/* =============================================================================
   Cromlech Construction — stylesheet
   Design system: "Blueprint & Concrete"
   - Deep structural blue (from brand mark) + concrete/steel neutrals
   - Amber used only as a hazard-stripe accent, never as a base color
   - Isometric cube + dimension-line motifs echo the logo throughout
============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=Archivo+Expanded:wght@700;800&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  /* Brand blues (from logo) */
  --blue-deep:   #1b3b8c;
  --blue-navy:   #0f2557;
  --blue-navy-2: #0a1c42;
  --blue-royal:  #2c57c9;
  --blue-mist:   #dfe6f7;

  /* Concrete / steel neutrals (from logo background) */
  --concrete-0:  #fbfbfa;
  --concrete-50: #f3f3f1;
  --concrete-100:#e9e9e6;
  --concrete-200:#d9d9d5;
  --steel-400:   #9096a1;
  --steel-500:   #6b7280;
  --steel-700:   #454b56;

  /* Ink + accent */
  --ink-900: #12141f;
  --white:   #ffffff;
  --amber:   #f2a900;
  --amber-ink: #4a3300;
  --safety-red: #c23b2f;

  /* Type */
  --font-display: 'Archivo Expanded', 'Archivo', sans-serif;
  --font-head: 'Archivo', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Layout */
  --container: 1180px;
  --radius-sm: 3px;
  --radius-md: 6px;
  --nav-h: 84px;

  --shadow-card: 0 1px 2px rgba(15,37,87,0.06), 0 8px 24px -12px rgba(15,37,87,0.18);
  --shadow-lift: 0 20px 45px -18px rgba(10,28,66,0.35);
}

/* -------------------------------------------------------------------------
   Reset
------------------------------------------------------------------------- */
*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--concrete-0);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ margin:0; font-family:var(--font-head); font-weight:800; letter-spacing:-0.01em; }
p{ margin:0; }
section{ position:relative; }

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

:focus-visible{
  outline:3px solid var(--amber);
  outline-offset:2px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--blue-royal);
}
.eyebrow::before{
  content:'';
  width:22px; height:2px;
  background:var(--amber);
  display:inline-block;
}
.section-head{
  max-width:640px;
  margin-bottom:48px;
}
.section-head h2{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.1;
  margin-top:14px;
  color:var(--blue-navy-2);
}
.section-head p{
  margin-top:16px;
  color:var(--steel-700);
  font-size:16.5px;
}
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

.pad{ padding:104px 0; }
@media (max-width:720px){ .pad{ padding:72px 0; } }

/* Buttons ------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 28px;
  border-radius:var(--radius-sm);
  font-family:var(--font-head);
  font-weight:700;
  font-size:14.5px;
  letter-spacing:0.01em;
  border:2px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--amber);
  color:var(--amber-ink);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 14px 28px -12px rgba(242,169,0,0.55); }
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,0.35);
  color:var(--white);
}
.btn-outline:hover{ border-color:var(--white); background:rgba(255,255,255,0.08); }
.btn-outline-dark{
  background:transparent;
  border-color:var(--blue-deep);
  color:var(--blue-deep);
}
.btn-outline-dark:hover{ background:var(--blue-deep); color:var(--white); }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:0.6; cursor:not-allowed; transform:none !important; }

/* -------------------------------------------------------------------------
   Header / Nav
------------------------------------------------------------------------- */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:rgba(10,28,66,0.0);
  transition:background .28s ease, height .28s ease, box-shadow .28s ease;
}
.site-header.is-scrolled{
  height:68px;
  background:rgba(10,28,66,0.96);
  backdrop-filter:blur(6px);
  box-shadow:0 8px 24px -16px rgba(0,0,0,0.5);
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:40px; width:auto; transition:height .28s ease; }
.site-header.is-scrolled .brand img{ height:34px; }
.brand-word{
  font-family:var(--font-display);
  font-weight:800;
  color:var(--white);
  font-size:16.5px;
  letter-spacing:0.01em;
  line-height:1.15;
}
.brand-word span{
  display:block;
  font-family:var(--font-mono);
  font-weight:500;
  font-size:10.5px;
  letter-spacing:0.16em;
  color:var(--amber);
  margin-top:2px;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:34px;
}
.nav-links a{
  color:rgba(255,255,255,0.86);
  font-size:14.5px;
  font-weight:600;
  position:relative;
  padding:6px 0;
}
.nav-links a::after{
  content:'';
  position:absolute; left:0; right:0; bottom:0;
  height:2px; background:var(--amber);
  transform:scaleX(0); transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover::after{ transform:scaleX(1); }

.nav-cta{ display:flex; align-items:center; gap:14px; }
.nav-phone{
  color:var(--white);
  font-family:var(--font-mono);
  font-size:13.5px;
  display:flex; align-items:center; gap:8px;
}
.nav-phone svg{ flex-shrink:0; }

.nav-toggle{
  display:none;
  background:none; border:none;
  width:40px; height:40px;
  align-items:center; justify-content:center;
  color:var(--white);
}

@media (max-width:960px){
  .nav-links{
    position:fixed;
    top:68px; left:0; right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:var(--blue-navy-2);
    padding:8px 28px 22px;
    transform:translateY(-8px);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .nav-links.is-open{
    opacity:1; visibility:visible; transform:translateY(0);
  }
  .nav-links a{ padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.08); }
  .nav-links a::after{ display:none; }
  .nav-phone{ display:none; }
  .nav-toggle{ display:inline-flex; }
}

/* -------------------------------------------------------------------------
   Hero
------------------------------------------------------------------------- */
.hero{
  position:relative;
  padding:calc(var(--nav-h) + 88px) 0 120px;
  background:
    radial-gradient(circle at 82% 18%, rgba(44,87,201,0.35), transparent 55%),
    linear-gradient(180deg, var(--blue-navy-2) 0%, var(--blue-navy) 62%, var(--blue-deep) 100%);
  overflow:hidden;
  color:var(--white);
}
.hero::before{
  /* blueprint grid */
  content:'';
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.055) 1px, transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,0.9), transparent 85%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:40px;
  align-items:center;
}
@media (max-width:940px){
  .hero-grid{ grid-template-columns:1fr; }
}

.hero-copy .eyebrow{ color:#a9c0f2; }
.hero-copy .eyebrow::before{ background:var(--amber); }
.hero-slogan{
  margin-top:16px;
  font-family:var(--font-display);
  font-weight:800;
  font-style:italic;
  font-size:clamp(16px,1.8vw,19px);
  color:var(--amber);
  letter-spacing:0.01em;
}
.hero-copy h1{
  margin-top:20px;
  font-size:clamp(36px,5.4vw,60px);
  line-height:1.04;
  color:var(--white);
}
.hero-copy h1 em{
  font-style:normal;
  color:var(--amber);
}
.hero-copy .lede{
  margin-top:22px;
  max-width:520px;
  font-size:17.5px;
  color:#c7d3ee;
}
.hero-actions{
  margin-top:36px;
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}

.hero-stats{
  margin-top:56px;
  display:flex;
  gap:0;
  border-top:1px solid rgba(255,255,255,0.16);
  padding-top:26px;
  flex-wrap:wrap;
}
.hero-stat{
  flex:1 1 130px;
  padding-right:22px;
}
.hero-stat .num{
  font-family:var(--font-mono);
  font-size:26px;
  font-weight:600;
  color:var(--white);
  display:flex;
  align-items:baseline;
  gap:2px;
}
.hero-stat .num small{ font-size:14px; color:var(--amber); }
.hero-stat .label{
  margin-top:4px;
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:#93a4cf;
}

/* Hero isometric visual */
.hero-visual{ position:relative; }
.iso-panel{
  position:relative;
  aspect-ratio:1/1;
  max-width:460px;
  margin:0 auto;
}
.iso-panel svg{ width:100%; height:100%; }
.dim-tag{
  position:absolute;
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--amber);
  background:rgba(10,28,66,0.7);
  border:1px solid rgba(242,169,0,0.4);
  padding:4px 9px;
  border-radius:2px;
  letter-spacing:0.04em;
  white-space:nowrap;
}
.dim-tag.dt-1{ top:6%; right:2%; }
.dim-tag.dt-2{ bottom:16%; left:-2%; }
.dim-tag.dt-3{ bottom:-2%; right:18%; }

/* -------------------------------------------------------------------------
   Marquee strip (clients / credentials)
------------------------------------------------------------------------- */
.strip{
  background:var(--concrete-50);
  border-bottom:1px solid var(--concrete-200);
  padding:22px 0;
}
.strip .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.strip-item{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  color:var(--steel-700);
}
.strip-item svg{ color:var(--blue-deep); flex-shrink:0; }

/* -------------------------------------------------------------------------
   About
------------------------------------------------------------------------- */
.about-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:70px;
  align-items:center;
}
@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; gap:48px; } }

.about-frame{
  position:relative;
  background:var(--blue-navy-2);
  border-radius:var(--radius-md);
  aspect-ratio:4/5;
  overflow:hidden;
  box-shadow:var(--shadow-lift);
}
.about-frame svg{ position:absolute; inset:0; width:100%; height:100%; }
.about-frame .frame-caption{
  position:absolute;
  left:0; right:0; bottom:0;
  padding:20px 22px;
  background:linear-gradient(0deg, rgba(10,28,66,0.92), transparent);
  color:var(--white);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.05em;
}

.about-copy .eyebrow{ margin-bottom:14px; }
.about-copy h2{
  font-size:clamp(26px,3.2vw,36px);
  color:var(--blue-navy-2);
  line-height:1.15;
}
.about-copy p{
  margin-top:18px;
  color:var(--steel-700);
  font-size:16px;
}
.credential-list{
  margin-top:28px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 20px;
}
.credential-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--ink-900);
  font-weight:600;
}
.credential-list svg{ flex-shrink:0; margin-top:2px; color:var(--blue-deep); }

/* -------------------------------------------------------------------------
   Services
------------------------------------------------------------------------- */
.services-section{ background:var(--white); }
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
  background:var(--concrete-200);
  border:1px solid var(--concrete-200);
}
@media (max-width:860px){ .service-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .service-grid{ grid-template-columns:1fr; } }

.service-card{
  background:var(--white);
  padding:36px 30px;
  transition:background .2s ease;
  position:relative;
}
.service-card:hover{ background:var(--concrete-0); }
.service-card .num{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--steel-400);
  letter-spacing:0.08em;
}
.service-icon{
  margin-top:18px;
  width:52px; height:52px;
  border-radius:var(--radius-sm);
  background:var(--blue-mist);
  color:var(--blue-deep);
  display:flex; align-items:center; justify-content:center;
}
.service-card h3{
  margin-top:22px;
  font-size:19px;
  color:var(--blue-navy-2);
}
.service-card p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--steel-700);
}

/* -------------------------------------------------------------------------
   Process (numbered — this IS a real sequence)
------------------------------------------------------------------------- */
.process-section{
  background:var(--blue-navy-2);
  color:var(--white);
}
.process-section .section-head h2{ color:var(--white); }
.process-section .section-head p{ color:#b7c3e6; }
.process-section .eyebrow{ color:#9fb4ef; }

.process-rail{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  position:relative;
}
.process-rail::before{
  content:'';
  position:absolute;
  top:26px; left:0; right:0;
  height:1px;
  background:repeating-linear-gradient(90deg, rgba(255,255,255,0.25) 0 8px, transparent 8px 16px);
}
@media (max-width:900px){
  .process-rail{ grid-template-columns:1fr; gap:34px; }
  .process-rail::before{ display:none; }
}
.process-step{ position:relative; padding-right:16px; }
.process-step .step-index{
  width:52px; height:52px;
  border-radius:50%;
  background:var(--blue-navy-2);
  border:2px solid var(--amber);
  color:var(--amber);
  font-family:var(--font-mono);
  font-weight:600;
  display:flex; align-items:center; justify-content:center;
  font-size:15px;
  position:relative;
  z-index:1;
}
.process-step h3{
  margin-top:20px;
  font-size:17px;
  color:var(--white);
}
.process-step p{
  margin-top:8px;
  font-size:14px;
  color:#aebbe0;
}

/* -------------------------------------------------------------------------
   Project types gallery
------------------------------------------------------------------------- */
.projects-section{ background:var(--concrete-50); }
.project-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
@media (max-width:900px){ .project-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:600px){ .project-grid{ grid-template-columns:1fr; } }

.project-card{
  background:var(--blue-navy-2);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease, box-shadow .25s ease;
}
.project-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lift); }
.project-visual{
  aspect-ratio:4/3;
  position:relative;
  background:linear-gradient(160deg,var(--blue-deep),var(--blue-navy-2));
}
.project-visual svg{ position:absolute; inset:0; width:100%; height:100%; }
.project-body{ padding:22px 24px 26px; background:var(--white); }
.project-tag{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--blue-royal);
}
.project-body h3{ margin-top:8px; font-size:18px; color:var(--blue-navy-2); }
.project-body p{ margin-top:8px; font-size:14px; color:var(--steel-700); }

/* -------------------------------------------------------------------------
   Why us / stat band
------------------------------------------------------------------------- */
.stat-band{
  background:var(--white);
  border-top:1px solid var(--concrete-200);
  border-bottom:1px solid var(--concrete-200);
}
.stat-band .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
@media (max-width:760px){ .stat-band .container{ grid-template-columns:1fr 1fr; } }
.stat-cell{
  padding:44px 24px;
  text-align:center;
  border-left:1px solid var(--concrete-200);
}
.stat-cell:first-child{ border-left:none; }
@media (max-width:760px){
  .stat-cell:nth-child(2n+1){ border-left:none; }
  .stat-cell:nth-child(n+3){ border-top:1px solid var(--concrete-200); }
}
.stat-cell .num{
  font-family:var(--font-mono);
  font-size:34px;
  font-weight:600;
  color:var(--blue-deep);
}
.stat-cell .num small{ font-size:18px; color:var(--amber); }
.stat-cell .label{
  margin-top:6px;
  font-size:13px;
  color:var(--steel-700);
  letter-spacing:0.02em;
}

/* -------------------------------------------------------------------------
   Inquiry / contact
------------------------------------------------------------------------- */
.contact-section{
  background:
    radial-gradient(circle at 12% 20%, rgba(44,87,201,0.25), transparent 50%),
    var(--blue-navy-2);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.contact-section::before{
  content:'';
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size:46px 46px;
  pointer-events:none;
}
.contact-grid{
  position:relative;
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:56px;
}
@media (max-width:940px){ .contact-grid{ grid-template-columns:1fr; } }

.contact-info .eyebrow{ color:#9fb4ef; }
.contact-info h2{
  margin-top:16px;
  font-size:clamp(26px,3.4vw,38px);
  color:var(--white);
  line-height:1.15;
}
.contact-info > p{
  margin-top:16px;
  color:#c7d3ee;
  font-size:16px;
  max-width:420px;
}
.contact-details{
  margin-top:36px;
  display:flex;
  flex-direction:column;
  gap:22px;
}
.contact-detail{
  display:flex;
  gap:16px;
  align-items:flex-start;
}
.contact-detail .ic{
  width:44px; height:44px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  display:flex; align-items:center; justify-content:center;
  color:var(--amber);
  flex-shrink:0;
}
.contact-detail .label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:#93a4cf;
}
.contact-detail .value{
  margin-top:3px;
  font-size:15.5px;
  font-weight:600;
  color:var(--white);
}
.contact-detail a.value:hover{ color:var(--amber); }

.hours-card{
  margin-top:36px;
  border:1px solid rgba(255,255,255,0.16);
  border-radius:var(--radius-md);
  padding:20px 22px;
  background:rgba(255,255,255,0.04);
}
.hours-card .label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:#93a4cf;
  margin-bottom:12px;
}
.hours-row{
  display:flex;
  justify-content:space-between;
  font-size:14px;
  padding:6px 0;
  border-top:1px dashed rgba(255,255,255,0.14);
  color:#dbe3f7;
}
.hours-row:first-of-type{ border-top:none; }

/* Form ------------------------------------------------------------------ */
.inquiry-card{
  position:relative;
  background:var(--white);
  border-radius:var(--radius-md);
  padding:38px 36px 34px;
  box-shadow:var(--shadow-lift);
  color:var(--ink-900);
}
.inquiry-card::before{
  content:'';
  position:absolute; top:0; left:0; right:0; height:6px;
  background:repeating-linear-gradient(-45deg, var(--amber) 0 14px, var(--blue-deep) 14px 28px);
  border-radius:var(--radius-md) var(--radius-md) 0 0;
}
.inquiry-card h3{
  font-size:21px;
  color:var(--blue-navy-2);
}
.inquiry-card .sub{
  margin-top:8px;
  font-size:14px;
  color:var(--steel-700);
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin-top:22px;
}
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:7px; margin-top:18px; }
.form-row .field{ margin-top:0; }
.field label{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:0.03em;
  color:var(--blue-navy-2);
}
.field label .opt{ color:var(--steel-400); font-weight:500; }
.field input,
.field select,
.field textarea{
  border:1.5px solid var(--concrete-200);
  border-radius:var(--radius-sm);
  padding:12px 13px;
  font-family:var(--font-body);
  font-size:14.5px;
  color:var(--ink-900);
  background:var(--concrete-0);
  transition:border-color .16s ease, box-shadow .16s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--blue-deep);
  box-shadow:0 0 0 3px rgba(27,59,140,0.14);
}
.field textarea{ resize:vertical; min-height:110px; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea{ border-color:var(--safety-red); }
.field-error{ font-size:12.5px; color:var(--safety-red); min-height:15px; }

/* honeypot */
.hp{ position:absolute; left:-9999px; top:-9999px; width:1px; height:1px; overflow:hidden; }

.form-footer{
  margin-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.form-note{ font-size:12.5px; color:var(--steel-500); max-width:280px; }

.form-status{
  margin-top:16px;
  padding:13px 16px;
  border-radius:var(--radius-sm);
  font-size:14px;
  font-weight:600;
  display:none;
  align-items:center;
  gap:10px;
}
.form-status.show{ display:flex; }
.form-status.success{ background:#e7f3ea; color:#1d6b3a; border:1px solid #b9e0c3; }
.form-status.error{ background:#fbeceb; color:#9c2b21; border:1px solid #f3c3bf; }

.btn-spinner{
  width:16px; height:16px;
  border-radius:50%;
  border:2px solid rgba(74,51,0,0.3);
  border-top-color:var(--amber-ink);
  animation:spin 0.7s linear infinite;
  display:none;
}
.btn.is-loading .btn-spinner{ display:inline-block; }
.btn.is-loading .btn-label{ opacity:0.75; }
@keyframes spin{ to{ transform:rotate(360deg); } }

/* -------------------------------------------------------------------------
   Footer
------------------------------------------------------------------------- */
.site-footer{
  background:var(--blue-navy-2);
  color:#a9b6dc;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
}
@media (max-width:860px){ .footer-grid{ grid-template-columns:1fr 1fr; row-gap:36px; } }
@media (max-width:520px){ .footer-grid{ grid-template-columns:1fr; } }

.footer-brand{ display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.footer-brand img{ height:36px; }
.footer-slogan{
  font-family:var(--font-display);
  font-weight:800;
  font-style:italic;
  font-size:14.5px;
  color:var(--amber);
  margin-bottom:12px;
}
.footer-about p{ font-size:14px; line-height:1.7; max-width:280px; }
.footer-col h4{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--white);
  margin-bottom:16px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ font-size:14px; }
.footer-col a:hover{ color:var(--amber); }
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.1);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:#7c8ab3;
}

/* -------------------------------------------------------------------------
   Scroll reveal
------------------------------------------------------------------------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
}
.reveal.in-view{ opacity:1; transform:translateY(0); }
.reveal-group .reveal:nth-child(1){ transition-delay:0s; }
.reveal-group .reveal:nth-child(2){ transition-delay:.08s; }
.reveal-group .reveal:nth-child(3){ transition-delay:.16s; }
.reveal-group .reveal:nth-child(4){ transition-delay:.24s; }
.reveal-group .reveal:nth-child(5){ transition-delay:.32s; }
.reveal-group .reveal:nth-child(6){ transition-delay:.4s; }

/* Back to top ------------------------------------------------------------ */
.back-to-top{
  position:fixed;
  right:22px; bottom:22px;
  width:46px; height:46px;
  border-radius:50%;
  background:var(--amber);
  color:var(--amber-ink);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 24px -10px rgba(0,0,0,0.4);
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s;
  z-index:90;
  border:none;
}
.back-to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }