/* ==========================================================================
   SentriCore: Core Stylesheet
   Brand: Blue #1a6fad / Orange #e84d1c / Barlow (display) / Inter (body)
   ========================================================================== */

:root{
  --blue: #1a6fad;
  --blue-dark: #124f80;
  --blue-deep: #0b2d47;
  --orange: #e84d1c;
  --orange-dark: #c33e13;
  --ink: #101820;
  --slate: #4a5766;
  --slate-light: #6b7684;
  --line: #e2e7ec;
  --paper: #ffffff;
  --mist: #f4f7fa;
  --mist-deep: #eef2f6;
  --focus: #ffb703;

  --font-display: 'Barlow', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(11,45,71,.06), 0 1px 1px rgba(11,45,71,.04);
  --shadow-md: 0 8px 24px rgba(11,45,71,.10);
  --shadow-lg: 0 20px 48px rgba(11,45,71,.16);
  --maxw: 1240px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: var(--blue); text-decoration:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--blue-deep);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2{ font-size: clamp(1.7rem, 2.6vw, 2.3rem); }
h3{ font-size: 1.3rem; }
p{ margin: 0 0 1em; color: var(--slate); }
ul{ margin:0; padding:0; }
.container{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section{ padding: 88px 0; }
.section--tight{ padding: 56px 0; }
.section--mist{ background: var(--mist); }
.section--deep{ background: var(--blue-deep); color: #cfe1ef; }
.section--deep h2, .section--deep h3{ color:#fff; }
.section--deep p{ color:#a9c2d6; }

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

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-display); font-weight:700; font-size:.78rem;
  letter-spacing:.14em; text-transform:uppercase; color: var(--orange);
  margin-bottom: 14px;
}
.eyebrow::before{ content:""; width:22px; height:2px; background: var(--orange); display:inline-block; }

.lede{ font-size: 1.15rem; max-width: 62ch; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-display); font-weight:600; font-size: .98rem;
  padding: 13px 26px; border-radius: var(--radius); border: 2px solid transparent;
  cursor:pointer; transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn-primary{ background: var(--orange); color:#fff; }
.btn-primary:hover{ background: var(--orange-dark); transform: translateY(-1px); }
.btn-secondary{ background: transparent; border-color: rgba(255,255,255,.55); color:#fff; }
.btn-secondary:hover{ border-color:#fff; background: rgba(255,255,255,.08); }
.btn-outline{ background: transparent; border-color: var(--blue); color: var(--blue); }
.btn-outline:hover{ background: var(--blue); color:#fff; }
.btn-block{ width:100%; }

/* Header / Nav */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding: 12px 24px; max-width: var(--maxw); margin:0 auto; }
.nav-logo img{ height: 40px; width: auto; }
.nav-links{ display:flex; align-items:center; gap: 4px; list-style:none; }
.nav-links > li{ position:relative; }
.nav-links > li > a{
  display:block; padding: 12px 14px; font-weight:600; font-size:.95rem; color: var(--ink);
  border-radius: var(--radius);
}
.nav-links > li > a:hover, .nav-links > li.active > a{ color: var(--blue); }
.has-dropdown > a::after{ content:"▾"; font-size:.65em; margin-left:6px; color: var(--slate-light); }
.dropdown{
  position:absolute; top: 100%; left:0; min-width: 260px;
  background:#fff; border:1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-md); padding: 8px; opacity:0; visibility:hidden;
  transform: translateY(6px); transition: all .15s ease; list-style:none;
}
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown a{ display:block; padding: 10px 12px; border-radius: var(--radius); font-size:.92rem; color: var(--ink); font-weight:500; }
.dropdown a:hover{ background: var(--mist); color: var(--blue); }
.nav-cta{ display:flex; align-items:center; gap:10px; }
.nav-toggle{ display:none; }

@media (max-width: 960px){
  .nav-links{ position:fixed; inset: 64px 0 0 0; background:#fff; flex-direction:column; align-items:stretch;
    padding: 12px; overflow-y:auto; transform: translateX(100%); transition: transform .2s ease; gap:0; }
  .nav-links.open{ transform: translateX(0); }
  .dropdown{ position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:none; display:none; margin-left: 10px; }
  .has-dropdown.open .dropdown{ display:block; }
  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; width:40px; height:40px; border:1px solid var(--line); border-radius: var(--radius); background:#fff; cursor:pointer; }
  .nav-cta .btn-secondary{ display:none; }
}

/* Hero */
.hero{
  position:relative; background: var(--blue-deep);
  color:#fff; overflow:hidden; border-bottom: 3px solid var(--orange);
}
.hero-inner{ position:relative; z-index:1; padding: 96px 24px 84px; max-width: var(--maxw); margin:0 auto; display:grid; grid-template-columns: 1.1fr .9fr; gap:48px; align-items:center; }
.hero h1{ color:#fff; }
.hero .lede{ color:#c7dbea; }
.hero-actions{ display:flex; gap:14px; margin-top: 30px; flex-wrap:wrap; }
.hero-panel{
  background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16); border-radius: 8px;
  padding: 28px; backdrop-filter: blur(4px);
}
.hero-panel h3{ color:#fff; font-size:1.05rem; margin-bottom: 16px; }
.hero-stat-list{ list-style:none; display:flex; flex-direction:column; gap:14px; }
.hero-stat-list li{ display:flex; justify-content:space-between; gap:16px; border-bottom:1px solid rgba(255,255,255,.12); padding-bottom:14px; font-size:.94rem; color:#cfe1ef; }
.hero-stat-list li:last-child{ border-bottom:none; padding-bottom:0; }
.hero-stat-list strong{ color:#fff; font-family: var(--font-display); }
@media (max-width: 860px){ .hero-inner{ grid-template-columns: 1fr; padding-top: 84px; } }

/* Page header (interior pages) */
.page-hero{ background: var(--blue-deep); color:#fff; padding: 64px 0 52px; border-bottom: 3px solid var(--orange); }
.page-hero h1{ color:#fff; margin-bottom: 10px; }
.breadcrumb{ font-size:.85rem; color:#9fbdd4; margin-bottom: 18px; }
.breadcrumb a{ color:#cfe1ef; }
.breadcrumb a:hover{ color:#fff; }

/* Grids & cards */
.grid{ display:grid; gap: 26px; }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px){ .grid-3, .grid-4{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; } }

.card{
  background:#fff; border:1px solid var(--line); border-radius: 4px; padding: 30px;
  box-shadow: var(--shadow-sm); transition: box-shadow .15s ease, border-color .15s ease;
  height:100%; display:flex; flex-direction:column;
}
.card:hover{ box-shadow: var(--shadow-md); border-color: rgba(26,111,173,.3); }
.card h3{ margin-bottom: 10px; font-size: 1.15rem; }
.card p{ margin-bottom: 16px; }
.card .card-link{ margin-top:auto; font-weight:600; font-size:.92rem; display:inline-flex; align-items:center; gap:6px; }
.card .card-link::after{ content:"→"; transition: transform .15s ease; }
.card:hover .card-link::after{ transform: translateX(3px); }

.tag{ display:inline-block; font-size:.72rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; padding: 4px 10px; border-radius: 100px; background: var(--mist-deep); color: var(--blue); margin-bottom: 12px; }
.tag--orange{ color: var(--orange); background: rgba(232,77,28,.09); }
.tag--restricted{ color:#8a5a00; background:#fff4dd; }

/* Checklist */
.checklist{ list-style:none; display:flex; flex-direction:column; gap: 13px; }
.checklist li{ display:flex; gap:12px; align-items:baseline; color: var(--slate); }
.checklist li .dot{ flex:none; width:7px; height:7px; border-radius:1px; background: var(--orange); position:relative; top:-2px; }

/* Split section */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items:center; }
@media (max-width: 860px){ .split{ grid-template-columns: 1fr; gap:32px; } }

/* Technology Expertise */
.tech-grid{ margin-top: 8px; }
.tech-card{
  background: rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.14); border-radius: 4px;
  padding: 26px 28px;
}
.tech-card h3{ color:#fff; font-size: 1.05rem; margin-bottom: 12px; }
.tech-list{ list-style:none; display:flex; flex-direction:column; gap: 9px; }
.tech-list li{ font-size:.92rem; color:#b9cfe1; padding-left: 14px; position:relative; }
.tech-list li::before{ content:""; position:absolute; left:0; top:.6em; width:6px; height:2px; background: var(--orange); }

/* Stats strip */
.stats-strip{ display:grid; grid-template-columns: repeat(4,1fr); gap: 24px; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding: 40px 0; }
.stats-strip div{ text-align:center; }
.stats-strip strong{ display:block; font-family: var(--font-display); font-size: 2.1rem; color: var(--blue-deep); }
.stats-strip span{ font-size:.85rem; color: var(--slate-light); }
@media (max-width: 760px){ .stats-strip{ grid-template-columns: repeat(2,1fr); } }

/* Table */
.data-table{ width:100%; border-collapse: collapse; margin: 20px 0; font-size:.94rem; }
.data-table th, .data-table td{ text-align:left; padding: 12px 16px; border-bottom:1px solid var(--line); }
.data-table th{ font-family: var(--font-display); color: var(--blue-deep); background: var(--mist); }

/* Unified IT/OT/IoT capability diagram */
.cra-diagram{
  max-width: 460px; margin: 8px auto 0; padding: 40px 32px;
  border: 1px solid var(--line); border-radius: 6px; background: var(--mist);
  display:flex; flex-direction:column; align-items:center; text-align:center;
}
.cra-diagram__label{ font-family: var(--font-display); font-weight:700; font-size:.95rem; color: var(--blue-deep); margin-bottom: 20px; letter-spacing:.02em; }
.cra-diagram__row{ display:flex; gap: 14px; margin-bottom: 6px; }
.cra-diagram__node{
  width: 76px; padding: 12px 6px; border: 1px solid var(--blue); border-radius: 4px;
  font-family: var(--font-display); font-weight:700; font-size:.9rem; color: var(--blue-deep); background:#fff;
}
.cra-diagram__arrow{ color: var(--slate-light); font-size: 1.05rem; line-height:1; margin: 6px 0; }
.cra-diagram__stage{
  width: 100%; padding: 12px 16px; border: 1px solid var(--line); border-radius: 4px;
  font-family: var(--font-display); font-weight:600; font-size:.94rem; color: var(--blue-deep); background:#fff;
}
.cra-diagram__stage--final{ border-color: var(--orange); color: var(--orange-dark); }

/* Illustrative CRA reporting tiles */
.cra-report{ margin-top: 40px; }
.cra-report__tile{
  border: 1px dashed var(--line); border-radius: 4px; background:#fff;
  padding: 22px 14px; text-align:center; font-family: var(--font-display);
  font-weight:600; font-size:.88rem; color: var(--blue-deep);
}

/* Timeline / roadmap */
.roadmap{ list-style:none; display:flex; flex-direction:column; gap:0; border-left:2px solid var(--line); margin-left:8px; }
.roadmap li{ position:relative; padding: 4px 0 34px 30px; }
.roadmap li::before{ content:""; position:absolute; left:-7px; top:6px; width:12px; height:12px; border-radius:50%; background: var(--orange); border:2px solid #fff; box-shadow:0 0 0 2px var(--orange); }
.roadmap li h4{ font-family: var(--font-display); color: var(--blue-deep); margin-bottom:4px; font-size:1rem; }

/* CTA band */
.cta-band{ background: var(--blue-deep); color:#fff; padding: 60px 0; text-align:center; }
.cta-band h2{ color:#fff; }
.cta-band p{ color:#cfe1ef; max-width: 56ch; margin: 0 auto 28px; }
.cta-band .hero-actions{ justify-content:center; }

/* Forms */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full{ grid-column: 1 / -1; }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } }
label{ display:block; font-weight:600; font-size:.88rem; margin-bottom: 6px; color: var(--blue-deep); }
input, select, textarea{
  width:100%; padding: 12px 14px; border:1px solid var(--line); border-radius: var(--radius);
  font-family: var(--font-body); font-size: .96rem; background:#fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus{ border-color: var(--blue); outline: 3px solid rgba(26,111,173,.18); }
input.is-invalid, select.is-invalid, textarea.is-invalid{ border-color:#b91c1c; outline: 3px solid rgba(185,28,28,.12); }
label span[aria-hidden="true"]{ color: var(--orange); }
.form-note{ font-size: .82rem; color: var(--slate-light); margin-top: 10px; }

/* Honeypot spam-trap field: hidden from sighted users, still present in the
   DOM (unlike display:none) so basic bots that auto-fill every field get
   caught. Screen reader users are covered by aria-hidden on the wrapper. */
.hp-field{ position:absolute; left:-9999px; top:-9999px; width:1px; height:1px; overflow:hidden; }

/* Contact info list */
.contact-info{ list-style:none; display:flex; flex-direction:column; gap: 22px; }
.contact-info li{ display:flex; gap:14px; align-items:flex-start; }
.contact-info .label{ font-family: var(--font-display); font-weight:700; color: var(--blue-deep); display:block; font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; margin-bottom:2px; }

/* Footer */
.site-footer{ background: var(--blue-deep); color:#a9c2d6; padding: 64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h4{ color:#fff; font-size: .92rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom: 18px; }
.footer-grid ul{ list-style:none; display:flex; flex-direction:column; gap: 10px; }
.footer-grid a{ color:#a9c2d6; font-size:.92rem; }
.footer-grid a:hover{ color:#fff; }
.footer-logo img{ height:38px; width:auto; margin-bottom: 16px; }
.footer-desc{ font-size:.9rem; max-width: 34ch; color:#8fabc2; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top: 46px; padding-top: 24px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:.82rem; color:#7f9ab3; }
.footer-bottom a{ color:#7f9ab3; }
@media (max-width: 860px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }

/* Scroll reveal */
[data-reveal]{ opacity:0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
[data-reveal].is-visible{ opacity:1; transform:none; }

/* Utility */
.center{ text-align:center; }
.mt-0{ margin-top:0; }
.section-head{ max-width: 720px; margin: 0 auto 48px; text-align:center; }
.section-head.left{ margin: 0 0 48px; text-align:left; }
.divider{ height:1px; background: var(--line); margin: 64px 0; border:none; }
.skip-link{ position:absolute; left:-999px; top:auto; background:#fff; padding:12px 18px; z-index:200; }
.skip-link:focus{ left: 16px; top: 16px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}