/* ===========================================================
   Velwire Limited — Design System
   Display: Fraunces (institutional serif, restrained use)
   Body:    IBM Plex Sans
   Data/Mono: IBM Plex Mono (registration data, labels)
=========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,340;9..144,440;9..144,560&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:        #0B1220;
  --navy:       #16233F;
  --navy-2:     #1D2C4E;
  --slate:      #57627A;
  --slate-soft: #8891A3;
  --paper:      #F6F6F3;
  --paper-2:    #EFEFEA;
  --line:       #DBDBD4;
  --line-soft:  #E7E7E1;
  --brass:      #A9812E;
  --brass-hi:   #C79A3E;
  --white:      #FFFFFF;

  --serif: 'Fraunces', Georgia, serif;
  --sans:  'IBM Plex Sans', -apple-system, 'Segoe UI', sans-serif;
  --mono:  'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  --max: 1180px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:560; margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

::selection{ background:var(--brass-hi); color:var(--ink); }

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

.wrap{
  max-width:var(--max);
  margin:0 auto;
  padding:0 40px;
}

.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px;
  height:1px;
  background:var(--brass);
  display:inline-block;
}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(246,246,243,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--max);
  margin:0 auto;
  padding:0 40px;
  height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-family:var(--serif);
  font-size:21px;
  font-weight:560;
  color:var(--ink);
}
.brand-mark{
  width:30px;
  height:30px;
  flex-shrink:0;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:38px;
  font-size:14.5px;
  font-weight:500;
}
.nav-links a{
  position:relative;
  color:var(--slate);
  padding:6px 0;
  transition:color .18s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a.active{ color:var(--ink); }
.nav-links a.active::after{
  content:'';
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:2px;
  background:var(--brass);
}
.nav-cta{
  background:var(--ink);
  color:var(--paper) !important;
  padding:11px 20px;
  border-radius:2px;
  font-size:13.5px;
  letter-spacing:0.02em;
  transition:background .18s ease;
}
.nav-cta:hover{ background:var(--navy-2); }

.nav-toggle{
  display:none;
  background:none;
  border:none;
  width:28px;
  height:20px;
  position:relative;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px; background:var(--ink);
  transition:.2s ease;
}
.nav-toggle span:nth-child(1){ top:0; }
.nav-toggle span:nth-child(2){ top:9px; }
.nav-toggle span:nth-child(3){ top:18px; }

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  font-size:14.5px;
  font-weight:500;
  border-radius:2px;
  border:1px solid transparent;
  transition:all .18s ease;
}
.btn-primary{
  background:var(--ink);
  color:var(--paper);
}
.btn-primary:hover{ background:var(--navy-2); }
.btn-ghost{
  border-color:var(--line);
  color:var(--ink);
  background:transparent;
}
.btn-ghost:hover{ border-color:var(--ink); }
.btn-arrow{ transition:transform .18s ease; }
.btn:hover .btn-arrow{ transform:translateX(3px); }

/* ---------------- Hero ---------------- */
.hero{
  padding:88px 0 96px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:64px;
  align-items:center;
}
.hero h1{
  font-size:clamp(38px,4.6vw,58px);
  line-height:1.06;
  margin-top:22px;
  color:var(--ink);
}
.hero h1 em{
  font-style:italic;
  color:var(--brass);
}
.hero-sub{
  margin-top:26px;
  font-size:18px;
  color:var(--slate);
  max-width:46ch;
  line-height:1.65;
}
.hero-actions{
  display:flex;
  gap:16px;
  margin-top:38px;
}
.hero-meta{
  margin-top:52px;
  display:flex;
  gap:36px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-meta div{ font-family:var(--mono); font-size:12px; color:var(--slate-soft); }
.hero-meta strong{ display:block; font-family:var(--sans); font-size:14.5px; color:var(--ink); font-weight:600; margin-bottom:4px; }

/* ---------------- Schematic diagram (signature element) ------- */
.schematic{ width:100%; height:auto; }
.schem-line{ stroke:var(--slate-soft); stroke-width:1.4; fill:none; }
.schem-line-active{ stroke:var(--brass); stroke-width:1.6; fill:none; }
.schem-node-root rect{ fill:var(--ink); }
.schem-node-root text{ fill:var(--paper); }
.schem-node rect{ fill:var(--white); stroke:var(--line); stroke-width:1.2; }
.schem-node.active rect{ stroke:var(--brass); stroke-width:1.4; }
.schem-node text{ fill:var(--ink); }
.schem-tag{ fill:var(--slate-soft); font-family:var(--mono); }
.schem-tag-active{ fill:var(--brass); font-family:var(--mono); }

/* ---------------- Section scaffolding ---------------- */
section{ padding:96px 0; }
.section-tight{ padding:72px 0; }
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(28px,3vw,38px);
  margin-top:16px;
  color:var(--ink);
}
.section-head p{
  margin-top:16px;
  font-size:16.5px;
  color:var(--slate);
  line-height:1.7;
}
.border-y{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.bg-alt{ background:var(--paper-2); }
.bg-ink{ background:var(--ink); color:var(--paper); }
.bg-ink .slate{ color:#9AA4BC; }

/* ---------------- Grids / Cards ---------------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.cell{ background:var(--paper); padding:38px 34px; }
.bg-ink .cell{ background:var(--ink); }
.bg-ink .grid-3, .bg-ink .grid-2{ background:#28324B; border-color:#28324B; }

.stat{ }
.stat .num{ font-family:var(--serif); font-size:44px; color:var(--ink); }
.bg-ink .stat .num{ color:var(--paper); }
.stat .lbl{ margin-top:8px; font-size:13.5px; color:var(--slate); letter-spacing:.01em; }
.bg-ink .stat .lbl{ color:#9AA4BC; }

/* ---------------- Portfolio cards ---------------- */
.portfolio-list{ display:flex; flex-direction:column; }
.p-row{
  display:grid;
  grid-template-columns:64px 1fr auto;
  gap:28px;
  align-items:center;
  padding:34px 0;
  border-top:1px solid var(--line);
  transition:background .18s ease;
}
.p-row:last-child{ border-bottom:1px solid var(--line); }
.p-index{ font-family:var(--mono); font-size:13px; color:var(--slate-soft); }
.p-name{ font-family:var(--serif); font-size:24px; color:var(--ink); }
.p-desc{ margin-top:6px; color:var(--slate); font-size:15px; max-width:56ch; }
.p-status{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:6px 12px;
  border-radius:20px;
  white-space:nowrap;
}
.p-status.flagship{ background:#F4E9D4; color:var(--brass); }
.p-status.building{ background:var(--paper-2); color:var(--slate); border:1px solid var(--line); }

/* ---------------- Tables (registration / data) ---------------- */
.data-table{ width:100%; border-collapse:collapse; }
.data-table tr{ border-top:1px solid var(--line); }
.data-table tr:last-child{ border-bottom:1px solid var(--line); }
.data-table th,.data-table td{
  text-align:left;
  padding:18px 4px;
  font-size:14.5px;
  vertical-align:top;
}
.data-table th{
  color:var(--slate-soft);
  font-weight:500;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  width:220px;
}
.data-table td{ color:var(--ink); }

/* ---------------- Forms ---------------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:22px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-size:13px; font-weight:500; color:var(--slate); }
.field input, .field select, .field textarea{
  font-family:var(--sans);
  font-size:15px;
  padding:13px 15px;
  border:1px solid var(--line);
  border-radius:2px;
  background:var(--white);
  color:var(--ink);
  transition:border-color .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--brass);
  outline:none;
}
.field textarea{ resize:vertical; min-height:140px; }
.form-note{ font-size:12.5px; color:var(--slate-soft); margin-top:6px; }
.form-status{ font-size:14px; margin-top:16px; display:none; }
.form-status.show{ display:block; }
.form-status.ok{ color:#2E7D4F; }
.form-status.err{ color:#B24242; }

/* ---------------- Contact strip ---------------- */
.contact-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.contact-cell{ background:var(--paper); padding:30px 32px; }
.contact-cell .k{ font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--slate-soft); }
.contact-cell .v{ margin-top:10px; font-size:16px; color:var(--ink); line-height:1.5; }

/* ---------------- Footer ---------------- */
.site-footer{
  background:var(--ink);
  color:#B9C0D2;
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid #26314D;
}
.footer-brand{ font-family:var(--serif); font-size:20px; color:var(--white); margin-bottom:14px; }
.footer-col h4{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:#6E7A98;
  margin-bottom:16px;
  font-weight:500;
}
.footer-col li{ margin-bottom:11px; font-size:14px; }
.footer-col a{ color:#B9C0D2; transition:color .18s ease; }
.footer-col a:hover{ color:var(--white); }
.footer-legal{
  padding-top:28px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  font-family:var(--mono);
  font-size:11.5px;
  color:#6E7A98;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 880px){
  .wrap, .nav{ padding-left:24px; padding-right:24px; }
  .nav-links{
    position:fixed; top:78px; left:0; right:0; bottom:0;
    background:var(--paper);
    flex-direction:column;
    align-items:flex-start;
    padding:32px 24px;
    gap:24px;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:block; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-meta{ flex-wrap:wrap; row-gap:20px; }
  .grid-3, .grid-2{ grid-template-columns:1fr; }
  .contact-strip{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .form-grid{ grid-template-columns:1fr; }
  .p-row{ grid-template-columns:40px 1fr; }
  .p-status{ grid-column:1 / -1; justify-self:start; margin-top:6px; }
  section{ padding:64px 0; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; scroll-behavior:auto !important; }
}