/* ============================================================
   Evergreen Power Systems — site styles
   Palette: spruce / pine / paper / copper (conductor accent)
   Type: Archivo (display) · Instrument Sans (body) · IBM Plex Mono (spec)
   ============================================================ */

:root{
  --spruce:#0F2E26;
  --spruce-2:#123830;
  --pine:#1C4A3C;
  --moss:#7E9A8B;
  --moss-soft:#AFC4B8;
  --paper:#F5F7F4;
  --paper-2:#ECF0EB;
  --ink:#14201B;
  --copper:#C1703E;
  --copper-bright:#D98A52;
  --line:rgba(20,32,27,.14);
  --line-dark:rgba(245,247,244,.16);

  --font-display:"Archivo",system-ui,sans-serif;
  --font-body:"Instrument Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;

  --wrap:1180px;
  --pad:clamp(20px,5vw,56px);
  --radius:6px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--copper);outline-offset:3px;border-radius:2px}

.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- utility / emergency bar ---------- */
.utility{
  background:var(--copper);
  color:#fff;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.04em;
}
.utility .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:8px;padding-bottom:8px}
.utility a{color:#fff;text-decoration:none;font-weight:600}
.utility a:hover{text-decoration:underline}
.utility .u-left{display:flex;align-items:center;gap:10px}
.utility .dot{width:8px;height:8px;border-radius:50%;background:#fff;animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media(max-width:640px){.utility .u-right{display:none}}

/* ---------- header / nav ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(245,247,244,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .mark{width:38px;height:38px;flex:none}
.brand .word{font-family:var(--font-display);font-weight:800;font-size:17px;letter-spacing:.02em;line-height:1.1;color:var(--spruce)}
.brand .word span{display:block;font-family:var(--font-mono);font-weight:400;font-size:10px;letter-spacing:.22em;color:var(--copper);text-transform:uppercase}
nav.main{display:flex;align-items:center;gap:6px}
nav.main a{
  text-decoration:none;font-weight:600;font-size:15px;color:var(--ink);
  padding:8px 12px;border-radius:var(--radius);
}
nav.main a:hover{background:var(--paper-2)}
nav.main a.active{color:var(--pine);box-shadow:inset 0 -2px 0 var(--copper)}
.nav-cta{
  background:var(--spruce);color:#fff!important;padding:10px 18px!important;
  border-radius:var(--radius);
}
.nav-cta:hover{background:var(--pine)!important}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;font-family:var(--font-mono);font-size:13px;cursor:pointer}
@media(max-width:900px){
  nav.main{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:12px var(--pad) 20px;
  }
  nav.main.open{display:flex}
  .menu-btn{display:block}
}

/* ---------- hero ---------- */
.hero{
  background:var(--spruce);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.hero .wrap{position:relative;z-index:2;padding-top:clamp(64px,10vw,120px);padding-bottom:clamp(64px,10vw,120px)}
.eyebrow{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--copper-bright);margin-bottom:20px;display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--copper-bright)}
.hero h1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(38px,6vw,72px);
  line-height:1.02;
  letter-spacing:-.015em;
  max-width:15ch;
}
.hero h1 em{font-style:normal;color:var(--copper-bright)}
.hero p.lede{max-width:56ch;margin-top:24px;font-size:clamp(17px,1.6vw,20px);color:var(--moss-soft)}
.hero .cta-row{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}

.btn{
  display:inline-block;text-decoration:none;font-weight:700;font-size:15px;
  padding:14px 26px;border-radius:var(--radius);letter-spacing:.01em;
  transition:transform .15s ease,background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-copper{background:var(--copper);color:#fff}
.btn-copper:hover{background:var(--copper-bright)}
.btn-ghost{border:1px solid var(--line-dark);color:var(--paper)}
.btn-ghost:hover{background:rgba(255,255,255,.07)}
.btn-dark{background:var(--spruce);color:#fff}
.btn-dark:hover{background:var(--pine)}
.btn-outline{border:1.5px solid var(--spruce);color:var(--spruce)}
.btn-outline:hover{background:var(--spruce);color:#fff}

/* one-line diagram (signature) */
.oneline{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5}
.oneline path,.oneline line{
  stroke:var(--copper);stroke-width:1.5;fill:none;
  stroke-dasharray:1200;stroke-dashoffset:1200;
  animation:drawline 3.2s ease forwards;
}
.oneline circle{fill:var(--copper);opacity:0;animation:nodein .5s ease forwards}
.oneline .n1{animation-delay:1s}.oneline .n2{animation-delay:1.6s}
.oneline .n3{animation-delay:2.2s}.oneline .n4{animation-delay:2.8s}
@keyframes drawline{to{stroke-dashoffset:0}}
@keyframes nodein{to{opacity:.9}}
@media (prefers-reduced-motion:reduce){
  .oneline path,.oneline line{stroke-dashoffset:0}
  .oneline circle{opacity:.9}
}

/* ---------- sections ---------- */
section{padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(56px,8vw,96px)}
.section-head{max-width:760px;margin-bottom:clamp(32px,5vw,56px)}
h2{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(28px,3.8vw,44px);line-height:1.08;letter-spacing:-.01em;color:var(--spruce);
}
.on-dark h2{color:var(--paper)}
.section-head p{margin-top:16px;color:#3d4a44;max-width:60ch}
.on-dark .section-head p{color:var(--moss-soft)}

/* client strip */
.clients{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);padding:28px 0}
.clients .wrap{display:flex;flex-wrap:wrap;gap:18px 44px;align-items:center;justify-content:center}
.clients .label{font-family:var(--font-mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--copper);width:100%;text-align:center;margin-bottom:6px}
.clients span{font-family:var(--font-display);font-weight:700;font-size:17px;color:#5a6b62;letter-spacing:.02em}

/* numbers strip */
.numbers{background:var(--pine);color:var(--paper)}
.numbers .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line-dark);border:1px solid var(--line-dark)}
.numbers .cell{background:var(--pine);padding:32px 28px}
.numbers .val{font-family:var(--font-display);font-weight:800;font-size:clamp(34px,4vw,52px);line-height:1;color:#fff}
.numbers .val small{font-size:.5em;color:var(--copper-bright)}
.numbers .key{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--moss-soft);margin-top:10px}
.numbers .note{font-family:var(--font-mono);font-size:11px;color:var(--moss-soft);opacity:.65;margin-top:6px}
@media(max-width:900px){.numbers .grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.numbers .grid{grid-template-columns:1fr}}

/* service cards */
.svc-group-label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--copper);margin:40px 0 18px;display:flex;align-items:center;gap:12px;
}
.svc-group-label::after{content:"";flex:1;height:1px;background:var(--line)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.svc-grid{grid-template-columns:1fr}}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;text-decoration:none;display:flex;flex-direction:column;gap:12px;
  transition:border-color .15s ease,transform .15s ease;
}
.svc-card:hover{border-color:var(--copper);transform:translateY(-2px)}
.svc-card .icon{width:34px;height:34px;color:var(--copper)}
.svc-card h3{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--spruce)}
.svc-card p{font-size:15px;color:#4a574f}
.svc-card .go{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper);margin-top:auto}

/* featured project */
.feature{background:var(--spruce-2);color:var(--paper)}
.feature .split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:860px){.feature .split{grid-template-columns:1fr}}
.feature .visual{
  aspect-ratio:4/3;border-radius:var(--radius);position:relative;overflow:hidden;
  background:linear-gradient(150deg,#123830 0%,#0F2E26 55%,#1C4A3C 100%);
  border:1px solid var(--line-dark);
}
.stair-svg{position:absolute;inset:0;width:100%;height:100%}
.feature h3{font-family:var(--font-display);font-weight:800;font-size:clamp(26px,3vw,38px);line-height:1.1}
.feature .spec{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--copper-bright);margin-bottom:14px;
}
.feature p{color:var(--moss-soft);margin-top:16px}
.spec-table{margin-top:24px;border-top:1px solid var(--line-dark)}
.spec-table div{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid var(--line-dark);font-size:14px}
.spec-table dt{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--moss)}
.spec-table dd{color:var(--paper);text-align:right}

/* project cards */
.proj-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:28px}
@media(max-width:760px){.proj-grid{grid-template-columns:1fr}}
.proj-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.proj-card .ph{
  aspect-ratio:16/9;background:repeating-linear-gradient(45deg,var(--paper-2),var(--paper-2) 12px,#fff 12px,#fff 24px);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--moss);
  border-bottom:1px solid var(--line);
}
.proj-card .body{padding:22px 24px}
.proj-card h3{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--spruce)}
.proj-card p{font-size:14.5px;color:#4a574f;margin-top:8px}
.tag{display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--copper);border:1px solid currentColor;border-radius:99px;padding:3px 10px;margin-bottom:12px}

/* values / about blocks */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:820px){.values-grid{grid-template-columns:1fr}}
.value{border-left:2px solid var(--copper);padding:6px 0 6px 22px}
.value h3{font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--spruce);margin-bottom:8px}
.value p{font-size:15px;color:#4a574f}

/* timeline (about) */
.timeline{border-left:2px solid var(--copper);margin:36px 0 0 6px;padding-left:28px;display:grid;gap:28px}
.timeline .t-item .yr{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;color:var(--copper)}
.timeline .t-item h3{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--spruce);margin:4px 0 6px}
.timeline .t-item p{font-size:15px;color:#4a574f;max-width:64ch}

/* page hero (interior) */
.page-hero{background:var(--spruce);color:var(--paper);padding-top:clamp(48px,7vw,84px);padding-bottom:clamp(48px,7vw,84px)}
.page-hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(32px,5vw,58px);line-height:1.05;letter-spacing:-.01em;max-width:18ch}
.page-hero p{max-width:58ch;margin-top:18px;color:var(--moss-soft);font-size:18px}

/* prose blocks */
.prose{max-width:720px}
.prose p+p{margin-top:18px}
.prose h2{margin-top:44px;margin-bottom:14px;font-size:clamp(24px,3vw,32px)}
.checklist{margin-top:20px;display:grid;gap:12px;list-style:none}
.checklist li{display:flex;gap:12px;font-size:16px}
.checklist li::before{content:"";flex:none;width:18px;height:18px;margin-top:4px;border-radius:50%;background:var(--copper);
  clip-path:polygon(28% 52%,45% 68%,74% 32%,82% 40%,45% 82%,20% 60%)}

/* two-col layout for service pages */
.svc-layout{display:grid;grid-template-columns:1fr 320px;gap:clamp(32px,5vw,72px)}
@media(max-width:900px){.svc-layout{grid-template-columns:1fr}}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;height:fit-content;position:sticky;top:96px}
.aside-card h3{font-family:var(--font-display);font-weight:700;font-size:17px;color:var(--spruce);margin-bottom:10px}
.aside-card p{font-size:14.5px;color:#4a574f}
.aside-card .btn{margin-top:16px;width:100%;text-align:center}
.aside-card .mono{font-family:var(--font-mono);font-size:13px;color:var(--copper);margin-top:14px;display:block;text-decoration:none}

/* form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:760px}
@media(max-width:680px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--pine)}
.field input,.field select,.field textarea{
  font-family:var(--font-body);font-size:16px;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--ink);
}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--copper);outline-offset:1px}
.form-note{font-family:var(--font-mono);font-size:12px;color:#6b7a71;margin-top:14px;max-width:70ch}

/* emergency band */
.emergency{background:var(--copper);color:#fff}
.emergency .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:40px;padding-bottom:40px}
.emergency h2{color:#fff;font-size:clamp(24px,3vw,34px)}
.emergency .phone{font-family:var(--font-mono);font-weight:600;font-size:clamp(22px,3vw,32px);color:#fff;text-decoration:none;letter-spacing:.02em}
.emergency .phone:hover{text-decoration:underline}
.emergency p{color:rgba(255,255,255,.85);margin-top:6px;font-size:15px}

/* footer */
footer.site{background:var(--spruce);color:var(--moss-soft);padding:56px 0 32px;font-size:14.5px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
@media(max-width:860px){footer.site .cols{grid-template-columns:1fr 1fr}}
@media(max-width:520px){footer.site .cols{grid-template-columns:1fr}}
footer.site h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--copper-bright);margin-bottom:14px}
footer.site a{color:var(--moss-soft);text-decoration:none;display:block;padding:3px 0}
footer.site a:hover{color:#fff}
footer.site .legal{border-top:1px solid var(--line-dark);margin-top:44px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--font-mono);font-size:12px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* placeholder flag */
.ph-flag{
  display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;background:#FFF3E8;color:#9c5a2c;border:1px dashed #d9a273;
  border-radius:4px;padding:2px 8px;vertical-align:middle;
}