/* ===================================================================
   NeuralShift Labs — Review Build Stylesheet
   Brand: navy + teal, light professional theme
   =================================================================== */

:root{
  --navy-900:#0E1B33;
  --navy-800:#14274F;
  --navy-700:#1C3666;
  --teal-600:#0E7C8B;
  --teal-500:#1FA6B8;
  --teal-400:#3BBFCE;
  --ink:#0F1B30;
  --slate-700:#334155;
  --slate-500:#64748B;
  --slate-400:#94A3B8;
  --line:#E4E9F1;
  --bg:#FFFFFF;
  --bg-soft:#F6F8FB;
  --bg-tint:#EEF4F7;
  --white:#FFFFFF;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,27,48,.06),0 1px 3px rgba(15,27,48,.04);
  --shadow-md:0 8px 24px rgba(15,27,48,.08);
  --shadow-lg:0 24px 60px rgba(15,27,48,.12);
  --maxw:1160px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--slate-700);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}
a{color:var(--teal-600);text-decoration:none}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--ink);line-height:1.18;font-weight:800;letter-spacing:-.02em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--teal-600);margin-bottom:14px;
}
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin:0 auto 52px;text-align:center}
.section-head h2{font-size:2.1rem;margin-bottom:14px}
.section-head p{font-size:1.08rem;color:var(--slate-500)}

/* Skip link */
.skip-link{position:absolute;left:-999px;top:0;background:var(--navy-900);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.97rem;
  padding:13px 22px;border-radius:10px;border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap;
}
.btn:focus-visible{outline:3px solid var(--teal-400);outline-offset:2px}
.btn-primary{background:var(--teal-600);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--teal-500);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-dark{background:var(--navy-900);color:#fff}
.btn-dark:hover{background:var(--navy-800);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-600)}
.btn-sm{padding:10px 16px;font-size:.9rem}

/* ===================== Header ===================== */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center}
.brand img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:var(--slate-700);font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--teal-600)}
.header-cta{display:flex;align-items:center;gap:12px}
.hamburger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px}
.hamburger span{display:block;height:2px;width:22px;background:var(--ink);border-radius:2px;transition:.2s}

.mobile-drawer{display:none;flex-direction:column;gap:6px;padding:14px 24px 24px;border-bottom:1px solid var(--line);background:#fff}
.mobile-drawer a{padding:11px 8px;color:var(--slate-700);font-weight:500;border-radius:8px}
.mobile-drawer a:hover{background:var(--bg-tint)}
.mobile-drawer.open{display:flex}

/* ===================== Hero ===================== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 480px at 78% -10%,rgba(31,166,184,.12),transparent 60%),
    radial-gradient(900px 460px at 10% 0%,rgba(20,39,79,.07),transparent 55%),
    var(--bg);
  padding:74px 0 84px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:3.05rem;margin-bottom:20px}
.hero h1 .accent{color:var(--teal-600)}
.hero-sub{font-size:1.16rem;color:var(--slate-500);margin-bottom:30px;max-width:560px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:.9rem;color:var(--slate-500)}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust svg{color:var(--teal-500);flex-shrink:0}

/* Hero panel (abstract operations dashboard — original, no stock cliché) */
.hero-panel{
  background:linear-gradient(165deg,var(--navy-900),var(--navy-800));
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-lg);
  color:#fff;position:relative;
}
.hero-panel .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.hero-panel .panel-top span{font-size:.82rem;color:#9fb3d1;font-weight:600;letter-spacing:.04em}
.hero-panel .dots{display:flex;gap:6px}
.hero-panel .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.22)}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
.kpi{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px}
.kpi .v{font-size:1.5rem;font-weight:800;color:#fff}
.kpi .l{font-size:.72rem;color:#9fb3d1;margin-top:2px}
.kpi .d{font-size:.72rem;color:var(--teal-400);margin-top:6px;font-weight:600}
.bars{display:flex;align-items:flex-end;gap:10px;height:96px;padding:14px;background:rgba(255,255,255,.05);border-radius:12px}
.bars i{flex:1;background:linear-gradient(180deg,var(--teal-400),var(--teal-600));border-radius:4px 4px 0 0;opacity:.92}
.flow-row{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:.78rem;color:#c4d2e6}
.flow-row .node{background:rgba(31,166,184,.16);border:1px solid rgba(59,191,206,.35);color:#cdeef3;padding:6px 10px;border-radius:8px;font-weight:600}
.flow-row .arrow{color:var(--teal-400)}

/* ===================== Services ===================== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d3deea}
.card .ico{
  width:46px;height:46px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-tint);color:var(--teal-600);margin-bottom:16px;
}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{font-size:.95rem;color:var(--slate-500)}

/* ===================== Who We Help ===================== */
.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.help-list{list-style:none;display:flex;flex-direction:column;gap:16px}
.help-list li{display:flex;gap:14px;align-items:flex-start}
.help-list .chk{flex-shrink:0;width:26px;height:26px;border-radius:7px;background:var(--bg-tint);color:var(--teal-600);display:flex;align-items:center;justify-content:center}
.help-list strong{color:var(--ink);display:block;font-size:1rem}
.help-list span{font-size:.93rem;color:var(--slate-500)}

/* ===================== Use Cases ===================== */
.usecase-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.usecase{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;gap:18px}
.usecase .tag{flex-shrink:0;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-600);background:var(--bg-tint);padding:6px 10px;border-radius:8px;height:fit-content}
.usecase h3{font-size:1.06rem;margin-bottom:7px}
.usecase p{font-size:.93rem;color:var(--slate-500)}

/* ===================== How We Work ===================== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding-top:14px}
.step .num{font-size:.85rem;font-weight:800;color:var(--teal-600);letter-spacing:.08em}
.step h3{font-size:1.08rem;margin:8px 0 8px}
.step p{font-size:.93rem;color:var(--slate-500)}
.step::before{content:"";position:absolute;top:0;left:0;width:38px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--teal-500),var(--teal-400))}

/* ===================== CTA band ===================== */
.cta-band{
  background:linear-gradient(160deg,var(--navy-900),var(--navy-700));
  border-radius:var(--radius-lg);padding:54px 48px;text-align:center;color:#fff;
}
.cta-band h2{color:#fff;font-size:2rem;margin-bottom:12px}
.cta-band p{color:#c4d2e6;max-width:560px;margin:0 auto 26px;font-size:1.05rem}
.cta-band .btn-primary{background:var(--teal-500)}
.cta-band .btn-primary:hover{background:var(--teal-400)}

/* ===================== Contact / form ===================== */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:start}
.contact-info h2{font-size:2rem;margin-bottom:14px}
.contact-info p{color:var(--slate-500);margin-bottom:22px}
.contact-meta{display:flex;flex-direction:column;gap:12px;font-size:.95rem}
.contact-meta a{color:var(--teal-600);font-weight:600}
form .field{margin-bottom:16px}
form label{display:block;font-size:.85rem;font-weight:600;color:var(--ink);margin-bottom:6px}
form input,form textarea,form select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;
  font-size:.95rem;color:var(--ink);background:#fff;transition:border .15s ease,box-shadow .15s ease;
}
form input:focus,form textarea:focus,form select:focus{outline:none;border-color:var(--teal-500);box-shadow:0 0 0 3px rgba(31,166,184,.16)}
form textarea{min-height:120px;resize:vertical}
.form-note{font-size:.82rem;color:var(--slate-400);margin-top:10px}
.form-status{margin-top:14px;padding:12px 14px;border-radius:10px;font-size:.92rem;display:none}
.form-status.show{display:block}
.form-status.ok{background:#E7F6F2;color:#0E7C5A;border:1px solid #B7E4D5}

/* Demo badge */
.demo-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:#92660C;
  background:#FEF6E0;border:1px solid #F5E2A8;padding:7px 12px;border-radius:8px;
}

/* ===================== Footer ===================== */
.site-footer{background:var(--navy-900);color:#c4d2e6;padding:56px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:42px;height:42px}
.footer-brand .fb-name{font-weight:800;font-size:1.15rem;color:#fff;letter-spacing:-.02em}
.footer-brand .fb-name em{font-style:normal;color:var(--teal-400)}
.footer-col p{font-size:.92rem;color:#90a4c2;max-width:320px}
.footer-col h4{color:#fff;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.footer-col a{color:#a9bbd6;font-size:.93rem}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.85rem;color:#7e93b4}
.footer-bottom .tag{color:#90a4c2}

/* ===================== Reveal animation ===================== */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===================== Responsive ===================== */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:2.4rem}
  .cards,.usecase-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .help-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav,.header-cta .btn{display:none}
  .hamburger{display:flex}
}
@media (max-width:560px){
  .section{padding:60px 0}
  .hero h1{font-size:2rem}
  .cards,.usecase-grid,.steps,.footer-grid{grid-template-columns:1fr}
  .kpi-row{grid-template-columns:1fr 1fr}
  .cta-band{padding:40px 24px}
}

/* ===================== Phase 2 — inner pages ===================== */
.page-hero{background:radial-gradient(900px 380px at 80% -20%,rgba(31,166,184,.10),transparent 60%),var(--bg-soft);border-bottom:1px solid var(--line);padding:54px 0 48px}
.page-hero h1{font-size:2.5rem;margin:6px 0 14px;max-width:780px}
.page-hero .lead,.lead{font-size:1.15rem;color:var(--slate-500);max-width:680px}
.breadcrumb{font-size:.85rem;color:var(--slate-400);margin-bottom:14px}
.breadcrumb a{color:var(--slate-500);font-weight:600}
.breadcrumb span{margin:0 6px;color:var(--slate-400)}
a.card{text-decoration:none;color:inherit;display:flex;flex-direction:column}
.card-link{margin-top:14px;font-weight:700;font-size:.9rem;color:var(--teal-600)}
.about-cards .card h3{margin-bottom:8px}
.split{display:grid;grid-template-columns:1.6fr 1fr;gap:42px;align-items:start}
.split-main h2{font-size:1.5rem;margin-bottom:14px}
.prose-lead{font-size:1.12rem;color:var(--slate-700);margin-bottom:24px;line-height:1.7}
.prose-wrap{max-width:820px}
.prose-wrap p{margin-bottom:16px;font-size:1.02rem}
.ticks{list-style:none;display:flex;flex-direction:column;gap:12px}
.ticks li{display:flex;gap:11px;align-items:flex-start;color:var(--slate-700);font-size:1rem}
.ticks li svg{color:var(--teal-600);flex-shrink:0;margin-top:4px}
.ticks.small li{font-size:.92rem;gap:8px}
.split-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:16px}
.aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.aside-card h3{font-size:1.15rem;margin-bottom:8px}
.aside-card p{font-size:.95rem;color:var(--slate-500);margin-bottom:16px}
.aside-card.subtle{background:var(--bg-soft);box-shadow:none}
.aside-card h4{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-500);margin-bottom:12px}
.related-chips{display:flex;flex-wrap:wrap;gap:8px}
.related-chip{display:inline-block;font-size:.85rem;font-weight:600;color:var(--teal-600);background:var(--bg-tint);border:1px solid #d6e6ea;padding:7px 12px;border-radius:8px}
.related-chip:hover{background:#dff0f3}
.deliverables-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.deliverable{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.deliverable h4{font-size:1rem;margin-bottom:7px}
.deliverable p{font-size:.9rem;color:var(--slate-500)}
.callout{background:var(--bg-tint);border:1px solid #d6e6ea;border-radius:12px;padding:16px 18px;font-size:.95rem;color:var(--slate-700);margin-bottom:30px;display:flex;gap:10px;align-items:flex-start}
.callout svg{color:var(--teal-600);flex-shrink:0;margin-top:4px}
.we-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.we-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.we-card .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-600);background:var(--bg-tint);padding:5px 10px;border-radius:7px;margin-bottom:12px}
.we-card h3{font-size:1.2rem;margin-bottom:14px}
.we-row{margin-bottom:12px}
.we-row strong{display:block;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--slate-400);margin-bottom:4px}
.we-row p{font-size:.95rem;color:var(--slate-600,#475569)}
@media (max-width:900px){
  .split{grid-template-columns:1fr;gap:28px}
  .split-aside{position:static}
  .deliverables-grid{grid-template-columns:1fr 1fr}
  .we-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:2rem}
}
@media (max-width:560px){.deliverables-grid{grid-template-columns:1fr}}

/* Phase 2 fix — neutral (non-metric) hero dashboard tiles */
.hero-panel .kpi{display:flex;align-items:center;gap:9px}
.hero-panel .kpi .l{font-size:.82rem;color:#cdd9ea;margin-top:0;font-weight:600}
.kpi-dot{width:9px;height:9px;border-radius:50%;background:var(--teal-400);flex-shrink:0;box-shadow:0 0 0 4px rgba(59,191,206,.16)}
.panel-cap{font-size:.7rem;color:#8298b6;text-align:center;margin-top:14px;letter-spacing:.02em}

.form-status.error{color:#b42318}