/* ==========================================================================
   Daniel Solar — Engineering & Design
   Design system: premium ivory & antique gold
   ========================================================================== */

:root{
  --ink:        #1B1712;
  --ink-70:     rgba(27,23,18,0.72);
  --ink-45:     rgba(27,23,18,0.48);
  --paper:      #FAF7F0;
  --paper-alt:  #F1E9D8;
  --white:      #FFFFFF;
  --blue:       #A9812A;
  --blue-deep:  #6E5218;
  --blue-mid:   #C9A227;
  --blue-tint:  #F5EEDA;
  --amber:      #D4AF37;
  --amber-deep: #A67C1E;
  --line:       #E2D9C4;
  --line-soft:  #ECE4D2;
  --ok:         #4B7A4E;

  --font-display: 'Playfair Display', serif;
  --font-body: 'Jost', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --container: 1200px;
  --radius: 2px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth; overflow-x:hidden; width:100%;}
html.nav-open{
  overflow:hidden;
}
html.nav-open body{
  position:fixed;
  top:calc(-1 * var(--scroll-lock-y, 0px));
  left:0;
  right:0;
  overflow:hidden;
  width:100%;
}
body{
  margin:0;
  width:100%;
  max-width:100%;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  margin:0;
  letter-spacing:-0.01em;
}
p{margin:0;}

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

/* ---------- utility / mono labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--blue);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:16px;
  height:1px;
  background:var(--amber);
  display:inline-block;
}
.dwg-tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  color:var(--ink-45);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 22px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  border:1px solid transparent;
  border-radius:var(--radius);
  transition:transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--ink);
  color:var(--white);
  position:relative;
}
.btn-primary:hover{background:var(--blue-deep);}
.btn-amber{
  background:var(--amber);
  color:var(--ink);
}
.btn-amber:hover{background:var(--amber-deep); color:var(--white);}
.btn-outline{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-outline:hover{background:var(--ink); color:var(--white);}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,0.4);
  color:var(--white);
}
.btn-outline-light:hover{border-color:var(--white); background:rgba(255,255,255,0.08);}

/* corner-bracket affordance */
.btn-cad{position:relative; padding:14px 24px;}
.btn-cad::before,
.btn-cad::after{
  content:"";
  position:absolute;
  width:6px; height:6px;
  border:1px solid currentColor;
  opacity:.55;
}
.btn-cad::before{top:3px; left:3px; border-right:none; border-bottom:none;}
.btn-cad::after{bottom:3px; right:3px; border-left:none; border-top:none;}

.header-content .btn-primary,
.nav-actions .btn-primary,
.site-header .btn-primary {
    background-color: #1B1712 !important;
    color: #ffffff !important;
    border: 2px solid #D4AF37 !important;
    padding: 10px 20px !important;
    border-radius: 40px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;
}
.header-content .btn-primary a,
.nav-actions .btn-primary a {
    color: #ffffff !important;
}

/* ---------- header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(250,247,240,0.97);
  border-bottom:1px solid var(--line-soft);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:18px;
  letter-spacing:-0.01em;
}
.brand .mark{
  width:30px;height:30px;
  flex:none;
}
.brand .name-sub{
  display:block;
  font-family:var(--font-mono);
  font-weight:400;
  font-size:10px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink-45);
  margin-top:2px;
}
.nav-toggle-checkbox{
  position:absolute;
  opacity:0;
  width:1px; height:1px;
  pointer-events:none;
}
.main-nav{display:flex; align-items:center; gap:36px;}
.main-nav ul{display:flex; gap:32px;}
.main-nav a{
  font-size:14px;
  font-weight:500;
  color:var(--ink-70);
  position:relative;
  padding:6px 0;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:2px; background:var(--amber);
}
.nav-actions{display:flex; align-items:center; gap:22px; position:relative; z-index:20;}

/* ---------- Services dropdown ---------- */
.main-nav ul li.has-dropdown{ position:relative; }
.nav-item-row{ display:flex; align-items:center; justify-content:space-between; }
.nav-item-row > a{ flex:1; }
.dropdown-toggle-checkbox{
  position:absolute;
  opacity:0;
  width:1px; height:1px;
  pointer-events:none;
}
.dropdown-caret{
  display:flex; align-items:center; justify-content:center;
  width:40px; height:40px;
  flex:none;
  cursor:pointer;
}
.dropdown-caret span{
  width:8px; height:8px;
  border-right:1.5px solid var(--ink-45);
  border-bottom:1.5px solid var(--ink-45);
  transform:rotate(45deg);
  transition:transform .2s ease;
}
.dropdown-toggle-checkbox:checked ~ .nav-item-row .dropdown-caret span{
  transform:rotate(225deg);
  margin-top:4px;
}
.services-dropdown{
  overflow:hidden;
  max-height:0;
  margin-top:0;
  padding-left:14px;
  background:transparent;
  border:none;
  box-shadow:none;
  transition:max-height .25s ease;
}
.dropdown-toggle-checkbox:checked ~ .services-dropdown{
  max-height:400px;
  margin-top:6px;
}
.services-dropdown a{
  display:block;
  padding:8px 0;
  font-size:13.5px;
  color:var(--ink-70);
  text-decoration:none;
  white-space:normal;
}
.services-dropdown a:hover{ color:var(--blue); }
.services-dropdown .dropdown-divider{
  height:1px;
  background:var(--line-soft);
  margin:6px 0;
}

/* Desktop (≥861px): hover popup */
@media (min-width:861px){
  .dropdown-caret{ display:none; }
  .nav-item-row{ display:contents; }

  .main-nav ul li.has-dropdown #services-nav-link::after{
    content:"";
    display:inline-block;
    width:6px; height:6px;
    border-right:1.5px solid currentColor;
    border-bottom:1.5px solid currentColor;
    transform:rotate(45deg);
    margin-left:6px;
    margin-bottom:1px;
    transition:transform .18s ease;
  }
  .main-nav ul li.has-dropdown:hover #services-nav-link::after{
    transform:rotate(225deg);
    margin-bottom:-3px;
  }
  .services-dropdown{
    position:absolute;
    top:100%; left:0;
    min-width:260px;
    max-height:none;
    overflow:visible;
    background:#1B1712;
    border:1px solid rgba(212,175,55,0.28);
    border-radius:6px;
    padding:8px;
    margin-top:14px;
    opacity:0;
    visibility:hidden;
    transform:translateY(6px);
    transition:opacity .18s ease, transform .18s ease, visibility .18s ease;
    z-index:50;
    box-shadow:0 18px 40px rgba(0,0,0,0.35);
  }
  .main-nav ul li.has-dropdown:hover .services-dropdown{
    opacity:1; visibility:visible; transform:translateY(0);
  }
  .services-dropdown a{
    padding:10px 12px;
    font-size:14px;
    color:#EDEFF2;
    border-radius:4px;
    white-space:nowrap;
  }
  .services-dropdown a:hover{
    background:rgba(212,175,55,0.14);
    color:#D4AF37;
  }
  .services-dropdown .dropdown-divider{
    background:rgba(255,255,255,0.08);
    margin:6px 4px;
  }
}
.tel-link{
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--ink-70);
}
.menu-toggle{
  display:none;
  background:none;border:1px solid var(--line);
  width:40px;height:40px;
  align-items:center; justify-content:center;
  border-radius:var(--radius);
  cursor:pointer;
}
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after{
  content:"";
  display:block;
  width:18px;height:1.5px;background:var(--ink);
  position:relative;
}
.menu-toggle span::before{position:absolute; top:-6px;}
.menu-toggle span::after{position:absolute; top:6px;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,0.72);
  padding:72px 0 28px;
  margin-top:120px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,0.12);
}
.footer-brand .brand{color:#fff;}
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  line-height:1.7;
  max-width:320px;
  color:rgba(255,255,255,0.55);
}
.footer-col h4{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:rgba(255,255,255,0.4);
  margin-bottom:16px;
  font-weight:500;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px; color:rgba(255,255,255,0.75);}
.footer-col a:hover{color:var(--amber);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:28px;
  font-family:var(--font-mono);
  font-size:12px;
  color:rgba(255,255,255,0.4);
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:64px 0 0;
  overflow:hidden;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:48px 48px;
  background-position:center top;
}
.hero::before{
  content:"";
  position:absolute; top:0; right:0; bottom:0; left:0;
  background:linear-gradient(180deg, var(--paper) 0%, rgba(245,247,249,0.4) 45%, var(--paper) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
  padding-bottom:56px;
}
.hero-copy h1{
  font-size:clamp(38px, 4.6vw, 60px);
  margin:20px 0 22px;
}
.hero-copy h1 em{
  font-style:normal;
  color:var(--blue);
}
.hero-copy p.lede{
  font-size:18px;
  color:var(--ink-70);
  max-width:460px;
  margin-bottom:32px;
}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:36px;}
.hero-meta{
  display:flex; gap:28px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--ink-45);
}
.hero-meta span b{color:var(--ink); font-weight:600;}

/* schematic SVG panel */
.hero-figure{position:relative;}
.hero-figure svg{width:100%; height:auto; overflow:visible;}

.stat-strip{
  border-top:1px solid var(--line);
  background:var(--white);
}
.stat-strip .wrap{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:28px 24px;
  border-left:1px solid var(--line);
  position:relative;
}
.stat-item:first-child{border-left:none;}
.stat-num{
  font-family:var(--font-display);
  font-size:32px;
  font-weight:600;
  color:var(--ink);
}
.stat-num span{color:var(--amber-deep);}
.stat-label{
  margin-top:6px;
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--ink-45);
  letter-spacing:0.03em;
}

/* ---------- section shells ---------- */
.section{padding:112px 0;}
.section-tight{padding:80px 0;}
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(28px,3vw,40px);
  margin-top:16px;
}
.section-head p{
  margin-top:16px;
  font-size:16.5px;
  color:var(--ink-70);
}
.section-alt{background:var(--white); border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft);}
.section-dark{background:var(--ink); color:rgba(255,255,255,0.85);}
.section-dark .eyebrow{color:var(--amber);}
.section-dark .eyebrow::before{background:var(--amber);}
.section-dark h2{color:#fff;}

/* ---------- service cards ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
.grid-2{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line);}
.card{
  background:var(--white);
  padding:36px 32px;
  position:relative;
  transition:background .2s ease;
}
.card:hover{background:var(--blue-tint);}
.card .card-index{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--ink-45);
}
.card .card-icon{
  width:44px;height:44px;
  margin:18px 0 20px;
  color:var(--blue);
}
.card h3{
  font-size:19px;
  margin-bottom:10px;
}
.card p{
  font-size:14.5px;
  color:var(--ink-70);
  line-height:1.65;
}
.card .card-link{
  margin-top:18px;
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--blue);
  text-transform:uppercase;
  letter-spacing:0.04em;
}

/* ---------- process ---------- */
.process{position:relative;}
.process-line{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  margin-top:8px;
}
.process-line::before{
  content:"";
  position:absolute;
  top:11px; left:0; right:0;
  height:1px;
  background:repeating-linear-gradient(90deg, var(--ink-45) 0, var(--ink-45) 6px, transparent 6px, transparent 12px);
}
.process-step{padding-right:24px;}
.process-tick{
  width:22px;height:22px;
  border-radius:50%;
  background:var(--paper);
  border:1.5px solid var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono);
  font-size:11px;
  position:relative;
  z-index:1;
}
.process-step h4{
  margin-top:20px;
  font-size:16.5px;
}
.process-step p{
  margin-top:8px;
  font-size:14px;
  color:var(--ink-70);
}

/* ---------- reach panel ---------- */
.reach-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.region-list{margin-top:28px;}
.region-row{
  display:flex; justify-content:space-between;
  padding:14px 0;
  border-bottom:1px solid rgba(255,255,255,0.12);
  font-size:14.5px;
}
.region-row span:last-child{
  font-family:var(--font-mono);
  color:var(--amber);
  font-size:13px;
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--blue-deep);
  color:#fff;
  border-radius:var(--radius);
  padding:64px 56px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-band h2{color:#fff; font-size:clamp(24px,2.6vw,34px); max-width:480px;}
.cta-band .cta-actions{display:flex; gap:14px; flex:none;}

/* ---------- forms ---------- */
.form-panel{
  background:var(--white);
  border:1px solid var(--line);
  padding:40px;
}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:20px;}
.field{margin-bottom:20px;}
.field label{
  display:flex; justify-content:space-between;
  font-family:var(--font-mono);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--ink-45);
  margin-bottom:8px;
}
.field label .unit{color:var(--blue);}
.field input,
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  background:var(--paper);
  padding:13px 14px;
  font-family:var(--font-body);
  font-size:14.5px;
  color:var(--ink);
  border-radius:var(--radius);
  transition:border-color .15s ease, background .15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--blue);
  background:#fff;
}
.field textarea{resize:vertical; min-height:110px;}
.field-check{
  display:flex; align-items:flex-start; gap:10px;
  font-size:13px;
  color:var(--ink-70);
}
.field-check input{width:auto; margin-top:3px;}
.form-note{
  margin-top:18px;
  font-size:12.5px;
  color:var(--ink-45);
}
.form-success{
  display:none;
  padding:18px 20px;
  background:var(--blue-tint);
  border:1px solid var(--blue-mid);
  color:var(--blue-deep);
  font-size:14px;
  margin-top:20px;
}
.form-success.visible{display:block;}

/* ---------- page hero ---------- */
.page-hero{
  padding:64px 0 56px;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:48px 48px;
  border-bottom:1px solid var(--line);
}
.page-hero h1{
  font-size:clamp(32px,4vw,48px);
  margin-top:18px;
  max-width:760px;
}
.page-hero p{
  margin-top:16px;
  font-size:17px;
  color:var(--ink-70);
  max-width:600px;
}

/* ---------- misc ---------- */
.divider-dim{
  height:1px;
  background:repeating-linear-gradient(90deg, var(--line) 0, var(--line) 6px, transparent 6px, transparent 12px);
  margin:64px 0;
}
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in{opacity:1; transform:translateY(0);}

.spec-table{width:100%; border-collapse:collapse;}
.spec-table th,.spec-table td{
  text-align:left;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  font-size:14px;
}
.spec-table th{
  font-family:var(--font-mono);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:0.05em;
  color:var(--ink-45);
  font-weight:500;
}
.spec-table th, .spec-table td{ word-break:break-word; }

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr; gap:48px;}
  .hero-figure{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr; row-gap:36px;}
  .stat-strip .wrap{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(3){border-left:none;}
  .reach-panel{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;
    top:76px; right:0; bottom:0; left:0;
    width:100%;
    height:calc(100% - 76px);
    background:var(--paper);
    flex-direction:column;
    align-items:stretch;
    padding:24px 32px;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
    overscroll-behavior:contain;
    box-sizing:border-box;
    z-index:9999;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-toggle-checkbox:checked ~ .main-nav{transform:translateX(0);}
  .main-nav ul{flex-direction:column; gap:0;}
  .main-nav li{border-bottom:1px solid var(--line-soft);}
  .main-nav a{display:block; padding:16px 0;}
  .nav-actions{margin-top:24px; flex-direction:column; align-items:stretch;}
  .menu-toggle{display:flex;}
  .grid-3{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .process-line{grid-template-columns:1fr; gap:28px;}
  .process-line::before{display:none;}
  .cta-band{flex-direction:column; align-items:flex-start; padding:40px 28px;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr; gap:32px;}
  .footer-bottom{flex-direction:column; align-items:flex-start;}
  .grid-2[style*="transparent"]{ gap:28px !important; }
  .hero-meta{flex-wrap:wrap; row-gap:10px;}
  .card{padding:28px 24px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{flex:1; justify-content:center;}
}
@media (max-width:560px){
  .wrap{padding:0 20px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .stat-strip .wrap{grid-template-columns:1fr 1fr;}
  .stat-item{padding:20px 16px;}
  .stat-num{font-size:26px;}
  .stat-label{font-size:10.5px;}
  .form-panel{padding:24px 20px;}
  .spec-table th, .spec-table td{padding:11px 12px; font-size:13px;}
  .hero-actions .btn, .cta-actions .btn{width:100%; justify-content:center;}
  .region-row{font-size:13.5px;}
}
@media (max-width:400px){
  .site-header .wrap{height:68px;}
  .main-nav{top:68px; height:calc(100% - 68px);}
  .brand{font-size:16px; gap:8px;}
  .brand .mark{width:26px; height:26px;}
  .brand .name-sub{font-size:9px;}
  .hero{padding-top:48px;}
  .page-hero{padding:48px 0 40px;}
  .cta-band{padding:32px 20px;}
}