/* ============================================================
   KIWA — global styles
   Palette: #004f9f #2a3f54 #efefe0 #1d774d #8ccaae
   ============================================================ */

:root{
  --blue:#004f9f;
  --blue-dark:#003a76;
  --blue-soft:#e7eff6;
  --slate:#2a3f54;
  --slate-light:#3a536c;
  --paper:#efefe0;
  --paper-2:#e6e6d6;
  --green:#1d774d;
  --green-dark:#155a3a;
  --green-light:#8ccaae;
  --green-soft:#e6f2ea;
  --white:#ffffff;
  --ink:#1c2530;
  --muted:#62707e;
  --muted-2:#8a96a2;
  --line:#dcded6;
  --line-2:#cfd2c8;
  --amber:#b06f15;
  --danger:#b3261e;
  --radius:6px;
  --radius-sm:4px;
  --radius-lg:10px;
  --shadow-sm:0 1px 2px rgba(20,33,48,.06), 0 1px 3px rgba(20,33,48,.08);
  --shadow:0 2px 6px rgba(20,33,48,.07), 0 6px 18px rgba(20,33,48,.08);
  --shadow-lg:0 12px 34px rgba(20,33,48,.16);
  --container:1240px;
  --font:"Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em;font-weight:700;color:var(--slate)}
h1{font-size:clamp(28px,4vw,44px)}
h2{font-size:clamp(22px,2.6vw,30px)}
h3{font-size:20px}
p{margin:0}
ul{margin:0}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:56px 0}
.section-sm{padding:36px 0}
.muted{color:var(--muted)}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ---- Buttons ------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-sm);
  padding:11px 20px;font-size:15px;font-weight:600;line-height:1;
  transition:background .15s, border-color .15s, color .15s, transform .05s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-buy{background:var(--green);color:#fff}
.btn-buy:hover{background:var(--green-dark)}
.btn-ghost{background:#fff;border-color:var(--line-2);color:var(--slate)}
.btn-ghost:hover{border-color:var(--slate);background:#fcfcf8}
.btn-on-dark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.btn-on-dark:hover{background:rgba(255,255,255,.22)}
.btn-block{width:100%}
.btn-lg{padding:14px 26px;font-size:16px}
.btn-sm{padding:8px 14px;font-size:13px}

/* ---- Top bar ------------------------------------------------------------- */
.topbar{background:var(--slate);color:#cdd6df;font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar a{color:#cdd6df}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;align-items:center;gap:18px}
.lang-switch{display:inline-flex;border:1px solid rgba(255,255,255,.25);border-radius:3px;overflow:hidden}
.lang-switch button{background:transparent;color:#cdd6df;border:0;padding:3px 9px;font-size:12px;font-weight:700;letter-spacing:.03em}
.lang-switch button.active{background:#fff;color:var(--slate)}
.tb-auth{display:flex;gap:14px;align-items:center}

/* ---- Header -------------------------------------------------------------- */
.header{background:#fff;border-bottom:1px solid var(--line)}
.header .container{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo .mark{
  width:38px;height:38px;border-radius:7px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue),var(--slate));
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:19px;letter-spacing:-.04em;
}
.logo .word{font-size:22px;font-weight:800;color:var(--slate);letter-spacing:-.02em;line-height:1}
.logo .word small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-top:3px}
.search{flex:1 1 auto;max-width:560px;position:relative}
.search input{
  width:100%;height:44px;border:1px solid var(--line-2);border-radius:22px;
  padding:0 46px 0 18px;font-size:15px;background:#fbfbf6;color:var(--ink);
}
.search input:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px var(--blue-soft)}
.search button{
  position:absolute;right:5px;top:5px;width:34px;height:34px;border:0;border-radius:50%;
  background:var(--blue);color:#fff;display:grid;place-items:center;font-size:15px;
}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.icon-btn{
  position:relative;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--slate);font-size:18px;
}
.icon-btn:hover{background:var(--paper);border-color:var(--line-2)}
.cart-count{
  position:absolute;top:-3px;right:-3px;min-width:19px;height:19px;padding:0 4px;border-radius:10px;
  background:var(--green);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;
}
.cart-count.empty{display:none}

/* ---- Nav bar ------------------------------------------------------------- */
.navbar{background:var(--blue);color:#fff}
.navbar .container{display:flex;align-items:center;gap:4px;height:48px}
.navbar a{
  color:#fff;font-size:14.5px;font-weight:600;padding:0 15px;height:48px;
  display:inline-flex;align-items:center;gap:7px;border-bottom:3px solid transparent;
}
.navbar a:hover{background:rgba(255,255,255,.08)}
.navbar a.active{border-bottom-color:var(--green-light)}
.nav-cats{position:relative}
.nav-cats>a{background:var(--blue-dark)}
.nav-drop{
  position:absolute;top:48px;left:0;width:300px;background:#fff;border:1px solid var(--line);
  border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-lg);padding:8px;z-index:60;
  display:none;
}
.nav-cats.open .nav-drop{display:block}
.nav-drop a{
  display:flex;align-items:center;gap:12px;height:auto;padding:10px 12px;color:var(--ink);
  font-weight:600;border-radius:var(--radius-sm);border:0;
}
.nav-drop a:hover{background:var(--paper)}
.nav-drop .dot{width:10px;height:10px;border-radius:3px;flex:0 0 auto}
.nav-spacer{flex:1 1 auto}
.nav-phone{color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px;opacity:.95}

/* ---- Hamburger / mobile -------------------------------------------------- */
.hamburger{display:none}
@media(max-width:900px){
  .header .container{height:64px;gap:14px}
  .search{order:3;flex-basis:100%;max-width:none}
  .header .container{flex-wrap:wrap;padding-bottom:12px;padding-top:12px;height:auto}
  .navbar{display:none}
  .navbar.open{display:block}
  .navbar .container{flex-direction:column;height:auto;align-items:stretch;padding-top:6px;padding-bottom:6px}
  .navbar a{height:44px}
  .nav-spacer,.nav-phone{display:none}
  .nav-drop{position:static;width:auto;box-shadow:none;border:0;display:block;padding:0 0 0 22px}
  .hamburger{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:20px;color:var(--slate)}
}

/* ---- Hero ---------------------------------------------------------------- */
.hero{background:linear-gradient(115deg,var(--slate) 0%, var(--blue) 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:rgba(140,202,174,.13)}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{color:#fff;max-width:14ch}
.hero p{color:#dbe6f1;font-size:18px;margin-top:16px;max-width:46ch}
.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.hero-stats{display:flex;gap:30px;margin-top:34px}
.hero-stats .s b{display:block;font-size:26px;font-weight:800;color:#fff}
.hero-stats .s span{font-size:13px;color:#bcd0e3}
.hero-visual{aspect-ratio:4/3;border-radius:var(--radius-lg);background:
  repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 14px,rgba(255,255,255,.02) 14px 28px),
  rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:#bcd0e3;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;letter-spacing:.04em}
@media(max-width:840px){.hero .container{grid-template-columns:1fr;gap:28px}.hero-visual{display:none}}

/* ---- Category grid ------------------------------------------------------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:780px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.cat-grid{grid-template-columns:1fr}}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  display:flex;align-items:center;gap:16px;transition:box-shadow .15s,border-color .15s,transform .15s;
}
.cat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:var(--line-2)}
.cat-ic{width:52px;height:52px;border-radius:10px;flex:0 0 auto;display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;font-family:ui-monospace,monospace}
.cat-card .ct b{display:block;font-size:16px;font-weight:700;color:var(--slate)}
.cat-card .ct span{font-size:13px;color:var(--muted)}

/* ---- Section headers ----------------------------------------------------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:24px;gap:16px}
.sec-head .eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.sec-head a{color:var(--blue);font-weight:600;font-size:14.5px;white-space:nowrap}
.sec-head a:hover{text-decoration:underline}

/* ---- Course cards -------------------------------------------------------- */
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1080px){.course-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.course-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.course-grid{grid-template-columns:1fr}}

.course-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s,border-color .15s;
}
.course-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:var(--line-2)}
.cc-thumb{
  aspect-ratio:16/10;position:relative;display:grid;place-items:center;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;letter-spacing:.05em;color:rgba(255,255,255,.85);
}
.cc-thumb .badge{position:absolute;top:10px;left:10px;display:flex;gap:6px}
.tag{font-size:11px;font-weight:700;letter-spacing:.04em;padding:4px 8px;border-radius:3px;text-transform:uppercase}
.tag-new{background:var(--green-light);color:#0e3a26}
.tag-hot{background:#fff;color:var(--amber)}
.cc-body{padding:15px 16px 16px;display:flex;flex-direction:column;flex:1}
.cc-cat{font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:7px}
.cc-title{font-size:16px;font-weight:700;color:var(--slate);line-height:1.32;margin-bottom:7px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.course-card:hover .cc-title{color:var(--blue)}
.cc-desc{font-size:13.5px;color:var(--muted);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:11px}
.cc-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:12px}
.cc-meta span{display:inline-flex;align-items:center;gap:5px}
.cc-rating{display:flex;align-items:center;gap:6px;margin-bottom:12px;font-size:13px}
.stars{color:#e8a92b;letter-spacing:1px;font-size:13px}
.cc-rating b{color:var(--ink)}
.cc-rating span{color:var(--muted-2)}
.cc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:13px;border-top:1px solid var(--line)}
.price{display:flex;align-items:baseline;gap:8px}
.price b{font-size:20px;font-weight:800;color:var(--slate)}
.price s{font-size:13px;color:var(--muted-2)}
.lvl{font-size:11.5px;font-weight:600;color:var(--slate);background:var(--paper);border:1px solid var(--line);padding:3px 8px;border-radius:3px}

/* ---- Why / features ------------------------------------------------------ */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:820px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.feat-grid{grid-template-columns:1fr}}
.feat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.feat .fi{width:46px;height:46px;border-radius:10px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.feat h3{font-size:17px;margin-bottom:7px}
.feat p{font-size:14px;color:var(--muted);line-height:1.55}

/* ---- B2B band ------------------------------------------------------------ */
.band{background:var(--slate);color:#fff;border-radius:var(--radius-lg);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.band h2{color:#fff;margin-bottom:8px}
.band p{color:#c8d3de;max-width:52ch}

/* ---- Footer -------------------------------------------------------------- */
.footer{background:var(--slate);color:#aab6c2;margin-top:8px}
.footer .container{padding-top:52px;padding-bottom:28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.foot-grid{grid-template-columns:1fr}}
.footer h4{color:#fff;font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:16px}
.footer a{display:block;color:#aab6c2;font-size:14px;padding:5px 0}
.footer a:hover{color:#fff}
.footer .f-about p{font-size:14px;line-height:1.6;margin-top:14px;max-width:34ch}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8997a4}

/* ---- Page heading band --------------------------------------------------- */
.page-head{background:var(--slate);color:#fff;padding:32px 0}
.page-head h1{color:#fff}
.crumbs{font-size:13px;color:#b7c4d1;margin-bottom:10px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span{color:#7e8d9b}

/* ---- Catalog layout ------------------------------------------------------ */
.catalog{display:grid;grid-template-columns:264px 1fr;gap:30px;align-items:start}
@media(max-width:860px){.catalog{grid-template-columns:1fr}}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:4px 18px 14px;position:sticky;top:16px}
.filter-block{padding:16px 0;border-bottom:1px solid var(--line)}
.filter-block:last-child{border-bottom:0}
.filter-block h4{font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--slate);margin-bottom:12px}
.check{display:flex;align-items:center;gap:10px;padding:5px 0;font-size:14.5px;color:var(--ink);cursor:pointer}
.check input{width:17px;height:17px;accent-color:var(--blue);cursor:pointer}
.check .cnt{margin-left:auto;font-size:12.5px;color:var(--muted-2)}
.catalog-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.catalog-top .res{font-size:14px;color:var(--muted)}
.catalog-top select{height:40px;border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:0 12px;font-size:14px;background:#fff;color:var(--ink)}
.filters-bar{display:none}
@media(max-width:860px){
  .filters{position:static;display:none}
  .filters.open{display:block;margin-bottom:18px}
  .filters-bar{display:flex;gap:10px;margin-bottom:16px}
}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--blue-soft);color:var(--blue);border:1px solid #cfe0f2;border-radius:20px;padding:5px 12px;font-size:13px;font-weight:600}
.chip button{border:0;background:transparent;color:var(--blue);font-size:14px;line-height:1;padding:0}
.active-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}

/* ---- Course detail ------------------------------------------------------- */
.course-wrap{display:grid;grid-template-columns:1fr 360px;gap:34px;align-items:start}
@media(max-width:920px){.course-wrap{grid-template-columns:1fr}}
.course-hero-thumb{aspect-ratio:16/8;border-radius:var(--radius-lg);display:grid;place-items:center;color:rgba(255,255,255,.9);font-family:ui-monospace,monospace;font-size:13px;margin-bottom:26px}
.course-main h2{margin:30px 0 14px}
.course-main .lead{font-size:17px;color:var(--ink);line-height:1.7}
.course-main p{color:var(--ink);line-height:1.7;margin-bottom:14px}
.curriculum{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.mod{border-bottom:1px solid var(--line)}
.mod:last-child{border-bottom:0}
.mod-head{display:flex;align-items:center;gap:12px;padding:15px 18px;cursor:pointer;background:#fff}
.mod-head:hover{background:var(--paper)}
.mod-head .mn{font-size:13px;color:var(--muted-2);font-weight:700;width:24px}
.mod-head .mt{font-weight:600;color:var(--slate);flex:1}
.mod-head .ml{font-size:13px;color:var(--muted)}
.mod-head .mx{color:var(--muted-2);transition:transform .2s}
.mod.open .mx{transform:rotate(180deg)}
.mod-body{display:none;padding:0 18px 14px 54px}
.mod.open .mod-body{display:block}
.mod-body li{list-style:none;display:flex;align-items:center;gap:10px;padding:7px 0;font-size:14px;color:var(--ink);border-top:1px dashed var(--line)}
.mod-body li:first-child{border-top:0}
.mod-body .pi{color:var(--green)}
.instructor-card{display:flex;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.avatar{width:64px;height:64px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;color:#fff;font-weight:800;font-size:22px;background:linear-gradient(135deg,var(--blue),var(--slate))}

/* buy box */
.buybox{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;position:sticky;top:16px}
.buybox .bb-thumb{aspect-ratio:16/9;display:grid;place-items:center;color:#fff;font-family:ui-monospace,monospace;font-size:12px}
.buybox .bb-in{padding:20px}
.buybox .bb-price{display:flex;align-items:baseline;gap:10px;margin-bottom:4px}
.buybox .bb-price b{font-size:32px;font-weight:800;color:var(--slate)}
.buybox .bb-price s{font-size:16px;color:var(--muted-2)}
.buybox .bb-vat{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.qty{display:flex;align-items:center;gap:0;border:1px solid var(--line-2);border-radius:var(--radius-sm);width:fit-content;margin-bottom:14px}
.qty button{width:38px;height:40px;border:0;background:#fff;font-size:18px;color:var(--slate)}
.qty button:hover{background:var(--paper)}
.qty input{width:48px;height:40px;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line);text-align:center;font-size:15px;font-weight:600;color:var(--ink)}
.qty-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.bb-includes{list-style:none;margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.bb-includes li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink);padding:6px 0}
.bb-includes .pi{color:var(--green);flex:0 0 auto}

/* ---- Cart ---------------------------------------------------------------- */
.cart-layout{display:grid;grid-template-columns:1fr 360px;gap:30px;align-items:start}
@media(max-width:860px){.cart-layout{grid-template-columns:1fr}}
.cart-item{display:grid;grid-template-columns:120px 1fr auto;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px;align-items:center}
.cart-item .ci-thumb{aspect-ratio:16/10;border-radius:var(--radius-sm);display:grid;place-items:center;color:#fff;font-family:ui-monospace,monospace;font-size:10px}
.cart-item .ci-cat{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}
.cart-item h3{font-size:16px;margin-bottom:6px}
.cart-item h3 a:hover{color:var(--blue)}
.ci-meta{font-size:13px;color:var(--muted)}
.ci-right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.ci-price b{font-size:18px;font-weight:800;color:var(--slate)}
.ci-remove{background:transparent;border:0;color:var(--muted);font-size:13px;display:inline-flex;gap:5px;align-items:center}
.ci-remove:hover{color:var(--danger)}
@media(max-width:520px){.cart-item{grid-template-columns:80px 1fr}.ci-right{grid-column:1/-1;flex-direction:row;justify-content:space-between;align-items:center}}
.summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;position:sticky;top:16px}
.summary h3{margin-bottom:16px}
.sum-row{display:flex;justify-content:space-between;font-size:14.5px;color:var(--ink);padding:8px 0}
.sum-row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:14px;font-size:19px;font-weight:800;color:var(--slate)}
.empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:60px 24px;text-align:center}
.empty-state .ei{font-size:46px;margin-bottom:14px}
.empty-state h3{margin-bottom:8px}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---- Forms / auth -------------------------------------------------------- */
.auth-wrap{display:grid;place-items:center;padding:56px 16px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;max-width:440px;padding:34px}
.auth-card .head{text-align:center;margin-bottom:26px}
.auth-card .head h1{font-size:26px;margin-bottom:6px}
.auth-card .head p{color:var(--muted)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--slate);margin-bottom:6px}
.field input{width:100%;height:46px;border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:0 14px;font-size:15px;color:var(--ink);background:#fff}
.field input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.field.err input{border-color:var(--danger)}
.field .msg{font-size:12.5px;color:var(--danger);margin-top:5px;display:none}
.field.err .msg{display:block}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;font-size:14px}
.form-row a{color:var(--blue);font-weight:600}
.form-row a:hover{text-decoration:underline}
.checkline{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink)}
.checkline input{width:17px;height:17px;accent-color:var(--blue)}
.divider{display:flex;align-items:center;gap:14px;color:var(--muted-2);font-size:13px;margin:22px 0}
.divider::before,.divider::after{content:"";height:1px;background:var(--line);flex:1}
.auth-alt{text-align:center;margin-top:22px;font-size:14.5px;color:var(--muted)}
.auth-alt a{color:var(--blue);font-weight:700}
.auth-alt a:hover{text-decoration:underline}
.alert{border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;margin-bottom:18px;display:none}
.alert.show{display:block}
.alert-danger{background:#fbeae9;color:var(--danger);border:1px solid #f2c9c6}

/* ---- Checkout ------------------------------------------------------------ */
.checkout-layout{display:grid;grid-template-columns:1fr 380px;gap:30px;align-items:start}
@media(max-width:860px){.checkout-layout{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.panel h3{margin-bottom:18px;display:flex;align-items:center;gap:10px}
.panel h3 .step{width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:13px}
.pay-opts{display:flex;flex-direction:column;gap:10px}
.pay-opt{display:flex;align-items:center;gap:12px;border:1px solid var(--line-2);border-radius:var(--radius-sm);padding:13px 15px;cursor:pointer;font-weight:600;color:var(--slate)}
.pay-opt input{accent-color:var(--blue);width:18px;height:18px}
.pay-opt.sel{border-color:var(--blue);background:var(--blue-soft)}
.card-fields{margin-top:14px}
.mini-item{display:flex;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.mini-item .mi-th{width:54px;height:38px;border-radius:4px;flex:0 0 auto;display:grid;place-items:center;color:#fff;font-family:ui-monospace,monospace;font-size:9px}
.mini-item .mi-t{font-size:13.5px;font-weight:600;color:var(--slate);line-height:1.3}
.mini-item .mi-q{font-size:12px;color:var(--muted)}
.mini-item .mi-p{margin-left:auto;font-weight:700;color:var(--slate);font-size:14px;white-space:nowrap}
.success-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);max-width:560px;margin:50px auto;text-align:center;padding:44px 34px}
.success-box .ok{width:72px;height:72px;border-radius:50%;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:36px;margin:0 auto 18px}

/* ---- Account ------------------------------------------------------------- */
.acc-layout{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:start}
@media(max-width:780px){.acc-layout{grid-template-columns:1fr}}
.acc-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;position:sticky;top:16px}
.acc-user{padding:22px;border-bottom:1px solid var(--line);display:flex;gap:13px;align-items:center}
.acc-user .avatar{width:46px;height:46px;font-size:17px}
.acc-user b{display:block;font-size:15px;color:var(--slate)}
.acc-user span{font-size:12.5px;color:var(--muted)}
.acc-nav a{display:flex;align-items:center;gap:11px;padding:13px 22px;font-size:14.5px;font-weight:600;color:var(--ink);border-left:3px solid transparent}
.acc-nav a:hover{background:var(--paper)}
.acc-nav a.active{background:var(--blue-soft);color:var(--blue);border-left-color:var(--blue)}
.acc-panel{display:none}
.acc-panel.active{display:block}
.acc-panel h2{margin-bottom:20px}
.learn-card{display:grid;grid-template-columns:150px 1fr auto;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px;align-items:center}
.learn-card .lc-th{aspect-ratio:16/10;border-radius:var(--radius-sm);display:grid;place-items:center;color:#fff;font-family:ui-monospace,monospace;font-size:10px}
.learn-card h3{font-size:16px;margin-bottom:8px}
.progress{height:8px;background:var(--paper-2);border-radius:5px;overflow:hidden;margin:8px 0 6px}
.progress i{display:block;height:100%;background:var(--green);border-radius:5px}
.learn-card .pct{font-size:12.5px;color:var(--muted)}
.lc-act{display:flex;flex-direction:column;gap:8px;align-items:flex-end}
@media(max-width:560px){.learn-card{grid-template-columns:90px 1fr}.lc-act{grid-column:1/-1}}
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:560px){.cert-grid{grid-template-columns:1fr}}
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;gap:16px;align-items:center}
.cert .ci{width:50px;height:50px;border-radius:10px;background:var(--green-soft);color:var(--green);display:grid;place-items:center;font-size:24px;flex:0 0 auto}
.cert b{display:block;color:var(--slate);font-size:15px}
.cert span{font-size:12.5px;color:var(--muted)}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.table th{text-align:left;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);padding:13px 16px;background:var(--paper);border-bottom:1px solid var(--line)}
.table td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px}
.table tr:last-child td{border-bottom:0}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:20px;background:var(--green-soft);color:var(--green)}

/* ---- Variations page ----------------------------------------------------- */
.variants-page{background:var(--paper)}
.variant-frame{margin-bottom:46px}
.variant-frame>.vlabel{font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--slate);margin-bottom:6px}
.variant-frame>.vdesc{font-size:14px;color:var(--muted);margin-bottom:16px;max-width:60ch}
.variant-demo{display:grid;grid-template-columns:repeat(3,300px);gap:20px}
@media(max-width:1040px){.variant-demo{grid-template-columns:repeat(2,300px)}}
@media(max-width:680px){.variant-demo{grid-template-columns:1fr}}

/* card style B — horizontal */
.cc-b{display:grid;grid-template-columns:96px 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.cc-b .cc-thumb{aspect-ratio:auto;height:100%}
.cc-b .cc-body{padding:13px 14px}
.cc-b .cc-title{min-height:0;-webkit-line-clamp:2}

/* card style C — minimal accent bar */
.cc-c{border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:var(--radius);background:#fff;padding:18px}
.cc-c .cc-cat{margin-bottom:9px}
.cc-c .cc-title{min-height:0;margin-bottom:10px;font-size:17px}
.cc-c .cc-foot{border-top:0;padding-top:14px}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--slate);color:#fff;padding:12px 22px;border-radius:8px;font-size:14px;font-weight:600;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:opacity .25s, transform .25s;z-index:200;display:flex;align-items:center;gap:10px}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast .ti{color:var(--green-light)}

/* ---- Scroll-reveal animations -------------------------------------------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .5s ease, transform .5s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.08s}
.reveal-delay-2{transition-delay:.16s}
.reveal-delay-3{transition-delay:.24s}
.reveal-delay-4{transition-delay:.32s}

/* ---- Search autocomplete -------------------------------------------------- */
.search-drop{
  position:absolute;top:calc(100% + 6px);left:0;right:0;
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);
  box-shadow:var(--shadow-lg);z-index:120;overflow:hidden;display:none;
}
.search-drop.open{display:block}
.sd-item{
  display:flex;align-items:center;gap:12px;padding:10px 14px;cursor:pointer;
  font-size:14px;color:var(--ink);border-bottom:1px solid var(--line);
}
.sd-item:last-child{border-bottom:0}
.sd-item:hover,.sd-item.active{background:var(--paper)}
.sd-item .sd-ic{
  width:36px;height:36px;border-radius:6px;flex:0 0 auto;
  display:grid;place-items:center;color:#fff;font-size:11px;font-weight:800;font-family:ui-monospace,monospace;
}
.sd-item .sd-info{flex:1;min-width:0}
.sd-item .sd-title{font-weight:600;color:var(--slate);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sd-item .sd-cat{font-size:12px;color:var(--muted)}
.sd-item .sd-price{font-weight:700;color:var(--slate);white-space:nowrap;flex:0 0 auto}
.sd-empty{padding:14px;font-size:14px;color:var(--muted);text-align:center}

/* ---- Back to top ---------------------------------------------------------- */
.back-top{
  position:fixed;bottom:80px;right:24px;width:44px;height:44px;border-radius:50%;
  background:var(--slate);color:#fff;border:0;font-size:18px;
  display:grid;place-items:center;box-shadow:var(--shadow);
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;
  transform:translateY(10px);z-index:150;cursor:pointer;
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{background:var(--blue)}

/* ---- Hero SVG illustration ------------------------------------------------ */
.hero-visual{
  aspect-ratio:4/3;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  display:grid;place-items:center;
}
.hero-visual svg{width:100%;height:100%}

/* ---- Stat counter animation ----------------------------------------------- */
.hero-stats .s b{transition:color .3s}
.hero-stats .s b.pulse{color:var(--green-light)}

/* ---- Category card icon enhancement --------------------------------------- */
.cat-ic{font-size:22px;font-family:inherit}

/* ---- Improved course card hover ------------------------------------------- */
.course-card{transition:box-shadow .2s,transform .2s,border-color .2s}
.course-card:hover .cc-thumb{filter:brightness(1.08)}
.cc-thumb{transition:filter .2s}

/* ---- Progress bar animation ----------------------------------------------- */
@keyframes growBar{from{width:0}to{width:var(--w)}}
.progress i.animated{animation:growBar .6s ease forwards}