/* Citadel Redevelopment Group — design system (public site + Command portal)
   Palette from the company logo: navy #14294B, gold #B8944E. */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --navy: #14294B; --navy-deep: #0D1B33; --navy-2: #1F3A66; --steel: #2E4A6B;
  --gold: #B8944E; --gold-light: #D4B36E; --gold-deep: #8F6F33;
  --stage: #F4F6F9; --paper: #FFFFFF; --line: #D9E0EA; --ink: #14202F; --muted: #6B7A8F;
  --ok: #2E8B57; --ok-bg: #E6F4EC; --warn: #8F6F33; --warn-bg: #F7F1E3; --bad: #C0392B; --bad-bg: #FBE9E7;
  --info: #2E4A6B; --info-bg: #E8EFF8;
  --radius: 14px; --radius-sm: 8px; --shadow: 0 10px 30px rgba(20,41,75,.10);
  --font: 'IBM Plex Sans', -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', Menlo, monospace;
  --container: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--stage); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold-deep); }
h1, h2, h3, h4 { color: var(--navy); letter-spacing: -.01em; line-height: 1.15; margin: 0 0 .5rem; }
h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.kicker { color: var(--gold); font-size: .72rem; letter-spacing: .3em; font-weight: 600; text-transform: uppercase; margin-bottom: .6rem; }
.lead { font-size: 1.15rem; color: var(--steel); max-width: 46rem; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1.2rem; border-radius: 10px; font-weight: 600; font-size: .95rem; border: 1.5px solid transparent; cursor: pointer; transition: all .15s; font-family: var(--font); line-height: 1; }
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.btn-gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--navy); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; }
.btn-outline.on-dark { color: #fff; border-color: rgba(255,255,255,.55); }
.btn-outline.on-dark:hover { background: #fff; color: var(--navy); border-color: #fff; }
.btn-ghost { background: transparent; color: var(--steel); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); }
.btn-sm { padding: .45rem .8rem; font-size: .82rem; border-radius: 8px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- public header / nav ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(20,41,75,.96); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.08); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .7rem; color: #fff; }
.brand img, .brand svg { height: 40px; width: auto; }
.brand .word { font-weight: 700; letter-spacing: .28em; font-size: 1rem; color: #fff; }
.brand .sub { display: block; font-size: .55rem; letter-spacing: .3em; color: var(--gold); font-weight: 600; margin-top: .15rem; }
.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a { color: #D6DEE9; font-weight: 500; font-size: .95rem; }
.nav a:hover, .nav a.active { color: var(--gold-light); }
.nav .btn { padding: .55rem 1rem; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; }
@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy-deep); padding: .6rem 1.25rem 1rem; display: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav.open { display: flex; }
  .nav a { padding: .75rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
  .nav .btn { margin-top: .6rem; justify-content: center; }
}

/* ---------- hero ---------- */
.hero { background: radial-gradient(900px 420px at 80% -10%, rgba(184,148,78,.28), transparent 60%), linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%); color: #fff; padding: 5.5rem 0 4.5rem; position: relative; overflow: hidden; }
.hero h1 { color: #fff; max-width: 14ch; }
.hero .lead { color: #B9C6D8; }
.hero .actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero-art { position: relative; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .hero { padding: 3.5rem 0 3rem; } }
.stat-row { display: flex; gap: 2.2rem; flex-wrap: wrap; margin-top: 2.4rem; padding-top: 1.6rem; border-top: 1px solid rgba(255,255,255,.14); }
.stat-row .stat b { display: block; font-size: 1.6rem; color: var(--gold-light); font-weight: 700; }
.stat-row .stat span { font-size: .8rem; color: #9FB0C6; letter-spacing: .08em; text-transform: uppercase; }

/* ---------- sections ---------- */
.section { padding: 4.5rem 0; }
.section.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section.dark { background: var(--navy); color: #D6DEE9; }
.section.dark h2, .section.dark h3 { color: #fff; }
.section-head { max-width: 40rem; margin-bottom: 2.2rem; }
.grid { display: grid; gap: 1.2rem; }
.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: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem 1.5rem; }
.card.lift { box-shadow: var(--shadow); }
.card .icon { width: 46px; height: 46px; border-radius: 12px; background: var(--info-bg); color: var(--navy); display: grid; place-items: center; margin-bottom: 1rem; }
.card.dark { background: var(--navy-2); border-color: rgba(255,255,255,.1); color: #D6DEE9; }
.card.dark h3 { color: #fff; }
.card h3 { margin-bottom: .4rem; }
.card p:last-child { margin-bottom: 0; }

.pill { display: inline-block; padding: .14rem .6rem; border-radius: 999px; font-size: .7rem; font-weight: 600; letter-spacing: .05em; border: 1px solid transparent; text-transform: uppercase; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); border-color: #BFE3CC; }
.pill.warn { background: var(--warn-bg); color: var(--warn); border-color: #E3D2A6; }
.pill.bad { background: var(--bad-bg); color: var(--bad); border-color: #F2C2BC; }
.pill.info { background: var(--info-bg); color: var(--info); border-color: #C7D6EA; }
.pill.gate { background: var(--navy); color: var(--gold-light); border-color: var(--navy); }

.list-check { list-style: none; padding: 0; margin: 0; }
.list-check li { padding: .35rem 0 .35rem 1.7rem; position: relative; }
.list-check li::before { content: ""; position: absolute; left: 0; top: .62rem; width: 16px; height: 16px; border-radius: 50%; background: var(--gold); mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat; }

.band { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 2.2rem 2.4rem; display: flex; justify-content: space-between; align-items: center; gap: 2rem; flex-wrap: wrap; border-left: 6px solid var(--gold); }
.band h2 { color: #fff; margin: 0; }
.band p { color: #B9C6D8; margin: .3rem 0 0; }

/* ---------- footer (the public case study line lives here) ---------- */
.site-footer { background: var(--navy-deep); color: #9FB0C6; padding: 3rem 0 1.6rem; border-top: 1px solid rgba(255,255,255,.08); font-size: .9rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (max-width: 860px) { .site-footer .cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .site-footer .cols { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: .8rem; }
.site-footer a { color: #C9D3E0; }
.site-footer a:hover { color: var(--gold-light); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .45rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.2rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; font-size: .8rem; }
.powered { display: inline-flex; align-items: center; gap: .5rem; color: #C9D3E0; }
.powered b { color: #fff; letter-spacing: .04em; }
.powered .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(184,148,78,.18); }

/* ---------- forms ---------- */
label { display: block; font-size: .82rem; font-weight: 600; color: var(--steel); margin-bottom: .35rem; }
input, select, textarea { width: 100%; font: inherit; padding: .7rem .85rem; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 4px rgba(20,41,75,.10); }
.field { margin-bottom: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }

/* ---------- utilities ---------- */
.flex { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.6rem; } .mt-4 { margin-top: 2.4rem; }
.mb-0 { margin-bottom: 0; }
.small { font-size: .85rem; }
.tiny { font-size: .72rem; }
.right { text-align: right; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.divider { height: 1px; background: var(--line); margin: 1.4rem 0; }