/* ===== Shared dark theme for project detail & blog pages ===== */
:root{
  --dark:#0F172A; --dark-2:#1E293B; --dark-3:#334155;
  --primary:#3B82F6; --primary-2:#60A5FA;
  --purple:#A855F7; --purple-2:#C084FC; --purple-3:#E9D5FF;
  --accent:#F59E0B; --accent-2:#FCD34D;
  --green:#10B981; --green-2:#34D399; --green-3:#A7F3D0;
  --text:#FFFFFF; --text-soft:#E2E8F0; --text-muted:#94A3B8;
  --border:rgba(255,255,255,.08);
  --shadow-lg:0 24px 60px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:#0B1226;color:var(--text-soft);line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh}
body{background:radial-gradient(ellipse at 20% 0%, rgba(99,102,241,.12) 0%, transparent 60%),radial-gradient(ellipse at 100% 100%, rgba(168,85,247,.10) 0%, transparent 60%),#0B1226}
img,svg{max-width:100%;display:block}
a{color:var(--purple-2);text-decoration:none}
a:hover{color:var(--purple-3)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ===== NAV ===== */
nav.top{position:sticky;top:0;z-index:50;padding:16px 0;background:rgba(11,18,38,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
nav.top .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px}
nav .brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:16px;letter-spacing:-.01em}
nav .brand-dot{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--purple));display:flex;align-items:center;justify-content:center;color:white;font-size:13px}
nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0;align-items:center}
nav ul li a{color:var(--text-muted);font-size:14.5px;font-weight:500;padding:8px 14px;border-radius:8px;transition:.15s}
nav ul li a:hover{color:var(--text);background:rgba(255,255,255,.06)}
nav .available-pill{display:inline-flex;align-items:center;gap:7px;color:var(--green-3);font-size:13px;font-weight:600;padding:6px 12px;border-radius:14px;background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3)}
nav .available-pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green-2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.mobile-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:8px}
@media (max-width:880px){
  nav ul.main-menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:var(--dark);padding:16px;gap:4px;border-top:1px solid var(--border)}
  nav ul.main-menu.show{display:flex}
  .mobile-toggle{display:block}
  nav .available-pill{display:none}
}

/* ===== Hero/Detail Top ===== */
.detail-hero{padding:60px 0 50px}
.back-link{display:inline-flex;align-items:center;gap:8px;color:var(--purple-2);font-size:14.5px;font-weight:600;margin-bottom:30px;transition:.15s}
.back-link:hover{color:var(--purple-3);transform:translateX(-3px)}
.back-link svg{transition:.15s}
.detail-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
@media (max-width:980px){.detail-hero-grid{grid-template-columns:1fr;gap:40px}}
.detail-hero h1{font-size:clamp(38px,5.5vw,60px);margin:0 0 20px;font-weight:900;color:var(--text);line-height:1.05;letter-spacing:-.025em}
.detail-hero h1 .gradient{background:linear-gradient(90deg,var(--purple-2) 0%,#E9D5FF 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.detail-hero p.sub{font-size:17px;color:var(--text-soft);margin:0 0 24px;line-height:1.65;max-width:580px}
.detail-meta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.detail-meta span{display:inline-flex;align-items:center;gap:7px;color:var(--text-muted);font-size:13.5px;font-weight:500}
.detail-meta span svg{color:var(--purple-2)}
.detail-tags{display:flex;flex-wrap:wrap;gap:8px}
.detail-tags span{padding:6px 14px;background:rgba(168,85,247,.1);color:var(--purple-2);border:1px solid rgba(168,85,247,.25);border-radius:20px;font-size:12.5px;font-weight:600}

/* Browser frame for hero image */
.browser-frame{background:linear-gradient(135deg,rgba(168,85,247,.15),rgba(99,102,241,.10));border:1px solid var(--border);border-radius:18px;padding:18px;position:relative;backdrop-filter:blur(12px);box-shadow:var(--shadow-lg)}
.browser-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.window-dots{display:flex;gap:6px}
.window-dots span{width:11px;height:11px;border-radius:50%}
.window-dots span:nth-child(1){background:#EF4444}.window-dots span:nth-child(2){background:#F59E0B}.window-dots span:nth-child(3){background:#10B981}
.browser-url{flex:1;height:26px;background:rgba(0,0,0,.4);border-radius:6px;padding:0 12px;color:var(--text-muted);font-size:11.5px;display:flex;align-items:center;font-family:Menlo,Monaco,monospace}
.browser-frame img{border-radius:10px;width:100%;height:auto;display:block}

/* ===== Content sections — purple headings ===== */
section.detail-section{padding:48px 0}
.detail-section h2{font-size:clamp(28px,3.6vw,38px);font-weight:800;color:var(--purple-2);margin:0 0 24px;letter-spacing:-.018em;line-height:1.15}
.detail-section h3{font-size:22px;font-weight:700;color:var(--text);margin:32px 0 14px}
.detail-section p{font-size:16px;color:var(--text-soft);margin:0 0 18px;line-height:1.75;max-width:820px}
.detail-section p b, .detail-section p strong{color:var(--text)}
.detail-section ul, .detail-section ol{padding-left:0;list-style:none;margin:18px 0}
.detail-section ul li{position:relative;padding:8px 0 8px 30px;color:var(--text-soft);font-size:15.5px;line-height:1.7}
.detail-section ul li::before{content:"";position:absolute;left:0;top:18px;width:8px;height:8px;border-radius:50%;background:var(--purple-2);box-shadow:0 0 0 4px rgba(168,85,247,.15)}

/* Challenge callout */
.callout-box{background:linear-gradient(135deg,rgba(168,85,247,.07),rgba(99,102,241,.04));border:1px solid rgba(168,85,247,.18);border-left:4px solid var(--purple);border-radius:14px;padding:28px 32px;margin:24px 0}
.callout-box p:last-child{margin-bottom:0}

/* Results callout (green) */
.callout-results{background:linear-gradient(135deg,rgba(16,185,129,.10),rgba(20,184,166,.05));border:1px solid rgba(16,185,129,.22);border-left:4px solid var(--green);border-radius:14px;padding:28px 32px;margin:24px 0}
.callout-results ul li::before{content:"";background:var(--green-2);box-shadow:0 0 0 4px rgba(16,185,129,.15)}

/* Numbered deep dive */
.numbered-list{display:flex;flex-direction:column;gap:14px;margin:24px 0}
.numbered-item{background:rgba(15,23,42,.5);border:1px solid var(--border);border-radius:14px;padding:22px 24px;display:flex;gap:20px;align-items:flex-start}
.numbered-item .num-badge{flex-shrink:0;width:42px;height:42px;border-radius:10px;background:var(--purple);color:white;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px}
.numbered-item .num-text{flex:1;font-size:15.5px;color:var(--text-soft);line-height:1.7;padding-top:8px}
.numbered-item .num-text b{color:var(--text)}

/* Quote / lessons */
.lesson-card{background:rgba(15,23,42,.5);border:1px solid var(--border);border-radius:12px;padding:20px 24px;margin-bottom:12px;font-style:italic;color:var(--text-soft);font-size:15px;line-height:1.65}
.lesson-card::before{content:""}

/* Related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
@media (max-width:880px){.related-grid{grid-template-columns:1fr}}
.related-card{background:rgba(15,23,42,.5);border:1px solid var(--border);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:.2s;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-3px);border-color:rgba(168,85,247,.3);box-shadow:0 16px 32px rgba(0,0,0,.3)}
.related-card .ri{aspect-ratio:16/10;overflow:hidden;background:var(--dark-2)}
.related-card .ri img{width:100%;height:100%;object-fit:cover}
.related-card .rb{padding:16px 18px}
.related-card h4{margin:0 0 6px;font-size:15px;color:var(--text);font-weight:700;line-height:1.35}
.related-card span{font-size:12px;color:var(--purple-2);font-weight:600}

/* CTA box */
.cta-box{background:linear-gradient(135deg,rgba(168,85,247,.12),rgba(99,102,241,.06));border:1px solid rgba(168,85,247,.25);border-radius:18px;padding:42px 36px;text-align:center;margin:40px auto 0;max-width:880px}
.cta-box h3{margin:0 0 12px;color:var(--text);font-size:24px;font-weight:800;letter-spacing:-.015em}
.cta-box p{color:var(--text-soft);font-size:15.5px;margin:0 auto 24px;max-width:600px;line-height:1.65}
.cta-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:11px;font-weight:600;font-size:14.5px;cursor:pointer;transition:.18s;border:1px solid transparent;text-decoration:none}
.btn-primary{background:var(--purple);color:white;box-shadow:0 6px 18px rgba(168,85,247,.35)}
.btn-primary:hover{background:#9333EA;transform:translateY(-1px)}
.btn-wa{background:#25D366;color:white}
.btn-wa:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(37,211,102,.35)}
.btn-outline{background:rgba(255,255,255,.06);color:var(--text);border-color:rgba(255,255,255,.18)}
.btn-outline:hover{background:rgba(255,255,255,.12)}

/* Footer */
footer{background:#080F1F;border-top:1px solid var(--border);color:var(--text-muted);padding:50px 0 28px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;margin-bottom:32px}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr}}
footer .f-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;color:var(--text);font-weight:800;font-size:17px}
footer .f-brand .dot{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--purple))}
footer p{margin:0 0 14px;color:var(--text-muted);font-size:13.5px;line-height:1.65}
footer h5{color:var(--text);font-size:13.5px;font-weight:800;margin:0 0 14px;letter-spacing:.04em;text-transform:uppercase}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:7px}
footer ul li a{color:var(--text-muted);font-size:13.5px}
footer ul li a:hover{color:var(--purple-2)}
footer .f-bottom{border-top:1px solid var(--border);padding-top:22px;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}

/* WhatsApp float */
.wa-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(37,211,102,.4);transition:.2s;z-index:40}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:32px;height:32px;color:white}

/* Blog-specific */
.blog-post{padding:40px 0 60px}
.blog-post h1{font-size:clamp(32px,4.5vw,48px);font-weight:900;color:var(--text);margin:0 0 14px;letter-spacing:-.025em;line-height:1.15}
.blog-post .meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--text-muted);font-size:13.5px;margin-bottom:24px}
.blog-post p.intro{font-size:18px;color:var(--text-soft);font-weight:400;line-height:1.7;margin:0 0 30px;border-left:3px solid var(--purple);padding-left:20px;font-style:italic}
.blog-post h2{font-size:28px;color:var(--purple-2);font-weight:800;margin:36px 0 16px;letter-spacing:-.015em}
.blog-post h3{font-size:21px;color:var(--text);font-weight:700;margin:28px 0 12px}
.blog-post p{font-size:16px;color:var(--text-soft);line-height:1.8;margin:0 0 18px}
.blog-post p b, .blog-post strong{color:var(--text);font-weight:700}
.blog-post ul, .blog-post ol{margin:18px 0;padding:0;list-style:none}
.blog-post ul li{position:relative;padding:6px 0 6px 26px;color:var(--text-soft);font-size:15.5px;line-height:1.7}
.blog-post ul li::before{content:"";position:absolute;left:0;top:16px;width:7px;height:7px;border-radius:50%;background:var(--purple-2)}
.blog-post ol{counter-reset:n}
.blog-post ol li{position:relative;padding:6px 0 6px 32px;counter-increment:n;color:var(--text-soft);font-size:15.5px;line-height:1.7}
.blog-post ol li::before{content:counter(n);position:absolute;left:0;top:7px;width:22px;height:22px;border-radius:50%;background:var(--purple);color:white;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.blog-post code{background:rgba(168,85,247,.12);color:var(--purple-2);padding:2px 7px;border-radius:5px;font-size:13.5px;font-family:Menlo,Monaco,monospace}
.blog-post pre{background:rgba(0,0,0,.4);border:1px solid var(--border);padding:18px;border-radius:12px;overflow-x:auto;margin:20px 0}
.blog-post pre code{background:none;padding:0;color:var(--text-soft);font-size:13px;line-height:1.6}
.blog-post blockquote{border-left:3px solid var(--accent);padding:16px 20px;margin:24px 0;background:rgba(245,158,11,.06);color:var(--text-soft);font-style:italic}
.blog-post blockquote p{margin:0}