/* =====================================================================
   Nautilus AI Academy - DARK ON LIGHT
   Palette derived from the compass logo: deep admiralty navy, maritime
   blue, warm brass-gold, parchment ivory. Display: Fraunces. Body: Libre
   Franklin. Signature: the compass rose (navigation = the brand promise).
   ===================================================================== */

:root{
  --navy:#0c102d;
  --navy-2:#0C102D;
  --navy-deep:#1c1c84;
  --blue:#8b1a1a;
  --gold:#E0972A;
  --gold-2:#f2b957;
  --ivory:#F7F2E8;
  --ivory:#ffffff;
  --parch:#EFE6D5;
  --ink:#000000;
  --slate:#444444;
  --line-l:rgba(21,36,48,.12);
  --line-d:rgba(224,151,42,.28);
  --shadow:0 24px 60px -28px rgba(6,28,48,.45);
  --wrap:1180px;
  --serif:"Poppins",system-ui,sans-serif;
  --sans:"Poppins",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--ivory);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.sprite{position:absolute}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}

h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.08;letter-spacing:-.01em;margin:0}
h2{font-size:clamp(2rem,4vw,3rem)}
p{margin:0}

.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy-deep);
  padding:10px 16px;border-radius:0 0 8px 0;font-weight:600;z-index:200}
.skip:focus{left:0}

:focus-visible{outline:2.5px solid var(--gold);outline-offset:3px;border-radius:2px}

/* ---------- shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-size:.88rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;
  color:var(--blue);margin:0 0 24px;
}
.eyebrow--light{color:var(--gold-2)}
.star{width:12px;height:12px;fill:var(--gold);flex:none}
.ico{width:1em;height:1em;stroke:currentColor;flex:none;transition:transform .3s ease}

.btn{
  display:inline-flex;align-items:center;gap:.55em;
  font-family:var(--sans);font-weight:600;font-size:.98rem;letter-spacing:.01em;
  padding:15px 26px;border-radius:999px;cursor:pointer;border:1.5px solid transparent;
  transition:transform .25s ease,background .25s ease,color .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.btn--gold{background:var(--gold);color:var(--navy-deep);box-shadow:0 12px 28px -12px rgba(224,151,42,.6)}
.btn--gold:hover{background:var(--gold-2);transform:translateY(-2px)}
.btn--gold:hover .ico{transform:translateX(4px)}
.btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-2);transform:translateY(-2px)}

.section-head{max-width:640px;margin:0 auto 58px;text-align:center}
.section-head__sub{color:var(--slate);margin-top:16px;font-size:1.06rem}

/* ===================== NAV ===================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:#0c102d;transition:box-shadow .4s ease,padding .3s ease;padding:8px 0}
.nav__inner{display:flex;align-items:center;justify-content:space-between}
.nav__logo{height:46px;width:auto;transition:height .3s ease}
.nav.scrolled{box-shadow:0 1px 0 var(--line-d)}
.nav.scrolled .nav__logo{height:38px}
.nav__links{display:flex;align-items:center;gap:34px}
.nav__links a{color:rgba(255,255,255,.82);font-size:.95rem;font-weight:500;transition:color .2s}
.nav__links a:hover{color:var(--gold-2)}
.nav__cta{border:1.5px solid rgba(255,255,255,.32);padding:9px 20px;border-radius:999px}
.nav__links .nav__cta:hover{border-color:var(--gold);color:var(--gold-2)}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav__toggle span{width:26px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.mobile{display:flex;flex-direction:column;background:#0c102d;backdrop-filter:blur(10px);padding:8px 28px 22px}
.mobile[hidden]{display:none}
.mobile a{color:rgba(255,255,255,.9);padding:14px 0;border-top:1px solid rgba(255,255,255,.08);font-weight:500}

/* ===================== HERO ===================== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(120% 90% at 78% 8%,rgba(18,96,143,.9),transparent 35%),
    linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);
  color:#fff;padding:200px 0 130px;
}
.hero__inner{position:relative;z-index:2;max-width:960px}
.hero__title{
  font-size:clamp(2.6rem,6vw,4.7rem);font-weight:600;letter-spacing:-.02em;
  margin:0 0 26px;
}
.hero__sub{font-size:clamp(1.05rem,1.6vw,1.28rem);color:rgba(255,255,255,.9);max-width:640px;line-height:1.62}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin:38px 0 0}
.hero__note{margin-top:30px;font-size:.86rem;letter-spacing:.03em;color:rgba(224,151,42,.9)}

/* compass rose signature */
.compass{position:absolute;top:50%;right:-12%;transform:translateY(-50%);
  width:min(720px,66vw);aspect-ratio:1;z-index:1;opacity:.9;pointer-events:none}
.compass--sm{width:min(560px,80vw);right:auto;left:50%;top:50%;transform:translate(-50%,-50%);opacity:.7}
.compass__svg{width:100%;height:100%;overflow:visible}
.compass__rose{transform-origin:300px 300px;animation:spin 140s linear infinite}
.compass .ring{fill:none;stroke:var(--gold);stroke-width:1;opacity:.7}
.compass .ring.thin{opacity:.7}
.compass .ticks line{stroke:var(--gold);opacity:.7}
.compass .pt{fill:var(--gold);opacity:.7}
.compass .pt--n{opacity:.7}
.compass .pt2{fill:#7fb4d8;opacity:.7}
@keyframes spin{to{transform:rotate(360deg)}}

/* ===================== TRUST ===================== */
.trust{background:var(--navy);color:#fff;padding:30px 0;border-top:1px solid rgba(255,255,255,.06)}
.trust__label{text-align:center;font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:rgba(255,255,255,.45);margin:0 0 16px}
.trust__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;
  gap:14px 40px;font-family:var(--serif);font-size:1.18rem;color:rgba(255,255,255,.72);font-weight:500}
.trust__list li{transition:color .2s}
.trust__list li:hover{color:var(--gold-2)}

/* ===================== MISSION ===================== */
.mission{background:var(--white);padding:62px 0}
.mission__grid{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:start}
.mission__lead h2{font-size:clamp(1.9rem,3.2vw,2.7rem)}
.mission__body{color:var(--slate);margin-top:22px;font-size:1.08rem}
.pillars{display:flex;flex-direction:column;gap:2px}
.pillar{padding:26px 0;border-top:1px solid var(--line-l)}
.pillar:first-child{border-top:0;padding-top:6px}
.pillar__no{display:block;font-family:var(--serif);font-size:1.32rem;font-weight:600;color:var(--navy);margin-bottom:8px}
.pillar p{color:var(--slate)}

/* ===================== APPROACH ===================== */
.approach{background:var(--parch);padding:62px 0}
.approach__grid{display:grid;grid-template-columns:0.99fr 1.2fr;gap:44px;align-items:center}
.approach__media{position:relative}
.approach__media img{border-radius:14px;box-shadow:var(--shadow);width:100%;object-fit:cover}
.approach__badge{position:absolute;right:-24px;bottom:-30px;background:var(--navy);color:#fff;
  border-radius:12px;padding:16px 20px 16px 16px;display:flex;align-items:center;gap:12px;
  box-shadow:var(--shadow);max-width:420px}
.approach__badge img{width:62px;height:auto;flex:none}
.approach__badge span{font-family:var(--serif);font-size:.98rem;line-height:1.2}
.approach__text h2{font-size:clamp(1.9rem,3.2vw,2.7rem);max-width:15ch}
.steps{list-style:none;margin:30px 0 0;padding:0}
.steps li{padding:22px 0 22px 40px;border-top:1px solid var(--line-l);position:relative}
.steps li:first-child{border-top:0}
.steps li::before{content:"";position:absolute;left:0;top:26px;width:16px;height:16px;
  background:var(--gold);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 0 13.6 10.4 24 12 13.6 13.6 12 24 10.4 13.6 0 12 10.4 10.4Z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 0 13.6 10.4 24 12 13.6 13.6 12 24 10.4 13.6 0 12 10.4 10.4Z'/%3E%3C/svg%3E") center/contain no-repeat;}
.steps h3{font-size:1.24rem;margin-bottom:5px}
.steps p{color:var(--slate);font-size:1.01rem}

/* ===================== PROGRAMS ===================== */
.programs{background:var(--ivory);padding:62px 0}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line-l);border-radius:16px;padding:32px 30px;
  display:flex;flex-direction:column;position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold);transform:scaleY(0);transform-origin:top;transition:transform .35s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::before{transform:scaleY(1)}
.card:hover .ico{transform:translateX(4px)}
.card--feature{grid-column:1/-1;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;border-color:transparent;padding:40px 40px}
.card--feature::before{background:var(--gold);width:4px}
.card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.tag{font-size:.7rem;font-weight:600;letter-spacing:.13em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px}
.tag--course{background:var(--gold);color:var(--navy-deep)}
.tag--workshop{background:rgba(18,96,143,.12);color:var(--blue)}
.tag--free{background:rgba(21,36,48,.07);color:var(--slate)}
.rating{font-size:.86rem;font-weight:600;color:var(--gold-2)}
.rating span{color:rgba(255,255,255,.55);font-weight:400}
.card h3{font-size:1.4rem;margin-bottom:12px;letter-spacing:-.01em}
.card--feature h3{font-size:clamp(1.7rem,2.6vw,2.2rem)}
.card__tag{color:var(--gold-2);font-weight:600;margin:-6px 0 12px;font-size:.98rem}
.card p{color:var(--slate);font-size:1.01rem;flex:1}
.card--feature p{color:rgba(233,240,247,.82)}
.card__link{display:inline-flex;align-items:center;gap:.5em;margin-top:22px;
  font-weight:600;color:var(--blue);font-size:.96rem}
.card--feature .card__link{color:var(--gold-2)}

/* ===================== STATS ===================== */
.stats{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;padding:96px 0;text-align:center}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;max-width:940px;margin:0 auto}
.stat{padding:0 10px;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:var(--line-d)}
.stat__num{display:block;font-family:var(--serif);font-size:clamp(2.6rem,5vw,3.6rem);font-weight:600;color:var(--gold-2);line-height:1}
.stat__lbl{display:block;margin-top:12px;font-size:.9rem;color:rgba(233,240,247,.72);letter-spacing:.01em}
.stats__foot{margin:56px auto 0;max-width:640px;color:rgba(233,240,247,.68);font-size:1.02rem}
.stats__foot strong{color:#fff;font-weight:600}

/* ===================== FOUNDERS ===================== */
.founders{background:var(--ivory);padding:62px 0}
.founder{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:center;
  padding:44px 0;border-top:1px solid var(--line-l)}
.founder:first-of-type{border-top:0}
.founder--rev{grid-template-columns:1fr 340px}
.founder--rev .founder__photo{order:2}
.founder__photo{border-radius:16px;overflow:hidden;background:linear-gradient(160deg,var(--navy),var(--navy-deep));box-shadow:var(--shadow)}
.founder__photo img{width:100%;aspect-ratio:1;object-fit:cover}
.founder__photo--cut{display:flex;align-items:flex-end;justify-content:center;padding-top:16px}
.founder__photo--cut img{aspect-ratio:auto;object-fit:contain;filter:drop-shadow(0 18px 24px rgba(6,28,48,.4))}
.founder__role{color:var(--blue);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.74rem;margin-bottom:8px}
.founder__body h3{font-size:clamp(1.7rem,2.6vw,2.2rem);margin-bottom:16px}
.founder__body p{color:var(--slate);font-size:1.05rem}
.founder__links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px}
.founder__links a{display:inline-flex;align-items:center;gap:.4em;font-weight:600;color:var(--navy);
  font-size:.94rem;border-bottom:2px solid var(--gold);padding-bottom:2px;transition:color .2s}
.founder__links a:hover{color:var(--gold)}

/* ===================== PODCAST ===================== */
.podcast{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-deep) 100%);color:#fff;padding:112px 0}
.podcast__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.podcast__intro h2{font-size:clamp(1.9rem,3.2vw,2.7rem);margin-bottom:18px}
.podcast__intro p{color:rgba(233,240,247,.78)}
.podcast__set{margin-top:34px;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line-d)}
.podcast__set img{width:100%;aspect-ratio:3/2;object-fit:cover}
.episodes{list-style:none;margin:0;padding:0}
.episodes li a{display:block;padding:22px 4px;border-top:1px solid rgba(255,255,255,.1);transition:padding .25s ease}
.episodes li:first-child a{border-top:0}
.episodes li a:hover{padding-left:14px}
.ep__show{display:block;font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);margin-bottom:6px}
.ep__title{display:block;font-family:var(--serif);font-size:1.34rem;font-weight:500;line-height:1.2}
.ep__meta{display:inline-flex;align-items:center;gap:.4em;margin-top:10px;font-size:.9rem;color:rgba(233,240,247,.6);font-weight:600}
.episodes li a:hover .ep__meta{color:var(--gold-2)}
.episodes li a:hover .ico{transform:translateX(4px)}

/* ===================== CONTACT ===================== */
.contact{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:120px 0;text-align:center}
.contact__inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.contact h2{font-size:clamp(2rem,3.6vw,3rem);margin-bottom:20px}
.contact__sub{color:rgba(255,255,255,.95);font-size:1.1rem}
.contact__actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;margin:36px 0 0}
.contact__mail{margin-top:26px;font-family:var(--serif);font-size:1.15rem;color:var(--gold-2);letter-spacing:.01em}

/* ===================== FOOTER ===================== */
.footer{background:#040f1c;color:rgba(255,255,255,.7);padding:70px 0 30px}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:44px}
.footer__logo{height:44px;width:auto;margin-bottom:18px}
.footer__brand p{max-width:38ch;font-size:.96rem;color:rgba(255,255,255,.9)}
.footer__nav{display:flex;flex-direction:column;gap:12px}
.footer__h{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-2);margin-bottom:4px}
.footer__nav a{font-size:.95rem;color:rgba(255,255,255,.7);transition:color .2s}
.footer__nav a:hover{color:var(--gold-2)}
.footer__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.5);
  font-size:.82rem;color:rgba(255,255,255,.5)}
.footer__fine{max-width:52ch}

/* ===================== REVEAL ANIMATION ===================== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.40s}

/* ===================== RESPONSIVE ===================== */
@media(max-width:960px){
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav.open .nav__toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav.open .nav__toggle span:nth-child(2){opacity:0}
  .nav.open .nav__toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mission__grid{grid-template-columns:1fr;gap:44px}
  .approach__grid{grid-template-columns:1fr;gap:70px}
  .podcast__grid{grid-template-columns:1fr;gap:44px}
  .footer__inner{grid-template-columns:1fr 1fr;gap:34px}
  .footer__brand{grid-column:1/-1}
}
@media(max-width:760px){
  body{font-size:16px}
  .hero{padding:150px 0 96px}
  .compass{right:-30%;opacity:.5}
  .mission,.approach,.programs,.founders,.podcast{padding:78px 0}
  .stats{padding:70px 0}
  .cards{grid-template-columns:1fr}
  .card--feature{padding:32px 28px}
  .stats__grid{grid-template-columns:1fr 1fr;gap:36px 20px}
  .stat:nth-child(3)::before,.stat:nth-child(1)::before{display:none}
  .founder,.founder--rev{grid-template-columns:1fr;gap:24px;text-align:left}
  .founder__photo{max-width:280px}
  .founder--rev .founder__photo{order:0}
  .approach__badge{right:10px;bottom:-40px;max-width:420px}
  .footer__inner{grid-template-columns:1fr}
}
@media(max-width:420px){
  .stats__grid{grid-template-columns:1fr}
  .stat::before{display:none!important}
  .trust__list{gap:12px 26px;font-size:1.05rem}
}

/* ===================== MOTION PREFERENCES ===================== */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none;transition:none}
  .compass__rose{animation:none!important}
}