/* ==========================================================================
   Duravion Engineering and Integrated Solutions
   Design system: "field tag" — every credential, service and result is
   presented the way a real inspection / permit tag is presented on site:
   hole-punched, corded, numbered, and impossible to fake.
   ========================================================================== */

:root{
  --navy-950:#070A10;
  --navy-850:#0D121B;
  --navy-700:#1C2431;
  --navy-600:#28323F;
  --gold-500:#C6A24D;
  --gold-300:#ECD08A;
  --paper:#E9E4D6;
  --paper-dim:#DDD7C6;
  --ink:#1B2230;
  --steel:#9BA8B8;
  --steel-dim:#5B6C82;
  --rust:#B14A26;

  --font-display:'Oswald', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--navy-950);
  color:var(--steel);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  color:#F3F0E7;
  font-weight:600;
  letter-spacing:0.01em;
  margin:0;
}

a{ color:inherit; text-decoration:none; }

img{ max-width:100%; display:block; }

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

/* Blueprint texture used on dark sections */
.blueprint{
  background-image:
    linear-gradient(rgba(198,162,77,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(198,162,77,0.06) 1px, transparent 1px);
  background-size:42px 42px;
}

/* Moody editorial treatment: grain + vignette + spotlight glow, used on
   hero, interior page headers and CTA bands to fake photographic depth
   without stock imagery. */
.moody{
  position:relative;
  background-color:var(--navy-950);
  background-image:
    radial-gradient(ellipse 900px 520px at 12% -10%, rgba(198,162,77,0.16), transparent 60%),
    radial-gradient(ellipse 700px 700px at 100% 110%, rgba(198,162,77,0.08), transparent 55%),
    linear-gradient(180deg, #05070B 0%, var(--navy-950) 55%, #05070B 100%);
}

.moody::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:0.5;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/></svg>");
  background-size:180px 180px;
}

.moody::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  box-shadow:inset 0 0 160px 40px rgba(0,0,0,0.65);
}

.moody > .wrap{ position:relative; z-index:1; }

/* ---------------------------- Header / nav ---------------------------- */

.site-header{
  background:var(--navy-950);
  border-bottom:1px solid var(--gold-500);
  position:sticky;
  top:0;
  z-index:50;
}

.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:16px;
  padding-bottom:16px;
  gap:24px;
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
}

.brand-mark{
  width:42px;
  height:42px;
  border:1.5px solid var(--gold-500);
  border-radius:3px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-display);
  font-size:15px;
  letter-spacing:0.05em;
  color:var(--gold-300);
  flex-shrink:0;
}

.brand-text{ line-height:1.15; }

.brand-text .name{
  font-family:var(--font-display);
  font-size:18px;
  letter-spacing:0.06em;
  color:#F3F0E7;
  text-transform:uppercase;
}

.brand-text .sub{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0.08em;
  color:var(--steel-dim);
  text-transform:uppercase;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:32px;
}

.site-nav a{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--steel);
  padding:6px 0;
  border-bottom:1px solid transparent;
  transition:color 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"]{
  color:var(--gold-300);
  border-bottom-color:var(--gold-500);
}

.nav-toggle{ display:none; }

@media (max-width:760px){
  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--navy-850);
    border-bottom:1px solid var(--gold-500);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:8px 32px 20px;
    display:none;
  }
  .site-nav.open{ display:flex; }
  .site-nav a{ padding:10px 0; width:100%; }
  .nav-toggle{
    display:flex;
    flex-direction:column;
    gap:5px;
    background:none;
    border:1px solid var(--gold-500);
    border-radius:3px;
    padding:9px 10px;
    cursor:pointer;
  }
  .nav-toggle span{ width:18px; height:2px; background:var(--gold-300); display:block; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold-300);
  outline-offset:3px;
}

/* ---------------------------- Buttons ---------------------------- */

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:14px 26px;
  border-radius:2px;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn:hover{ transform:translateY(-1px); }

.btn-primary{
  background:var(--gold-500);
  color:var(--navy-950);
  border-color:var(--gold-500);
}
.btn-primary:hover{ background:var(--gold-300); border-color:var(--gold-300); }

.btn-ghost{
  background:transparent;
  color:var(--gold-300);
  border-color:var(--steel-dim);
}
.btn-ghost:hover{ border-color:var(--gold-300); }

/* ---------------------------- Hero ---------------------------- */

.hero{
  padding:120px 0 128px;
  position:relative;
  overflow:hidden;
}

.hero-mark{
  position:absolute;
  top:50%;
  right:-40px;
  transform:translateY(-50%);
  font-family:var(--font-display);
  font-size:min(46vw, 620px);
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(198,162,77,0.14);
  letter-spacing:-0.02em;
  pointer-events:none;
  user-select:none;
  z-index:0;
}

@media (max-width:900px){ .hero-mark{ display:none; } }

.hero .eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--gold-300);
  margin-bottom:22px;
  display:flex;
  align-items:center;
  gap:10px;
}

.hero .eyebrow::before{
  content:"";
  width:26px;
  height:1px;
  background:var(--gold-500);
  display:inline-block;
}

.hero h1{
  font-size:clamp(42px, 7vw, 80px);
  font-weight:700;
  line-height:0.98;
  max-width:15ch;
  text-transform:uppercase;
  letter-spacing:-0.005em;
}

.hero h1 em{
  font-style:normal;
  color:var(--gold-300);
}

.hero .lede{
  margin-top:26px;
  max-width:52ch;
  font-size:18px;
  color:var(--steel);
}

.hero .actions{
  margin-top:38px;
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.hero-stats{
  margin-top:64px;
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(150px,1fr));
  gap:0;
  border-top:1px solid var(--navy-700);
  padding-top:28px;
}

.hero-stats div{ border-left:1px solid var(--navy-700); padding-left:18px; }
.hero-stats div:first-child{ border-left:none; padding-left:0; }

.hero-stats .num{
  font-family:var(--font-display);
  font-size:30px;
  color:#F3F0E7;
}

.hero-stats .label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--steel-dim);
  margin-top:4px;
}

/* ---------------------------- Section scaffolding ---------------------------- */

section{ padding:88px 0; }

.section-dark{ background:var(--navy-950); }
.section-panel{ background:var(--navy-850); border-top:1px solid var(--navy-700); border-bottom:1px solid var(--navy-700); }

.section-head{
  max-width:640px;
  margin-bottom:52px;
}

.section-head .eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--gold-300);
  margin-bottom:14px;
  display:block;
}

.section-head h2{
  font-size:clamp(28px,4vw,40px);
  text-transform:uppercase;
  line-height:1.15;
}

.section-head p{
  margin-top:16px;
  font-size:16px;
  color:var(--steel);
}

/* ---------------------------- Field tags (signature component) ---------------------------- */

.tag-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px,1fr));
  gap:34px 28px;
}

.tag{
  background:var(--paper);
  color:var(--ink);
  border-radius:4px;
  padding:34px 26px 28px;
  position:relative;
  box-shadow:0 28px 48px -22px rgba(0,0,0,0.75), 0 2px 0 rgba(255,255,255,0.4) inset;
}

.tag:nth-child(odd){ transform:rotate(-0.6deg); }
.tag:nth-child(even){ transform:rotate(0.5deg); }

.tag::before{
  /* punched hole */
  content:"";
  position:absolute;
  top:14px;
  left:50%;
  transform:translateX(-50%);
  width:13px;
  height:13px;
  border-radius:50%;
  background:var(--navy-950);
  border:2px solid var(--gold-500);
}

.tag::after{
  /* cord loop above the hole */
  content:"";
  position:absolute;
  top:-9px;
  left:50%;
  transform:translateX(-50%);
  width:22px;
  height:16px;
  border:2px solid var(--gold-500);
  border-bottom:none;
  border-radius:14px 14px 0 0;
}

.tag .tag-id{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--rust);
  display:block;
  text-align:center;
  margin-bottom:14px;
}

.tag h3{
  color:var(--ink);
  font-size:20px;
  text-transform:uppercase;
  text-align:center;
  margin-bottom:12px;
}

.tag p{
  font-size:14.5px;
  color:#3A4152;
  text-align:left;
  margin:0;
}

.tag hr{
  border:none;
  border-top:1px dashed #B8B09B;
  margin:16px 0;
}

.tag ul{
  margin:0;
  padding-left:18px;
  font-size:14px;
  color:#3A4152;
}
.tag li{ margin-bottom:6px; }

/* Credential strip tags: smaller, horizontal */
.cred-row{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
  gap:22px;
}

.cred-tag{
  background:var(--paper);
  color:var(--ink);
  border-radius:4px;
  padding:20px 20px 18px 46px;
  position:relative;
  box-shadow:0 14px 24px -16px rgba(0,0,0,0.5);
}

.cred-tag::before{
  content:"";
  position:absolute;
  top:50%;
  left:18px;
  transform:translateY(-50%);
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--navy-950);
  border:2px solid var(--gold-500);
}

.cred-tag .k{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--rust);
  display:block;
  margin-bottom:4px;
}

.cred-tag .v{
  font-family:var(--font-body);
  font-weight:600;
  font-size:14.5px;
  color:var(--ink);
}

/* ---------------------------- Sector / client strip ---------------------------- */

.sector-strip{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.sector-chip{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--steel);
  border:1px solid var(--navy-700);
  border-radius:20px;
  padding:9px 18px;
}

/* ---------------------------- Approach / numbered steps ---------------------------- */

.steps{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:36px;
  counter-reset:step;
}

.step{
  border-left:1px solid var(--navy-700);
  padding-left:22px;
  position:relative;
}

.step .step-num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--gold-300);
  letter-spacing:0.06em;
  margin-bottom:10px;
  display:block;
}

.step h4{
  font-size:17px;
  text-transform:uppercase;
  margin-bottom:10px;
}

.step p{ font-size:14.5px; margin:0; }

/* ---------------------------- Quote / person block ---------------------------- */

.person{
  display:grid;
  grid-template-columns:220px 1fr;
  gap:48px;
  align-items:start;
}

@media (max-width:700px){
  .person{ grid-template-columns:1fr; }
}

.person-photo{
  width:100%;
  aspect-ratio:1;
  border-radius:4px;
  background:linear-gradient(160deg, var(--navy-600), var(--navy-850));
  border:1px solid var(--gold-500);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-display);
  font-size:46px;
  letter-spacing:0.05em;
  color:var(--gold-300);
}

.person h3{
  font-size:22px;
  text-transform:uppercase;
}

.person .role{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--gold-300);
  margin-top:6px;
  display:block;
}

.person p{ margin-top:18px; font-size:15px; }

/* ---------------------------- CTA band ---------------------------- */

.cta-band{
  background:var(--navy-850);
  border-top:1px solid var(--gold-500);
  border-bottom:1px solid var(--gold-500);
  text-align:left;
}

.cta-band .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}

.cta-band h2{
  font-size:clamp(24px,3.4vw,32px);
  text-transform:uppercase;
  max-width:22ch;
}

/* ---------------------------- Footer ---------------------------- */

.site-footer{
  background:var(--navy-950);
  border-top:1px solid var(--navy-700);
  padding:56px 0 34px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  margin-bottom:44px;
}

@media (max-width:700px){
  .footer-grid{ grid-template-columns:1fr; }
}

.footer-grid h5{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--gold-300);
  margin-bottom:16px;
}

.footer-grid p, .footer-grid a{
  font-size:14px;
  color:var(--steel);
  display:block;
  margin-bottom:8px;
}

.footer-grid a:hover{ color:var(--gold-300); }

.footer-bottom{
  border-top:1px solid var(--navy-700);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.04em;
  color:var(--steel-dim);
  text-transform:uppercase;
}

/* ---------------------------- Page header (interior pages) ---------------------------- */

.page-header{
  padding:88px 0 72px;
  border-bottom:1px solid var(--navy-700);
  position:relative;
  overflow:hidden;
}

.page-header .eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--gold-300);
  margin-bottom:16px;
  display:block;
}

.page-header h1{
  font-size:clamp(34px,5.5vw,58px);
  font-weight:700;
  line-height:1.02;
  text-transform:uppercase;
  max-width:20ch;
}

.page-header p{
  margin-top:18px;
  max-width:56ch;
  font-size:16.5px;
  color:var(--steel);
}

/* ---------------------------- Contact page ---------------------------- */

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
}

@media (max-width:800px){
  .contact-grid{ grid-template-columns:1fr; }
}

.contact-details dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--gold-300);
  margin-top:26px;
}

.contact-details dt:first-child{ margin-top:0; }

.contact-details dd{
  margin:6px 0 0;
  font-size:16px;
  color:#F3F0E7;
}

form{
  background:var(--paper);
  border-radius:4px;
  padding:34px;
  color:var(--ink);
}

.field{ margin-bottom:20px; }

.field label{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--rust);
  margin-bottom:8px;
}

.field input, .field textarea, .field select{
  width:100%;
  border:1px solid #B8B09B;
  background:#fff;
  border-radius:3px;
  padding:12px 14px;
  font-family:var(--font-body);
  font-size:14.5px;
  color:var(--ink);
}

.field textarea{ min-height:120px; resize:vertical; }

form .btn-primary{
  width:100%;
  justify-content:center;
  border:none;
  font-size:12.5px;
  padding:15px 26px;
}

.form-note{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--steel-dim);
  margin-top:14px;
  text-transform:none;
  letter-spacing:0.01em;
}

/* ---------------------------- Case studies (editorial spread) ---------------------------- */

.case-list{
  display:flex;
  flex-direction:column;
}

.case-item{
  display:grid;
  grid-template-columns:200px 1fr;
  gap:48px;
  padding:64px 0;
  border-top:1px solid var(--navy-700);
}

.case-list .case-item:last-child{ border-bottom:1px solid var(--navy-700); }

.case-item:nth-child(even) .case-body{ order:1; }
.case-item:nth-child(even) .case-index{ order:0; }

.case-index{
  font-family:var(--font-display);
  font-size:88px;
  font-weight:700;
  line-height:0.85;
  color:transparent;
  -webkit-text-stroke:1.5px var(--gold-500);
}

.case-body{ max-width:760px; }

.case-item:nth-child(even) .case-body{ margin-left:auto; }

.case-sector{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--gold-300);
  display:block;
  margin-bottom:14px;
}

.case-body h3{
  font-size:clamp(22px,2.6vw,30px);
  text-transform:uppercase;
  line-height:1.12;
  max-width:22ch;
  margin-bottom:20px;
}

.case-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:22px;
}

.case-meta span{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--steel);
  border:1px solid var(--navy-700);
  border-radius:20px;
  padding:6px 14px;
}

.case-body p{
  font-size:15.5px;
  color:var(--steel);
  max-width:64ch;
}

.case-body p + p{ margin-top:14px; }

.case-outcome{
  margin-top:22px;
  padding-top:20px;
  border-top:1px dashed var(--navy-700);
}

.case-outcome .lbl{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--rust);
  display:block;
  margin-bottom:6px;
}

.case-outcome p{ color:#F3F0E7; font-size:15.5px; margin:0; }

@media (max-width:760px){
  .case-item{ grid-template-columns:1fr; gap:20px; }
  .case-item:nth-child(even) .case-body{ margin-left:0; }
  .case-item:nth-child(even) .case-body,
  .case-item:nth-child(even) .case-index{ order:initial; }
  .case-index{ font-size:56px; }
}

.case-note{
  margin-top:56px;
  padding:22px 26px;
  border:1px solid var(--navy-700);
  border-radius:4px;
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--steel-dim);
  line-height:1.7;
}

/* Utility */
.mt-lg{ margin-top:60px; }