:root{
  --navy:#000919;
  --navy-2:#061526;
  --navy-3:#0b2037;
  --ink:#102238;
  --blue:#7f9bb6;
  --blue-soft:#b9cad9;
  --white:#ffffff;
  --off:#f6f8fa;
  --line:#d7e0e8;
  --text:#243343;
  --muted:#607080;
  --max:1180px;
  --shadow:0 18px 50px rgba(0,9,25,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial, Helvetica, sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.6;
}
img{max-width:100%;display:block}
a{color:inherit}
.container{width:min(var(--max), calc(100% - 40px));margin-inline:auto}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:.76rem;
  font-weight:700;
  color:#617d97;
}
h1,h2,h3{line-height:1.12;margin:0 0 18px;color:var(--ink)}
h1{font-family:Georgia, "Times New Roman", serif;font-size:clamp(2.4rem,5vw,5rem);font-weight:500}
h2{font-family:Georgia, "Times New Roman", serif;font-size:clamp(2rem,3.4vw,3.4rem);font-weight:500}
h3{font-size:1.18rem}
p{margin:0 0 18px}
.small{font-size:.9rem;color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 20px;border:1px solid transparent;border-radius:3px;
  text-decoration:none;font-size:.84rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;transition:.18s ease;
}
.btn.primary{background:var(--white);color:var(--navy)}
.btn.primary:hover{background:#eaf0f5;transform:translateY(-1px)}
.btn.dark{background:var(--navy);color:var(--white)}
.btn.dark:hover{background:var(--navy-3);transform:translateY(-1px)}
.btn.outline{border-color:#91a7ba;color:var(--white);background:transparent}
.btn.outline:hover{background:rgba(255,255,255,.08)}
.button-row{display:flex;gap:12px;flex-wrap:wrap}

/* Header */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(0,9,25,.96);
  border-bottom:1px solid rgba(255,255,255,.11);
  backdrop-filter:blur(10px);
}
.nav{
  min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.brand{
  display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;
  font-size:.9rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase
}
.brand-mark{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.4);border-radius:50%;
  display:grid;place-items:center;font-family:Georgia,serif;font-size:1rem;
}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  color:#e8eef4;text-decoration:none;font-size:.86rem;letter-spacing:.04em
}
.nav-links a:hover,.nav-links a.active{color:#fff}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:1.7rem;cursor:pointer}

/* Hero */
.hero{
  background:
    linear-gradient(rgba(0,9,25,.03),rgba(0,9,25,.03)),
    var(--navy);
  color:#fff;
  overflow:hidden;
}
.hero-inner{
  min-height:730px;display:grid;grid-template-columns:1fr 1.05fr;
  align-items:center;gap:30px;padding:70px 0;
}
.hero-copy h1,.hero-copy p{color:#fff}
.hero-copy p{max-width:650px;color:#dbe6ee;font-size:1.08rem}
.hero-logo{
  width:min(600px,100%);margin-left:auto;
  filter:drop-shadow(0 22px 45px rgba(0,0,0,.22));
}
.hero .eyebrow{color:#9fb8cf}
.hero-note{margin-top:22px;color:#99aec1;font-size:.82rem}

/* Sections */
.section{padding:90px 0}
.section.alt{background:var(--off)}
.section.dark{background:var(--navy-2);color:#dfe7ee}
.section.dark h2,.section.dark h3{color:#fff}
.section-head{max-width:780px;margin-bottom:42px}
.section-head p{color:var(--muted)}
.section.dark .section-head p{color:#b9c7d3}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);padding:30px;border-radius:5px;
  box-shadow:0 8px 24px rgba(13,37,59,.05)
}
.card .num{font-family:Georgia,serif;font-size:2.25rem;color:#a4b5c4;margin-bottom:18px}
.card ul{padding-left:20px;margin:16px 0 0}
.card li{margin:8px 0}
.blueprint-card{
  position:relative;overflow:hidden;background:var(--navy-2);color:#fff;
  min-height:330px;padding:30px;border-radius:5px;
  border:1px solid rgba(255,255,255,.14)
}
.blueprint-card:before{
  content:"";position:absolute;inset:0;opacity:.19;
  background-image:
    linear-gradient(rgba(180,205,225,.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180,205,225,.35) 1px, transparent 1px);
  background-size:34px 34px;
}
.blueprint-card > *{position:relative;z-index:1}
.blueprint-card h3{color:#fff;font-size:1.45rem;margin-top:100px}
.blueprint-card p{color:#c9d7e2}
.tag{display:inline-block;border:1px solid rgba(255,255,255,.36);padding:6px 9px;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.checks{display:grid;gap:15px;margin-top:24px}
.check{display:flex;gap:13px}
.check b{color:var(--ink)}
.check-icon{flex:0 0 22px;height:22px;border:1px solid #95aabd;border-radius:50%;display:grid;place-items:center;font-size:.72rem;margin-top:2px}
.cta{
  background:var(--navy);color:#fff;padding:55px;border-radius:6px;
  display:flex;align-items:center;justify-content:space-between;gap:30px
}
.cta h2{color:#fff;font-size:clamp(1.8rem,3vw,3rem);margin-bottom:8px}
.cta p{color:#c8d5df;max-width:720px;margin:0}

/* Page hero */
.page-hero{background:var(--navy);padding:90px 0 70px;color:#fff}
.page-hero h1{color:#fff;font-size:clamp(2.6rem,5vw,4.7rem)}
.page-hero p{max-width:760px;color:#cbd8e2;font-size:1.08rem}
.page-hero .eyebrow{color:#9fb8cf}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}
.contact-panel{padding:35px;border:1px solid var(--line);border-radius:5px;background:#fff}
.contact-panel a{color:#173e60}
.contact-line{padding:18px 0;border-bottom:1px solid var(--line)}
.contact-line:last-child{border-bottom:0}
.mail-card{background:var(--navy);color:#fff}
.mail-card h3{color:#fff}
.mail-card p{color:#cbd8e2}

/* Footer */
footer{background:#020b18;color:#9eb0c0;padding:42px 0}
.footer-grid{display:flex;align-items:flex-start;justify-content:space-between;gap:30px}
.footer-brand{color:#fff;font-weight:700;margin-bottom:8px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-links a{color:#cbd6df;text-decoration:none;font-size:.88rem}
.legal{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.76rem;color:#7f93a5}

/* responsive */
@media (max-width:850px){
  .menu-btn{display:block}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:72px;background:#020b18;
    padding:22px 20px;flex-direction:column;align-items:flex-start;gap:17px;
    border-top:1px solid rgba(255,255,255,.08)
  }
  .nav-links.open{display:flex}
  .hero-inner{grid-template-columns:1fr;padding:46px 0 55px;min-height:auto}
  .hero-logo{margin:20px auto 0;max-width:540px}
  .grid-3,.two-col,.contact-grid{grid-template-columns:1fr}
  .cta{padding:35px;align-items:flex-start;flex-direction:column}
}
@media (max-width:560px){
  .container{width:min(var(--max), calc(100% - 28px))}
  .section{padding:65px 0}
  .hero-copy h1{font-size:2.7rem}
  .footer-grid{flex-direction:column}
}


/* Project portfolio */
.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.project-card{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;box-shadow:0 12px 32px rgba(13,37,59,.08)}
.project-card-image{aspect-ratio:16/10;background:#eef2f5;overflow:hidden;border-bottom:1px solid var(--line)}
.project-card-image img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .25s ease}
.project-card:hover .project-card-image img{transform:scale(1.015)}
.project-card-body{padding:27px}
.project-card-body h3{font-family:Georgia,"Times New Roman",serif;font-size:1.65rem;font-weight:500}
.project-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:15px}
.project-pill{display:inline-block;border:1px solid #bac8d3;color:#455e74;padding:5px 9px;border-radius:999px;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
.project-link{font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;text-decoration:none;color:#173e60}
.project-link:hover{text-decoration:underline}
.case-hero{background:var(--navy);color:#fff;padding:72px 0}
.case-hero h1{color:#fff;font-size:clamp(2.4rem,4.5vw,4.3rem)}
.case-hero p{color:#cbd8e2;max-width:800px;font-size:1.06rem}
.case-hero .eyebrow{color:#9fb8cf}
.case-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(260px,.55fr);gap:42px;align-items:start}
.case-facts{background:var(--off);border:1px solid var(--line);padding:28px;border-radius:6px;position:sticky;top:95px}
.case-facts dl{margin:0}
.case-facts dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:#6d8193;font-weight:700;margin-top:18px}
.case-facts dt:first-child{margin-top:0}
.case-facts dd{margin:5px 0 0;color:var(--ink)}
.plan-gallery{display:grid;gap:28px}
.plan-sheet{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;box-shadow:0 10px 30px rgba(13,37,59,.07)}
.plan-sheet img{width:100%;height:auto}
.plan-caption{padding:15px 18px;color:var(--muted);font-size:.88rem;border-top:1px solid var(--line)}
.portfolio-note{padding:20px 22px;background:#eef3f7;border-left:3px solid #829bb0;margin:26px 0;color:#42566a}
.back-link{display:inline-block;margin-bottom:20px;color:#9fb8cf;text-decoration:none;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em}
.back-link:hover{color:#fff}
@media (max-width:850px){.project-grid,.case-layout{grid-template-columns:1fr}.case-facts{position:static}}


/* Project inquiry form */
.project-form{margin-top:30px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:20px}
.form-field label{
  font-size:.82rem;font-weight:700;letter-spacing:.04em;color:var(--ink)
}
.form-field label span{color:#6f879d}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;border:1px solid #cbd6df;border-radius:3px;
  background:#fff;color:var(--text);
  font:inherit;padding:13px 14px;outline:none;
  transition:border-color .15s ease, box-shadow .15s ease
}
.form-field textarea{resize:vertical;min-height:165px}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:#6f8da8;box-shadow:0 0 0 3px rgba(111,141,168,.12)
}
.form-note{
  margin:-4px 0 22px;padding:13px 15px;
  background:var(--off);border-left:3px solid #93aabd;
  font-size:.86rem;color:var(--muted)
}
.form-submit{border:0;cursor:pointer}
.form-honeypot{
  position:absolute!important;left:-9999px!important;
  width:1px!important;height:1px!important;overflow:hidden!important
}
@media (max-width:650px){
  .form-grid{grid-template-columns:1fr}
}


.form-status{
  display:none;
  margin-top:18px;
  padding:14px 16px;
  border-radius:3px;
  font-size:.92rem;
}
.form-status.success{
  display:block;
  background:#edf4f0;
  border:1px solid #b9d1c3;
  color:#244c35;
}
.form-status.error{
  display:block;
  background:#fbefef;
  border:1px solid #e1bcbc;
  color:#7a2b2b;
}
.form-submit:disabled{
  opacity:.7;
  cursor:not-allowed;
}


/* Centered project inquiry success confirmation */
.form-panel{
  position:relative;
  overflow:hidden;
}
.form-status.success{
  display:none;
}
.form-success-overlay{
  position:absolute;
  inset:0;
  z-index:5;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:30px;
  background:rgba(246,248,250,.90);
  backdrop-filter:blur(3px);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .2s ease, visibility .2s ease;
}
.form-success-overlay.show{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.success-card{
  width:min(480px,100%);
  padding:38px 34px;
  text-align:center;
  background:#fff;
  border:1px solid #cdd8e1;
  border-radius:6px;
  box-shadow:0 20px 55px rgba(0,9,25,.16);
}
.success-card h3{
  margin:8px 0 12px;
  font-family:Georgia, "Times New Roman", serif;
  font-size:1.8rem;
  font-weight:500;
}
.success-card p{
  color:var(--muted);
  margin-bottom:24px;
}
.success-icon{
  width:62px;
  height:62px;
  margin:0 auto 18px;
  border:2px solid #7996ad;
  border-radius:50%;
  display:grid;
  place-items:center;
  color:#31566f;
  font-size:1.8rem;
  font-weight:700;
  background:#eef4f7;
}