/* ============================================================
   Diversified System Sales & Services — Corporate Website
   Shared stylesheet
   ============================================================ */

:root {
  --navy: #1C3D5A;
  --navy-deep: #162F47;
  --teal: #14919B;
  --cyan: #46C0CB;
  --amber: #F2A13B;
  --amber-deep: #E08A1E;
  --ink: #12263A;
  --muted: #5A6B7B;
  --line: #E3E9EF;
  --bg: #F4F7FA;
  --paper: #FFFFFF;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(18, 38, 58, .06);
  --shadow: 0 10px 30px rgba(18, 38, 58, .08);
  --shadow-lg: 0 24px 60px rgba(18, 38, 58, .16);
  --font-head: 'Montserrat', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --maxw: 1160px;
  --header-h: 72px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--amber-deep); }
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 800; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul { padding-left: 1.25rem; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 2px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--alt { background: var(--bg); }
.section--navy { background: linear-gradient(135deg, var(--navy-deep), var(--navy)); color: #fff; }
.section--navy h2, .section--navy h3 { color: #fff; }
.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head--left { text-align: left; margin-left: 0; }
.section-head p { color: var(--muted); font-size: 1.05rem; }
.section--navy .section-head p { color: #AFC6D9; }
.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}
.section--navy .eyebrow { color: var(--cyan); }
.lead { font-size: 1.15rem; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .2px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-deep); color: #fff; box-shadow: var(--shadow); }
.btn--teal { background: var(--teal); color: #fff; }
.btn--teal:hover { background: #0f7a82; color: #fff; box-shadow: var(--shadow); }
.btn--amber { background: var(--amber); color: #3a2500; }
.btn--amber:hover { background: var(--amber-deep); color: #fff; box-shadow: var(--shadow); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; border-color: #fff; }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--outline:hover { border-color: var(--teal); color: var(--teal); }
.btn--lg { padding: 16px 34px; font-size: 1.05rem; }
.btn--sm { padding: 9px 18px; font-size: .85rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
  transition: box-shadow .2s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow); }
.topbar { background: var(--navy-deep); color: #AFC6D9; font-size: .82rem; }
.topbar-inner { display: flex; align-items: center; gap: 22px; min-height: 34px; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; }
.topbar-item svg { width: 14px; height: 14px; color: var(--cyan); }
.topbar-spacer { margin-left: auto; color: #7A9CB8; }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 48px; width: auto; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  font-family: var(--font-head);
  font-size: .92rem;
  font-weight: 600;
  color: #C9D8E6;
  padding: 9px 13px;
  border-radius: 8px;
  position: relative;
  transition: color .15s ease, background .15s ease;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-link.active { color: #fff; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 3px;
  height: 3px;
  border-radius: 3px;
  background: var(--amber);
}
.nav-cta { margin-left: 10px; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%, rgba(70,192,203,.20), transparent 42%),
    radial-gradient(circle at 8% 92%, rgba(20,145,155,.22), transparent 46%),
    linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 55%, #1c4a5e 100%);
  padding: 104px 0 96px;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
.hero .eyebrow { color: var(--cyan); }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero h1 .accent { color: var(--amber); }
.hero p.lead { color: #C9D8E6; font-size: 1.18rem; max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-panel {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(4px);
}
.hero-panel h3 { color: #fff; font-size: 1.05rem; margin-bottom: 18px; }
.hero-badge-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.hero-badge-list li { display: flex; align-items: center; gap: 12px; color: #D7E3EE; font-size: .95rem; }
.hero-badge-list .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); flex-shrink: 0; }

/* ---------- Stat band ---------- */
.stat-band { background: var(--amber); }
.stat-band-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px 0; }
.stat .num { font-family: var(--font-head); font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; color: var(--navy-deep); line-height: 1; }
.stat .lbl { font-size: .88rem; font-weight: 600; color: #5c3d08; margin-top: 6px; letter-spacing: .3px; }

/* ---------- Cards / grid ---------- */
.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); }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card .icon {
  width: 54px; height: 54px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--teal), var(--cyan));
  color: #fff;
  margin-bottom: 18px;
}
.card .icon--amber { background: linear-gradient(135deg, var(--amber), var(--amber-deep)); color: #3a2500; }
.card .icon--navy { background: linear-gradient(135deg, var(--navy), var(--teal)); }
.card .icon svg { width: 26px; height: 26px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .96rem; margin-bottom: 0; }
.card .link-arrow { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-head); font-weight: 700; font-size: .9rem; color: var(--teal); margin-top: 16px; }
.card .link-arrow:hover { color: var(--amber-deep); }

.tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(20,145,155,.12);
  color: var(--teal);
}
.tag--amber { background: rgba(242,161,59,.18); color: #b06a0c; }
.tag--navy { background: rgba(28,61,90,.1); color: var(--navy); }

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(135deg, var(--navy), var(--teal));
  min-height: 320px;
  display: grid;
  place-items: center;
  color: #fff;
  padding: 32px;
}
.split-media .brand img { width: 260px; }

/* ---------- Checklist ---------- */
.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); }
.checklist li svg { width: 20px; height: 20px; color: var(--teal); flex-shrink: 0; margin-top: 3px; }
.checklist li strong { color: var(--navy); }

/* ---------- Clients logo grid ---------- */
.client-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.client-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 132px;
  padding: 22px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.client-tile:hover { border-color: var(--teal); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.client-tile-logo { display: flex; align-items: center; justify-content: center; height: 56px; width: 100%; }
.client-tile-logo img { max-height: 56px; max-width: 100%; object-fit: contain; }
.client-tile-name { font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--navy); letter-spacing: .2px; }
@media (max-width: 640px) { .client-grid { grid-template-columns: repeat(2, 1fr); } }
.client-card { display: flex; flex-direction: column; height: 100%; }
.client-card .org { font-family: var(--font-head); font-size: 1.15rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.client-card .org-sub { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }
.client-card .sys-list { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.client-card .sys-list li { font-size: .9rem; color: var(--ink); padding-left: 18px; position: relative; }
.client-card .sys-list li::before { content: ''; position: absolute; left: 0; top: 8px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }

/* ---------- Project cards ---------- */
.project-card { border-left: 4px solid var(--teal); }
.project-card--amber { border-left-color: var(--amber); }
.project-card--navy { border-left-color: var(--navy); }
.project-card .client { font-size: .78rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--teal); margin-bottom: 6px; }
.project-card h3 { font-size: 1.1rem; }
.project-card p { font-size: .93rem; }
.project-group-head { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin: 44px 0 20px; }
.project-group-head:first-of-type { margin-top: 0; }
.project-group-head .mark { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, var(--navy), var(--teal)); color: #fff; display: grid; place-items: center; font-family: var(--font-head); font-weight: 800; font-size: 1rem; }
.project-group-head h3 { margin: 0; }

/* Client logo boxes */
.logo-box { display: flex; align-items: center; justify-content: center; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 10px 16px; overflow: hidden; }
.logo-box img { max-width: 100%; max-height: 100%; object-fit: contain; }
.client-card .logo-box { width: 100%; height: 84px; margin-bottom: 18px; }
.project-group-head .logo-box { height: 60px; min-width: 140px; max-width: 300px; padding: 8px 16px; }
.project-group-head .logo-row { display: flex; flex-wrap: wrap; gap: 12px; }
.project-group-head .logo-row .logo-box { min-width: 120px; max-width: 200px; height: 52px; }

/* ---------- Tables (company details) ---------- */
.detail-table { width: 100%; border-collapse: collapse; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.detail-table th, .detail-table td { text-align: left; padding: 15px 20px; border-bottom: 1px solid var(--line); vertical-align: top; }
.detail-table tr:last-child th, .detail-table tr:last-child td { border-bottom: 0; }
.detail-table th { width: 34%; background: var(--bg); font-family: var(--font-head); font-size: .9rem; font-weight: 700; color: var(--navy); }
.detail-table td { color: var(--ink); font-size: .95rem; }

/* ---------- Leadership ---------- */
.person-card { text-align: center; }
.person-card .avatar {
  width: 96px; height: 96px;
  border-radius: 50%;
  margin: 0 auto 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy), var(--teal));
  color: #fff;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.7rem;
}
.person-card h3 { margin-bottom: 4px; }
.person-card .role { color: var(--teal); font-weight: 600; font-size: .92rem; margin-bottom: 8px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item .icon {
  width: 46px; height: 46px; border-radius: 12px; flex-shrink: 0;
  background: rgba(20,145,155,.12); color: var(--teal);
  display: grid; place-items: center;
}
.contact-item .icon svg { width: 22px; height: 22px; }
.contact-item h4 { margin: 0 0 3px; }
.contact-item p, .contact-item a { margin: 0; color: var(--muted); font-size: .96rem; }
.contact-item a:hover { color: var(--teal); }

.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-family: var(--font-head); font-size: .88rem; font-weight: 600; color: var(--navy); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: .98rem;
  color: var(--ink);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(20,145,155,.15); }
.field textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 8px; }
.form-note strong { color: var(--teal); }

.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { color: #fff; margin-bottom: 12px; }
.cta-band p { color: #C9D8E6; max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: #AFC6D9; font-size: .94rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; padding: 64px 24px 44px; }
.site-footer h4 { color: #fff; font-size: .85rem; letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 18px; }
.footer-brand img { height: 44px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: .92rem; line-height: 1.7; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #AFC6D9; }
.footer-links a:hover { color: var(--cyan); }
.footer-contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; color: var(--cyan); flex-shrink: 0; margin-top: 3px; }
.footer-contact a { color: #AFC6D9; }
.footer-contact a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 20px 0; font-size: .84rem; color: #7A9CB8; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; align-items: center; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(70,192,203,.18), transparent 45%),
    linear-gradient(135deg, var(--navy-deep), var(--navy));
  padding: 72px 0;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.page-hero p { color: #C9D8E6; font-size: 1.1rem; max-width: 640px; margin: 0; }
.breadcrumb { font-size: .85rem; color: #AFC6D9; margin-bottom: 14px; }
.breadcrumb a { color: var(--cyan); }
.breadcrumb a:hover { color: #fff; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--navy);
    padding: 12px 24px 22px;
    gap: 2px;
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: transform .22s ease, opacity .22s ease, visibility .22s;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { padding: 13px 14px; font-size: 1rem; }
  .nav-link.active::after { left: 14px; right: auto; width: 26px; top: 50%; bottom: auto; height: 3px; transform: translateY(-50%); border-radius: 3px; }
  .nav-cta { margin: 12px 0 0; }
  .nav-toggle { display: flex; }
  .topbar-spacer { display: none; }
  .section { padding: 64px 0; }
}

@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .stat-band-inner { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .topbar-inner { justify-content: center; }
  .topbar-item.hide-sm { display: none; }
  .hero { padding: 72px 0; }
  .detail-table th { width: 44%; }
  .btn--lg { padding: 14px 26px; font-size: .98rem; }
}