:root{--bg:#0b0f13;--panel:#121820;--text:#eaf2ff;--muted:#9fb0c3;--brand:#6ee7b7;--accent:#60a5fa}
*{box-sizing:border-box}
html,body{height:100%;margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
#aboutApp{max-width:1100px;margin:48px auto;padding:28px;border-radius:16px}
.about-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 4px}
.about-header .brand{display:flex;align-items:center;gap:12px}
.about-header .brand h1{font-size:20px;margin:0}
.about-header .badge{font-size:11px;background:#1b2633;color:var(--muted);padding:4px 10px;border-radius:999px}
.about-nav{display:flex;gap:16px;align-items:center}
.about-nav .link{font-size:14px}

/* Hero */
.about-main{margin-top:18px}
.hero{width:100vw;margin-left:calc(50% - 50vw);padding:28px 0;background:linear-gradient(180deg, rgba(96,165,250,0.06), transparent);border-bottom:1px solid #17202a}
.hero-inner{max-width:1100px;margin:0 auto;padding:22px;border-radius:12px;background:transparent;border:none;display:flex;flex-direction:column;gap:8px}

/* Steps row */
.steps-row{max-width:1100px;margin:18px auto;padding:0 6px}
.welcome-steps{display:flex;gap:12px}
.welcome-step{flex:1;min-height:100px;padding:14px;border-radius:12px;background:#0f141b;border:1px solid #243244;display:flex;flex-direction:column;gap:8px}
.hero-title{font-size:2.1rem;margin:0 0 8px;color:var(--brand)}
.hero-sub{color:var(--muted);margin:0 0 12px}
.hero-cta{display:flex;gap:12px}
.hero-illustration{width:360px}
.welcome-steps.small{display:flex;flex-direction:column;gap:12px}
.welcome-step{background:#0f141b;border:1px solid #243244;border-radius:12px;padding:12px;display:flex;gap:10px;align-items:flex-start;min-height:0}
.step-num{background:var(--accent);color:#fff;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700}
.step-title{font-weight:700;color:var(--brand)}
.step-desc{color:var(--text);font-size:0.95rem}

/* Features */
.features{margin-top:26px}
.features h3{margin:0 0 12px}
.features-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card.feature{padding:14px}
.feature-title{font-weight:700}

/* Credits & contact */
.credits, .contact{margin-top:18px;padding:12px;background:#0f141b;border:1px solid #243244;border-radius:12px}

/* Author */
.author{margin-top:18px;padding:20px;background:#0f141b;border:1px solid #243244;border-radius:12px;min-height:220px;display:flex;gap:18px;align-items:flex-start}
.author .avatar{width:120px;height:120px;border-radius:12px;background:linear-gradient(135deg,#0e1720,#12202a);border:1px solid #1f2b38;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:700}
.author .bio{flex:1}
.author h3{margin-top:0}
/* Make the main author bio text more prominent */
.author .bio .tiny{color:var(--text);font-size:1rem;line-height:1.45}
/* Keep the muted helper text muted */
.author .bio .tiny.muted{color:var(--muted);font-size:0.9rem}
@media (max-width:900px){.author{flex-direction:column;align-items:stretch}.author .avatar{width:100%;height:110px}}

.about-footer{margin-top:20px;display:flex;justify-content:center}

/* Buttons */
.button{display:inline-block;background:var(--accent);color:#fff;padding:10px 16px;border-radius:12px;text-decoration:none;font-weight:700}
.button.ghost{background:transparent;border:1px solid #2b3b4e;color:var(--text)}

/* Responsive */
@media (max-width:900px){
  .hero{flex-direction:column}
  .hero-illustration{width:100%}
  .features-grid{grid-template-columns:1fr}
}

/* Mobile specific tweaks */
@media (max-width:600px){
  #aboutApp{margin:20px 12px;padding:16px}
  .about-header{flex-direction:column;align-items:flex-start;gap:8px}
  .about-nav{position:static;margin-left:auto;width:100%;display:flex;justify-content:flex-end;gap:10px}
  .hero-inner{padding:16px}
  .hero-title{font-size:1.6rem}
  .steps-row{margin:14px 0}
  .welcome-steps{flex-direction:column;gap:10px}
  .welcome-step{padding:12px;min-height:0}
  .features-grid{grid-template-columns:1fr}
  .author{flex-direction:column;min-height:auto}
  .author .avatar{width:100%;height:110px}
  .btn-row .button, .hero-cta .button{width:100%}
  .author .bio .tiny{font-size:0.98rem}
}