/* ==========================================================================
   AEOfix Design System — Redesign 2026
   Refined dark, credibility-first. One accent color. No terminal/hacker
   cues. One job per page — this file provides the shared shell; each page
   composes from it rather than inventing its own inline styles.
   ========================================================================== */

:root{
  --bg:#0b0f17;
  --surface:#111826;
  --surface-2:#161f30;
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.14);
  --text:#f4f6f9;
  --text-secondary:#a7b1c2;
  --text-muted:#6b7686;
  --accent:#5b6bf5;
  --accent-strong:#4854e0;
  --accent-tint:rgba(91,107,245,0.12);
  --good:#3fbf8f;
  --bad:#e2685f;
  --radius:10px;
  --radius-lg:16px;
  --mono:'JetBrains Mono',monospace;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --max:960px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--sans);font-weight:700;letter-spacing:-0.015em;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:720px;margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:0.85rem 1.7rem;border-radius:8px;font-weight:600;font-size:0.95rem;
  cursor:pointer;border:1px solid transparent;
  transition:transform .12s ease, background .12s ease, border-color .12s ease;
  font-family:var(--sans);
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-strong);}
.btn-secondary{background:transparent;border-color:var(--border-strong);color:var(--text);}
.btn-secondary:hover{border-color:var(--accent);}
.btn-text{color:var(--text-secondary);font-weight:500;font-size:0.92rem;display:inline-flex;align-items:center;}
.btn-text:hover{color:var(--text);}
.btn-block{width:100%;}
.btn-sm{padding:0.6rem 1.2rem;font-size:0.85rem;}

.eyebrow{
  font-size:0.8rem;font-weight:600;letter-spacing:0.02em;color:var(--accent);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.eyebrow.center{justify-content:center;width:100%;}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,15,23,0.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;color:var(--text);}
.logo img{width:24px;height:24px;border-radius:6px;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:0.88rem;color:var(--text-secondary);font-weight:500;}
.nav-link:hover,.nav-link.active{color:var(--text);}
.nav-right{display:flex;align-items:center;gap:14px;}
.mobile-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.3rem;cursor:pointer;}

@media (max-width:760px){
  .nav-links{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--bg);flex-direction:column;align-items:flex-start;
    padding:24px;gap:20px;display:none;overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .mobile-toggle{display:block;}
}

/* ---------- Page header (inner pages) ---------- */
.page-header{padding:84px 0 56px;text-align:center;border-bottom:1px solid var(--border);}
.page-header h1{font-size:clamp(2rem,4vw,2.7rem);line-height:1.15;max-width:680px;margin:0 auto 16px;}
.page-header p{max-width:560px;margin:0 auto;color:var(--text-secondary);font-size:1.05rem;}

/* ---------- Home hero ---------- */
.hero{padding:140px 0 64px;text-align:center;}
.hero h1{font-size:clamp(2.3rem,5vw,3.6rem);line-height:1.1;max-width:680px;margin:0 auto 20px;}
.hero h1 .accent-word{color:var(--accent);}
.hero-sub{max-width:520px;margin:0 auto 40px;color:var(--text-secondary);font-size:1.1rem;}
.hero-cta{display:flex;gap:24px;justify-content:center;align-items:center;flex-wrap:wrap;}

/* ---------- Quiet trust line ---------- */
.trust-line{
  display:flex;justify-content:center;align-items:center;gap:28px;flex-wrap:wrap;
  padding:56px 24px 0;color:var(--text-muted);font-size:0.85rem;
}
.trust-line span{white-space:nowrap;}
.trust-line b{color:var(--text-secondary);font-weight:600;font-family:var(--mono);}
.trust-dot{width:3px;height:3px;border-radius:50%;background:var(--border-strong);}

/* ---------- Section shells ---------- */
.section{padding:120px 0;}
.section-tight{padding:80px 0;}
.section-narrow{max-width:760px;margin:0 auto;}
.section-head{max-width:560px;margin:0 auto 56px;text-align:center;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.2rem);margin-bottom:14px;}
.section-head p{color:var(--text-secondary);font-size:1rem;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

/* ---------- 3-step flow ---------- */
.flow{display:flex;justify-content:space-between;gap:20px;position:relative;}
.flow::before{content:'';position:absolute;top:17px;left:60px;right:60px;height:1px;background:var(--border-strong);z-index:0;}
.flow-step{flex:1;text-align:left;position:relative;z-index:1;}
.flow-num{
  width:34px;height:34px;border-radius:50%;background:var(--bg);border:1px solid var(--border-strong);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:0.85rem;color:var(--text);
  margin-bottom:20px;
}
.flow-step h3{font-size:1.02rem;font-weight:600;margin-bottom:8px;}
.flow-step p{color:var(--text-secondary);font-size:0.9rem;}
@media (max-width:720px){
  .flow{flex-direction:column;gap:36px;}
  .flow::before{display:none;}
}

/* ---------- Proof / quote ---------- */
.proof-inner{padding:88px 0;text-align:center;max-width:680px;margin:0 auto;}
.proof-quote{font-size:1.35rem;line-height:1.5;color:var(--text);margin-bottom:24px;font-weight:500;}
.proof-cite{color:var(--text-muted);font-size:0.88rem;}
.proof-cite a{color:var(--accent);}

/* ---------- Cards (generic) ---------- */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;
}

/* ---------- Pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 26px;display:flex;flex-direction:column;}
.plan.featured{border-color:var(--accent);background:linear-gradient(180deg,var(--surface-2),var(--surface));position:relative;}
.plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:0.72rem;font-weight:600;padding:4px 12px;border-radius:999px;white-space:nowrap;}
.plan-name{font-size:1.15rem;font-weight:700;margin-bottom:4px;}
.plan-tag{color:var(--text-muted);font-size:0.85rem;margin-bottom:18px;}
.plan-price{font-family:var(--mono);font-size:2rem;font-weight:600;margin-bottom:4px;}
.plan-price span{font-size:1rem;color:var(--text-secondary);font-weight:400;}
.plan-unit{color:var(--text-muted);font-size:0.82rem;margin-bottom:22px;}
.plan ul{list-style:none;margin:0 0 24px;padding:0;flex-grow:1;}
.plan li{display:flex;gap:10px;font-size:0.9rem;color:var(--text-secondary);padding:8px 0;border-top:1px solid var(--border);}
.plan li:first-child{border-top:none;}
.plan li::before{content:'✓';color:var(--good);font-weight:700;}
@media (max-width:860px){.pricing-grid{grid-template-columns:1fr;}}

.pricing-ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch;}
.pricing-ladder .plan{padding:26px 22px;}
@media (max-width:900px){.pricing-ladder{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.pricing-ladder{grid-template-columns:1fr;}}
.plan.soon{opacity:0.85;}
.plan-badge.soon{background:var(--border-strong);color:var(--text-secondary);}
.pricing-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:stretch;}
@media (max-width:720px){.pricing-grid-2{grid-template-columns:1fr;}}
.tier-divider{display:flex;align-items:center;gap:16px;margin:52px 0 24px;}
.tier-divider::before,.tier-divider::after{content:'';flex:1;height:1px;background:var(--border);}
.tier-divider span{color:var(--text-muted);font-size:0.78rem;font-weight:600;letter-spacing:0.03em;white-space:nowrap;text-transform:uppercase;}

.feature-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:820px){.feature-grid-3{grid-template-columns:1fr;}}
.feature-card h3{font-size:1.02rem;font-weight:600;margin-bottom:10px;}
.feature-card p{color:var(--text-secondary);font-size:0.9rem;}

/* ---------- Stat row (light — not a boxed dashboard) ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.stat-cell{background:var(--surface);padding:28px 20px;text-align:center;}
.stat-num{font-family:var(--mono);font-size:1.6rem;font-weight:600;color:var(--text);}
.stat-label{font-size:0.8rem;color:var(--text-muted);margin-top:6px;}
@media (max-width:760px){.stat-row{grid-template-columns:repeat(2,1fr);}}

/* ---------- Case study / result cards ---------- */
.result-list{display:flex;flex-direction:column;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.result-item{background:var(--surface);padding:28px;display:flex;justify-content:space-between;gap:24px;align-items:flex-start;flex-wrap:wrap;}
.result-item h3{font-size:1.05rem;margin-bottom:8px;}
.result-item p{color:var(--text-secondary);font-size:0.92rem;max-width:520px;}
.result-meta{color:var(--text-muted);font-size:0.8rem;font-family:var(--mono);white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-list{max-width:720px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;font-weight:600;font-size:0.98rem;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';color:var(--text-muted);font-size:1.2rem;font-weight:400;flex-shrink:0;}
.faq-item[open] summary::after{content:'–';}
.faq-item p{color:var(--text-secondary);font-size:0.92rem;padding-bottom:22px;max-width:640px;}

/* ---------- Forms ---------- */
.form-group{margin-bottom:1.4rem;}
.form-group label{display:block;margin-bottom:0.5rem;color:var(--text);font-weight:500;font-size:0.9rem;}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:0.75rem 0.9rem;background:var(--bg);border:1px solid var(--border-strong);
  border-radius:8px;color:var(--text);font-family:var(--sans);font-size:0.95rem;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);}
.form-group textarea{resize:vertical;}
.form-note{font-size:0.82rem;color:var(--text-muted);margin-top:0.75rem;text-align:center;}
.form-note a{color:var(--accent);}

/* ---------- Final CTA ---------- */
.cta-final{padding:120px 0 140px;text-align:center;}
.cta-final h2{font-size:clamp(1.8rem,3.4vw,2.4rem);margin-bottom:16px;}
.cta-final p{color:var(--text-secondary);margin-bottom:36px;}
.cta-band{
  background:linear-gradient(135deg,var(--accent-tint),transparent);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;
}

/* ---------- Resource hub ---------- */
.resource-group{margin-bottom:52px;}
.resource-group h2{font-size:1.15rem;margin-bottom:18px;color:var(--text);}
.resource-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;}
.resource-links a{
  padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:8px;
  font-size:0.88rem;color:var(--text-secondary);
}
.resource-links a:hover{border-color:var(--accent);color:var(--text);}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--border);padding:40px 0;}
.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:center;}
.footer-links{display:flex;gap:24px;flex-wrap:wrap;}
.footer-links a{font-size:0.82rem;color:var(--text-secondary);}
.footer-links a:hover{color:var(--text);}
.footer-copy{font-size:0.78rem;color:var(--text-muted);}

/* ---------- Utility ---------- */
.center{text-align:center;}
.mt-0{margin-top:0;}