/* ============ FCG / Marshall design system ============
   Source: Marshall app brand tokens (docs/brand-guidelines.md in that repo).
   AA-adjusted variants are for text/buttons on light backgrounds. */
:root{
  --navy:#221C63; --navy-deep:#131040; --navy-card:#221D5C;
  --azure:#3D7BFF; --azure-ink:#2557C9; --azure-bright:#5696FF;
  --orange:#F8900D; --red:#E0533D; --red-ink:#D0442F;
  --paper:#F6F5F1; --canvas:#E9E8E2; --slate:#565377;
  --success:#1B7A55;
  --border:#CFCDDA; --border-warm:#E0DED6;
  --on-dark:#F6F5F1; --on-dark-muted:#B9B7CE; --on-dark-faint:#8A87AD;
  --radius:10px; --radius-btn:8px;
  --font-heading:'Space Grotesk',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --shadow-card:0 8px 24px rgba(34,28,99,0.10);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--navy);background:var(--canvas);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--azure-ink)}

/* Layout */
.container{max-width:1120px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--dark{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-deep) 100%);color:var(--on-dark)}
.section--paper{background:var(--paper)}

/* Type */
.h-display{font-family:var(--font-heading);font-weight:700;font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-0.01em}
.h-section{font-family:var(--font-heading);font-weight:700;font-size:clamp(28px,3.5vw,44px);line-height:1.15}
.eyebrow{font-family:var(--font-heading);font-size:12px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--azure-ink);margin-bottom:16px}
.section--dark .eyebrow{color:var(--orange)}
.lead{font-size:17px;color:var(--slate);max-width:620px}
.section--dark .lead{color:var(--on-dark-muted)}

/* Buttons */
.btn{display:inline-block;font-family:var(--font-body);font-size:14px;font-weight:600;padding:13px 26px;border-radius:var(--radius-btn);text-decoration:none;border:none;cursor:pointer;transition:transform .15s,background .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn--azure{background:var(--azure-ink);color:#fff}
.btn--azure:hover{background:#1E4AAD}
.btn--navy{background:var(--navy);color:#fff}
.btn--navy:hover{background:#2C2578}
.btn--on-dark{background:var(--azure-bright);color:var(--navy)}
.btn--on-dark:hover{background:#6BA4FF}
.btn--ghost{background:none;padding:13px 4px;color:inherit;font-weight:600}
.btn--ghost::after{content:'→';margin-left:8px;display:inline-block;transition:transform .15s}
.btn--ghost:hover::after{transform:translateX(4px)}
.section--dark .btn--ghost{color:var(--orange)}

/* Nav */
.site-nav{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--border-warm);display:flex;align-items:center;justify-content:space-between;padding:14px 5%}
.site-nav .logo img{height:56px;width:auto}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14px;font-weight:500;color:var(--slate);text-decoration:none}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--navy)}
.nav-cta{background:var(--navy);color:#fff!important;padding:10px 20px;border-radius:var(--radius-btn);font-weight:600}
.nav-cta:hover{background:#2C2578}

/* Cards */
.card{background:var(--paper);border:1px solid var(--border-warm);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-card)}
.card h3{font-family:var(--font-heading);font-size:18px;margin-bottom:10px}
.card p{font-size:14px;color:var(--slate)}
.card-grid{display:grid;gap:20px}
.card-grid--2{grid-template-columns:repeat(2,1fr)}
.card-grid--3{grid-template-columns:repeat(3,1fr)}
.card-grid--4{grid-template-columns:repeat(4,1fr)}
.section--dark .card{background:rgba(246,245,241,0.06);border-color:rgba(246,245,241,0.14);box-shadow:none}
.section--dark .card h3{color:var(--on-dark)}
.section--dark .card p{color:var(--on-dark-muted)}

/* Cockpit / KPI mockup pieces */
.cockpit{background:var(--paper);border-radius:var(--radius);padding:20px;box-shadow:0 16px 48px rgba(19,16,64,0.35);font-size:13px;color:var(--navy)}
.cockpit__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;font-family:var(--font-heading);font-weight:600}
.cockpit__status{color:var(--success);font-size:12px}
.kpi{background:#fff;border-radius:8px;padding:12px}
.kpi__label{font-size:11px;text-transform:uppercase;letter-spacing:0.06em;color:var(--slate)}
.kpi__num{font-family:var(--font-heading);font-size:24px;font-weight:700}
.rec-card{background:rgba(61,123,255,0.10);border-left:3px solid var(--azure);border-radius:6px;padding:12px 14px;font-size:13px}

/* Badges (integrations) */
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--border-warm);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--slate);margin:4px}
.badge img{width:auto;height:15px;max-width:52px;display:block}
.badge--mark img{height:16px;max-width:78px}
.badge-grid{display:flex;flex-wrap:wrap}

/* Accordion */
.accordion__item{border-bottom:1px solid var(--border)}
.accordion__btn{width:100%;text-align:left;background:none;border:none;font-family:var(--font-heading);font-size:17px;font-weight:600;color:var(--navy);padding:20px 40px 20px 0;cursor:pointer;position:relative}
.accordion__btn::after{content:'+';position:absolute;right:8px;font-size:22px;color:var(--azure-ink);transition:transform .2s}
.accordion__btn[aria-expanded="true"]::after{transform:rotate(45deg)}
.accordion__panel{display:none;padding:0 0 20px;color:var(--slate);font-size:15px;max-width:720px}
.accordion__btn[aria-expanded="true"]+.accordion__panel{display:block}

/* Tabs */
.tabs__list{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.tabs__btn{font-family:var(--font-heading);font-size:14px;font-weight:600;padding:10px 18px;border-radius:999px;border:1px solid var(--border);background:none;color:var(--slate);cursor:pointer}
.tabs__btn[aria-selected="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.tabs__panel[hidden]{display:none}

/* Modal + form */
.modal-overlay{position:fixed;inset:0;background:rgba(19,16,64,0.55);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;opacity:0;transition:opacity .25s}
.modal-overlay.active{display:flex;opacity:1}
.modal{background:var(--paper);border-radius:var(--radius);padding:44px;max-width:520px;width:92%;max-height:90vh;overflow-y:auto;position:relative}
.modal .modal-close{position:absolute;top:18px;right:18px;background:none;border:none;font-size:24px;color:var(--slate);cursor:pointer}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-family:var(--font-body);font-size:14px;color:var(--navy);background:#fff}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--azure-ink);box-shadow:0 0 0 3px rgba(48,109,239,0.15)}
.form-textarea{min-height:110px;resize:vertical}
.form-submit{width:100%;background:var(--azure-ink);color:#fff;border:none;border-radius:8px;padding:14px;font-size:14px;font-weight:600;cursor:pointer}
.form-submit:hover{background:#1E4AAD}

/* Footer */
.site-footer{background:var(--navy-deep);color:var(--on-dark-faint);padding:56px 5% 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer-grid img{height:40px;width:auto;margin-bottom:12px}
.footer-col h4{font-family:var(--font-heading);font-size:12px;letter-spacing:0.12em;text-transform:uppercase;color:var(--orange);margin-bottom:14px}
.footer-col a{display:block;font-size:13px;color:var(--on-dark-muted);text-decoration:none;margin-bottom:8px}
.footer-col a:hover{color:var(--on-dark)}
.footer-bottom{border-top:1px solid rgba(246,245,241,0.10);padding-top:24px;font-size:12px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* Motion */
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.fade-in{opacity:1;transform:none;transition:none}}

/* Responsive */
@media (max-width:900px){
  .section{padding:64px 0}
  .card-grid--2,.card-grid--3,.card-grid--4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-nav{padding:10px 4%}
  .site-nav .logo img{height:40px}
  .nav-links{gap:12px}
  .nav-links a{font-size:12px}
  .nav-cta{padding:8px 14px}
  .modal{padding:28px}
}