/* ============================================================
   Achieve IS — shared stylesheet
   Palette: Scalentric sky-blue signal on Achieve IS warm-cream/ink grounds
   Ocean #0E6BA8 / Sky #4FA8D9 · cream canvas · near-black dark sections
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --black:#0a0a0a;
  --off-black:#111111;
  --charcoal:#1c1c1c;
  --ink-muted:#3a3a3a;
  --ink-soft:#484848;
  --ink-subtle:#5f5f5f;
  --rule:#d4d0cb;
  --rule-light:#e8e5e0;
  --bg:#f7f5f2;
  --white:#ffffff;
  /* Scalentric two-tone sky blue */
  --ocean:#0E6BA8;
  --ocean-dark:#0A5488;
  --sky:#4FA8D9;
  --sky-light:#7DC3E8;
  --blue-pale:#E4F1F9;
  /* on-dark ramp */
  --on-dark:rgba(255,255,255,0.92);
  --on-dark-strong:rgba(255,255,255,0.82);
  --on-dark-body:rgba(255,255,255,0.6);
  --on-dark-muted:rgba(255,255,255,0.45);
  --on-dark-faint:rgba(255,255,255,0.3);
  --on-dark-hairline:rgba(255,255,255,0.08);
  --on-dark-hairline-soft:rgba(255,255,255,0.06);
}
html{scroll-behavior:smooth;scroll-padding-top:76px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{font-family:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--black);overflow-x:hidden;font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}
a,button,input,summary,[role="button"]{touch-action:manipulation}
h1,h2,h3{text-wrap:balance}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--ocean);outline-offset:2px;border-radius:1px}
.skip-link{position:absolute;top:-100px;left:0;background:var(--ocean);color:#fff;padding:10px 20px;font-size:0.85rem;font-weight:500;text-decoration:none;z-index:9999;transition:top 0.2s}
.skip-link:focus{top:0}
.serif{font-family:'EB Garamond',Georgia,'Times New Roman',serif}

/* ── NAV ── */
nav{position:fixed;top:0;left:0;right:0;z-index:200;background:var(--white);border-bottom:1px solid var(--rule);display:flex;align-items:center;justify-content:space-between;padding:0 max(40px,env(safe-area-inset-left)) 0 max(40px,env(safe-area-inset-right));height:60px;gap:16px}
.nav-logo{display:flex;align-items:center;text-decoration:none;flex-shrink:0}
.nav-logo svg{display:block}
.nav-byline{font-size:0.72rem;font-weight:400;letter-spacing:0.01em;color:var(--ink-subtle);margin-left:18px;padding-left:18px;border-left:1px solid var(--rule);white-space:nowrap;flex-shrink:0}
.nav-byline-sep{color:var(--rule);margin:0 4px}
@media(max-width:1100px){.nav-byline{display:none}}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;flex-shrink:0}
.nav-links li a{display:block;padding:0 14px;height:60px;line-height:60px;font-size:0.78rem;font-weight:400;letter-spacing:0.03em;color:var(--ink-muted);text-decoration:none;border-bottom:2px solid transparent;transition:color 0.15s,border-color 0.15s;white-space:nowrap}
.nav-links li a:hover{color:var(--black);border-bottom-color:var(--black)}
.nav-links li a.active{color:var(--black);border-bottom-color:var(--ocean);font-weight:500}
.nav-menu-btn{display:none;background:none;border:none;cursor:pointer;padding:4px;color:var(--black);flex-shrink:0}
@media(max-width:768px){
  nav{padding:0 20px}
  .nav-links{display:none;position:fixed;top:60px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--rule);flex-direction:column;align-items:stretch;gap:0;z-index:199}
  .nav-links.open{display:flex}
  .nav-links li a{height:48px;line-height:48px;padding:0 20px;border-bottom:1px solid var(--rule-light)}
  .nav-links li a:last-child{border-bottom:none}
  .nav-menu-btn{display:flex;align-items:center;justify-content:center}
}

/* ── SHARED PAGE HEADER (interior pages) ── */
.page-head{background:var(--white);border-bottom:1px solid var(--rule);padding:104px 24px 56px}
.page-head-inner{max-width:1180px;margin:0 auto;padding:0 36px}
.page-eyebrow{font-size:0.68rem;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--ocean);display:flex;align-items:center;gap:10px;margin-bottom:16px}
.page-eyebrow::before{content:'';display:block;width:24px;height:1px;background:var(--ocean)}
.page-head h1{font-family:'EB Garamond',Georgia,serif;font-size:clamp(2.4rem,4.5vw,3.4rem);font-weight:500;line-height:1.15;letter-spacing:-0.01em;color:var(--black);margin-bottom:18px}
.page-head h1 em{font-style:italic;color:var(--ocean)}
.page-head p{font-size:1.15rem;font-weight:400;line-height:1.7;color:var(--ink-soft);max-width:640px}

/* ── SECTION SHELL ── */
.wrap{max-width:1180px;margin:0 auto;padding:0 36px}
.section{padding:72px 24px}
.section-tag{font-size:0.68rem;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--ocean);display:flex;align-items:center;gap:10px;margin-bottom:16px}
.section-tag::before{content:'';display:block;width:24px;height:1px;background:var(--ocean)}
h2{font-family:'EB Garamond',Georgia,serif;font-size:clamp(2rem,3.2vw,2.6rem);font-weight:500;line-height:1.18;color:var(--black);letter-spacing:-0.01em}
h2 em{font-style:italic;color:var(--ocean)}
.lead{font-size:1.05rem;font-weight:400;line-height:1.75;color:var(--ink-soft)}
.body-text{font-size:1rem;font-weight:400;line-height:1.8;color:var(--ink-muted)}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-size:0.8rem;font-weight:500;letter-spacing:0.05em;padding:13px 26px;transition:background 0.15s,color 0.15s;cursor:pointer;border:none}
.btn-primary{background:var(--ocean);color:#fff}
.btn-primary:hover{background:var(--ocean-dark)}
.btn-dark{background:var(--black);color:#fff}
.btn-dark:hover{background:var(--charcoal)}
.btn-ghost{color:var(--ink-muted);border-bottom:1px solid var(--rule);padding:0 0 2px;font-weight:400}
.btn-ghost:hover{color:var(--ocean);border-color:var(--ocean)}

/* ── PRODUCT / COURSE CARDS ── */
.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)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:var(--white);border:1px solid var(--rule-light);border-top:2px solid transparent;padding:32px 28px;display:flex;flex-direction:column;transition:border-top-color 0.2s,box-shadow 0.2s;box-shadow:0 1px 2px rgba(10,10,10,0.03)}
.card:hover{border-top-color:var(--ocean);box-shadow:0 8px 24px rgba(10,10,10,0.06)}
.card-icon{width:30px;height:30px;color:var(--ocean);margin-bottom:18px}
.card h3{font-family:'EB Garamond',Georgia,serif;font-size:1.4rem;font-weight:600;color:var(--black);margin-bottom:10px}
.card p{font-size:0.95rem;font-weight:400;line-height:1.65;color:var(--ink-soft);flex:1}
.card-list{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:12px}
.card-list li{font-size:0.95rem;font-weight:400;line-height:1.5;color:var(--ink-muted);padding-left:16px;position:relative}
.card-list li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--sky)}
.card-list a{color:var(--ocean);text-decoration:none;border-bottom:1px solid rgba(14,107,168,0.28);transition:border-color 0.15s}
.card-list a:hover{border-color:var(--ocean)}
.badge-soon{display:inline-block;font-size:0.6rem;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:var(--ocean);border:1px solid rgba(14,107,168,0.4);padding:2px 8px;margin-left:8px;vertical-align:middle}
.card-empty{font-size:0.92rem;color:var(--ink-subtle);font-style:italic}

/* ── DARK CTA STRIP ── */
.cta{background:var(--black);padding:80px 24px;text-align:center}
.cta-inner{max-width:680px;margin:0 auto}
.cta .section-tag{color:var(--sky);justify-content:center}
.cta .section-tag::before{background:var(--sky)}
.cta h2{color:#fff;margin-bottom:16px}
.cta h2 em{color:var(--sky-light)}
.cta p{font-size:1.02rem;font-weight:400;line-height:1.7;color:var(--on-dark-body);margin-bottom:28px}

/* ── FOOTER ── */
footer{background:var(--black);border-top:1px solid var(--on-dark-hairline);padding:56px 24px 32px}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--on-dark-hairline-soft);margin-bottom:28px}
@media(max-width:768px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-top{grid-template-columns:1fr}}
.footer-brand-name{font-family:'EB Garamond',Georgia,serif;font-size:1.1rem;font-weight:500;color:#fff;margin-bottom:10px;display:block;text-decoration:none}
.footer-brand-desc{font-size:0.88rem;font-weight:400;line-height:1.7;color:var(--on-dark-muted);max-width:280px}
.footer-addr{font-style:normal;margin-top:20px;display:flex;flex-direction:column;gap:6px}
.footer-addr a{font-size:0.88rem;color:var(--on-dark-body);text-decoration:none;transition:color 0.15s}
.footer-addr a:hover{color:var(--on-dark)}
.footer-addr span{font-size:0.88rem;color:var(--on-dark-muted)}
.footer-col-head{font-size:0.7rem;font-weight:600;letter-spacing:0.13em;text-transform:uppercase;color:var(--on-dark-muted);margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:0.88rem;font-weight:400;color:var(--on-dark-body);text-decoration:none;transition:color 0.15s}
.footer-links a:hover{color:var(--on-dark)}
.footer-links span{font-size:0.88rem;font-weight:400;color:var(--on-dark-muted)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.footer-copy,.footer-attr{font-size:0.8rem;font-weight:400;color:var(--on-dark-body)}

/* ── HOME HERO (mobile collapse) ── */
@media(max-width:860px){
  .hero{grid-template-columns:1fr !important;min-height:auto !important}
  .hero > div:first-child{padding:48px 24px !important;border-right:none !important}
  .hero > div:last-child{padding:24px 24px 40px !important;border-top:1px solid var(--rule)}
  .hero img{max-height:56vh !important}
}

/* ── REVEAL ── */
.reveal{opacity:1;transform:none}
@media (prefers-reduced-motion: no-preference){
  .js .reveal{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
  .js .reveal.in{opacity:1;transform:none}
  .d1{transition-delay:0.08s}.d2{transition-delay:0.16s}.d3{transition-delay:0.24s}
}