/* biabafox.com — purple-blue lightweight framework style */
:root {
  --purple-600: #7c3aed;
  --purple-500: #8b5cf6;
  --purple-400: #a78bfa;
  --blue-600:   #2563eb;
  --blue-500:   #3b82f6;
  --blue-400:   #60a5fa;
  --bg-dark:    #0f0e17;
  --bg-card:    #16152a;
  --bg-card2:   #1e1c38;
  --text-main:  #ede8ff;
  --text-sub:   #a09ac0;
  --text-dim:   #6d6790;
  --border:     #2e2b4e;
  --grad1: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
  --grad2: linear-gradient(135deg, #6d28d9 0%, #2563eb 100%);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-card: 0 4px 24px rgba(124,58,237,0.13);
  --shadow-btn:  0 4px 18px rgba(124,58,237,0.35);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{font-size:16px;scroll-behavior:smooth;}
body{
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  background:var(--bg-dark);
  color:var(--text-main);
  line-height:1.65;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
button{cursor:pointer;font-family:inherit;}
ul,ol{list-style:none;}

/* ─── NAV ─── */
.nav{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 5%;
  height:64px;
  background:rgba(15,14,23,0.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;letter-spacing:-0.02em;color:var(--text-main);}
.nav-logo img{width:32px;height:32px;}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{font-size:.92rem;color:var(--text-sub);transition:color .2s;}
.nav-links a:hover{color:var(--text-main);}
.nav-cta{
  display:flex;align-items:center;gap:10px;
}
.btn-ghost{
  padding:8px 18px;border-radius:var(--radius-sm);border:1px solid var(--border);
  background:transparent;color:var(--text-sub);font-size:.9rem;font-weight:600;
  transition:border-color .2s,color .2s;
}
.btn-ghost:hover{border-color:var(--purple-500);color:var(--text-main);}
.btn-primary{
  padding:9px 22px;border-radius:var(--radius-sm);border:none;
  background:var(--grad1);color:#fff;font-size:.9rem;font-weight:700;
  box-shadow:var(--shadow-btn);
  transition:opacity .2s,transform .15s;
}
.btn-primary:hover{opacity:.88;transform:translateY(-1px);}

/* ─── HERO ─── */
.hero{
  position:relative;
  padding:100px 5% 80px;
  text-align:center;
  overflow:hidden;
}
.hero-glow{
  position:absolute;top:-120px;left:50%;transform:translateX(-50%);
  width:860px;height:500px;
  background:radial-gradient(ellipse at center, rgba(124,58,237,.28) 0%, transparent 70%);
  pointer-events:none;
  z-index:0;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 16px;border-radius:99px;
  border:1px solid rgba(124,58,237,.4);
  background:rgba(124,58,237,.1);
  font-size:.82rem;font-weight:600;color:var(--purple-400);
  margin-bottom:24px;
  position:relative;z-index:1;
}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:var(--purple-400);}
.hero h1{
  font-size:clamp(2.2rem,5vw,4rem);
  font-weight:900;
  letter-spacing:-0.04em;
  line-height:1.15;
  color:#fff;
  position:relative;z-index:1;
  max-width:800px;margin:0 auto 18px;
}
.hero h1 .grad-text{
  background:var(--grad1);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-sub{
  font-size:1.1rem;color:var(--text-sub);
  max-width:560px;margin:0 auto 36px;
  position:relative;z-index:1;
}
.hero-actions{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;
  position:relative;z-index:1;
}
.btn-lg{
  padding:14px 32px;border-radius:var(--radius-md);border:none;
  font-size:1.05rem;font-weight:800;
  background:var(--grad1);color:#fff;
  box-shadow:var(--shadow-btn);
  transition:opacity .2s,transform .15s;
}
.btn-lg:hover{opacity:.88;transform:translateY(-2px);}
.btn-outline{
  padding:13px 28px;border-radius:var(--radius-md);
  border:1.5px solid var(--purple-500);
  background:transparent;color:var(--purple-400);
  font-size:1.05rem;font-weight:700;
  transition:background .2s,color .2s;
}
.btn-outline:hover{background:rgba(124,58,237,.12);color:#fff;}

/* ─── STATS BAR ─── */
.stats-bar{
  display:flex;justify-content:center;flex-wrap:wrap;gap:0;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:rgba(22,21,42,.6);
}
.stat-item{
  flex:1;min-width:160px;
  padding:28px 24px;text-align:center;
  border-right:1px solid var(--border);
}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:1.9rem;font-weight:900;color:#fff;letter-spacing:-0.03em;}
.stat-label{font-size:.82rem;color:var(--text-sub);margin-top:4px;}

/* ─── FEATURES GRID ─── */
.section{padding:80px 5%;}
.section-header{text-align:center;margin-bottom:52px;}
.section-tag{
  display:inline-block;
  padding:5px 14px;border-radius:99px;
  background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.3);
  font-size:.8rem;font-weight:700;color:var(--purple-400);
  margin-bottom:14px;text-transform:uppercase;letter-spacing:.06em;
}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:900;color:#fff;letter-spacing:-0.03em;margin-bottom:12px;}
.section-desc{font-size:1rem;color:var(--text-sub);max-width:540px;margin:0 auto;}
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:22px;
  max-width:1100px;margin:0 auto;
}
.feature-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:28px 26px;
  transition:border-color .25s,box-shadow .25s;
}
.feature-card:hover{border-color:var(--purple-500);box-shadow:var(--shadow-card);}
.feature-icon{
  width:46px;height:46px;border-radius:var(--radius-sm);
  background:var(--grad1);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.feature-icon svg{width:22px;height:22px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.feature-title{font-size:1.05rem;font-weight:800;color:#fff;margin-bottom:8px;}
.feature-text{font-size:.9rem;color:var(--text-sub);line-height:1.7;}

/* ─── SPLIT SECTION ─── */
.split-section{
  padding:80px 5%;
  background:var(--bg-card);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.split-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  max-width:1100px;margin:0 auto;
}
.split-text h2{font-size:clamp(1.6rem,2.8vw,2.2rem);font-weight:900;color:#fff;margin-bottom:16px;letter-spacing:-0.03em;}
.split-text p{color:var(--text-sub);font-size:.97rem;line-height:1.75;margin-bottom:20px;}
.split-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;}
.split-list-item{display:flex;align-items:flex-start;gap:10px;font-size:.93rem;color:var(--text-sub);}
.split-list-item::before{content:'✓';color:var(--purple-400);font-weight:800;flex-shrink:0;margin-top:1px;}
.split-visual{
  background:var(--bg-card2);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  display:flex;flex-direction:column;gap:14px;
}
.code-block{
  background:#0d0c1d;
  border:1px solid #2a2748;
  border-radius:var(--radius-sm);
  padding:18px 20px;
  font-family:'Fira Code','Cascadia Code','Consolas',monospace;
  font-size:.82rem;
  line-height:1.7;
  overflow:auto;
}
.code-comment{color:#6d6790;}
.code-keyword{color:#a78bfa;}
.code-string{color:#7dd3fc;}
.code-fn{color:#c4b5fd;}
.code-label{
  font-size:.75rem;color:var(--text-dim);font-weight:600;
  text-transform:uppercase;letter-spacing:.05em;
  margin-bottom:6px;
}

/* ─── STEPS / HOW-TO ─── */
.steps-section{padding:80px 5%;}
.steps-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;
  max-width:1000px;margin:0 auto;
}
.step-card{
  position:relative;
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:30px 26px;text-align:center;
}
.step-num{
  width:44px;height:44px;border-radius:50%;
  background:var(--grad1);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
  font-size:1.1rem;font-weight:900;color:#fff;
}
.step-title{font-size:1rem;font-weight:800;color:#fff;margin-bottom:8px;}
.step-text{font-size:.88rem;color:var(--text-sub);line-height:1.65;}

/* ─── PLATFORM PILLS ─── */
.platform-section{padding:60px 5%;background:var(--bg-card);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.platform-inner{max-width:900px;margin:0 auto;text-align:center;}
.platform-pills{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:32px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 22px;border-radius:99px;
  border:1px solid var(--border);background:var(--bg-card2);
  color:var(--text-sub);font-size:.9rem;font-weight:600;
  transition:border-color .2s,color .2s;
}
.pill svg{width:18px;height:18px;}
.pill:hover{border-color:var(--purple-500);color:var(--text-main);}
.pill-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 26px;border-radius:99px;border:none;
  background:var(--grad1);color:#fff;font-size:.9rem;font-weight:700;
  box-shadow:var(--shadow-btn);
  transition:opacity .2s,transform .15s;
}
.pill-cta:hover{opacity:.88;transform:translateY(-1px);}
.platform-ctas{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ─── CTA BAND ─── */
.cta-band{
  padding:80px 5%;text-align:center;
  background:linear-gradient(135deg,rgba(124,58,237,.15) 0%,rgba(37,99,235,.12) 100%);
  border-top:1px solid var(--border);
}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.6rem);font-weight:900;color:#fff;margin-bottom:14px;letter-spacing:-0.03em;}
.cta-band p{color:var(--text-sub);font-size:1rem;max-width:480px;margin:0 auto 32px;}
.cta-buttons{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ─── FOOTER ─── */
.footer{
  padding:60px 5% 32px;
  border-top:1px solid var(--border);
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  max-width:1100px;margin:0 auto 48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.05rem;font-weight:800;margin-bottom:14px;}
.footer-brand img{width:28px;height:28px;}
.footer-desc{font-size:.88rem;color:var(--text-sub);line-height:1.7;max-width:260px;}
.footer-col h4{font-size:.85rem;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.07em;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:9px;}
.footer-col ul li a{font-size:.88rem;color:var(--text-sub);transition:color .2s;}
.footer-col ul li a:hover{color:var(--text-main);}
.footer-bottom{
  max-width:1100px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;border-top:1px solid var(--border);
}
.footer-copy{font-size:.82rem;color:var(--text-dim);}
.footer-links{display:flex;gap:18px;}
.footer-links a{font-size:.82rem;color:var(--text-dim);transition:color .2s;}
.footer-links a:hover{color:var(--text-sub);}

/* ─── RESPONSIVE ─── */
@media(max-width:768px){
  .nav-links{display:none;}
  .split-inner{grid-template-columns:1fr;gap:32px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .stat-item{min-width:140px;padding:20px 14px;}
}
@media(max-width:480px){
  .hero{padding:72px 5% 56px;}
  .hero h1{font-size:2rem;}
  .footer-top{grid-template-columns:1fr;}
  .stats-bar{flex-direction:column;}
  .stat-item{border-right:none;border-bottom:1px solid var(--border);}
  .stat-item:last-child{border-bottom:none;}
  .section,.steps-section,.cta-band{padding:56px 5%;}
}