/* AI ERP 360 — Product Portfolio Page
   Dark professional theme, distinct sub-brand accent (purple/cyan)
   while reusing the site's global nav/footer (js/nav.js). */

:root{
  --bg-primary:#0A0F1E;
  --bg-card:#111827;
  --bg-card-hover:#1a2035;
  --border:#1f2d4a;
  --border-hover:#6366F1;
  --text-primary:#F9FAFB;
  --text-secondary:#9CA3AF;
  --accent-purple:#6366F1;
  --accent-cyan:#22D3EE;
  --btn-gradient:linear-gradient(135deg,#6366F1,#22D3EE);
  --radius:12px;
  --max:1200px;
}

.erp *{box-sizing:border-box}
@media(pointer:fine){body{cursor:auto!important}}
.erp{font-family:'Inter',system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);scroll-behavior:smooth;line-height:1.6}
.erp section{padding:90px 24px}
.erp .wrap{max-width:var(--max);margin:0 auto}
.erp h1,.erp h2,.erp h3{font-family:'Inter',system-ui,sans-serif;font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0}
.erp .eyebrow{font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-cyan);margin-bottom:14px;display:block}
.erp .lead{color:var(--text-secondary);font-size:1.05rem;max-width:640px;line-height:1.7}
.erp a{text-decoration:none}

/* ===== Hero ===== */
.erp-hero{
  padding:170px 24px 100px;
  background:linear-gradient(135deg,#0A0F1E 0%,#1a1040 100%);
  background-size:200% 200%;
  animation:erpGrad 14s ease infinite;
  position:relative;
  overflow:hidden;
  text-align:center;
}
@keyframes erpGrad{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.erp-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(99,102,241,.25) 0%,transparent 60%);
  pointer-events:none;
}
.erp-hero .wrap{position:relative;z-index:1}
.erp-hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);max-width:920px;margin:0 auto 20px}
.erp-hero .sub{color:var(--text-secondary);font-size:1.15rem;max-width:640px;margin:0 auto 40px;line-height:1.7}
.erp-cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:60px}
.erp-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:8px;font-weight:700;font-size:.95rem;
  transition:transform .3s ease,box-shadow .3s ease;
  cursor:pointer;border:none;
}
.erp-btn-primary{background:var(--btn-gradient);color:#0A0F1E}
.erp-btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(99,102,241,.4)}
.erp-btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border)}
.erp-btn-secondary:hover{border-color:var(--border-hover);transform:translateY(-3px)}

.erp-trust{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.erp-trust span{
  font-size:.78rem;color:var(--text-secondary);
  border:1px solid var(--border);border-radius:100px;padding:7px 16px;
  display:flex;align-items:center;gap:7px;
}
.erp-trust span::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent-cyan)}

/* ===== How it works ===== */
.erp-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}
.erp-step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;transition:border-color .3s ease}
.erp-step:hover{border-color:var(--border-hover)}
.erp-step .num{
  width:36px;height:36px;border-radius:8px;background:var(--btn-gradient);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:#0A0F1E;margin-bottom:18px;font-size:.95rem;
}
.erp-step h3{font-size:1.05rem;margin-bottom:8px}
.erp-step p{color:var(--text-secondary);font-size:.9rem;margin:0}

/* ===== Product grid ===== */
.erp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:50px}
.erp-card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 22px;display:flex;flex-direction:column;
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
  opacity:0;transform:translateY(16px);
}
.erp-card.in-view{animation:erpFadeUp .5s ease forwards}
@keyframes erpFadeUp{to{opacity:1;transform:translateY(0)}}
.erp-card:hover{transform:translateY(-4px);border-color:var(--border-hover);background:var(--bg-card-hover)}
.erp-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.erp-card-icon{
  width:42px;height:42px;border-radius:9px;background:rgba(99,102,241,.12);
  display:flex;align-items:center;justify-content:center;color:var(--accent-purple);font-size:1.1rem;flex-shrink:0;
}
.erp-badge{font-size:.65rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent-cyan);background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.25);border-radius:100px;padding:4px 10px}
.erp-card h3{font-size:1.05rem;margin-bottom:4px}
.erp-card .industry{color:var(--text-secondary);font-size:.78rem;margin-bottom:14px}
.erp-card ul{list-style:none;margin:0 0 20px;padding:0;flex:1}
.erp-card li{display:flex;align-items:flex-start;gap:8px;font-size:.8rem;color:var(--text-secondary);line-height:1.5;margin-bottom:8px}
.erp-card li i{color:var(--accent-cyan);font-size:.65rem;margin-top:5px;flex-shrink:0}
.erp-card-btn{
  width:100%;padding:10px;border-radius:7px;border:1px solid var(--border);
  background:transparent;color:var(--text-primary);font-size:.82rem;font-weight:600;cursor:pointer;
  transition:background .25s ease,border-color .25s ease;text-align:center;
}
.erp-card-btn:hover{background:var(--btn-gradient);border-color:transparent;color:#0A0F1E}

/* ===== Why us ===== */
.erp-why{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:50px}
.erp-why-col h3{font-size:1.15rem;margin-bottom:10px;background:var(--btn-gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.erp-why-col p{color:var(--text-secondary);font-size:.92rem;margin:0}

/* ===== Form ===== */
.erp-form-section{background:var(--bg-card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.erp-form-wrap{max-width:720px;margin:0 auto}
.erp-form-head{text-align:center;margin-bottom:44px}
.erp-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.erp-field{display:flex;flex-direction:column;gap:7px}
.erp-field.full{grid-column:1/-1}
.erp-field label{font-size:.8rem;color:var(--text-secondary);font-weight:600}
.erp-field label .req{color:var(--accent-cyan)}
.erp-field input,.erp-field select,.erp-field textarea{
  background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;
  padding:12px 14px;color:var(--text-primary);font-size:.9rem;font-family:inherit;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.erp-field input:focus,.erp-field select:focus,.erp-field textarea:focus{
  outline:none;border-color:var(--accent-purple);box-shadow:0 0 0 3px rgba(99,102,241,.18);
}
.erp-field textarea{resize:vertical;min-height:90px}
.erp-check{display:flex;align-items:flex-start;gap:10px;font-size:.82rem;color:var(--text-secondary)}
.erp-check input{width:16px;height:16px;margin-top:2px;accent-color:var(--accent-purple);flex-shrink:0}
.erp-honeypot{position:absolute;left:-9999px;opacity:0;pointer-events:none}
.erp-submit{
  grid-column:1/-1;padding:15px;border-radius:8px;border:none;
  background:var(--btn-gradient);color:#0A0F1E;font-weight:700;font-size:.95rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:10px;
  transition:transform .3s ease,box-shadow .3s ease;margin-top:6px;
}
.erp-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 10px 26px rgba(99,102,241,.35)}
.erp-submit:disabled{opacity:.6;cursor:not-allowed}
.erp-spinner{width:16px;height:16px;border:2px solid rgba(10,15,30,.3);border-top-color:#0A0F1E;border-radius:50%;animation:erpSpin .7s linear infinite;display:none}
.erp-submit.loading .erp-spinner{display:inline-block}
.erp-submit.loading .erp-submit-text{display:none}
@keyframes erpSpin{to{transform:rotate(360deg)}}

.erp-form-msg{grid-column:1/-1;font-size:.85rem;border-radius:8px;padding:14px 16px;display:none}
.erp-form-msg.show{display:block}
.erp-form-msg.error{background:rgba(248,113,113,.1);border:1px solid rgba(248,113,113,.3);color:#f87171}
.erp-success{text-align:center;padding:20px 0}
.erp-success i{font-size:2.4rem;color:var(--accent-cyan);margin-bottom:16px;display:block}
.erp-success h3{font-size:1.2rem;margin-bottom:8px}
.erp-success p{color:var(--text-secondary);font-size:.92rem}

/* ===== Footer note ===== */
.erp-foot{text-align:center;padding:50px 24px;color:var(--text-secondary);font-size:.82rem;border-top:1px solid var(--border)}
.erp-foot .brand{color:var(--text-primary);font-weight:800;font-size:1.05rem;margin-bottom:6px;display:block}
.erp-foot a{color:var(--accent-purple)}

/* ===== Section heads ===== */
.erp-section-head{text-align:center;max-width:640px;margin:0 auto 10px}
.erp-section-head .lead{margin:0 auto}

/* ===== Responsive ===== */
@media(max-width:980px){
  .erp-grid{grid-template-columns:repeat(2,1fr)}
  .erp-steps{grid-template-columns:1fr}
  .erp-why{grid-template-columns:1fr}
}
@media(max-width:640px){
  .erp section{padding:60px 18px}
  .erp-hero{padding:150px 18px 70px}
  .erp-grid{grid-template-columns:1fr}
  .erp-form{grid-template-columns:1fr}
  .erp-cta-row{flex-direction:column;align-items:stretch}
  .erp-btn{justify-content:center}
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  .erp-hero{animation:none}
  .erp-card{opacity:1;transform:none;animation:none}
  .erp-btn:hover,.erp-step:hover,.erp-card:hover{transform:none}
}