/* ============================================================
   Ventura Grid Systems Ltd — ventura-grid.com
   Brand: Navy #1A3A5C · Yellow #F5C518 · Blue #2E6DB4 · Grey #767676
   ============================================================ */

:root{
  --navy:#1A3A5C;
  --navy-deep:#10273D;
  --navy-tint:#EDF2F7;
  --yellow:#F5C518;
  --blue:#2E6DB4;
  --grey:#767676;
  --line:#D9E2EC;
  --bg:#FFFFFF;
  --bg-alt:#F5F7FA;
  --white:#FFFFFF;

  --font-sans:"Inter","Arial","Helvetica Neue",Helvetica,sans-serif;
  --font-mono:ui-monospace,"SF Mono","Cascadia Mono","Consolas",monospace;

  --maxw:1160px;
  --radius:6px;
  --shadow:0 1px 2px rgba(16,39,61,.06),0 8px 24px rgba(16,39,61,.08);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

body{
  font-family:var(--font-sans);
  color:#33414F;
  background:var(--bg);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:var(--blue)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--yellow);outline-offset:2px;border-radius:2px;
}

h1,h2,h3,h4{color:var(--navy);line-height:1.15;letter-spacing:-0.015em;font-weight:800}
h1{font-size:clamp(2rem,4.5vw,3.25rem)}
h2{font-size:clamp(1.5rem,3vw,2.125rem)}
h3{font-size:1.25rem}
h4{font-size:1.05rem}
p{color:#4A5866}
.muted{color:var(--grey)}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section--alt{background:var(--bg-alt)}
.section--navy{background:var(--navy);color:#E8EEF5}
.section--navy h2,.section--navy h3{color:var(--white)}
.section--navy p{color:#C6D4E2}

/* Engineering grid-paper texture for navy surfaces */
.gridpaper{
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:32px 32px;
}

/* Eyebrow label — engineering drawing register */
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue);
  display:inline-flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--yellow)}
.section--navy .eyebrow{color:#9FC1E4}

.lead{font-size:1.125rem;max-width:62ch}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;max-width:var(--maxw);margin:0 auto;padding:0 24px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:0}
.brand img{height:52px;width:auto} /* logo-slot.png renders here; scale to header height only */
.wordmark{
  font-weight:800;color:var(--navy);letter-spacing:.06em;font-size:1rem;white-space:nowrap;
}
.wordmark span{color:var(--blue)}
.brand.has-logo .wordmark{display:none}

.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{
  text-decoration:none;color:#3D4E5F;font-weight:500;font-size:.95rem;
  padding:6px 0;border-bottom:2px solid transparent;
}
.nav-links a:hover{color:var(--navy)}
.nav-links a[aria-current="page"]{color:var(--navy);border-bottom-color:var(--yellow)}
.nav-links .btn{display:none}

.btn{
  display:inline-block;text-decoration:none;font-weight:700;font-size:.95rem;
  padding:12px 22px;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;font-family:var(--font-sans);
}
.btn--primary{background:var(--yellow);color:var(--navy)}
.btn--primary:hover{background:#E3B505}
.btn--ghost{border-color:var(--navy);color:var(--navy);background:transparent}
.btn--ghost:hover{background:var(--navy-tint)}
.section--navy .btn--ghost{border-color:#7FA6CC;color:#E8EEF5}
.section--navy .btn--ghost:hover{background:rgba(255,255,255,.08)}

.nav-toggle{
  display:none;background:none;border:0;cursor:pointer;padding:10px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:transform .2s}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(160deg,var(--navy-deep) 0%,var(--navy) 65%,#215079 100%);
  color:#E8EEF5;
  padding:88px 0 0;
  overflow:hidden;
}
.hero h1{color:var(--white);max-width:17ch}
.hero .lead{color:#C6D4E2;margin:20px 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}
.hero-inner{position:relative;z-index:1}

/* Single-line diagram strip — the site's signature motif */
.oneline{width:100%;display:block}
.oneline text{font-family:var(--font-mono);font-size:9px;letter-spacing:.12em;fill:#8FB1D4}
.oneline .wire{stroke:#4E749A;stroke-width:1.5;fill:none}
.oneline .wire--live{stroke:var(--yellow);stroke-width:1.5;fill:none}
.oneline .node{fill:none;stroke:#8FB1D4;stroke-width:1.5}
.oneline .node--accent{stroke:var(--yellow)}

/* ---------- Pillar bar ---------- */
.pillar-bar{
  background:var(--navy-deep);
  border-top:1px solid rgba(255,255,255,.08);
}
.pillar-bar .container{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
}
.pillar{
  padding:26px 28px;border-left:1px solid rgba(255,255,255,.08);
}
.pillar:first-child{border-left:0}
.pillar b{
  display:block;color:var(--yellow);font-family:var(--font-mono);
  font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:6px;
}
.pillar p{font-size:.9rem;color:#A9BDD1;margin:0}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.card h3{margin:14px 0 8px}
.card > p{font-size:.95rem}
.card-icon{
  width:44px;height:44px;border-radius:var(--radius);
  background:var(--navy-tint);display:flex;align-items:center;justify-content:center;
}
.card-icon svg{width:24px;height:24px;stroke:var(--navy)}
.card ul{list-style:none;margin:14px 0 0}
.card li{
  padding:9px 0;border-top:1px solid var(--line);font-size:.93rem;color:#3D4E5F;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.card details{margin-top:auto;padding-top:12px}
.card summary{
  cursor:pointer;font-weight:700;color:var(--blue);font-size:.92rem;list-style:none;
  display:inline-flex;align-items:center;gap:6px;
}
.card summary::-webkit-details-marker{display:none}
.card summary::after{content:"→";transition:transform .15s}
.card details[open] summary::after{transform:rotate(90deg)}

/* ---------- Badges ---------- */
.badge{
  display:inline-block;font-family:var(--font-mono);font-size:.62rem;
  letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  padding:3px 9px;border-radius:100px;white-space:nowrap;
}
.badge--now{background:var(--yellow);color:var(--navy)}
.badge--dev{background:transparent;border:1px solid var(--blue);color:var(--blue)}
.section--navy .badge--dev{border-color:#7FA6CC;color:#B9D2EA}

/* ---------- Image placeholder slots ----------
   Drop the real photo into /images with the exact filename shown on the slot.
   The <img> covers the placeholder automatically — no layout change needed. */
.img-slot{
  position:relative;background:var(--navy);border-radius:var(--radius);overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.img-slot::before{
  content:"";position:absolute;width:56px;height:56px;
  border:2px solid rgba(245,197,24,.55);border-radius:8px;
  background:
    linear-gradient(rgba(245,197,24,.55),rgba(245,197,24,.55)) center/26px 2px no-repeat,
    linear-gradient(rgba(245,197,24,.55),rgba(245,197,24,.55)) center/2px 26px no-repeat;
}
.img-slot::after{
  content:attr(data-file);
  position:absolute;bottom:12px;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;color:#8FB1D4;
}
.img-slot img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;
}
.ratio-16x9{aspect-ratio:16/9}
.ratio-4x3{aspect-ratio:4/3}
.ratio-21x9{aspect-ratio:21/9}

/* ---------- Consultancy band ---------- */
.consultancy{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  padding:40px;background:rgba(255,255,255,.03);
}
.consultancy-grid{display:grid;grid-template-columns:1.1fr 1.4fr;gap:48px;align-items:start}
.spec-list{list-style:none;columns:1;margin-top:8px}
.spec-list li{
  padding:11px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:.95rem;color:#D6E1EC;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* ---------- Case study ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.case-facts{list-style:none;margin-top:20px;border-top:2px solid var(--navy)}
.case-facts li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:16px}
.case-facts b{color:var(--navy);min-width:150px;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;padding-top:3px}
.case-facts span{color:#4A5866;font-size:.95rem}

.stage{border-left:2px solid var(--line);padding-left:28px;position:relative;margin-top:28px}
.stage + .stage{margin-top:36px}
.stage::before{
  content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--yellow);border:2px solid var(--navy);
}
.stage h3{margin-bottom:8px}

/* ---------- Trust strip ---------- */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.trust div{border-top:3px solid var(--yellow);padding-top:16px}
.trust b{color:var(--navy);display:block;margin-bottom:4px}
.trust p{font-size:.92rem}

/* ---------- CTA banner ---------- */
.cta-banner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-banner h2{max-width:22ch}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:start}
.form-row{margin-bottom:18px}
label{display:block;font-weight:600;color:var(--navy);font-size:.9rem;margin-bottom:6px}
input,textarea,select{
  width:100%;padding:12px 14px;border:1px solid #B9C6D2;border-radius:var(--radius);
  font-family:var(--font-sans);font-size:.95rem;color:#33414F;background:var(--white);
}
textarea{min-height:140px;resize:vertical}
.contact-card{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.contact-card ul{list-style:none;margin-top:12px}
.contact-card li{padding:10px 0;border-top:1px solid var(--line);font-size:.95rem}
.contact-card a{font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:#A9BDD1;padding:56px 0 32px;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.site-footer h4{color:var(--white);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px;font-family:var(--font-mono);font-weight:600}
.site-footer ul{list-style:none}
.site-footer li{padding:5px 0}
.site-footer a{color:#C6D4E2;text-decoration:none}
.site-footer a:hover{color:var(--yellow)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#7A93AB}
.footer-brand .wordmark{color:var(--white)}
.footer-brand img{height:40px;margin-bottom:12px}

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  background:linear-gradient(160deg,var(--navy-deep),var(--navy));
  color:#E8EEF5;padding:64px 0;
}
.page-hero h1{color:var(--white)}
.page-hero p{color:#C6D4E2;max-width:62ch;margin-top:14px}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .case-grid,.contact-grid,.consultancy-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .section{padding:52px 0}
  .grid--2,.grid--3{grid-template-columns:1fr}
  .pillar-bar .container{grid-template-columns:1fr}
  .pillar{border-left:0;border-top:1px solid rgba(255,255,255,.08)}
  .trust{grid-template-columns:1fr}
  .nav-links{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:var(--white);flex-direction:column;align-items:flex-start;
    padding:16px 24px 24px;gap:4px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:12px 0}
  .nav-toggle{display:block}
  .nav .btn{display:none}
  .nav-links .btn{display:inline-block;margin-top:10px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer a{overflow-wrap:anywhere}
}