em; width:12px; height:12px; transform:translate(-50%,0) rotate(45deg); background:var(--paper); border:1.5px solid var(--green); }
.node.filled{ background:var(--green); }
.section-body{ padding-block:clamp(3.2rem,7vw,6rem); min-width:0; }
.section-head h2{ font-size:clamp(2rem,4.2vw,3.2rem); font-weight:300; }
.section-head .kicker{ margin-top:1.2rem; }

/* ---------- Ornament divider (laurel) ---------- */
.ornament{ display:flex; align-items:center; justify-content:center; gap:1rem; padding-block:clamp(1rem,3vw,2rem); color:var(--silver); }
.ornament .ln{ height:1px; width:min(120px,18vw); background:linear-gradient(90deg,transparent,var(--silver-lt)); }
.ornament .ln.r{ background:linear-gradient(90deg,var(--silver-lt),transparent); }
.ornament svg{ width:34px; height:34px; }

/* ---------- Icon cards ---------- */
.cards{ display:grid; gap:1.1rem; margin-top:2.6rem; }
.cards.c2{ grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); }
.cards.c3{ grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); }
.card{ background:var(--white); border:1px solid var(--line); border-radius:4px; padding:2rem 1.85rem 2.1rem; transition:var(--t); position:relative; overflow:hidden; }
.card::after{ content:""; position:absolute; left:0; top:0; height:3px; width:0; background:var(--green); transition:width .55s cubic-bezier(.2,.7,.2,1); }
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--silver-lt); }
.card:hover::after{ width:100%; }
.card .ic{ width:46px; height:46px; color:var(--navy); margin-bottom:1.1rem; }
.card .ic svg{ width:100%; height:100%; }
.card .num{ font-family:var(--cinzel); font-weight:600; font-size:0.72rem; color:var(--green-ink); letter-spacing:0.16em; }
.card h3{ font-size:1.45rem; font-weight:500; margin:0.5rem 0 0.85rem; }
.card ul{ list-style:none; }
.card li{ font-size:0.93rem; color:var(--ink-body); padding:0.34em 0 0.34em 1.15em; position:relative; border-top:1px solid var(--line-soft); }
.card li:first-child{ border-top:0; }
.card li::before{ content:""; position:absolute; left:0; top:0.95em; width:5px; height:5px; background:var(--green); transform:rotate(45deg); }
.card p{ color:var(--ink-body); font-size:0.96rem; }

/* ---------- Feature rows (alternating illustration / text) ---------- */
.feature{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; padding-block:clamp(2.6rem,5vw,4rem); }
.feature.flip .f-art{ order:2; }
.f-art{ position:relative; }
.f-art .frame{ background:linear-gradient(160deg,var(--white),var(--paper-2)); border:1px solid var(--line); border-radius:6px; padding:clamp(1.2rem,3vw,2.2rem); box-shadow:var(--shadow); }
.f-art svg{ width:100%; height:auto; }
.f-body h3{ font-size:clamp(1.6rem,3vw,2.3rem); font-weight:400; }
.f-body .prose{ margin-top:1.1rem; }
.deliv{ margin-top:1.6rem; display:grid; grid-template-columns:1fr 1fr; gap:0.55rem 1.4rem; }
.deliv span{ font-size:0.9rem; color:var(--ink-body); padding-left:1.3rem; position:relative; }
.deliv span::before{ content:""; position:absolute; left:0; top:0.6em; width:7px; height:7px; border:1.5px solid var(--green); transform:rotate(45deg); }

/* ---------- Tag rows ---------- */
.tags{ display:flex; flex-wrap:wrap; gap:0.55rem; margin-top:1.8rem; }
.tag{ font-family:var(--sans); font-size:0.78rem; font-weight:450; letter-spacing:0.02em; padding:0.55em 0.95em; border:1px solid var(--line); background:var(--white); color:var(--ink-body); border-radius:2px; transition:var(--t); }
.tag:hover{ border-color:var(--green); color:var(--green-ink); }
.integr{ display:flex; flex-wrap:wrap; gap:0.6rem; margin-top:1.4rem; }
.integr span{ font-size:0.82rem; letter-spacing:0.02em; padding:0.5em 0.9em; border:1px dashed var(--silver-lt); color:var(--slate); border-radius:2px; }

/* ---------- Dark band ---------- */
.band-dark{ background:var(--navy); color:#fff; position:relative; overflow:hidden; }
.band-dark .meanderbg{ position:absolute; inset:0; opacity:.06; pointer-events:none; }
.products{ display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); border-top:1px solid rgba(255,255,255,.12); border-left:1px solid rgba(255,255,255,.12); margin-top:2.6rem; border-radius:4px; overflow:hidden; }
.product{ background:var(--navy); padding:2rem 1.8rem; border-right:1px solid rgba(255,255,255,.12); border-bottom:1px solid rgba(255,255,255,.12); transition:background var(--t); }
.product:hover{ background:var(--navy-mid); }
.product .ic{ width:40px; height:40px; color:#A9CC78; margin-bottom:1rem; }
.product .tagk{ font-family:var(--cinzel); font-weight:600; font-size:0.66rem; letter-spacing:0.18em; text-transform:uppercase; color:#9DC06B; }
.product h3{ font-size:1.3rem; font-weight:500; margin:0.5rem 0 0.55rem; color:#fff; }
.product p{ font-size:0.92rem; color:var(--muted-on-navy); }

/* ---------- Approach diagram ---------- */
.approach{ margin-top:2.6rem; }
.approach .road{ width:100%; height:auto; }
.steps{ margin-top:2.2rem; display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:4px; overflow:hidden; }
.step{ background:var(--white); padding:1.7rem 1.5rem 1.9rem; }
.step .sn{ font-family:var(--cinzel); font-weight:600; font-size:0.72rem; letter-spacing:0.14em; color:var(--green-ink); }
.step h3{ font-size:1.45rem; font-weight:500; margin:0.5rem 0 0.5rem; }
.step p{ font-size:0.9rem; color:var(--ink-body); }

/* ---------- Principles ---------- */
.principles{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:2rem 2.6rem; margin-top:2.6rem; }
.principle{ border-top:2px solid var(--green); padding-top:1.1rem; }
.principle h3{ font-size:1.25rem; font-weight:500; }
.principle p{ margin-top:0.5rem; color:var(--ink-body); font-size:0.95rem; }

/* ---------- Engagements (solutions) ---------- */
.engage{ background:var(--white); border:1px solid var(--line); border-radius:6px; padding:clamp(1.6rem,3vw,2.6rem); margin-bottom:1.4rem; transition:var(--t); }
.engage:hover{ box-shadow:var(--shadow); border-color:var(--silver-lt); }
.engage-head{ display:flex; align-items:center; gap:1.2rem; flex-wrap:wrap; justify-content:space-between; }
.engage-head .lhs{ display:flex; align-items:center; gap:1.1rem; }
.engage-head .ic{ width:48px; height:48px; flex:none; color:var(--green-ink); background:var(--green-pale); border-radius:6px; padding:9px; }
.engage-head h3{ font-size:clamp(1.4rem,2.6vw,2rem); font-weight:400; }
.engage .src{ font-family:var(--cinzel); font-weight:600; font-size:0.62rem; letter-spacing:0.14em; text-transform:uppercase; color:var(--slate); border:1px solid var(--line); padding:0.45em 0.7em; border-radius:2px; white-space:nowrap; }
.engage-cols{ display:grid; grid-template-columns:1.1fr 1fr 1fr; gap:1.8rem 2.2rem; margin-top:1.6rem; padding-top:1.5rem; border-top:1px solid var(--line-soft); }
.col-label{ font-family:var(--cinzel); font-weight:600; font-size:0.64rem; letter-spacing:0.16em; text-transform:uppercase; color:var(--green-ink); margin-bottom:0.7rem; }
.engage-cols p{ color:var(--ink-body); font-size:0.95rem; }
.engage-cols ul{ list-style:none; }
.engage-cols li{ color:var(--ink-body); font-size:0.92rem; padding:0.22em 0 0.22em 1.1em; position:relative; }
.engage-cols li::before{ content:"—"; position:absolute; left:0; color:var(--green); }
.users{ display:flex; flex-wrap:wrap; gap:0.45rem; }
.users span{ font-size:0.74rem; letter-spacing:0.02em; padding:0.4em 0.7em; background:var(--paper-2); border:1px solid var(--line); color:var(--slate); border-radius:2px; }

/* ---------- Statement / quote ---------- */
.statement{ background:var(--paper-2); }
.bigquote{ font-family:var(--serif); font-weight:300; font-size:clamp(1.6rem,3.4vw,2.6rem); line-height:1.28; color:var(--navy); max-width:24ch; }
.bigquote .hl{ color:var(--green-ink); font-style:italic; }

/* ---------- CTA ---------- */
.cta-band{ background:var(--navy); color:#fff; position:relative; overflow:hidden; }
.cta-band .laurelbg{ position:absolute; right:-40px; bottom:-40px; width:340px; opacity:.10; color:#A9CC78; }
.cta-band .wrap{ position:relative; padding-block:clamp(4rem,9vw,6.5rem); }
.cta-band h2{ font-size:clamp(2rem,4.6vw,3.4rem); font-weight:300; color:#fff; max-width:18ch; }
.cta-band h2 .hl{ color:#A9CC78; font-style:italic; }
.cta-band p{ margin-top:1.1rem; color:var(--muted-on-navy); max-width:52ch; }
.cta-band .hero-cta{ margin-top:2.2rem; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:1.4rem; margin-top:2.4rem; }
.contact-item{ background:var(--white); border:1px solid var(--line); border-radius:6px; padding:1.6rem 1.5rem; }
.contact-item .col-label{ margin-bottom:0.45rem; }
.contact-item a,.contact-item p{ font-size:1.05rem; color:var(--navy); }
.contact-item a:hover{ color:var(--green-ink); }

/* ---------- Page hero (inner) ---------- */
.page-hero{ position:relative; padding:clamp(8.5rem,13vw,12rem) 0 clamp(2.5rem,5vw,4rem); overflow:hidden; }
.page-hero::before{ content:""; position:absolute; inset:0; background:radial-gradient(900px 460px at 88% 0%, rgba(110,159,54,.10), transparent 60%); pointer-events:none; }
.page-hero .wrap{ position:relative; }
.page-hero h1{ font-size:clamp(2.4rem,5.4vw,4.4rem); font-weight:300; max-width:16ch; margin-top:1.1rem; }
.page-hero .kicker{ margin-top:1.3rem; font-size:1.12rem; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-deep); color:var(--muted-on-navy); padding:clamp(3rem,6vw,4.5rem) var(--gutter) 2.2rem; }
.footer-top{ max-width:var(--maxw); margin-inline:auto; display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:2.4rem; align-items:start; }
.footer-brand .lock{ display:flex; align-items:center; gap:0.8rem; }
.footer-brand .chip{ width:54px; height:54px; background:#fff; border-radius:8px; display:grid; place-items:center; padding:6px; flex:none; }
.footer-brand .chip img{ width:100%; height:100%; object-fit:contain; }
.footer-brand .wm{ font-family:var(--cinzel); font-weight:600; color:#fff; font-size:1rem; letter-spacing:0.06em; line-height:1.25; }
.footer-brand .wm small{ display:block; font-size:0.66rem; color:#9DC06B; letter-spacing:0.18em; }
.footer-brand p{ font-size:0.9rem; margin-top:1.1rem; max-width:34ch; line-height:1.65; }
.footer-col h4{ font-family:var(--cinzel); font-weight:600; font-size:0.68rem; letter-spacing:0.16em; text-transform:uppercase; color:#9DC06B; margin-bottom:1rem; }
.footer-col a{ display:block; font-size:0.9rem; padding:0.3em 0; transition:color var(--t); }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ max-width:var(--maxw); margin:2.8rem auto 0; padding-top:1.5rem; border-top:1px solid rgba(255,255,255,.12); display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; font-size:0.78rem; letter-spacing:0.02em; color:var(--silver); }
.footer-bottom .dots{ font-family:var(--cinzel); letter-spacing:0.14em; }

/* ---------- Reveal ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal.d1{ transition-delay:.08s } .reveal.d2{ transition-delay:.16s } .reveal.d3{ transition-delay:.24s }

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-art{ max-width:460px; margin-top:1rem; }
  .feature{ grid-template-columns:1fr; }
  .feature.flip .f-art{ order:0; }
  .stat-band .wrap{ grid-template-columns:1fr 1fr; gap:1.6rem 1px; }
  .stat:nth-child(3){ border-left:0; }
  .steps{ grid-template-columns:1fr 1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .footer-brand{ grid-column:1 / -1; }
  .engage-cols{ grid-template-columns:1fr; }
}
@media (max-width:860px){
  .nav{ position:fixed; inset:0 0 0 auto; width:min(82vw,360px); background:var(--navy); color:#fff;
    flex-direction:column; align-items:flex-start; justify-content:center; gap:1.5rem; padding:2rem 2.2rem; transform:translateX(100%); transition:transform var(--t); }
  .nav.open{ transform:none; }
  .nav a{ color:#fff; font-size:0.95rem; }
  .nav a[aria-current="page"]{ color:#A9CC78; }
  .menu-toggle{ display:flex; z-index:70; }
  .menu-toggle.open span{ background:var(--navy); }
  .site-header .menu-toggle.open span{ background:var(--navy); }
  .menu-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .menu-toggle.open span:nth-child(2){ opacity:0; }
  .menu-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
}
@media (max-width:560px){
  :root{ --rail:26px; }
  .stat-band .wrap{ grid-template-columns:1fr 1fr; }
  .steps{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; }
  .deliv{ grid-template-columns:1fr; }
}
@media (prefers-reduced-motion:reduce){
  *{ animation:none!important; transition:none!important; scroll-behavior:auto!important; }
  .reveal{ opacity:1; transform:none; }
}