/* BuildLayers.co — public site styles.
   Brand colors are injected as CSS variables by branding_css_tag():
   --primary --secondary --accent --dark --light  (do not redefine here). */

:root{
  --ink:#0f1b2d; --ink-soft:#33425a; --muted:#647089; --faint:#93a0b5;
  --surface:#ffffff; --surface-2:#f3f6fb; --line:#e3e9f2; --line-strong:#d2dae8;
  --radius:16px; --radius-sm:11px; --radius-xs:8px;
  --shadow-sm:0 1px 2px rgba(15,27,45,.06),0 2px 6px rgba(15,27,45,.05);
  --shadow-md:0 10px 28px rgba(15,27,45,.10);
  --shadow-lg:0 26px 60px rgba(15,27,45,.16);
  --maxw:1160px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink-soft);background:var(--light,#f8fafc);
  line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--secondary);text-decoration:none;transition:color .15s}
a:hover{color:var(--primary)}
h1,h2,h3,h4{color:var(--ink);line-height:1.18;font-weight:800;letter-spacing:-.02em;margin:0}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  font-weight:700;font-size:1rem;line-height:1;padding:14px 26px;border:0;border-radius:11px;
  background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(15,27,45,.18);
  transition:transform .08s,box-shadow .15s,background .15s,filter .15s;white-space:nowrap}
.btn:hover{color:#fff;filter:brightness(1.07);box-shadow:0 8px 20px rgba(30,58,95,.28)}
.btn:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#1f1300}
.btn-accent:hover{color:#1f1300}
.btn-outline{background:transparent;border:1.5px solid var(--line-strong);color:var(--primary);box-shadow:none}
.btn-outline:hover{border-color:var(--primary);background:var(--surface-2);color:var(--primary);box-shadow:none}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff}
.btn-yt{background:#ff0000;color:#fff}.btn-yt:hover{color:#fff}
.btn-sm{padding:9px 16px;font-size:.9rem;border-radius:9px}
.btn-lg{padding:17px 34px;font-size:1.08rem;border-radius:13px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:70px;gap:18px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-logo{width:40px;height:40px;border-radius:9px}
.brand-name{font-weight:900;font-size:1.32rem;letter-spacing:-.03em;color:var(--ink)}
.site-nav{display:flex;align-items:center;gap:6px}
.site-nav a{color:var(--ink-soft);font-weight:600;font-size:.97rem;padding:9px 14px;border-radius:9px}
.site-nav a:hover{color:var(--primary);background:var(--surface-2)}
.site-nav a.active{color:var(--primary)}
.site-nav a.btn-yt{color:#fff}.site-nav a.btn-yt:hover{color:#fff;background:#ff0000}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--ink);cursor:pointer;padding:4px 8px}

/* ---------- Blueprint backdrop ---------- */
.blueprint-bg{position:relative;overflow:hidden}
.blueprint-bg::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(120% 100% at 70% 0%,#000 30%,transparent 78%);
  pointer-events:none}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(140% 120% at 80% -10%,var(--secondary) 0%,var(--primary) 46%,var(--dark) 100%)}
.hero .container{position:relative;z-index:2;padding-top:96px;padding-bottom:104px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;font-size:.78rem;color:#fff;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);padding:7px 15px;border-radius:999px;margin-bottom:24px}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hero h1{font-size:clamp(2.6rem,6vw,4.4rem);font-weight:900;letter-spacing:-.04em;color:#fff;margin:0 0 6px}
.hero .subhead{font-size:clamp(1.1rem,2vw,1.5rem);color:rgba(255,255,255,.82);font-weight:600;margin:0 0 26px}
.hero .promise{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;color:#fff;line-height:1.15;margin:0 0 34px;max-width:18ch}
.hero .promise .accent{color:var(--accent)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-services{margin-top:34px;display:flex;gap:10px 26px;flex-wrap:wrap;color:rgba(255,255,255,.78);font-weight:600;font-size:.95rem}
.hero-services span{display:inline-flex;align-items:center;gap:9px}
.hero-services span::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent)}

/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-tight{padding:52px 0}
.section-head{max-width:680px;margin:0 auto 46px;text-align:center}
.section-eyebrow{font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.78rem;color:var(--secondary);margin-bottom:12px}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem)}
.section-head p{font-size:1.08rem;color:var(--muted);margin-top:12px}
.bg-soft{background:var(--surface-2)}
.bg-ink{background:var(--dark);color:#cdd6e6}

/* ---------- Cards grid ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-5{grid-template-columns:repeat(5,1fr)}

.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s,border-color .18s}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong)}
.feature .ficon{width:50px;height:50px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:color-mix(in srgb,var(--secondary) 14%,#fff);color:var(--primary);font-weight:900;font-size:1.2rem}
.feature h3{font-size:1.18rem;margin-bottom:8px}
.feature p{margin:0;color:var(--muted);font-size:.96rem}

/* ---------- Method flow ---------- */
.method{display:flex;align-items:stretch;justify-content:center;gap:0;flex-wrap:wrap}
.method-step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px 22px;min-width:172px;text-align:center;box-shadow:var(--shadow-sm);flex:1}
.method-step .n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;
  background:var(--primary);color:#fff;font-weight:800;font-size:.85rem;margin-bottom:10px}
.method-step h4{font-size:1.04rem}
.method-arrow{display:flex;align-items:center;color:var(--accent);font-size:1.7rem;font-weight:700;padding:0 8px}

/* ---------- Video ---------- */
.video-feature{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-md)}
.video-embed{position:relative;aspect-ratio:16/9;border-radius:var(--radius-sm);overflow:hidden;background:#000}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-feature h3{font-size:1.5rem;margin-bottom:10px}
.video-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s;display:flex;flex-direction:column}
.video-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.video-thumb{position:relative;aspect-ratio:16/9;background:#0b1424 center/cover no-repeat}
.video-thumb .play{position:absolute;inset:0;display:grid;place-items:center}
.video-thumb .play::after{content:"";width:0;height:0;border-left:22px solid #fff;border-top:13px solid transparent;
  border-bottom:13px solid transparent;filter:drop-shadow(0 2px 6px rgba(0,0,0,.5));margin-left:5px}
.video-card .v-body{padding:14px 16px}
.video-card h4{font-size:1rem;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .v-date{color:var(--faint);font-size:.78rem;margin-top:6px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}

/* ---------- Resources ---------- */
.res-cat{margin-bottom:34px}
.res-cat h3{font-size:1.2rem;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--line)}
.res-card{display:flex;justify-content:space-between;align-items:center;gap:18px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:box-shadow .15s,transform .15s}
.res-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.res-card h4{font-size:1.05rem;margin-bottom:3px}
.res-card p{margin:0;color:var(--muted);font-size:.93rem}

/* ---------- Project ---------- */
.project{display:grid;grid-template-columns:1fr 1fr;gap:0;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.project .p-img{background:var(--primary) center/cover no-repeat;min-height:280px}
.project .p-body{padding:40px}
.project .p-body h3{font-size:1.7rem;margin-bottom:14px}

/* ---------- Opt-in ---------- */
.optin{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-md)}
.optin-heading{font-size:1.45rem;margin-bottom:6px}
.optin-sub{color:var(--muted);margin-bottom:20px}
.optin-form{display:flex;flex-wrap:wrap;gap:11px}
.optin-form input{flex:1 1 170px;min-width:0;height:50px;padding:0 16px;border:1px solid var(--line-strong);
  border-radius:11px;font-size:1rem;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s}
.optin-form input::placeholder{color:#9aa6ba}
.optin-form input:focus{outline:0;border-color:var(--secondary);box-shadow:0 0 0 3px color-mix(in srgb,var(--secondary) 25%,transparent)}
.optin-form .btn{flex:0 0 auto;height:50px}
/* local_lead mode: stacked form with a job-description textarea */
.optin-form-stacked{flex-direction:column;align-items:stretch}
.optin-form-stacked input,.optin-form-stacked .optin-job,.optin-form-stacked .btn{width:100%;flex:0 0 auto}
.optin-job{min-height:96px;padding:12px 16px;border:1px solid var(--line-strong);border-radius:11px;
  font-family:inherit;font-size:1rem;color:var(--ink);background:#fff;resize:vertical}
.optin-job::placeholder{color:#9aa6ba}
.optin-job:focus{outline:0;border-color:var(--secondary);box-shadow:0 0 0 3px color-mix(in srgb,var(--secondary) 25%,transparent)}
.optin-cta{background:linear-gradient(135deg,var(--primary),var(--dark));color:#fff;border:0}
.optin-cta .optin-heading{color:#fff}.optin-cta .optin-sub{color:rgba(255,255,255,.78)}
.optin-cta .optin-form input{background:rgba(255,255,255,.96);border-color:transparent}

/* ---------- Final CTA ---------- */
.final-cta{position:relative;overflow:hidden;text-align:center;color:#fff;border-radius:var(--radius);
  padding:62px 30px;background:radial-gradient(120% 140% at 50% 0%,var(--secondary),var(--primary) 55%,var(--dark))}
.final-cta h2{color:#fff;font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:12px}
.final-cta p{color:rgba(255,255,255,.85);font-size:1.1rem;margin-bottom:26px}
.final-cta .hero-cta{justify-content:center}

/* ---------- Article / page ---------- */
.page-hero{background:var(--surface-2);border-bottom:1px solid var(--line);padding:56px 0 44px}
.page-hero h1{font-size:clamp(2rem,4vw,3rem)}
.page-hero p{color:var(--muted);font-size:1.12rem;margin-top:10px;max-width:60ch}
.prose{max-width:760px;margin:0 auto;font-size:1.08rem;color:#27364d}
.prose h2{font-size:1.6rem;margin:36px 0 12px}
.prose h3{font-size:1.25rem;margin:28px 0 10px}
.prose p{margin:0 0 1.1rem}
.prose ul,.prose ol{padding-left:22px;margin:0 0 1.1rem}
.prose li{margin:.4rem 0}
.prose a{font-weight:600;text-decoration:underline;text-underline-offset:2px}
.prose img{border-radius:var(--radius-sm);margin:18px 0;border:1px solid var(--line)}

/* ---------- Contact / forms ---------- */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-md)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px;font-size:.94rem}
.field input,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line-strong);border-radius:10px;
  font-size:1rem;font-family:inherit;color:var(--ink);background:#fff}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--secondary);box-shadow:0 0 0 3px color-mix(in srgb,var(--secondary) 22%,transparent)}

/* ---------- Flash ---------- */
.flash{padding:14px 18px;border-radius:11px;margin:0 0 18px;font-weight:500}
.flash-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.flash-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.flash-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#9fb0c8;margin-top:0;padding:60px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:34px}
.footer-logo{display:flex;align-items:center;gap:11px;color:#fff;font-weight:900;font-size:1.2rem}
.footer-logo .brand-logo{width:34px;height:34px;border-radius:8px}
.footer-tag{color:var(--accent);font-weight:700;margin:14px 0 8px}
.footer-philosophy{font-size:.92rem;color:#7e8ea8;line-height:1.7}
.footer-col h4{color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.footer-col a{display:block;color:#9fb0c8;padding:5px 0;font-size:.95rem}
.footer-col a:hover{color:#fff}
/* Footer CTA button: proper button box at ALL widths (mobile + desktop) */
.site-footer a.btn{display:inline-flex;align-items:center;justify-content:center;width:auto;padding:9px 16px;color:#1f1300;text-align:center;white-space:nowrap}
.footer-connect .social{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.footer-connect .social a{padding:0}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:38px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);font-size:.84rem;color:#74859f}

/* reveal on load */
.reveal{opacity:0;transform:translateY(14px);animation:rise .6s ease forwards}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .grid-4,.grid-5{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .video-feature,.project{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .nav-toggle{display:block}
  .site-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 16px;display:none;box-shadow:var(--shadow-lg)}
  .site-nav.open{display:flex}
  .site-nav a{padding:12px}
  .hero .container{padding-top:64px;padding-bottom:72px}
  .grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .method-arrow{transform:rotate(90deg)}
  .method{flex-direction:column}
}
@media (max-width:520px){
  .optin-form{flex-direction:column}
  .optin-form input,.optin-form .btn{width:100%;flex:0 0 auto}
  .hero-cta{flex-direction:column}.hero-cta .btn{width:100%}
}

/* ============================================================
   V1.0 QA stabilization — desktop alignment only (>=761px).
   Mobile (<=760px) is intentionally left untouched.
   ============================================================ */
@media (min-width:761px){
  /* Issue 4 — center the homepage hero within the shared container */
  .hero .container{text-align:center}
  .hero .promise{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-services{justify-content:center}

  /* Issue 3 — center page-hero headers so they align with the
     centered page content (same .container system across all pages) */
  .page-hero{text-align:center}
  .page-hero p{margin-left:auto;margin-right:auto}

  /* Task 5 — Resources page uses the full desktop width.
     Single-item categories no longer leave the right half empty;
     cards become full-width list rows (same card design). */
  .res-cat .grid{grid-template-columns:1fr}
  .res-card{padding:22px 26px}
  .res-card h4{font-size:1.12rem}

  /* Task 6 — give resource list rows comfortable desktop balance */
  .res-card p{max-width:70ch}
}