/* ============================================================
   PRISME™ Executive Validation Program — landing stylesheet
   Mirrors the FrontlineQSR commercial design language.
   Scoped to index.html only. No other page imports this file.
   Presentation only — no logic, no auth, no data.
   ============================================================ */

:root{
  /* surfaces */
  --bg-0:#050c18;
  --bg-1:#07111f;
  --bg-2:#0a1a30;
  --surface-1:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.055);
  --surface-3:rgba(255,255,255,.08);
  --card-bg:rgba(255,255,255,.045);
  --card-bg-2:rgba(255,255,255,.06);
  --card-border:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.08);

  /* text */
  --text:#f4f8ff;
  --text-soft:rgba(255,255,255,.82);
  --text-muted:rgba(255,255,255,.60);
  --text-faint:rgba(255,255,255,.44);

  /* accents — teal / blue / green system */
  --teal:#22d3ee;
  --teal-deep:#0e9bb0;
  --blue:#3b82f6;
  --blue-deep:#1f4e79;
  --green:#34d399;
  --green-deep:#22c55e;
  --amber:#f59e0b;
  --danger:#f87171;

  /* brand gradient */
  --grad-brand:linear-gradient(135deg,#22d3ee 0%,#3b82f6 55%,#34d399 100%);
  --grad-brand-soft:linear-gradient(135deg,rgba(34,211,238,.16),rgba(59,130,246,.14),rgba(52,211,153,.14));

  --radius:16px;
  --radius-sm:12px;
  --radius-xs:9px;

  --shadow-card:0 8px 22px rgba(0,0,0,.28);
  --shadow-md:0 14px 36px rgba(0,0,0,.34);
  --shadow-lg:0 24px 60px rgba(0,0,0,.42);
  --glow:0 0 0 1px rgba(34,211,238,.18), 0 18px 50px rgba(34,211,238,.12);

  --maxw:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 560px at 8% 4%, rgba(59,130,246,.10), transparent 62%),
    radial-gradient(1000px 700px at 50% 108%, rgba(52,211,153,.07), transparent 60%),
    var(--bg-1);
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
  overflow-x:clip;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- typography ---------- */
.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--teal);margin:0 0 14px;
}
.section-title{
  font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.01em;
  margin:0 0 14px;line-height:1.12;
}
.section-sub{font-size:clamp(15px,1.4vw,17px);color:var(--text-soft);margin:0;max-width:70ch}
.tm{color:var(--teal)}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:650;line-height:1;
  padding:14px 22px;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  will-change:transform;
}
.btn:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.btn-primary{background:var(--grad-brand);color:#04121a;box-shadow:0 10px 26px rgba(34,211,238,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(34,211,238,.34)}
.btn-secondary{background:var(--surface-2);color:var(--text);border-color:var(--card-border)}
.btn-secondary:hover{transform:translateY(-2px);border-color:rgba(34,211,238,.45);background:var(--surface-3)}
.btn-ghost{background:transparent;color:var(--text-soft);border-color:var(--card-border)}
.btn-ghost:hover{color:var(--text);border-color:rgba(255,255,255,.28)}
.btn-arrow{transition:transform .2s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,17,31,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:nowrap;gap:30px;padding:14px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:13px;min-width:0;flex-shrink:0}
.header-actions{flex-shrink:0}
.brand-shield{height:46px;width:auto;object-fit:contain;flex-shrink:0;
  filter:drop-shadow(0 4px 14px rgba(34,211,238,.28))}
.brand-lines{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em}
.brand-name .tm{font-size:.7em;vertical-align:super;margin-left:1px}
.brand-sys{font-size:11.5px;color:var(--text-muted);letter-spacing:.04em}
.brand-powered{font-size:10.5px;color:var(--text-faint);letter-spacing:.03em}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{padding:11px 17px;font-size:14px}

/* ---------- section rhythm ---------- */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.center{text-align:center}
.center .section-sub{margin-left:auto;margin-right:auto}

/* ---------- hero ---------- */
.hero{padding:54px 0 36px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,0.86fr);gap:40px;align-items:center}
.hero-copy{min-width:0}
.hero h1{font-size:clamp(34px,5vw,58px);font-weight:850;letter-spacing:-.02em;line-height:1.04;margin:16px 0 18px}
.hero-support{font-size:clamp(16px,1.6vw,20px);color:var(--text);font-weight:500;margin:0 0 16px;max-width:40ch}
.hero-body{font-size:16px;color:var(--text-soft);margin:0 0 28px;max-width:52ch}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:8px}

/* hero system panel */
.system-panel{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.028));
  border:1px solid var(--card-border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;min-width:0;
}
.system-panel::before{content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.05;pointer-events:none}
.system-panel-label{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);margin-bottom:18px}
.system-steps{display:flex;flex-direction:column;gap:12px}
.system-step{
  display:flex;align-items:center;gap:16px;padding:15px 16px;
  background:var(--surface-1);border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.system-step:hover{transform:translateX(4px);border-color:rgba(34,211,238,.4);background:var(--surface-2)}
.system-num{font-size:14px;font-weight:800;width:38px;height:38px;flex-shrink:0;display:grid;place-items:center;
  border-radius:10px;background:var(--grad-brand-soft);border:1px solid var(--card-border);color:var(--teal)}
.system-step-title{font-size:15px;font-weight:700}
.system-step-sub{font-size:12.5px;color:var(--text-muted);margin-top:2px}
.system-connector{width:1px;height:10px;background:linear-gradient(var(--teal),transparent);margin-left:35px}

/* ---------- cards ---------- */
.card-grid{display:grid;gap:18px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.xcard{
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:24px;transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
  position:relative;
}
.xcard:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--shadow-md)}
.xcard-icon{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--grad-brand-soft);border:1px solid var(--card-border)}
.xcard-icon svg{width:22px;height:22px;stroke:var(--teal)}
.xcard h3{font-size:17px;font-weight:750;margin:0 0 8px}
.xcard p{font-size:14px;color:var(--text-soft);margin:0}
.xcard .trademark{color:var(--teal);font-weight:750}
.role-tag{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px}
.xcard .scope-note{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--text-faint)}

/* ---------- validation journey ---------- */
.journey{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;counter-reset:wk}
.jstep{
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-sm);
  padding:20px 16px;position:relative;transition:transform .2s var(--ease),border-color .2s var(--ease)
}
.jstep:hover{transform:translateY(-4px);border-color:rgba(59,130,246,.4)}
.jdot{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;margin-bottom:14px;
  background:var(--grad-brand-soft);border:1px solid var(--card-border)}
.jdot svg{width:17px;height:17px;stroke:var(--teal)}
.jweek{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);margin-bottom:6px}
.jstep h4{font-size:14.5px;font-weight:700;margin:0 0 7px;line-height:1.25}
.jstep p{font-size:12.5px;color:var(--text-muted);margin:0}

/* ---------- criteria ---------- */
.criteria-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.criteria-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px}
.criteria-item{display:flex;gap:11px;font-size:14.5px;color:var(--text-soft);align-items:flex-start}
.criteria-item svg{width:19px;height:19px;stroke:var(--green);flex-shrink:0;margin-top:1px}
.criteria-note{
  background:var(--grad-brand-soft);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:24px;font-size:15px;color:var(--text);box-shadow:var(--shadow-card)
}
.criteria-note strong{color:var(--teal)}

/* ---------- executive decision ---------- */
.decision{
  background:linear-gradient(180deg,rgba(59,130,246,.10),rgba(34,211,238,.05));
  border:1px solid var(--card-border);border-radius:var(--radius);
  padding:56px 44px;text-align:center;box-shadow:var(--shadow-lg)
}
.decision .kicker{font-size:clamp(18px,2vw,22px);color:var(--text-muted);font-weight:500;margin:0 0 6px}
.decision .big{font-size:clamp(34px,5vw,52px);font-weight:850;letter-spacing:-.02em;margin:0 0 26px}
.decision-q{max-width:640px;margin:0 auto 30px;text-align:left;display:grid;gap:12px}
.decision-q li{list-style:none;display:flex;gap:12px;font-size:16px;color:var(--text-soft);align-items:flex-start}
.decision-q li svg{width:20px;height:20px;stroke:var(--teal);flex-shrink:0;margin-top:2px}

/* ---------- credibility ---------- */
.cred-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cred-card{
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);
  padding:22px;transition:transform .2s var(--ease),border-color .2s var(--ease)
}
.cred-card:hover{transform:translateY(-3px);border-color:rgba(52,211,153,.4)}
.cred-label{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green);margin-bottom:9px}
.cred-title{font-size:16px;font-weight:750;margin-bottom:8px}
.cred-card p{font-size:13.5px;color:var(--text-muted);margin:0}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(5,12,24,.6);padding:48px 0 30px;margin-top:20px}
.footer-top{display:grid;grid-template-columns:1.3fr 1fr;gap:36px;align-items:start;margin-bottom:30px}
.footer-brand .brand-name{font-size:18px}
.footer-links{display:flex;flex-wrap:wrap;gap:14px 26px}
.footer-links a{font-size:14px;color:var(--text-soft);transition:color .15s}
.footer-links a:hover{color:var(--teal)}
.footer-disclaimer{font-size:12px;color:var(--text-faint);line-height:1.6;border-top:1px solid var(--line);padding-top:22px;max-width:none}
.footer-copy{font-size:12px;color:var(--text-muted);margin-top:16px}

/* ---------- status chips (hero panel footer) ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:600;color:var(--text-soft);
  background:var(--surface-1);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .journey{grid-template-columns:repeat(2,1fr)}
  .criteria-wrap{grid-template-columns:1fr;gap:26px}
  .footer-top{grid-template-columns:1fr;gap:24px}
}
@media (max-width:760px){
  .wrap{padding:0 18px}
  .section{padding:54px 0}
  .cols-3{grid-template-columns:1fr}
  .criteria-list{grid-template-columns:1fr}
  .cred-grid{grid-template-columns:1fr}
  .brand-sys,.brand-powered{display:none}
  .header-actions .btn-back-label{display:none}
  .decision{padding:40px 22px}
}
@media (max-width:460px){
  .cols-4{grid-template-columns:1fr}
  .journey{grid-template-columns:1fr}
  .header-actions .btn{padding:10px 13px;font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important}
  .btn:hover,.xcard:hover,.jstep:hover,.system-step:hover,.cred-card:hover{transform:none}
}

/* ---------- center nav (brand-unification) ---------- */
.main-nav{display:flex;align-items:center;gap:16px;justify-content:center;flex-wrap:nowrap;flex-shrink:0}
.main-nav a{font-size:13.5px;white-space:nowrap;color:var(--text-muted);font-weight:550;padding:6px 2px;position:relative;transition:color .15s var(--ease)}
.main-nav a:hover{color:var(--text)}
.main-nav a.active{color:var(--text)}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad-brand);border-radius:2px}
/* narrower desktop: tighten nav gaps before it can crowd */
@media (max-width:1320px){.main-nav{gap:14px}.main-nav a{font-size:13px}}
/* collapse section nav below this width so brand + actions never collide */
@media (max-width:1200px){.main-nav{display:none}}

/* ---------- hero system panel: shield + steps ---------- */
.system-panel-body{display:grid;grid-template-columns:minmax(0,42%) minmax(0,1fr);gap:20px;align-items:center}
.system-steps{min-width:0}
.system-shield{position:relative;display:grid;place-items:center;align-self:center;min-width:0}
.system-shield::before{content:"";position:absolute;width:120%;height:120%;left:-10%;top:-10%;
  background:radial-gradient(circle at 50% 45%, rgba(34,211,238,.36), rgba(59,130,246,.17) 46%, transparent 70%);
  filter:blur(16px);z-index:0;pointer-events:none}
.system-shield img{position:relative;z-index:1;width:100%;max-width:clamp(150px,15vw,220px);height:auto;
  filter:drop-shadow(0 24px 70px rgba(34,211,238,.44))}
@media (max-width:1100px){
  .system-panel-body{grid-template-columns:1fr;gap:22px;justify-items:center}
  .system-shield img{max-width:230px}
}