/* biabianx.com — Cypress-style deep-green-teal testing-tool landing */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --green-900:#0a1a12;
  --green-800:#0e2318;
  --green-700:#143320;
  --green-600:#1a4a2c;
  --teal-500:#00b894;
  --teal-400:#00d4a8;
  --teal-300:#4fe8c8;
  --cyan-400:#00cec9;
  --cyan-300:#81ecec;
  --white:#ffffff;
  --gray-100:#f0faf7;
  --gray-200:#d4ede8;
  --gray-400:#7fb5a8;
  --gray-600:#4a7a6e;
  --text-main:#e8f8f4;
  --text-muted:#a0c8be;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-card:0 4px 24px rgba(0,184,148,0.12);
  --shadow-glow:0 0 40px rgba(0,212,168,0.18);
  --font:'Segoe UI',system-ui,-apple-system,sans-serif;
}

html{scroll-behavior:smooth}
body{background:var(--green-900);color:var(--text-main);font-family:var(--font);line-height:1.6;overflow-x:hidden}

/* ─── NAVBAR ─── */
.navbar{position:sticky;top:0;z-index:100;background:rgba(10,26,18,0.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,184,148,0.15)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo-text{font-size:1.25rem;font-weight:800;color:var(--white);letter-spacing:-0.5px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{color:var(--text-muted);text-decoration:none;font-size:0.875rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--teal-400)}
.nav-cta{background:var(--teal-500);color:#fff !important;padding:8px 20px;border-radius:var(--radius-sm);font-weight:600;transition:background .2s,transform .1s}
.nav-cta:hover{background:var(--teal-400);transform:translateY(-1px)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text-main);border-radius:2px;transition:transform .3s}

/* ─── HERO ─── */
.hero{position:relative;overflow:hidden;padding:100px 24px 80px;text-align:center;background:linear-gradient(160deg,var(--green-800) 0%,var(--green-900) 60%)}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 800px 500px at 50% -10%,rgba(0,212,168,0.12) 0%,transparent 70%);pointer-events:none}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,184,148,0.1);border:1px solid rgba(0,184,148,0.3);border-radius:100px;padding:6px 16px;font-size:0.8rem;font-weight:600;color:var(--teal-300);letter-spacing:0.5px;margin-bottom:28px;text-transform:uppercase}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--teal-400);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.6;transform:scale(1.3)}}
.hero h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:900;line-height:1.1;letter-spacing:-1.5px;color:var(--white);margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--teal-400)}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--text-muted);max-width:620px;margin:0 auto 40px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin-bottom:60px}
.btn-primary{background:var(--teal-500);color:#fff;border:none;padding:16px 36px;border-radius:var(--radius-sm);font-size:1rem;font-weight:700;cursor:pointer;transition:background .2s,transform .15s,box-shadow .2s;box-shadow:0 4px 20px rgba(0,184,148,0.4)}
.btn-primary:hover{background:var(--teal-400);transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,184,148,0.5)}
.btn-outline{background:transparent;color:var(--teal-300);border:1.5px solid rgba(0,212,168,0.4);padding:15px 32px;border-radius:var(--radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.btn-outline:hover{border-color:var(--teal-400);color:var(--teal-400);background:rgba(0,212,168,0.06)}
.hero-visual{max-width:860px;margin:0 auto;position:relative}
.hero-terminal{background:var(--green-800);border:1px solid rgba(0,184,148,0.2);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-glow)}
.terminal-bar{background:var(--green-700);padding:12px 16px;display:flex;align-items:center;gap:8px;border-bottom:1px solid rgba(0,184,148,0.15)}
.dot{width:12px;height:12px;border-radius:50%}
.dot-red{background:#ff5f57}.dot-yellow{background:#ffbd2e}.dot-green{background:#28c840}
.terminal-title{font-size:0.8rem;color:var(--text-muted);margin-left:auto;font-family:monospace}
.terminal-body{padding:24px;font-family:'Courier New',monospace;font-size:0.875rem;line-height:2;text-align:left}
.t-comment{color:var(--gray-600)}
.t-keyword{color:var(--teal-400)}
.t-string{color:var(--cyan-300)}
.t-fn{color:#fdcb6e}
.t-ok{color:var(--teal-300)}
.t-dim{color:var(--text-muted)}

/* ─── STATS ─── */
.stats-band{padding:48px 24px;background:var(--green-800);border-top:1px solid rgba(0,184,148,0.1);border-bottom:1px solid rgba(0,184,148,0.1)}
.stats-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center}
.stat-item{}
.stat-num{font-size:2rem;font-weight:800;color:var(--teal-400);line-height:1}
.stat-label{font-size:0.8rem;color:var(--text-muted);margin-top:6px}

/* ─── FEATURES ─── */
.features{padding:88px 24px;background:var(--green-900)}
.section-header{text-align:center;margin-bottom:56px}
.section-eyebrow{font-size:0.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--teal-400);margin-bottom:12px}
.section-title{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;color:var(--white);letter-spacing:-0.5px;line-height:1.2}
.section-desc{font-size:1rem;color:var(--text-muted);max-width:540px;margin:16px auto 0;line-height:1.7}
.features-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--green-800);border:1px solid rgba(0,184,148,0.12);border-radius:var(--radius-md);padding:32px 28px;transition:border-color .2s,transform .2s,box-shadow .2s}
.feat-card:hover{border-color:rgba(0,212,168,0.3);transform:translateY(-3px);box-shadow:var(--shadow-card)}
.feat-icon{width:48px;height:48px;border-radius:var(--radius-sm);background:rgba(0,184,148,0.12);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.feat-icon svg{width:24px;height:24px}
.feat-title{font-size:1.05rem;font-weight:700;color:var(--white);margin-bottom:10px}
.feat-desc{font-size:0.875rem;color:var(--text-muted);line-height:1.6}

/* ─── SPLIT SECTION ─── */
.split{padding:80px 24px;background:var(--green-800)}
.split-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-content{}
.split-eyebrow{font-size:0.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--teal-400);margin-bottom:16px}
.split-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;color:var(--white);letter-spacing:-0.5px;line-height:1.25;margin-bottom:20px}
.split-body{font-size:0.95rem;color:var(--text-muted);line-height:1.75;margin-bottom:28px}
.check-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:0.9rem;color:var(--text-muted)}
.check-icon{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:rgba(0,184,148,0.15);display:flex;align-items:center;justify-content:center;margin-top:1px}
.check-icon svg{width:11px;height:11px;stroke:var(--teal-400);fill:none}
.split-panel{background:var(--green-700);border:1px solid rgba(0,184,148,0.15);border-radius:var(--radius-lg);padding:32px;position:relative;overflow:hidden}
.split-panel::after{content:'';position:absolute;top:-40px;right:-40px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,168,0.12),transparent);pointer-events:none}
.panel-metric{margin-bottom:24px;padding-bottom:24px;border-bottom:1px solid rgba(0,184,148,0.1)}
.panel-metric:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.pm-label{font-size:0.78rem;color:var(--gray-400);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.pm-bar-wrap{background:rgba(0,0,0,0.3);border-radius:4px;height:8px;overflow:hidden;margin-bottom:6px}
.pm-bar{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--teal-500),var(--teal-300))}
.pm-value{font-size:0.8rem;color:var(--teal-400);font-weight:600}

/* ─── PLATFORM DOWNLOAD ─── */
.platform{padding:80px 24px;background:var(--green-900)}
.platform-inner{max-width:1100px;margin:0 auto}
.platform-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.plat-card{background:var(--green-800);border:1px solid rgba(0,184,148,0.12);border-radius:var(--radius-md);padding:28px 20px;text-align:center;transition:border-color .2s,transform .2s}
.plat-card:hover{border-color:rgba(0,212,168,0.3);transform:translateY(-3px)}
.plat-icon{width:52px;height:52px;margin:0 auto 16px;border-radius:12px;background:rgba(0,184,148,0.1);display:flex;align-items:center;justify-content:center}
.plat-icon svg{width:28px;height:28px}
.plat-name{font-size:1rem;font-weight:700;color:var(--white);margin-bottom:8px}
.plat-desc{font-size:0.8rem;color:var(--text-muted);margin-bottom:20px;line-height:1.5}
.btn-plat{width:100%;background:transparent;border:1.5px solid rgba(0,212,168,0.3);color:var(--teal-300);padding:10px 16px;border-radius:var(--radius-sm);font-size:0.85rem;font-weight:600;cursor:pointer;transition:background .2s,border-color .2s}
.btn-plat:hover{background:rgba(0,212,168,0.08);border-color:var(--teal-400)}

/* ─── SECURITY SECTION ─── */
.security{padding:80px 24px;background:var(--green-800)}
.security-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.sec-list{display:flex;flex-direction:column;gap:20px;margin-top:32px}
.sec-item{display:flex;gap:16px;align-items:flex-start}
.sec-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:rgba(0,184,148,0.12);border:1.5px solid rgba(0,184,148,0.25);display:flex;align-items:center;justify-content:center;font-size:0.8rem;font-weight:700;color:var(--teal-400)}
.sec-text h4{font-size:0.95rem;font-weight:700;color:var(--white);margin-bottom:4px}
.sec-text p{font-size:0.85rem;color:var(--text-muted);line-height:1.55}
.sec-shield{background:var(--green-900);border:1px solid rgba(0,184,148,0.15);border-radius:var(--radius-lg);padding:36px;margin-top:0}
.shield-icon{text-align:center;margin-bottom:28px}
.shield-icon svg{width:80px;height:80px}
.shield-stat{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid rgba(0,184,148,0.1)}
.shield-stat:last-child{border-bottom:none}
.ss-label{font-size:0.85rem;color:var(--text-muted)}
.ss-val{font-size:0.9rem;font-weight:700;color:var(--teal-400)}

/* ─── CTA BANNER ─── */
.cta-banner{padding:88px 24px;background:linear-gradient(135deg,var(--green-700) 0%,var(--green-800) 100%);text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 700px 400px at 50% 50%,rgba(0,212,168,0.1) 0%,transparent 70%);pointer-events:none}
.cta-banner h2{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;color:var(--white);letter-spacing:-0.5px;margin-bottom:16px;position:relative}
.cta-banner p{font-size:1rem;color:var(--text-muted);max-width:500px;margin:0 auto 36px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;position:relative}

/* ─── FOOTER ─── */
.footer{background:var(--green-900);border-top:1px solid rgba(0,184,148,0.1);padding:56px 24px 32px}
.footer-inner{max-width:1100px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
.footer-brand{}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;text-decoration:none}
.footer-logo-text{font-size:1.1rem;font-weight:800;color:var(--white)}
.footer-tagline{font-size:0.85rem;color:var(--text-muted);line-height:1.6;max-width:260px}
.footer-col h5{font-size:0.8rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--teal-400);margin-bottom:16px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:0.85rem;color:var(--text-muted);text-decoration:none;transition:color .2s}
.footer-col a:hover{color:var(--text-main)}
.footer-bottom{border-top:1px solid rgba(0,184,148,0.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copy{font-size:0.8rem;color:var(--gray-600)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:0.8rem;color:var(--gray-600);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--text-muted)}

/* ─── RESPONSIVE ─── */
@media(max-width:900px){
  .features-grid{grid-template-columns:1fr 1fr}
  .split-inner{grid-template-columns:1fr;gap:40px}
  .split-panel{order:-1}
  .platform-cards{grid-template-columns:1fr 1fr}
  .security-inner{grid-template-columns:1fr;gap:40px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{padding:72px 20px 56px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-primary,.btn-outline{text-align:center}
  .features-grid{grid-template-columns:1fr}
  .platform-cards{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .split-inner{gap:28px}
}
@media(max-width:400px){
  .platform-cards{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
}