/* Studio 3 Points - light, minimal, indigo accent, centered sections, sharp corners */
:root{
  --indigo:#3B4EE0;
  --indigo-dark:#2c3cc0;
  --ink:#171a2b;
  --ink-soft:#3c4256;
  --muted:#707687;
  --line:#e7e8ef;
  --bg:#ffffff;
  --bg-alt:#f5f6fb;
  --dark:#141626;
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:88px 0}
h1,h2,h3{line-height:1.16;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
h2{font-size:clamp(27px,3.4vw,40px)}
h3{font-size:19px}
p{color:var(--ink-soft)}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--indigo);margin-bottom:14px}
.lead{font-size:18px;color:var(--muted);max-width:620px}
.center{text-align:center}
.center .lead{margin:0 auto}
.head{max-width:680px;margin:0 auto 50px}

.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;padding:14px 26px;border:2px solid var(--indigo);background:var(--indigo);color:#fff;cursor:pointer;transition:.15s;border-radius:0}
.btn:hover{background:var(--indigo-dark);border-color:var(--indigo-dark)}
.btn--outline{background:transparent;color:var(--indigo)}
.btn--outline:hover{background:var(--indigo);color:#fff}
.btn--light{background:#fff;border-color:#fff;color:var(--indigo)}
.btn--light:hover{background:var(--indigo-dark);border-color:var(--indigo-dark);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:26px;height:74px}
.brand img{height:38px}
.nav-links{display:flex;gap:24px;margin-left:auto;list-style:none}
.nav-links a{font-weight:600;font-size:14.5px;color:var(--ink-soft);padding:6px 0}
.nav-links a:hover{color:var(--indigo)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:3px;background:var(--ink);display:block}

/* Hero split */
.hero{background:var(--bg-alt);border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:70px 0}
.hero-copy h1{font-size:clamp(32px,4.4vw,50px);margin-bottom:18px}
.hero-copy p{font-size:18px;max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-media img{width:100%;height:420px;object-fit:cover;border:1px solid var(--line)}
.age-inline{margin-top:8px}
.age-inline .lbl{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--muted);text-transform:uppercase;margin-bottom:12px}
.age-row{display:flex;gap:10px;flex-wrap:wrap}
.age-btn{border:2px solid var(--line);background:#fff;padding:11px 16px;font-size:14.5px;font-weight:700;color:var(--ink);cursor:pointer;transition:.15s;border-radius:0}
.age-btn:hover,.age-btn.is-active{border-color:var(--indigo);background:var(--indigo);color:#fff}

/* Age standalone diag */
.diag{background:#fff}
.diag .age-row{justify-content:center;margin-top:30px}
.diag .age-btn{padding:16px 26px;font-size:16px}
.diag-note{margin-top:18px;font-size:14px;color:var(--muted)}

/* Feature icons row */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:50px}
.feature{text-align:center}
.feature .ic{width:60px;height:60px;margin:0 auto 16px;border:2px solid var(--indigo);display:flex;align-items:center;justify-content:center}
.feature .ic svg{width:28px;height:28px;stroke:var(--indigo);fill:none;stroke-width:2}
.feature h3{font-size:16px;margin-bottom:8px}
.feature p{font-size:14px;color:var(--muted)}

/* Module cards */
.modules{background:var(--bg-alt)}
.mod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:50px;background:var(--line);border:1px solid var(--line)}
.mod{background:#fff;padding:32px 28px;transition:.15s}
.mod:hover{background:var(--bg-alt)}
.mod .n{font-size:13px;font-weight:800;color:var(--indigo);letter-spacing:.1em}
.mod h3{margin:10px 0 10px}
.mod p{font-size:14.5px;color:var(--muted)}

/* Showcase (phone / practical use) */
.showcase{background:#fff}
.showcase-inner{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.showcase-media img{width:100%;height:auto;display:block;border:1px solid var(--line)}
.showcase-copy h2{margin-bottom:16px}
.showcase-copy p{font-size:16px;margin-bottom:22px}
.showcase-list{list-style:none;display:flex;flex-direction:column;gap:13px}
.showcase-list li{position:relative;padding-left:30px;font-size:15px;color:var(--ink-soft)}
.showcase-list li::before{content:"";position:absolute;left:6px;top:4px;width:7px;height:13px;border:solid var(--indigo);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}

/* Audience cards */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:50px}
.aud{border:1px solid var(--line);border-bottom:4px solid var(--indigo);padding:28px 24px}
.aud h3{font-size:17px;margin-bottom:10px}
.aud p{font-size:14px;color:var(--muted)}

/* Process steps */
.process{background:var(--dark);color:#fff}
.process h2{color:#fff}
.process .lead{color:#b7bbcf}
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:50px}
.proc{background:#1e2136;border:1px solid #2b2f4a;padding:30px 24px;position:relative}
.proc .num{font-size:34px;font-weight:800;color:var(--indigo);line-height:1}
.proc h3{color:#fff;font-size:17px;margin:14px 0 0}

/* CTA */
.cta{background:var(--indigo);color:#fff;text-align:center}
.cta h2{color:#fff}
.cta .eyebrow{color:#cdd3ff}
.cta p{color:#e2e5ff;max-width:600px;margin:0 auto}
.cta .age-row{justify-content:center;margin:30px 0}
.cta .age-btn{background:transparent;border-color:#6d7bea;color:#fff}
.cta .age-btn:hover,.cta .age-btn.is-active{background:#fff;border-color:#fff;color:var(--indigo)}

/* FAQ */
.faq-list{max-width:860px;margin:40px auto 0;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:22px 44px 22px 0;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer;position:relative}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:24px;color:var(--indigo)}
.faq-item.open .faq-q::after{content:"–"}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 0 22px;color:var(--muted)}

/* Contact */
.contact{background:var(--bg-alt)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;margin-top:44px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:700;color:var(--ink-soft)}
input,select,textarea{font-family:inherit;font-size:15px;padding:13px 14px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:2px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--indigo)}
textarea{min-height:120px;resize:vertical}
.map-side img{width:100%;border:1px solid var(--line);background:#fff;padding:18px}
.map-side .addr{margin-top:20px;font-size:15px;color:var(--ink-soft)}
.map-side .addr strong{display:block;color:var(--ink);margin-bottom:4px}
.form-note{font-size:13px;color:var(--muted);margin-top:8px}

/* Footer */
.site-footer{background:var(--dark);color:#a9adc4;padding:64px 0 28px}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px}
.site-footer img{height:38px;margin-bottom:18px}
.site-footer h4{color:#fff;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:10px;font-size:14px}
.site-footer a:hover{color:#fff}
.foot-about p{font-size:14px;color:#868bab;max-width:340px}
.disclaimer{border-top:1px solid #2b2f4a;margin-top:40px;padding-top:22px;font-size:12.5px;color:#7b80a0;line-height:1.7}
.copyright{margin-top:14px;font-size:12.5px;color:#6a6f8e}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:48px 0}
  .hero-media{order:-1}
  .features,.aud-grid,.proc-grid{grid-template-columns:1fr 1fr}
  .mod-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr}
  .showcase-inner{grid-template-columns:1fr;gap:32px}
}
@media(max-width:640px){
  section{padding:56px 0}
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 24px;border-bottom:1px solid var(--line);margin:0}
  .nav-links.open{display:flex}
  .burger{display:flex}
  .features,.aud-grid,.proc-grid,.mod-grid,.form-grid,.foot-top{grid-template-columns:1fr}
}