/* ============ TOKENS ============ */
:root{
  --ink:#101A33;
  --text:#5F6B85;
  --soft:#93A0BC;
  --blue:#3B6FF6;
  --blue-deep:#2A56D8;
  --sky:#38BDF8;
  --cloud:#F7F9FD;
  --hair:#E7ECF6;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#3B6FF6 0%,#38BDF8 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:var(--white);color:var(--text);line-height:1.65;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3{color:var(--ink);letter-spacing:-.015em;font-weight:800}
.kicker{
  color:var(--sky);font-size:.78rem;font-weight:800;
  letter-spacing:2.5px;text-transform:uppercase;
}
.pill{
  display:inline-block;background:transparent;
  color:#121212;
  border:1px solid var(--blue);
  padding:.85rem 1.9rem;border-radius:24px;
  font-size:.95rem;font-weight:700;cursor:pointer;font-family:inherit;
  transition:background .25s,transform .25s,color .25s;
  box-shadow:0 12px 26px rgba(59,111,246,.28);
}
.pill:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}

/* ============ TERRAIN ============ */
.terrain{position:absolute;inset:0;pointer-events:none;z-index:0}
.terrain span{
  position:absolute;display:block;
  border-radius:22px;background:transparent;
  box-shadow:0 18px 42px rgba(59,111,246,.20),0 4px 12px rgba(16,26,51,.08);
}
.terrain span:nth-child(1){width:120px;height:120px;top:70px;left:6%;transform:rotate(18deg)}
.terrain span:nth-child(2){width:80px;height:80px;top:240px;left:42%;transform:rotate(-14deg);box-shadow:0 14px 34px rgba(56,189,248,.24),0 4px 10px rgba(16,26,51,.07)}
.terrain span:nth-child(3){width:150px;height:150px;bottom:60px;left:14%;transform:rotate(26deg)}
.terrain span:nth-child(4){width:100px;height:100px;top:90px;right:8%;transform:rotate(-20deg);box-shadow:0 16px 38px rgba(56,189,248,.22),0 4px 10px rgba(16,26,51,.07)}
.terrain span:nth-child(5){width:130px;height:130px;bottom:90px;right:18%;transform:rotate(12deg)}
.terrain span:nth-child(6){width:70px;height:70px;bottom:200px;right:42%;transform:rotate(-28deg);box-shadow:0 12px 30px rgba(59,111,246,.18),0 3px 8px rgba(16,26,51,.06)}

/* ============ NAV ============ */
.gnav{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
}
.gnav-inner{
  max-width:1140px;margin:0 auto;height:72px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;gap:1rem;
}
.gnav .logo{display:flex;align-items:center;gap:.55rem;flex:0 0 auto}
.gnav .logo img{height:50px}
.gnav .logo span{color:var(--ink);font-weight:800;font-size:1.2rem}
.gnav-links{display:flex;align-items:center;gap:1.9rem}
.gnav-links a{
  color:var(--ink);font-size:.86rem;font-weight:600;
  transition:color .2s;white-space:nowrap;
  position:relative;display:inline-flex;align-items:center;gap:.45rem;
}
.gnav-links a i{color:var(--blue);font-size:.8rem}
.gnav-links a:hover{color:var(--blue)}
.gnav-links a[data-tip]::before{
  content:'';position:absolute;top:calc(100% + 4px);left:50%;transform:translateX(-50%) translateY(4px);
  border:6px solid transparent;border-bottom-color:var(--ink);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
}
.gnav-links a[data-tip]::after{
  content:attr(data-tip);
  position:absolute;top:calc(100% + 15px);left:50%;transform:translateX(-50%) translateY(4px);
  background:var(--ink);color:#fff;
  font-size:.72rem;font-weight:500;letter-spacing:.2px;line-height:1.4;
  padding:.5rem .8rem;border-radius:9px;white-space:nowrap;
  box-shadow:0 12px 28px rgba(16,26,51,.25);
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;
  z-index:1001;
}
.gnav-links a[data-tip]:hover::before,.gnav-links a[data-tip]:focus-visible::before,
.gnav-links a[data-tip]:hover::after,.gnav-links a[data-tip]:focus-visible::after{
  opacity:1;transform:translateX(-50%) translateY(0);
  transition-delay:.25s;
}
.gnav .bag{
  flex:0 0 auto;background:transparent;color:#121212;
  font-size:.82rem;font-weight:700;padding:.55rem 1.35rem;border-radius:24px;
  transition:background .2s,color .2s;box-shadow:0 8px 18px rgba(59,111,246,.25);
  border:1px solid var(--blue);
}
.gnav .bag:hover{background:var(--blue-deep);color:#fff;}
.visually-hidden{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.burger{
  display:none;width:38px;height:38px;cursor:pointer;border-radius:50%;
  background:var(--ink);flex-direction:column;justify-content:center;align-items:center;gap:5px;flex:0 0 auto;
}
.burger span{display:block;height:2px;width:16px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
#navtoggle:checked ~ .gnav-inner .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
#navtoggle:checked ~ .gnav-inner .burger span:nth-child(2){opacity:0}
#navtoggle:checked ~ .gnav-inner .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-sheet{display:none;background:var(--white);max-height:0;overflow:hidden;transition:max-height .4s ease;border-bottom:1px solid var(--hair)}
.mobile-sheet ul{padding:1rem 2rem 1.6rem}
.mobile-sheet a{display:block;color:var(--ink);font-size:1rem;font-weight:600;padding:.85rem 0;border-bottom:1px solid var(--hair)}
.mobile-sheet a i{color:var(--blue);width:22px;margin-right:.4rem;font-size:.85rem}
.mobile-sheet a small{display:block;color:var(--soft);font-size:.74rem;font-weight:500;margin:.1rem 0 0 1.85rem}
#navtoggle:checked ~ .mobile-sheet{max-height:600px}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:5rem 24px 6rem;}
.hero-bg{
  position:absolute;inset:-30px;
  background:url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&w=1600&q=70') center/cover no-repeat;
  filter:blur(14px) saturate(1.05);transform:scale(1.06);z-index:0;
}
.hero-wash{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(255,255,255,.94) 0%,rgba(244,248,255,.88) 50%,rgba(255,255,255,.78) 100%);
}
.hero .terrain{z-index:2}
.hero-grid{
  position:relative;z-index:3;max-width:1140px;margin:0 auto;
  display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;
}
.hero h1{font-size:clamp(2.4rem,5vw,3.7rem);line-height:1.12;margin:0.9rem 0 1.1rem}
.hero h1 span{color:var(--blue)}
.hero .sub{font-size:1.02rem;max-width:440px;margin-bottom:2.2rem}
.hero .links{display:flex;gap:1.6rem;flex-wrap:wrap;align-items:center}
.play{color:var(--ink);font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:.7rem;}
.play i{
  width:44px;height:44px;border-radius:50%;background:#fff;color:var(--blue);
  display:grid;place-items:center;font-size:.72rem;
  box-shadow:0 10px 24px rgba(59,111,246,.2);
}
.hero-img{
  border-radius:30px;overflow:hidden;
  box-shadow:0 30px 70px rgba(16,26,51,.22);
  animation:floatUp 1.1s cubic-bezier(.22,.8,.36,1) both;
}
.hero-img img{width:100%;height:430px;object-fit:cover}
@keyframes floatUp{from{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}

/* ============ COURSES ============ */
.services{background:var(--cloud);padding:7rem 24px}
.services .head{text-align:center;max-width:560px;margin:0 auto 3.5rem}
.services h2{font-size:clamp(1.9rem,4.2vw,2.6rem);line-height:1.2;margin-top:.8rem}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:1040px;margin:0 auto;}
.card{
  background:#fff;border-radius:18px;padding:2.6rem 1.9rem;text-align:center;
  border:1px solid var(--hair);box-shadow:0 14px 36px rgba(16,26,51,.05);
  transition:transform .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-8px);box-shadow:0 26px 54px rgba(59,111,246,.16)}
.card .icon{
  width:64px;height:64px;border-radius:16px;background:var(--grad);
  display:grid;place-items:center;margin:0 auto 1.3rem;color:#fff;font-size:1.45rem;
  box-shadow:0 12px 26px rgba(59,111,246,.3);
}
.card h3{font-size:1.06rem;margin-bottom:.55rem}
.card p{font-size:.88rem;margin-bottom:1.1rem}
.card .more{color:var(--blue);font-size:.85rem;font-weight:700;display:inline-flex;align-items:center;gap:.4rem;cursor:pointer;background:none;border:none;font-family:inherit}
.card .more::after{content:'\2192';transition:transform .25s}
.card .more:hover::after{transform:translateX(4px)}

/* ============ SERVICES / BUILD ============ */
.build{background:var(--white);padding:7rem 24px;position:relative;overflow:hidden}
.build .head{position:relative;z-index:1;text-align:center;max-width:600px;margin:0 auto 4rem}
.build h2{font-size:clamp(1.9rem,4.2vw,2.6rem);line-height:1.2;margin:.8rem 0 .9rem}
.build .head p{font-size:.98rem}
.build-list{position:relative;z-index:1;max-width:1040px;margin:0 auto;display:flex;flex-direction:column;gap:5rem}
.build-item{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center;}
.build-item:nth-child(even) .b-media{order:2}
.b-media{position:relative}
.b-media img{
  width:100%;height:320px;object-fit:cover;border-radius:26px;
  box-shadow:0 26px 60px rgba(16,26,51,.16);
  animation:drift 7s ease-in-out infinite;
}
.build-item:nth-child(even) .b-media img{animation-delay:1.4s}
.b-media .b-badge{
  position:absolute;bottom:-18px;left:26px;
  background:#fff;border:1px solid var(--hair);border-radius:14px;
  padding:.65rem 1.1rem;display:flex;align-items:center;gap:.6rem;
  font-size:.8rem;font-weight:700;color:var(--ink);
  box-shadow:0 16px 36px rgba(16,26,51,.14);
  animation:drift 7s ease-in-out infinite;animation-delay:.8s;
}
.b-media .b-badge i{
  width:30px;height:30px;border-radius:9px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:.78rem;
}
.b-copy .tag{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:1.8px;text-transform:uppercase;color:var(--sky);margin-bottom:.7rem;}
.b-copy h3{font-size:1.45rem;margin-bottom:.7rem}
.b-copy p{font-size:.94rem;margin-bottom:1.4rem;max-width:420px}
.b-copy .quote{
  display:inline-flex;align-items:center;gap:.5rem;
  color:var(--ink);font-size:.88rem;font-weight:700;
  border:1px solid var(--blue);border-radius:24px;padding:.65rem 1.45rem;
  transition:background .25s,color .25s,transform .25s;
}
.b-copy .quote:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}

/* ============ WORKS CAROUSEL ============ */
.works{background:var(--cloud);padding:7rem 0 6rem;text-align:center;position:relative;overflow:hidden}
.works .head{position:relative;z-index:1;max-width:560px;margin:0 auto 3rem;padding:0 24px}
.works h2{font-size:clamp(1.9rem,4.2vw,2.6rem);line-height:1.2;margin:.8rem 0 .9rem}
.works .head p{font-size:.95rem}
.works-carousel{position:relative;z-index:1;max-width:860px;margin:0 auto;padding:0 24px}
.w-stage{position:relative;border-radius:24px;overflow:hidden;height:430px;box-shadow:0 26px 60px rgba(16,26,51,.14);}
.w-slide{position:absolute;inset:0;opacity:0;transform:scale(1.04);transition:opacity .8s ease,transform 1s ease;pointer-events:none;}
.w-slide.active{opacity:1;transform:scale(1);pointer-events:auto}
.w-slide img{width:100%;height:100%;object-fit:cover}
.w-veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(16,26,51,.78) 0%,rgba(16,26,51,.18) 55%,rgba(16,26,51,0) 100%);}
.w-copy{position:absolute;left:0;right:0;bottom:0;padding:2.2rem 2.4rem;text-align:left;color:#fff;}
.w-copy .w-tag{display:inline-block;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);font-size:.66rem;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;padding:.34rem .9rem;border-radius:24px;margin-bottom:.7rem;}
.w-copy h3{color:#fff;font-size:1.55rem;margin-bottom:.3rem}
.w-copy p{font-size:.92rem;opacity:.9;max-width:440px;margin-bottom:1.1rem}
.w-copy button{background:#fff;color:var(--ink);border:none;cursor:pointer;font-family:inherit;font-size:.85rem;font-weight:700;padding:.6rem 1.4rem;border-radius:24px;transition:transform .25s,background .25s;}
.w-copy button:hover{transform:translateY(-2px);background:var(--cloud)}
.w-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;border:1px solid var(--hair);cursor:pointer;
  background:rgba(255,255,255,.95);color:var(--ink);font-size:.85rem;
  display:grid;place-items:center;z-index:2;
  box-shadow:0 8px 20px rgba(16,26,51,.16);transition:background .2s,color .2s,transform .2s;
}
.w-btn:hover{background:var(--ink);color:#fff;transform:translateY(-50%) scale(1.08)}
.w-btn.prev{left:40px}
.w-btn.next{right:40px}
.w-dots{display:flex;gap:.55rem;justify-content:center;margin-top:1.6rem}
.w-dots button{width:8px;height:8px;border-radius:50%;border:none;cursor:pointer;background:#D4DCEE;transition:background .25s,width .25s;}
.w-dots button.active{background:var(--ink);width:22px;border-radius:6px}

/* ============ MODALS ============ */
.modal-backdrop{
  position:fixed;inset:0;z-index:2000;
  background:rgba(16,26,51,.55);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  display:none;align-items:center;justify-content:center;padding:24px;
}
.modal-backdrop.open{display:flex;animation:fadeIn .25s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal{
  background:#fff;border-radius:24px;max-width:560px;width:100%;
  max-height:86vh;overflow-y:auto;position:relative;
  padding:2.6rem 2.4rem 2.4rem;
  box-shadow:0 40px 90px rgba(16,26,51,.35);
  animation:popUp .3s cubic-bezier(.22,.8,.36,1) both;
}
@keyframes popUp{from{opacity:0;transform:translateY(28px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}
.modal-close{
  position:absolute;top:18px;right:18px;
  width:38px;height:38px;border-radius:50%;border:1px solid var(--hair);
  background:#fff;color:var(--ink);cursor:pointer;font-size:.9rem;
  display:grid;place-items:center;transition:background .2s,color .2s;z-index:1;
}
.modal-close:hover{background:var(--ink);color:#fff}
.modal .m-icon{width:60px;height:60px;border-radius:16px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:1.35rem;margin-bottom:1.1rem;box-shadow:0 12px 26px rgba(59,111,246,.3);}
.modal h3{font-size:1.5rem;margin-bottom:.4rem}
.modal .m-meta{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:1.2rem}
.modal .m-meta span{background:var(--cloud);border:1px solid var(--hair);color:var(--text);font-size:.74rem;font-weight:600;padding:.3rem .8rem;border-radius:24px;}
.modal .m-meta span i{color:var(--blue);margin-right:.35rem}
.modal .m-desc{font-size:.94rem;margin-bottom:1.4rem}
.modal h4{font-size:.78rem;letter-spacing:1.8px;text-transform:uppercase;color:var(--sky);margin-bottom:.7rem}
.modal ul.m-learn{margin-bottom:1.6rem}
.modal ul.m-learn li{display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;padding:.32rem 0;color:var(--text);}
.modal ul.m-learn li i{color:var(--blue);font-size:.75rem;margin-top:.35rem}
.modal .m-cta{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:.4rem}
.modal .m-note{font-size:.78rem;color:var(--soft)}

/* work popup */
.modal.work{padding:0;overflow:hidden}
.modal.work img{width:100%;height:240px;object-fit:cover}
.modal.work .w-body{padding:1.8rem 2.2rem 2.2rem}
.modal.work .w-body .w-tag2{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--sky);margin-bottom:.5rem;}
.modal.work .w-body p{font-size:.92rem;margin:.7rem 0 1.4rem}

/* work popup action buttons */
.w-actions{display:flex;gap:.9rem;flex-wrap:wrap;align-items:center}
.w-actions .pill{font-size:.88rem;padding:.65rem 1.45rem;box-shadow:none}
.w-demo-btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.88rem;font-weight:700;font-family:inherit;
  color:var(--blue);border:1px solid var(--blue);
  padding:.65rem 1.45rem;border-radius:24px;
  background:transparent;cursor:pointer;
  transition:background .25s,color .25s,transform .25s;
  text-decoration:none;
}
.w-demo-btn:hover{background:var(--blue-deep);color:#fff;border-color:var(--blue-deep);transform:translateY(-2px)}

/* ============ CTA ============ */
.cta{text-align:center;padding:6.5rem 24px;background:var(--white)}
.cta h2{font-size:clamp(1.8rem,4vw,2.5rem);margin:.8rem 0 1rem}
.cta p{max-width:480px;margin:0 auto 2rem;font-size:1rem}

/* ============ FOOTER ============ */
footer{background:var(--ink);padding:2.6rem 24px;color:#ABB6CE;font-size:.82rem}
.foot-inner{max-width:1140px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;}
.foot-social a i{font-size:.9rem;margin-left:.7rem;color:#fff;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08);display:inline-grid;place-items:center;transition:background .2s,transform .2s;}
.foot-social a:hover i{background:var(--blue);transform:scale(1.1)}

/* ============ ANIMATIONS ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .85s ease,transform .85s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal.d1{transition-delay:.12s}

/* ============ community button ============ */
.community-btn{
  background:#0ea5e9;
  color:#fff;
}

.community-btn:hover{
  transform:translateY(-3px);
}

@keyframes drift{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-img{animation:none}
  .b-media img,.b-media .b-badge{animation:none}
  .modal,.modal-backdrop.open{animation:none}
  .w-slide{transition:opacity .2s}
  html{scroll-behavior:auto}
}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero .sub{margin:0 auto 2.2rem}
  .hero .links{justify-content:center}
  .hero-img img{height:330px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .build-item{grid-template-columns:1fr;gap:2.6rem;text-align:center}
  .build-item:nth-child(even) .b-media{order:0}
  .b-copy p{margin-left:auto;margin-right:auto}
  .b-media .b-badge{left:50%;transform:translateX(-50%)}
}
@media(max-width:860px){
  .gnav-links{display:none}
  .burger{display:flex}
  .mobile-sheet{display:block}
}
@media(max-width:600px){
  .hero{padding:3.4rem 22px 4.5rem}
  .hero-img img{height:250px}
  .terrain span{transform:scale(.7) rotate(18deg)}
  .terrain span:nth-child(2),.terrain span:nth-child(6){display:none}
  .cards{grid-template-columns:1fr;max-width:380px}
  .b-media img{height:230px}
  .w-stage{height:420px}
  .w-btn{width:38px;height:38px}
  .w-btn.prev{left:34px}
  .w-btn.next{right:34px}
  .w-copy{padding:1.5rem 1.4rem}
  .w-copy h3{font-size:1.25rem}
  .modal{padding:2.1rem 1.5rem 1.8rem}
  .modal.work{padding:0}
  .modal.work .w-body{padding:1.5rem 1.4rem 1.8rem}
  .foot-inner{justify-content:center;text-align:center}
  .w-actions{flex-direction:column;align-items:flex-start}
}