/* ==========================================================
   Plymouth Power Industries: flat navy, blue & grey
   Colors sampled from the 2026 logo. Flat design: solid fills,
   no gradients, no shadows, no blur, no 3D effects.
   ========================================================== */
:root{
  --navy:#00224E;      /* PLYMOUTH wordmark */
  --navy-2:#0A2F5E;    /* raised surface on navy */
  --blue:#034F91;      /* logo mark, primary accent */
  --blue-lt:#7FA9D6;   /* accent on navy backgrounds */
  --grey-lt:#A5A7A9;   /* logo mark, light grey */
  --grey:#717578;      /* POWER INDUSTRIES */
  --grey-dk:#4A4E52;   /* body text */
  --paper:#FFFFFF;
  --mist:#F1F2F3;      /* alternate section background */
  --line:#DCDEE0;
  --line-navy:rgba(255,255,255,.16);
  --on-navy:#FFFFFF;
  --on-navy-muted:#B9C3D0;

  --display:"Archivo",system-ui,sans-serif;
  --radius:6px;
  --maxw:1240px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--grey-dk);font-family:var(--display);font-size:16.5px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (max-width:640px){.container{padding:0 16px}}

h1,h2,h3{margin:0;font-weight:800;line-height:1.08;letter-spacing:-.005em;color:var(--navy)}
h2{font-size:clamp(30px,3.6vw,48px);font-variation-settings:"wdth" 112}
h3{font-size:20px;font-weight:700;font-variation-settings:"wdth" 108}
p{margin:0 0 14px;color:var(--grey-dk)}
.lead{font-size:19px;color:var(--navy);line-height:1.6}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);margin:0 0 18px;display:flex;align-items:center;gap:14px}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--blue)}

/* Dark (navy) sections share these overrides */
.on-navy{background:var(--navy);color:var(--on-navy-muted)}
.on-navy h1,.on-navy h2,.on-navy h3,.on-navy .lead{color:var(--on-navy)}
.on-navy p{color:var(--on-navy-muted)}
.on-navy .eyebrow{color:var(--blue-lt)}
.on-navy .eyebrow::before{background:var(--blue-lt)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 28px;font-family:var(--display);font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;border:2px solid transparent;border-radius:var(--radius);cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--navy)}
.on-navy .btn-primary:hover,.btn-primary.on-dark:hover{background:#fff;color:var(--navy)}
.btn-outline{border-color:currentColor;color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.on-navy .btn-outline{color:#fff}
.on-navy .btn-outline:hover{background:#fff;border-color:#fff;color:var(--navy)}
.btn-sm{padding:11px 18px;font-size:12px}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.on-navy :focus-visible{outline-color:#fff}

/* ================= Header ================= */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--grey);transition:color .2s}
.nav a:hover{color:var(--navy)}
.nav a.btn{color:#fff}
.nav a.nav-phone{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;letter-spacing:.04em;white-space:nowrap}
.nav a.nav-phone:hover{color:var(--blue)}
.nav-phone svg,.call-btn svg{width:18px;height:18px;flex:none;color:var(--blue)}
.call-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;margin-right:10px;border-radius:var(--radius);background:var(--blue)}
.call-btn svg{color:#fff;width:20px;height:20px}
.call-btn:hover{background:var(--navy)}
@media (max-width:1180px){.nav{gap:22px}.nav a{font-size:12px}}
@media (max-width:1060px) and (min-width:961px){.nav a.nav-phone span{display:none}}
.nav-toggle{display:none;width:44px;height:44px;background:none;border:2px solid var(--line);border-radius:var(--radius);cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:11px;right:11px;height:2px;background:var(--navy);transition:transform .25s}
.nav-toggle span:first-child{top:15px}.nav-toggle span:last-child{top:23px}
.nav-open .nav-toggle span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-open .nav-toggle span:last-child{transform:translateY(-4px) rotate(-45deg)}
@media (max-width:960px){
  .nav-toggle{display:block}
  .call-btn{display:inline-flex}
  .nav a.nav-phone{color:var(--navy)}
  .nav{position:fixed;top:80px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 24px;background:var(--paper);border-bottom:1px solid var(--line);transform:translateY(-120%);transition:transform .3s ease;z-index:-1}
  .nav a{padding:16px 4px;border-bottom:1px solid var(--line);font-size:14px}
  .nav a.btn{margin-top:16px;border-bottom:0}
  .nav-open .nav{transform:none}
}
@media (max-width:420px){.brand img{height:38px}}

/* ================= Hero (flat) ================= */
.hero{padding-top:80px}
.hero-main{display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch;min-height:min(640px,78vh)}
.hero-copy{padding:clamp(56px,8vw,110px) clamp(24px,5vw,72px) clamp(56px,7vw,96px) max(24px,calc((100vw - var(--maxw))/2 + 24px));display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(44px,6.4vw,88px);font-weight:900;font-variation-settings:"wdth" 118;line-height:.98;margin-bottom:26px;text-transform:uppercase;letter-spacing:.005em}
.hero h1 span{display:block;color:var(--blue-lt)}
.hero-lede{font-size:19px;max-width:540px;margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{margin:0;position:relative;background:var(--navy-2)}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
/* Five-stage strip, echoing the brand wall */
.stages{background:var(--mist);border-bottom:1px solid var(--line)}
.stages ol{list-style:none;margin:0 auto;padding:0;display:grid;grid-template-columns:repeat(5,1fr)}
.stages li{display:flex;align-items:center;gap:14px;padding:26px 20px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--navy)}
.stages li+li{border-left:1px solid var(--line)}
.stages svg{width:34px;height:34px;flex:none;color:var(--blue)}
@media (max-width:1000px){
  .stages ol{grid-template-columns:repeat(3,1fr)}
  .stages li{border-bottom:1px solid var(--line)}
  .stages li:nth-child(4){border-left:0}
}
@media (max-width:860px){
  .hero-main{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding:56px 24px 48px}
  .hero-photo{aspect-ratio:16/10}
}
@media (max-width:640px){
  .hero-copy{padding:48px 16px 40px}
  .stages ol{grid-template-columns:1fr 1fr}
  .stages li{padding:18px 12px;gap:10px;font-size:12px;letter-spacing:.1em}
  .stages li:nth-child(4){border-left:1px solid var(--line)}
  .stages li:nth-child(odd){border-left:0}
  .stages li:last-child{grid-column:1/-1}
}

/* ================= Sections ================= */
.section{padding:clamp(80px,10vw,140px) 0}
.section-head{max-width:760px;margin-bottom:56px}
.section-head h2{margin-bottom:16px}

/* Photo-backed navy bands: flat duotone (greyscale photo + solid navy) */
.duo{position:relative;isolation:isolate;overflow:hidden;background:var(--navy)}
.duo-media{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;filter:grayscale(1) contrast(1.1)}
.duo::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--navy);opacity:.86}

/* Intro */
.intro{background:var(--paper)}
.intro-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,7vw,110px);align-items:start}
.facts{display:grid;grid-template-columns:repeat(3,1fr);margin:40px 0 0;border-top:3px solid var(--navy)}
.facts div{padding:24px 0 0}
.facts dt{font-weight:900;font-variation-settings:"wdth" 125;font-size:clamp(34px,4vw,50px);line-height:1;color:var(--blue)}
.facts dd{margin:10px 0 0;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--grey)}
@media (max-width:860px){.intro-grid{grid-template-columns:1fr}}

/* Lifecycle */
.lifecycle{padding:clamp(90px,11vw,150px) 0}
.lifecycle .duo-media{background-position:center 60%}
.lifecycle-head{max-width:700px;margin-bottom:56px}
.chain{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(10,1fr);position:relative}
.chain::before{content:"";position:absolute;left:0;right:0;top:7px;height:2px;background:var(--line-navy)}
.chain li{position:relative;padding:34px 8px 0 0;font-size:14px;font-weight:600;color:#fff;font-variation-settings:"wdth" 108}
.chain li::before{content:"";position:absolute;top:0;left:0;width:16px;height:16px;border-radius:50%;background:var(--navy);border:2px solid var(--blue-lt)}
.chain li:nth-child(7)::before{background:var(--blue-lt)}
.chain i{display:block;font-style:normal;font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--blue-lt);margin-bottom:6px}
.chain-note{margin-top:46px;font-size:18px;color:#fff !important}
@media (max-width:960px){
  .chain{grid-template-columns:repeat(5,1fr);row-gap:36px}
  .chain::before{display:none}
}
@media (max-width:560px){.chain{grid-template-columns:repeat(2,1fr)}}

/* Services */
#services{background:var(--mist)}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.service{background:var(--paper);padding:38px 32px 34px;position:relative;border-radius:var(--radius);border-top:4px solid var(--grey-lt);transition:border-color .2s}
.service:hover{border-top-color:var(--blue)}
.service .num{display:block;font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--blue);margin-bottom:22px}
.service h3{margin-bottom:14px}
.service p{font-size:15px}
details{margin-top:6px;border-top:1px solid var(--line)}
summary{cursor:pointer;list-style:none;padding:16px 0 4px;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--navy);display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;font-weight:500;color:var(--blue);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details ul{margin:12px 0 4px;padding:0;list-style:none}
details li{font-size:14.5px;color:var(--grey-dk);padding:7px 0 7px 20px;position:relative;border-bottom:1px solid var(--mist)}
details li::before{content:"";position:absolute;left:2px;top:16px;width:7px;height:7px;background:var(--blue)}
.aside{font-size:14px;color:var(--blue);font-weight:600;margin-top:14px}
.mini-chain{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--navy);font-weight:600;line-height:2}
.mini-chain b,.flow b{color:var(--blue);font-weight:400;margin:0 4px}
.flow b{color:var(--blue-lt)}
@media (max-width:1000px){.services{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.services{grid-template-columns:1fr}.service{padding:30px 22px}}

/* Solutions */
.solutions{background:var(--paper)}
.solution{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(36px,6vw,90px);align-items:center;margin-bottom:clamp(80px,9vw,130px)}
.solution:last-child{margin-bottom:0}
.solution.flip .solution-img{order:2}
.solution-img{margin:0;position:relative}
.solution-img img{width:100%;aspect-ratio:4/3.4;object-fit:cover;border-radius:var(--radius)}
.solution-img::after{content:"";position:absolute;left:0;bottom:0;width:38%;height:8px;background:var(--blue);border-radius:0 0 0 var(--radius)}
.solution.flip .solution-img::after{left:auto;right:0;border-radius:0 0 var(--radius) 0}
.solution-body h3{font-size:clamp(26px,2.6vw,36px);font-variation-settings:"wdth" 112;margin-bottom:16px}
.steps{margin:28px 0 0;border-top:2px solid var(--navy)}
.steps div{display:grid;grid-template-columns:190px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid var(--line)}
.steps dt{font-weight:700;font-size:14.5px;color:var(--navy)}
.steps dd{margin:0;font-size:14.5px;color:var(--grey-dk)}
.signature{margin-top:26px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.tags{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:13.5px;font-weight:600;padding:8px 14px;background:var(--mist);color:var(--navy);border-radius:var(--radius)}
@media (max-width:900px){
  .solution{grid-template-columns:1fr}
  .solution.flip .solution-img{order:0}
  .steps div{grid-template-columns:1fr;gap:2px}
}

/* Experience */
.experience{background:var(--mist)}
.exp-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(40px,7vw,100px);align-items:center}
.exp-img{margin:0}
.exp-img img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius)}
.experience h2{margin-bottom:22px}
blockquote{margin:30px 0 0;padding:22px 26px;background:var(--navy);border-radius:var(--radius);font-size:clamp(18px,1.7vw,22px);line-height:1.5;color:#fff;font-weight:500;font-variation-settings:"wdth" 104}
@media (max-width:860px){.exp-grid{grid-template-columns:1fr}.exp-img img{aspect-ratio:4/3}}

/* Deployment */
.deployment{padding:clamp(90px,12vw,170px) 0}
.deploy-card{max-width:620px}
.deploy-card h2{margin-bottom:20px}
.flow-label{font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-lt) !important;margin:30px 0 10px}
.flow{font-size:17px;color:#fff !important;font-weight:600;line-height:2;padding:16px 0;border-top:1px solid var(--line-navy);border-bottom:1px solid var(--line-navy);margin-bottom:24px}

/* Multi-location */
.multi{background:var(--paper)}
.multi-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,7vw,110px);margin-bottom:60px}
.route{list-style:none;margin:0 0 56px;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.route li{flex:1 1 0;min-width:120px;padding:18px 16px;font-size:14px;font-weight:700;color:var(--navy);position:relative;background:var(--mist);border-radius:var(--radius)}
.route li::after{content:"→";position:absolute;right:12px;top:17px;color:var(--blue);font-weight:400}
.route li:last-child::after{content:""}
.route li:last-child{background:var(--blue);color:#fff}
.wide-img{margin:0}
.wide-img img{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius)}
@media (max-width:860px){.multi-grid{grid-template-columns:1fr}.wide-img img{aspect-ratio:16/10}}

/* Why */
.why{background:var(--navy)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pillar{padding:34px 32px 36px;background:var(--navy-2);border-radius:var(--radius)}
.pillar .num{display:block;font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--blue-lt);margin-bottom:20px}
.pillar h3{margin-bottom:12px}
.pillar p{font-size:15px;margin:0}
@media (max-width:900px){.pillars{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.pillars{grid-template-columns:1fr}.pillar{padding:28px 22px}}

/* Banner */
.banner{padding:clamp(100px,13vw,180px) 0;text-align:center;background:var(--blue)}
.banner .duo-media{opacity:.5}
.banner::after{background:var(--blue);opacity:.9}
.banner-inner{display:flex;flex-direction:column;align-items:center}
.banner-mark{width:96px;height:auto;margin-bottom:34px}
.banner h2{max-width:900px;margin-bottom:38px;font-variation-settings:"wdth" 118}
.banner h2 span{display:block;margin-top:12px;font-size:.55em;font-weight:500;color:#DCE6F2;font-variation-settings:"wdth" 100;letter-spacing:.01em}
.banner .btn-primary{background:#fff;color:var(--navy)}
.banner .btn-primary:hover{background:var(--navy);color:#fff}

/* Contact */
.contact{background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,100px);align-items:start}
.contact h2{margin-bottom:22px}
.contact-blocks{display:grid;gap:26px;margin-top:40px;padding-top:34px;border-top:1px solid var(--line)}
.contact-blocks h4{margin:0 0 6px;font-weight:700;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue)}
.contact-blocks address{font-style:normal;color:var(--navy)}
.contact-blocks a{color:var(--navy);text-decoration:none;font-size:18px;font-weight:600;border-bottom:2px solid var(--grey-lt);padding-bottom:2px}
.contact-blocks a:hover{color:var(--blue);border-bottom-color:var(--blue)}
.quote{background:var(--mist);padding:clamp(28px,4vw,46px);border-radius:var(--radius);border-top:6px solid var(--blue)}
.quote h3{font-size:24px;margin-bottom:26px;font-variation-settings:"wdth" 112}
.quote label{display:block;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--grey);margin-bottom:18px}
.quote input,.quote select,.quote textarea{display:block;width:100%;margin-top:8px;padding:13px 14px;background:var(--paper);border:2px solid var(--line);border-radius:var(--radius);color:var(--navy);font:inherit;font-family:var(--display);font-size:15px;font-weight:400;letter-spacing:0;text-transform:none}
.quote input:focus,.quote select:focus,.quote textarea:focus{border-color:var(--blue);outline:none}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.quote .btn{width:100%;margin-top:8px}
.form-note{font-size:12.5px;color:var(--grey);margin:14px 0 0;text-align:center}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
@media (max-width:520px){.row2{grid-template-columns:1fr;gap:0}}

/* Footer */
.footer{background:var(--navy);padding:70px 0 30px;color:var(--on-navy-muted)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1.2fr;gap:40px}
.footer .brand img{height:52px}
.footer h4{margin:0 0 12px;font-weight:700;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--blue-lt)}
.footer p{font-size:14px;margin:0;color:var(--on-navy-muted)}
.footer a{text-decoration:none}
.footer a:hover{color:#fff}
.foot-tag{margin-top:18px !important}
.foot-base{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding-top:24px;border-top:1px solid var(--line-navy);font-size:13px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* Reveal (fade only, no motion depth) */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.quote .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note a{color:var(--blue)}
.form-note.ok{color:var(--blue);font-weight:700}
.quote button:disabled{opacity:.6;cursor:wait}