/* ============================================================
   RESTORE COMMERCIAL REFRIGERATION — design tokens
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root{
  /* colour */
  --indigo-900:#141A4D;
  --indigo-700:#272F82;   /* brand mark colour, sampled from logo */
  --indigo-500:#3B4AA8;
  --frost-100:#E4EBF0;
  --frost-050:#EEF2F6;
  --steel-600:#54627A;
  --ink-900:#14181F;
  --line:#C7D3DC;
  --thaw-500:#D9791F;     /* warm accent — used sparingly, CTAs / warnings */
  --thaw-600:#B8630F;
  --white:#F9FBFC;
  --paper:#FFFFFF;

  /* type */
  --display: 'Space Grotesk', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;

  /* layout */
  --maxw: 1120px;
  --gutter: 28px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink-900);
  background:var(--white);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }

h1,h2,h3{
  font-family:var(--display);
  margin:0 0 .4em 0;
  line-height:1.1;
  font-weight:600;
  letter-spacing:-0.01em;
}
h1{ font-size:clamp(2.1rem, 4.4vw, 3.4rem); }
h2{ font-size:clamp(1.5rem, 2.6vw, 2.1rem); }
h3{ font-size:1.15rem; }
p{ margin:0 0 1em 0; max-width:62ch; color:var(--steel-600); }
.lede{ font-size:1.15rem; color:var(--steel-600); max-width:52ch; }

:focus-visible{
  outline:3px solid var(--thaw-500);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------------- header / nav ---------------- */
.site-header{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky;
  top:0;
  z-index:50;
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-top:16px;
  padding-bottom:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand img{ height:34px; width:auto; }

.mainnav ul{
  list-style:none;
  display:flex;
  gap:2px;
  margin:0;
  padding:0;
}
.mainnav a{
  display:inline-block;
  padding:10px 14px;
  text-decoration:none;
  font-size:.95rem;
  font-weight:500;
  color:var(--steel-600);
  border-bottom:2px solid transparent;
}
.mainnav a:hover{ color:var(--indigo-700); }
.mainnav a.active{
  color:var(--indigo-700);
  border-bottom-color:var(--thaw-500);
}
.navtoggle{ display:none; }

@media (max-width:760px){
  .site-header .wrap{ flex-wrap:wrap; }
  .mainnav ul{ flex-wrap:wrap; gap:0; }
  .mainnav a{ padding:8px 10px; font-size:.9rem; }
}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--body);
  font-weight:600;
  font-size:.95rem;
  padding:13px 22px;
  border-radius:3px;
  text-decoration:none;
  border:1.5px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background:var(--indigo-700);
  color:var(--white);
}
.btn-primary:hover{ background:var(--indigo-900); }
.btn-ghost{
  background:transparent;
  border-color:var(--indigo-700);
  color:var(--indigo-700);
}
.btn-ghost:hover{ background:var(--frost-100); }
.btn-accent{
  background:var(--thaw-500);
  color:var(--white);
}
.btn-accent:hover{ background:var(--thaw-600); }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top:28px; }

/* ---------------- hero ---------------- */
.hero{
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg, var(--frost-050) 0%, var(--white) 100%);
}
.hero .wrap{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
  padding-top:64px;
  padding-bottom:64px;
}
.hero-eyebrow{
  display:inline-block;
  font-family:var(--display);
  font-size:.8rem;
  letter-spacing:.03em;
  color:var(--indigo-700);
  border:1px solid var(--indigo-700);
  padding:4px 10px;
  border-radius:2px;
  margin-bottom:18px;
}
@media (max-width:860px){
  .hero .wrap{ grid-template-columns:1fr; padding-top:40px; padding-bottom:40px; }
}

/* spec-plate: echoes the equipment nameplates / checklist forms Restore already uses */
.spec-plate{
  border:1.5px solid var(--indigo-700);
  border-radius:4px;
  padding:26px 26px 22px;
  position:relative;
  background:var(--paper);
}
.spec-plate::before,
.spec-plate::after{
  content:"";
  position:absolute;
  width:14px; height:14px;
  border:1.5px solid var(--indigo-700);
}
.spec-plate::before{ top:-1.5px; left:-1.5px; border-right:none; border-bottom:none; }
.spec-plate::after{ bottom:-1.5px; right:-1.5px; border-left:none; border-top:none; }
.spec-plate .plate-label{
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--steel-600);
  text-transform:uppercase;
  margin-bottom:10px;
}
.plate-range{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-family:var(--display);
  color:var(--indigo-900);
}
.plate-range .num{ font-size:2.6rem; font-weight:700; }
.plate-range .arrow{ color:var(--thaw-500); font-size:1.6rem; }
.plate-rows{
  margin-top:18px;
  border-top:1px solid var(--line);
  padding-top:14px;
  display:grid;
  gap:8px;
  font-size:.88rem;
}
.plate-rows div{ display:flex; justify-content:space-between; color:var(--steel-600); }
.plate-rows b{ color:var(--ink-900); font-weight:600; }

/* ---------------- sections ---------------- */
section{ padding:60px 0; }
.section-tight{ padding:40px 0; }
.section-alt{ background:var(--frost-050); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-dark{ background:var(--indigo-900); color:var(--white); }
.section-dark p{ color:#C4CCE6; }
.section-dark h2{ color:var(--white); }

.section-head{ max-width:60ch; margin-bottom:36px; }

/* ---------------- cards / grids ---------------- */
.grid{
  display:grid;
  gap:24px;
}
.grid-3{ grid-template-columns:repeat(3, 1fr); }
.grid-2{ grid-template-columns:repeat(2, 1fr); }
@media (max-width:860px){
  .grid-3, .grid-2{ grid-template-columns:1fr; }
}

.card{
  border:1px solid var(--line);
  border-top:3px solid var(--indigo-700);
  padding:26px 24px;
  background:var(--paper);
}
.card h3{ margin-bottom:.5em; }
.card p{ margin-bottom:0; font-size:.96rem; }
.card .tag{
  display:inline-block;
  font-size:.72rem;
  letter-spacing:.04em;
  color:var(--indigo-700);
  margin-bottom:10px;
  font-family:var(--display);
}

/* numbered steps — genuinely sequential content only */
.steps{ counter-reset:step; display:grid; gap:0; }
.step{
  counter-increment:step;
  display:grid;
  grid-template-columns:52px 1fr;
  gap:20px;
  padding:22px 0;
  border-top:1px solid var(--line);
}
.step:last-child{ border-bottom:1px solid var(--line); }
.step::before{
  content:counter(step);
  font-family:var(--display);
  font-weight:700;
  font-size:1.3rem;
  color:var(--thaw-500);
}
.step h3{ margin-bottom:6px; font-size:1.05rem; }
.step p{ margin:0; font-size:.94rem; }

/* diagram (cold-room cross section, drawn in CSS/SVG rather than stock photography) */
.diagram-box{
  border:1px solid var(--line);
  background:var(--paper);
  padding:20px;
}

/* ---------------- quote / callout ---------------- */
.callout{
  border-left:3px solid var(--thaw-500);
  padding:4px 0 4px 22px;
  margin:28px 0;
}
.callout p{ color:var(--ink-900); margin:0; font-size:1.05rem; }

/* ---------------- contact ---------------- */
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}
@media (max-width:860px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-line{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:12px;
  padding:12px 0;
  border-top:1px solid var(--line);
  font-size:.95rem;
}
.contact-line:last-child{ border-bottom:1px solid var(--line); }
.contact-line dt{ color:var(--steel-600); font-weight:500; }
.contact-line dd{ margin:0; }

/* ---------------- footer ---------------- */
.site-footer{
  background:var(--indigo-900);
  color:#C4CCE6;
  padding:40px 0 28px;
  margin-top:0;
}
.site-footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:20px;
}
.site-footer a{ text-decoration:none; color:#C4CCE6; }
.site-footer a:hover{ color:var(--white); }
.footer-mark{ font-family:var(--display); color:var(--white); font-weight:600; }
.footer-small{ font-size:.82rem; opacity:.75; }

.penguin-divider{
  display:flex;
  align-items:center;
  gap:14px;
  margin:0 0 30px;
  color:var(--line);
}
.penguin-divider::before, .penguin-divider::after{
  content:"";
  height:1px;
  flex:1;
  background:var(--line);
}

.download-row{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-top:18px;
}
.download-card{
  display:flex;
  align-items:center;
  gap:14px;
  border:1px solid var(--line);
  padding:16px 18px;
  text-decoration:none;
  color:var(--ink-900);
  min-width:260px;
  flex:1;
}
.download-card:hover{ border-color:var(--indigo-700); }
.download-card .ext{
  font-family:var(--display);
  font-size:.7rem;
  font-weight:700;
  color:var(--white);
  background:var(--indigo-700);
  padding:4px 7px;
  border-radius:2px;
}
.download-card .meta{ font-size:.82rem; color:var(--steel-600); margin-top:2px; }

/* page hero (interior pages) */
.page-hero{
  border-bottom:1px solid var(--line);
  background:var(--frost-050);
  padding:48px 0 40px;
}
.page-hero .hero-eyebrow{ margin-bottom:14px; }