/* DipSkill motion layer: dropdowns, menus, reveals, hero intro, hover states. Every effect is skipped under prefers-reduced-motion. */
:root{--ease:cubic-bezier(.2,.8,.2,1);--spring:cubic-bezier(.34,1.56,.64,1)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* page fade-in + theme crossfade */
html.js body{animation:pageIn .5s var(--ease) both}
@keyframes pageIn{from{opacity:0}to{opacity:1}}
html.theme-anim *,html.theme-anim *::before,html.theme-anim *::after{transition:background-color .4s ease,color .4s ease,border-color .4s ease,fill .4s ease!important}

/* header */
.top{transition:box-shadow .3s,background-color .3s}
.top.scrolled{box-shadow:0 10px 30px -18px rgba(20,18,60,.35)}
.nav>a,.nav .dd>button{position:relative;transition:color .2s,background-color .2s}
.nav>a:not(.on)::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav>a:not(.on):hover::after{transform:scaleX(1)}
.nav a.on::after{animation:grow .5s var(--ease) both}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.dd-chev{transition:transform .3s var(--ease)}
.dd:hover .dd-chev,.dd.open .dd-chev,.dd:focus-within .dd-chev{transform:rotate(180deg)}
.dd-menu{display:block!important;visibility:hidden;opacity:0;transform:translateY(8px) scale(.97);transform-origin:top left;transition:opacity .22s var(--ease),transform .28s var(--ease),visibility 0s .28s}
.dd:hover .dd-menu,.dd:focus-within .dd-menu,.dd.open .dd-menu{visibility:visible;opacity:1;transform:none;transition:opacity .22s var(--ease),transform .3s var(--spring),visibility 0s}
.dd-menu a{opacity:0;transform:translateX(-6px);transition:opacity .25s var(--ease),transform .3s var(--ease),background-color .2s}
.dd:hover .dd-menu a,.dd:focus-within .dd-menu a,.dd.open .dd-menu a{opacity:1;transform:none;transition-delay:calc(var(--i,0)*35ms + 40ms)}
.dd-menu .ic{transition:transform .3s var(--spring),background-color .2s}
.dd-menu a:hover .ic{transform:scale(1.12) rotate(-6deg);background:var(--brand);color:#fff}
.theme-btn.spin .i{animation:spin .5s var(--spring)}
@keyframes spin{from{transform:rotate(-120deg) scale(.4);opacity:0}to{transform:none;opacity:1}}

/* burger + mobile menu */
.burger{position:relative;width:18px;height:14px;display:block}
.burger i{position:absolute;left:0;right:0;height:2px;border-radius:2px;background:currentColor;transition:transform .35s var(--ease),opacity .2s,top .35s var(--ease)}
.burger i:nth-child(1){top:0}.burger i:nth-child(2){top:6px}.burger i:nth-child(3){top:12px}
.menu-btn.x .burger i:nth-child(1){top:6px;transform:rotate(45deg)}
.menu-btn.x .burger i:nth-child(2){opacity:0;transform:scaleX(.2)}
.menu-btn.x .burger i:nth-child(3){top:6px;transform:rotate(-45deg)}
@media (max-width:1080px){
  .nav,.actions .hide-sm{display:none}
  .menu-btn{display:grid}
  .top .wrap{justify-content:space-between}
  .mobile-nav{display:block;position:fixed;top:calc(69px + env(safe-area-inset-top,0px));left:0;right:0;bottom:0;background:var(--bg);z-index:49;padding:12px max(20px,env(safe-area-inset-left,0px)) 32px;overflow:auto;border-top:1px solid var(--line);visibility:hidden;opacity:0;clip-path:inset(0 0 100% 0);transition:clip-path .45s var(--ease),opacity .3s,visibility 0s .45s}
  .mobile-nav.open{visibility:visible;opacity:1;clip-path:inset(0 0 0 0);transition:clip-path .45s var(--ease),opacity .2s,visibility 0s}
  .mobile-nav a,.mobile-nav .mgroup,.mobile-nav .btns{opacity:0;transform:translateY(-8px);transition:opacity .3s,transform .35s var(--ease)}
  .mobile-nav.open a,.mobile-nav.open .mgroup,.mobile-nav.open .btns{opacity:1;transform:none;transition-delay:calc(var(--i,6)*25ms + 80ms)}
  .mobile-nav a{display:flex;align-items:center;gap:10px;padding:13px 4px;border-bottom:1px solid var(--line);font-weight:600}
  .mobile-nav .sub{padding-left:22px;font-weight:500;color:var(--fg-2)}
  .mobile-nav .btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
}

/* buttons */
.btn{position:relative;overflow:hidden;transition:background-color .2s,border-color .2s,transform .2s var(--spring),box-shadow .25s}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn .i{transition:transform .3s var(--spring)}
.btn:hover .i{transform:translateX(3px)}
.btn-primary::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn-primary:hover::after{transform:translateX(120%)}
.btn-primary:hover{box-shadow:0 14px 28px -12px var(--brand)}
.link .i{transition:transform .3s var(--spring)}
.link:hover .i,a:hover .link .i{transform:translateX(4px)}
.tab,.seg-ctl button,.chip{transition:background-color .25s,color .25s,border-color .25s,transform .2s var(--spring),box-shadow .25s}
.tab:active,.seg-ctl button:active,.chip:active{transform:scale(.95)}
.tab.on{box-shadow:0 8px 18px -10px var(--brand);animation:pop .35s var(--spring)}
@keyframes pop{0%{transform:scale(.92)}100%{transform:none}}
.chip:hover{transform:translateY(-1px)}
.icon-btn{transition:color .2s,border-color .2s,transform .2s var(--spring),background-color .2s}
.icon-btn:hover{transform:translateY(-1px)}
.social a{transition:transform .25s var(--spring),background-color .2s}
.social a:hover{transform:translateY(-3px) rotate(-6deg);background:var(--brand)}
.input{transition:border-color .2s,box-shadow .25s,background-color .2s}

/* cards: lift + cursor spotlight */
.card{transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .25s}
.card{background-image:radial-gradient(240px circle at var(--mx,-300px) var(--my,-300px),color-mix(in srgb,var(--brand) 9%,transparent),transparent 70%)}
.course:hover,.post:hover,.tool:hover,.h-tool:hover,.h-job:hover,.price:hover,.mv:hover,.value:hover,.dt:hover,.side:hover,.h-quote:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.course>img,.post img,.featured>img,.side img,.split-img,.cta>img,.ph-photo img,.h-collage img,.h-cta-img img{transition:transform .8s var(--ease),filter .4s}
.course,.post,.featured,.side,.split,.cta,.ph-photo{overflow:hidden}
.course:hover>img,.post:hover img,.featured:hover>img,.side:hover img,.split:hover .split-img,.cta:hover>img,.ph-photo:hover img,.h-cta:hover .h-cta-img img{transform:scale(1.06)}
.h-collage img:hover{transform:scale(1.03) rotate(-.5deg)}
.tz{display:block;overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0}
.tz img{transition:transform .8s var(--ease)}
.h-tool:hover .tz img{transform:scale(1.07)}
.badge-ic{transition:transform .4s var(--spring)}
.h-tool:hover .badge-ic{transform:translateY(-4px) rotate(-8deg) scale(1.06)}
.tic,.pi,.qi,.jlogo{transition:transform .4s var(--spring)}
.tool:hover .tic,.mv:hover .tic,.dt:hover .tic,.value:hover .tic,.ci:hover .tic,.h-points li:hover .pi,.h-quick a:hover .qg,.job:hover .jlogo{transform:scale(1.1) rotate(-6deg)}
.qg{transition:transform .35s var(--spring)}
.h-quick a{transition:background-color .2s,transform .25s var(--ease)}
.h-quick a:hover{transform:translateX(4px)}

/* scroll reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .8s var(--ease);transition-delay:var(--d,0ms)}
.rv.in{opacity:1;transform:none}
.h-collage img.rv{transform:translateY(26px) scale(.96)}.h-collage img.rv.in{transform:none}

/* ---------- hero intro sequence ---------- */
.h-hero-copy>*{animation:up .8s var(--ease) both}
.h-hero-copy>:nth-child(1){animation-delay:.05s}.h-hero-copy>:nth-child(2){animation-delay:.15s}.h-hero-copy>:nth-child(3){animation-delay:.3s}.h-hero-copy>:nth-child(4){animation-delay:.42s}.h-hero-copy>:nth-child(5){animation-delay:.54s}.h-hero-copy>:nth-child(6){animation-delay:.66s}
@keyframes up{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.h-hero-copy h1 .w{display:inline-block;animation:word .9s var(--ease) both}
@keyframes word{from{opacity:0;transform:translateY(60%) rotate(4deg);filter:blur(6px)}to{opacity:1;transform:none;filter:none}}
.h-hero-photo img{animation:zoomOut 1.6s var(--ease) both}
@keyframes zoomOut{from{transform:scale(1.12);opacity:.2}to{transform:none;opacity:1}}
.h-hero-ring path,.h-cta-ring path,.h-testi-ring path,.corner-ring path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.1s var(--ease) forwards;animation-delay:calc(.35s + var(--k,0)*.22s)}
@keyframes draw{to{stroke-dashoffset:0}}
.h-hero-ring svg{animation:ringSpin 1.6s var(--ease) both .2s}
@keyframes ringSpin{from{transform:rotate(-70deg) scale(.85)}to{transform:none}}
.h-script{animation:scriptIn 1s var(--ease) both .9s}
@keyframes scriptIn{from{opacity:0;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 -10% 0 0)}}
.h-script svg path{stroke-dasharray:120;stroke-dashoffset:120;animation:squig 1s var(--ease) forwards 1.7s}
@keyframes squig{to{stroke-dashoffset:0}}
.h-quick{animation:cardIn .9s var(--spring) both 1.05s}
@keyframes cardIn{from{opacity:0;transform:translateX(40px) scale(.95)}to{opacity:1;transform:none}}
.h-quick a{animation:up .5s var(--ease) both}
.h-quick a:nth-child(1){animation-delay:1.3s}.h-quick a:nth-child(2){animation-delay:1.4s}.h-quick a:nth-child(3){animation-delay:1.5s}.h-quick a:nth-child(4){animation-delay:1.6s}
.kdash{background-size:200% 100%!important;animation:shimmer 3s linear infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.c-coral{display:inline-block}

/* inner page heads */
.page-head .wrap>div>*,.page-head .wrap>*:not(.ph-grid):not(.ph-photo){animation:up .7s var(--ease) both}
.page-head .crumb{animation-delay:.02s!important}.page-head h1{animation-delay:.1s!important}.page-head .lead{animation-delay:.2s!important}
.ph-photo{animation:photoIn 1s var(--ease) both .15s}
@keyframes photoIn{from{opacity:0;clip-path:inset(0 0 0 100% round 18px)}to{opacity:1;clip-path:inset(0 0 0 0 round 18px)}}
.page-head .searchbar,.section-sm .searchbar{animation:up .7s var(--ease) both .25s}

/* testimonials auto-scroll indicator */
.h-quotes{scroll-behavior:smooth}
.float{animation:float 5s ease-in-out infinite 2.4s}
@keyframes float{50%{transform:translateY(-8px)}}

/* toast */
.toast{transition:opacity .3s var(--ease),transform .4s var(--spring)!important}

/* ---------- DSelect: animated dropdown ---------- */
.dsel{position:relative;min-width:0}
.dsel .ds-native,.ds-native{position:absolute!important;opacity:0;pointer-events:none;width:1px;height:1px;bottom:0;left:50%}
.ds-btn{display:flex;align-items:center;gap:8px;width:100%;height:44px;padding:0 12px 0 14px;border:1px solid var(--line);background:var(--input);border-radius:10px;cursor:pointer;font-weight:600;font-size:13.5px;color:var(--fg);text-align:left;transition:border-color .2s,box-shadow .25s,background-color .2s,transform .2s var(--spring)}
.ds-btn:hover{border-color:var(--line-strong)}
.ds-btn:active{transform:scale(.985)}
.dsel.open .ds-btn{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 20%,transparent)}
.dsel.set .ds-btn{border-color:color-mix(in srgb,var(--brand) 60%,transparent);background:color-mix(in srgb,var(--brand) 8%,var(--input));color:var(--brand-ink)}
.ds-val{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ds-ic{color:var(--muted)}
.ds-chev{color:var(--muted);transition:transform .35s var(--spring)}
.dsel.open .ds-chev{transform:rotate(180deg);color:var(--brand-ink)}
.dsel.pulse .ds-btn{animation:dsPulse .5s var(--ease)}
@keyframes dsPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--brand) 45%,transparent)}100%{box-shadow:0 0 0 10px transparent}}
.dsel.bad .ds-btn{border-color:var(--red);animation:shake .4s}
@keyframes shake{25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.ds-pop{position:absolute;z-index:40;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:min(320px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-lg);padding:6px;visibility:hidden;opacity:0;transform:translateY(-6px) scale(.97);transform-origin:top center;transition:opacity .18s var(--ease),transform .25s var(--ease),visibility 0s .25s}
.dsel.up .ds-pop{top:auto;bottom:calc(100% + 6px);transform-origin:bottom center;transform:translateY(6px) scale(.97)}
.dsel.open .ds-pop{visibility:visible;opacity:1;transform:none;transition:opacity .2s var(--ease),transform .32s var(--spring),visibility 0s}
.ds-search{display:flex;align-items:center;gap:8px;padding:0 10px;margin-bottom:6px;border:1px solid var(--line);border-radius:8px;background:var(--input);color:var(--muted)}
.ds-search input{border:0;background:transparent;outline:none;height:36px;width:100%;color:var(--fg);font-size:13.5px}
.ds-list{list-style:none;margin:0;padding:0;max-height:280px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}
.ds-list li{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:13.5px;color:var(--fg-2);opacity:0;transform:translateY(-4px)}
.dsel.open .ds-list li{animation:optIn .3s var(--ease) both;animation-delay:calc(var(--i,0)*18ms)}
@keyframes optIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.ds-list li span{flex:1}
.ds-list li em{font-style:normal;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.ds-list li:hover,.ds-list li.act{background:var(--chip);color:var(--fg)}
.ds-list li[aria-selected="true"]{color:var(--brand-ink);font-weight:700;background:color-mix(in srgb,var(--brand) 10%,transparent)}
.ds-tick{opacity:0;transform:scale(.4);transition:opacity .2s,transform .3s var(--spring);color:var(--brand-ink)}
.ds-list li[aria-selected="true"] .ds-tick{opacity:1;transform:none}
.ds-none{padding:10px;color:var(--muted);font-size:13px;text-align:center}
.ds-field .ds-btn{height:46px;font-weight:500;font-size:14.5px}
.searchbar .dsel .ds-btn{border:0;background:transparent;height:40px;box-shadow:none;padding-left:4px}
.diet+.dsel,.papers-head .dsel{min-width:150px}

@media (prefers-reduced-motion:reduce){.rv{opacity:1!important;transform:none!important}.ds-list li{opacity:1;transform:none}.dd-menu a,.mobile-nav a,.mobile-nav .mgroup,.mobile-nav .btns{opacity:1!important;transform:none!important}.h-hero-ring path,.corner-ring path,.h-cta-ring path,.h-testi-ring path{stroke-dashoffset:0}.h-script svg path{stroke-dashoffset:0}}
.field{position:relative}
select.ds-native{position:absolute!important;width:1px!important;height:1px!important;min-width:0!important;left:0!important;bottom:0!important;opacity:0!important;pointer-events:none!important;padding:0!important;border:0!important}
/* brand-coloured social icons */
.social a[aria-label*="Instagram"]{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285aeb 90%);color:#fff}
.social a[aria-label*="YouTube"]{background:#ff0000;color:#fff}
.social a[aria-label*="LinkedIn"]{background:#0a66c2;color:#fff}
.social a[aria-label*="Instagram"]:hover,.social a[aria-label*="YouTube"]:hover,.social a[aria-label*="LinkedIn"]:hover{color:#fff;filter:brightness(1.08) saturate(1.1);box-shadow:0 10px 20px -10px rgba(0,0,0,.45)}
.social a[aria-label*="Instagram"]:hover{background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285aeb 90%)}
.social a[aria-label*="YouTube"]:hover{background:#ff0000}
.social a[aria-label*="LinkedIn"]:hover{background:#0a66c2}
.social a .i{width:19px;height:19px}