/* =========================================================
   Aqlly — AI asosidagi ta'lim platformasi
   Design system + components
   Modern AI / indigo-violet theme
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=Inter:wght@400;450;500;600;700&display=swap');

/* ---------- Tokens ---------- */
:root{
  /* brand */
  --indigo-50:#eef0ff;  --indigo-100:#e0e3ff; --indigo-200:#c6ccff;
  --indigo-300:#a5adff;  --indigo-400:#8189fb; --indigo-500:#635bff;
  --indigo-600:#5046e5;  --indigo-700:#4338ca;
  --violet-500:#8b5cf6;  --violet-600:#7c3aed;
  --cyan-400:#22d3ee;    --cyan-500:#06b6d4;
  --emerald-500:#10b981; --emerald-600:#059669;
  --amber-400:#fbbf24;   --amber-500:#f59e0b;
  --rose-500:#f43f5e;

  /* ink / neutrals */
  --ink-900:#0c1020;
  --ink-800:#161b2e;
  --ink-700:#2a3045;
  --ink-600:#475069;
  --ink-500:#6b7490;
  --ink-400:#9aa2b9;
  --line:#e8eaf2;
  --line-soft:#f0f1f7;
  --surface:#ffffff;
  --surface-2:#f7f8fc;
  --surface-3:#f1f3fa;
  --bg:#fbfbfe;

  /* effects */
  --grad-brand:linear-gradient(135deg,#635bff 0%,#7c3aed 55%,#06b6d4 130%);
  --grad-brand-2:linear-gradient(120deg,#5046e5,#8b5cf6);
  --grad-soft:linear-gradient(135deg,#eef0ff,#f6f0ff);
  --grad-ink:linear-gradient(135deg,#10142a 0%,#1b1f3b 60%,#241b46 100%);

  --shadow-xs:0 1px 2px rgba(16,20,42,.06);
  --shadow-sm:0 2px 8px rgba(16,20,42,.06);
  --shadow-md:0 10px 30px -12px rgba(28,27,80,.18);
  --shadow-lg:0 24px 60px -20px rgba(28,27,80,.28);
  --shadow-brand:0 18px 40px -16px rgba(99,91,255,.55);

  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px; --r-2xl:34px; --r-full:999px;

  --container:1200px;
  --nav-h:72px;

  --font-head:'Sora',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
}

/* ---------- Reset / base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font-body);color:var(--ink-800);
  background:var(--bg);line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;line-height:1.12;color:var(--ink-900);margin:0;letter-spacing:-.02em}
p{margin:0}
:focus-visible{outline:3px solid rgba(99,91,255,.45);outline-offset:2px;border-radius:6px}
::selection{background:rgba(99,91,255,.2)}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(56px,7vw,104px);position:relative}
.section--tight{padding-block:clamp(40px,5vw,72px)}
.center{text-align:center}
.lead{font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--ink-600);max-width:62ch}
.center .lead{margin-inline:auto}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-head);font-weight:600;font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--indigo-600);
  padding:7px 14px;border-radius:var(--r-full);
  background:var(--indigo-50);border:1px solid var(--indigo-100);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad-brand-2)}

.h-display{font-size:clamp(2.1rem,5.4vw,3.7rem);line-height:1.05}
.h-2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
.h-3{font-size:clamp(1.3rem,2.4vw,1.65rem)}
.gradient-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--ink-500)}
.section-head{max-width:680px;margin-bottom:clamp(36px,5vw,56px)}
.section-head .lead{margin-top:14px}
.center.section-head{margin-inline:auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-head);font-weight:600;font-size:.95rem;
  padding:13px 22px;border-radius:var(--r-full);
  transition:transform .18s ease,box-shadow .25s ease,background .2s ease,color .2s;
  white-space:nowrap;cursor:pointer;
}
.btn svg{width:18px;height:18px}
.btn-primary{color:#fff;background:var(--grad-brand-2);box-shadow:var(--shadow-brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px -14px rgba(99,91,255,.65)}
.btn-ghost{background:var(--surface);color:var(--ink-800);border:1px solid var(--line);box-shadow:var(--shadow-xs)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--indigo-200);box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{transform:translateY(-2px);background:#171c33}
.btn-light{background:#fff;color:var(--indigo-700)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-sm{padding:9px 16px;font-size:.86rem}
.btn-lg{padding:16px 28px;font-size:1.02rem}
.btn-block{width:100%}

/* ---------- Navbar ---------- */
.nav{
  position:sticky;top:0;z-index:60;height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(251,251,254,.72);backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s,box-shadow .3s;
}
.nav.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-sm);background:rgba(251,251,254,.86)}
.nav__inner{display:flex;align-items:center;gap:28px;width:100%}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-head);font-weight:800;font-size:1.22rem;color:var(--ink-900);letter-spacing:-.02em}
.brand__mark{
  width:38px;height:38px;border-radius:11px;background:var(--grad-brand-2);
  display:grid;place-items:center;color:#fff;box-shadow:var(--shadow-brand);flex:none;position:relative;overflow:hidden;
}
.brand__mark::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 30% 20%,rgba(255,255,255,.55),transparent)}
.brand__mark svg{width:21px;height:21px;position:relative;z-index:1}
.brand small{display:block;font-family:var(--font-body);font-weight:500;font-size:.62rem;letter-spacing:.14em;color:var(--ink-400);text-transform:uppercase;margin-top:-2px}
.nav__links{display:flex;align-items:center;gap:4px;margin-inline:auto}
.nav__links--mobile{display:none}      /* shown only under the 880px media query */
.nav__links a{
  font-size:.92rem;font-weight:500;color:var(--ink-600);padding:9px 14px;border-radius:var(--r-full);
  transition:color .2s,background .2s;
}
.nav__links a:hover,.nav__links a.active{color:var(--ink-900);background:var(--surface-3)}
.nav__actions{display:flex;align-items:center;gap:10px}
.lang{
  display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:600;color:var(--ink-600);
  padding:8px 12px;border-radius:var(--r-full);border:1px solid var(--line);background:var(--surface);transition:.2s;
}
.lang:hover{border-color:var(--indigo-200);color:var(--ink-900)}
.lang svg{width:15px;height:15px}
.nav__burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center}
.nav__burger span{position:relative;width:18px;height:2px;background:var(--ink-800);border-radius:2px;transition:.3s}
.nav__burger span::before,.nav__burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-800);border-radius:2px;transition:.3s}
.nav__burger span::before{top:-6px}.nav__burger span::after{top:6px}
body.nav-open .nav__burger span{background:transparent}
body.nav-open .nav__burger span::before{top:0;transform:rotate(45deg)}
body.nav-open .nav__burger span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;padding-top:clamp(40px,6vw,76px);padding-bottom:clamp(48px,7vw,96px);overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:-1;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5}
.blob--1{width:520px;height:520px;background:radial-gradient(circle,#a5adff,transparent 70%);top:-160px;right:-120px}
.blob--2{width:440px;height:440px;background:radial-gradient(circle,#d8b4fe,transparent 70%);top:120px;left:-160px;opacity:.45}
.blob--3{width:360px;height:360px;background:radial-gradient(circle,#a5f3fc,transparent 70%);bottom:-120px;right:18%;opacity:.4}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.3rem,5.6vw,4.05rem);letter-spacing:-.03em}
.hero .lead{margin-top:20px;font-size:clamp(1.05rem,1.7vw,1.24rem)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__stats{display:flex;gap:32px;margin-top:40px;flex-wrap:wrap}
.stat__num{font-family:var(--font-head);font-weight:800;font-size:clamp(1.5rem,2.6vw,2rem);color:var(--ink-900);line-height:1}
.stat__num .gradient-text{font-weight:800}
.stat__label{font-size:.84rem;color:var(--ink-500);margin-top:6px}
.hero__pillrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:26px}
.avatars{display:flex}
.avatars span{width:34px;height:34px;border-radius:50%;border:2.5px solid #fff;margin-left:-10px;background:var(--grad-brand-2);display:grid;place-items:center;color:#fff;font-size:.72rem;font-weight:700;box-shadow:var(--shadow-xs)}
.avatars span:first-child{margin-left:0}
.avatars span:nth-child(2){background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.avatars span:nth-child(3){background:linear-gradient(135deg,#10b981,#06b6d4)}
.avatars span:nth-child(4){background:linear-gradient(135deg,#f59e0b,#f43f5e)}
.rating-text{font-size:.86rem;color:var(--ink-600)}
.rating-text b{color:var(--ink-900)}
.stars{color:var(--amber-500);letter-spacing:1px}

/* hero visual */
.hero__visual{position:relative}
.float-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow-lg);padding:20px;
}
.hero-mockup{position:relative}
.hero-mockup .float-card{position:relative;z-index:2}
.mock-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.mock-thumb{width:100%;aspect-ratio:16/9;border-radius:var(--r-md);background:var(--grad-ink);position:relative;overflow:hidden;display:grid;place-items:center}
.mock-thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 80% 10%,rgba(124,58,237,.5),transparent 50%),radial-gradient(120% 120% at 10% 90%,rgba(6,182,212,.45),transparent 50%)}
.mock-play{width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;position:relative;z-index:1;box-shadow:var(--shadow-md)}
.mock-play svg{width:22px;height:22px;color:var(--indigo-600);margin-left:3px}
.mock-meta{margin-top:16px}
.mock-tags{display:flex;gap:8px;margin-bottom:10px}
.tag{font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:var(--r-full);background:var(--indigo-50);color:var(--indigo-600)}
.tag.tag--green{background:#e8fbf3;color:var(--emerald-600)}
.mock-progress{height:7px;border-radius:var(--r-full);background:var(--surface-3);overflow:hidden;margin-top:14px}
.mock-progress span{display:block;height:100%;width:68%;background:var(--grad-brand-2);border-radius:inherit}
.mock-row{display:flex;justify-content:space-between;align-items:center;font-size:.82rem;color:var(--ink-500);margin-top:10px}

.chip-float{
  position:absolute;background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-lg);padding:13px 16px;display:flex;align-items:center;gap:11px;z-index:3;
}
.chip-float .ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;flex:none}
.chip-float .ico svg{width:19px;height:19px}
.chip-float b{font-family:var(--font-head);font-size:.92rem;color:var(--ink-900);display:block;line-height:1.1}
.chip-float small{font-size:.74rem;color:var(--ink-500)}
.chip-ai{top:-26px;left:-30px;animation:floaty 5.5s ease-in-out infinite}
.chip-ai .ico{background:var(--grad-brand-2)}
.chip-cert{bottom:32px;right:-34px;animation:floaty 6.5s ease-in-out infinite .6s}
.chip-cert .ico{background:linear-gradient(135deg,#10b981,#06b6d4)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- Logos / trust strip ---------- */
.trust{padding-block:34px;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:var(--surface)}
.trust__label{text-align:center;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-400);font-weight:600;margin-bottom:20px}
.trust__row{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:18px 44px}
.trust__row .logo{display:flex;align-items:center;gap:9px;font-family:var(--font-head);font-weight:700;color:var(--ink-400);font-size:1.05rem;opacity:.85;transition:.2s}
.trust__row .logo:hover{opacity:1;color:var(--ink-600)}
.trust__row .logo svg{width:22px;height:22px}

/* ---------- Cards (generic) ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .25s ease,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--indigo-100)}

/* role cards */
.roles{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.role{padding:26px;border-radius:var(--r-lg);position:relative;overflow:hidden}
.role__ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;color:#fff;margin-bottom:18px}
.role__ico svg{width:24px;height:24px}
.role h3{font-size:1.16rem;margin-bottom:6px}
.role .role__tag{font-size:.76rem;font-weight:600;color:var(--ink-400);text-transform:uppercase;letter-spacing:.06em}
.role ul{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.role li{display:flex;align-items:flex-start;gap:9px;font-size:.9rem;color:var(--ink-600)}
.role li svg{width:16px;height:16px;color:var(--emerald-500);flex:none;margin-top:3px}
.role--admin .role__ico{background:linear-gradient(135deg,#6366f1,#8b5cf6)}
.role--teacher .role__ico{background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.role--student .role__ico{background:linear-gradient(135deg,#10b981,#06b6d4)}
.role--employer .role__ico{background:linear-gradient(135deg,#f59e0b,#f43f5e)}

/* ---------- Bento features ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;grid-auto-rows:minmax(0,auto)}
.feature{padding:28px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .25s,border-color .25s;position:relative;overflow:hidden}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--indigo-100)}
.feature__ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;background:var(--indigo-50);color:var(--indigo-600);margin-bottom:18px}
.feature__ico svg{width:23px;height:23px}
.feature h3{font-size:1.18rem;margin-bottom:8px}
.feature p{font-size:.93rem;color:var(--ink-600)}
.feature .pill-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pill{font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:var(--r-full);background:var(--surface-3);color:var(--ink-600)}
.col-3{grid-column:span 3}.col-2{grid-column:span 2}.col-4{grid-column:span 4}.col-6{grid-column:span 6}
.feature--wide{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;align-items:center}
.feature--accent{background:var(--grad-soft);border-color:var(--indigo-100)}

/* mini stat blocks for wide feature */
.mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini-stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:16px}
.mini-stat .n{font-family:var(--font-head);font-weight:800;font-size:1.5rem;color:var(--ink-900)}
.mini-stat .l{font-size:.78rem;color:var(--ink-500);margin-top:2px}
.mini-stat .bar{height:6px;border-radius:99px;background:var(--surface-3);margin-top:10px;overflow:hidden}
.mini-stat .bar span{display:block;height:100%;background:var(--grad-brand-2)}

/* ---------- AI section (dark) ---------- */
.ai-section{background:var(--grad-ink);color:#fff;border-radius:var(--r-2xl);padding:clamp(36px,5vw,68px);position:relative;overflow:hidden}
.ai-section::before{content:"";position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.45),transparent 70%);top:-200px;right:-120px;filter:blur(40px)}
.ai-section::after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.32),transparent 70%);bottom:-200px;left:-100px;filter:blur(40px)}
.ai-section .container,.ai-grid{position:relative;z-index:1}
.ai-section h2,.ai-section h3{color:#fff}
.ai-section .eyebrow{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#c9c2ff}
.ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.ai-section .lead{color:rgba(255,255,255,.74)}
.ai-feats{display:flex;flex-direction:column;gap:14px;margin-top:30px}
.ai-feat{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);transition:.25s}
.ai-feat:hover{background:rgba(255,255,255,.09);transform:translateX(4px)}
.ai-feat .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none;background:linear-gradient(135deg,rgba(124,58,237,.9),rgba(6,182,212,.85))}
.ai-feat .ico svg{width:21px;height:21px;color:#fff}
.ai-feat b{font-family:var(--font-head);font-size:1rem;color:#fff}
.ai-feat p{font-size:.88rem;color:rgba(255,255,255,.66);margin-top:3px}

/* chat mockup */
.chat-mock{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-xl);padding:22px;backdrop-filter:blur(8px)}
.chat-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:18px}
.chat-head .ai-ava{width:42px;height:42px;border-radius:12px;background:var(--grad-brand-2);display:grid;place-items:center}
.chat-head .ai-ava svg{width:21px;height:21px;color:#fff}
.chat-head b{color:#fff;font-family:var(--font-head)}
.chat-head small{color:#7fe0d0;font-size:.78rem;display:flex;align-items:center;gap:5px}
.chat-head small::before{content:"";width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 3px rgba(52,211,153,.25)}
.bubble{padding:13px 16px;border-radius:16px;font-size:.9rem;max-width:84%;margin-bottom:12px;line-height:1.5}
.bubble--ai{background:rgba(255,255,255,.1);color:rgba(255,255,255,.92);border-bottom-left-radius:5px}
.bubble--me{background:var(--grad-brand-2);color:#fff;margin-left:auto;border-bottom-right-radius:5px}
.chat-input{display:flex;align-items:center;gap:10px;margin-top:8px;padding:11px 14px;border-radius:var(--r-full);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14)}
.chat-input span{color:rgba(255,255,255,.5);font-size:.88rem;flex:1}
.chat-input .send{width:34px;height:34px;border-radius:50%;background:var(--grad-brand-2);display:grid;place-items:center}
.chat-input .send svg{width:16px;height:16px;color:#fff}
.typing{display:inline-flex;gap:4px;align-items:center}
.typing i{width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.6);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}

/* ---------- Steps / flow ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative}
.flow__line{position:absolute;top:34px;left:9%;right:9%;height:2px;background:linear-gradient(90deg,var(--indigo-200),var(--violet-500),var(--cyan-400));z-index:0;opacity:.5}
.step{position:relative;z-index:1;text-align:center;padding:8px}
.step__num{width:68px;height:68px;border-radius:20px;margin:0 auto 18px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm);color:var(--indigo-600);position:relative}
.step__num svg{width:28px;height:28px}
.step__num b{position:absolute;top:-8px;right:-8px;width:26px;height:26px;border-radius:50%;background:var(--grad-brand-2);color:#fff;font-size:.78rem;font-family:var(--font-head);display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.step h4{font-size:1.05rem;margin-bottom:6px}
.step p{font-size:.85rem;color:var(--ink-500)}

/* ---------- Course cards ---------- */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course-grid--4{grid-template-columns:repeat(4,1fr)}
.course{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
.course:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--indigo-100)}
.course__media{aspect-ratio:16/10;position:relative;overflow:hidden;background:var(--grad-ink)}
.course__media .cgrad{position:absolute;inset:0}
.cgrad--1{background:linear-gradient(135deg,#6366f1,#8b5cf6)}
.cgrad--2{background:linear-gradient(135deg,#06b6d4,#3b82f6)}
.cgrad--3{background:linear-gradient(135deg,#10b981,#06b6d4)}
.cgrad--4{background:linear-gradient(135deg,#f59e0b,#f43f5e)}
.cgrad--5{background:linear-gradient(135deg,#8b5cf6,#ec4899)}
.cgrad--6{background:linear-gradient(135deg,#0ea5e9,#6366f1)}
.course__media::after{content:"";position:absolute;inset:0;background:radial-gradient(130% 120% at 85% 8%,rgba(255,255,255,.28),transparent 45%)}
.course__badge{position:absolute;top:12px;left:12px;z-index:2;font-size:.72rem;font-weight:700;padding:6px 11px;border-radius:var(--r-full);background:rgba(255,255,255,.92);color:var(--indigo-700);backdrop-filter:blur(4px)}
.course__badge--free{color:var(--emerald-600)}
.course__fav{position:absolute;top:10px;right:10px;z-index:2;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--ink-500);transition:.2s}
.course__fav:hover{color:var(--rose-500)}
.course__fav svg{width:17px;height:17px}
.course__media . icon-big,.course__media .subj{position:absolute;left:16px;bottom:14px;z-index:2;color:#fff;font-family:var(--font-head);font-weight:700;font-size:1.05rem;text-shadow:0 1px 12px rgba(0,0,0,.3)}
.course__body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.course__cat{font-size:.76rem;font-weight:600;color:var(--indigo-600);text-transform:uppercase;letter-spacing:.04em}
.course__title{font-family:var(--font-head);font-weight:700;font-size:1.06rem;color:var(--ink-900);margin:7px 0 4px;line-height:1.3}
.course__by{font-size:.85rem;color:var(--ink-500);display:flex;align-items:center;gap:8px}
.course__by .tava{width:24px;height:24px;border-radius:50%;background:var(--grad-brand-2);display:grid;place-items:center;color:#fff;font-size:.66rem;font-weight:700}
.course__meta{display:flex;align-items:center;gap:14px;margin-top:14px;font-size:.82rem;color:var(--ink-500)}
.course__meta span{display:flex;align-items:center;gap:5px}
.course__meta svg{width:15px;height:15px}
.course__foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:16px;border-top:1px solid var(--line-soft)}
.course__rate{display:flex;align-items:center;gap:6px;font-size:.86rem;font-weight:600;color:var(--ink-800)}
.course__rate .stars{font-size:.8rem}
.course__price{font-family:var(--font-head);font-weight:800;font-size:1.12rem;color:var(--ink-900)}
.course__price small{font-size:.78rem;font-weight:500;color:var(--ink-400)}
.course__price.free{color:var(--emerald-600)}

/* ---------- Testimonials ---------- */
.tcards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tcard{padding:26px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.tcard .stars{margin-bottom:14px}
.tcard p{font-size:.96rem;color:var(--ink-700);line-height:1.6}
.tcard__by{display:flex;align-items:center;gap:12px;margin-top:20px}
.tcard__by .ava{width:44px;height:44px;border-radius:50%;background:var(--grad-brand-2);display:grid;place-items:center;color:#fff;font-weight:700;font-family:var(--font-head)}
.tcard__by b{display:block;font-family:var(--font-head);color:var(--ink-900);font-size:.95rem}
.tcard__by small{color:var(--ink-500);font-size:.82rem}

/* ---------- CTA band ---------- */
.cta-band{background:var(--grad-brand-2);border-radius:var(--r-2xl);padding:clamp(40px,6vw,72px);text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 140% at 20% 0%,rgba(255,255,255,.22),transparent 45%),radial-gradient(120% 140% at 90% 100%,rgba(6,182,212,.4),transparent 45%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,4vw,2.8rem)}
.cta-band p{color:rgba(255,255,255,.86);max-width:54ch;margin:16px auto 0}
.cta-band .hero__cta{justify-content:center;margin-top:30px}

/* ---------- Footer ---------- */
.footer{background:var(--ink-900);color:rgba(255,255,255,.7);padding-block:64px 30px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer .brand{color:#fff}
.footer .brand small{color:rgba(255,255,255,.4)}
.footer__about{font-size:.92rem;color:rgba(255,255,255,.55);margin-top:18px;max-width:36ch}
.footer__social{display:flex;gap:10px;margin-top:20px}
.footer__social a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.07);display:grid;place-items:center;color:rgba(255,255,255,.7);transition:.2s}
.footer__social a:hover{background:var(--grad-brand-2);color:#fff;transform:translateY(-2px)}
.footer__social svg{width:18px;height:18px}
.footer h5{color:#fff;font-size:.95rem;margin-bottom:16px}
.footer__col a{display:block;font-size:.9rem;color:rgba(255,255,255,.6);padding:6px 0;transition:.2s}
.footer__col a:hover{color:#fff;transform:translateX(3px)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem;color:rgba(255,255,255,.5)}
.footer__pay{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pay-chip{padding:5px 11px;border-radius:8px;background:rgba(255,255,255,.08);font-size:.74rem;font-weight:600;color:rgba(255,255,255,.75)}

/* ---------- payment strip ---------- */
.pay-strip{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.pay-card{display:flex;align-items:center;gap:11px;padding:15px 22px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-xs);font-family:var(--font-head);font-weight:700;color:var(--ink-800);transition:.2s}
.pay-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--indigo-100)}
.pay-card .pdot{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:#fff;font-size:.7rem;font-weight:800}

/* ---------- info popup (course-project credit) ---------- */
.info-fab{
  position:fixed;right:22px;bottom:22px;z-index:90;
  width:54px;height:54px;border-radius:50%;background:var(--grad-brand-2);color:#fff;
  display:grid;place-items:center;box-shadow:var(--shadow-brand);cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease;
}
.info-fab:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 22px 48px -14px rgba(99,91,255,.65)}
.info-fab svg{width:25px;height:25px}
.info-fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid var(--violet-500);opacity:.6;animation:fabpulse 2.4s ease-out infinite}
@keyframes fabpulse{0%{transform:scale(1);opacity:.55}70%,100%{transform:scale(1.7);opacity:0}}

.modal{position:fixed;inset:0;z-index:130;display:grid;place-items:center;padding:20px;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.modal.open{opacity:1;visibility:visible}
.modal__backdrop{position:absolute;inset:0;background:rgba(12,16,32,.58);backdrop-filter:blur(6px)}
.modal__card{
  position:relative;width:min(470px,100%);max-height:92vh;overflow-y:auto;
  background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);
  transform:translateY(22px) scale(.96);transition:transform .4s cubic-bezier(.2,.8,.2,1);
}
.modal.open .modal__card{transform:none}
.modal__head{background:var(--grad-ink);color:#fff;padding:30px 28px 26px;text-align:center;position:relative;overflow:hidden}
.modal__head::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.5),transparent 70%);top:-120px;right:-70px}
.modal__head::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.4),transparent 70%);bottom:-110px;left:-50px}
.modal__cap{width:64px;height:64px;border-radius:18px;margin:0 auto 14px;display:grid;place-items:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);position:relative}
.modal__cap svg{width:32px;height:32px;color:#fff}
.modal__badge{display:inline-block;font-family:var(--font-head);font-weight:600;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#c9c2ff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:6px 13px;border-radius:var(--r-full);margin-bottom:12px;position:relative}
.modal__head h3{color:#fff;font-size:1.32rem;position:relative}
.modal__head p{color:rgba(255,255,255,.66);font-size:.88rem;margin-top:6px;position:relative}
.modal__close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;z-index:2;transition:.2s}
.modal__close:hover{background:rgba(255,255,255,.24);transform:rotate(90deg)}
.modal__close svg{width:18px;height:18px}
.modal__body{padding:22px 26px 8px}
.info-row{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.info-row:last-of-type{border-bottom:none}
.info-row__ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none;background:var(--indigo-50);color:var(--indigo-600)}
.info-row__ico svg{width:20px;height:20px}
.info-row .k{font-size:.76rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-400)}
.info-row .v{font-family:var(--font-head);font-weight:700;font-size:1.02rem;color:var(--ink-900);margin-top:2px;line-height:1.25}
.info-row .v small{display:block;font-family:var(--font-body);font-weight:500;font-size:.84rem;color:var(--ink-500);margin-top:2px}
.modal__foot{padding:8px 26px 24px}
.modal__foot .btn{width:100%}

/* ---------- reveal anim (progressive enhancement) ---------- */
/* Hidden start state applies ONLY when JS is active (html.js). Without JS,
   or if the observer never fires, content stays fully visible. */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal.d1{transition-delay:.08s}.js .reveal.d2{transition-delay:.16s}.js .reveal.d3{transition-delay:.24s}.js .reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- page header (subpages) ---------- */
.page-hero{padding-top:clamp(40px,5vw,64px);padding-bottom:clamp(28px,4vw,44px);position:relative;overflow:hidden}
.page-hero .blob{opacity:.35}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--ink-500);margin-bottom:16px}
.breadcrumb a:hover{color:var(--indigo-600)}
.breadcrumb svg{width:14px;height:14px;color:var(--ink-300,#c3c8d8)}

/* =========================================================
   APP SHELL (dashboards)
   ========================================================= */
.app{display:grid;grid-template-columns:264px 1fr;min-height:100vh;background:var(--surface-2)}
.sidebar{background:var(--surface);border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.sidebar .brand{padding:6px 8px 22px;font-size:1.12rem}
.side-nav{display:flex;flex-direction:column;gap:3px}
.side-label{font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-400);padding:18px 12px 8px}
.side-nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:var(--r-md);font-size:.92rem;font-weight:500;color:var(--ink-600);transition:.18s}
.side-nav a svg{width:19px;height:19px;flex:none}
.side-nav a:hover{background:var(--surface-3);color:var(--ink-900)}
.side-nav a.active{background:var(--indigo-50);color:var(--indigo-700);font-weight:600}
.side-nav a .badge{margin-left:auto;font-size:.7rem;font-weight:700;background:var(--grad-brand-2);color:#fff;padding:2px 8px;border-radius:99px}
.side-pro{margin-top:auto;padding:18px;border-radius:var(--r-lg);background:var(--grad-ink);color:#fff;position:relative;overflow:hidden}
.side-pro::after{content:"";position:absolute;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.5),transparent 70%);top:-60px;right:-40px}
.side-pro b{font-family:var(--font-head);font-size:.98rem;position:relative}
.side-pro p{font-size:.8rem;color:rgba(255,255,255,.7);margin:6px 0 14px;position:relative}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{height:70px;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:18px;padding:0 28px;position:sticky;top:0;z-index:30}
.topbar h1{font-size:1.25rem}
.searchbar{display:flex;align-items:center;gap:10px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-full);padding:9px 16px;width:min(360px,40vw)}
.searchbar svg{width:17px;height:17px;color:var(--ink-400)}
.searchbar input{border:none;background:none;outline:none;font-family:inherit;font-size:.9rem;width:100%;color:var(--ink-800)}
.topbar__right{margin-left:auto;display:flex;align-items:center;gap:14px}
.icon-btn{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;color:var(--ink-600);position:relative;transition:.2s}
.icon-btn:hover{border-color:var(--indigo-200);color:var(--ink-900)}
.icon-btn svg{width:19px;height:19px}
.icon-btn .dot{position:absolute;top:9px;right:10px;width:8px;height:8px;border-radius:50%;background:var(--rose-500);border:2px solid #fff}
.u-chip{display:flex;align-items:center;gap:10px;padding:5px 6px 5px 5px;border-radius:var(--r-full);border:1px solid var(--line);background:var(--surface)}
.u-chip .ava{width:34px;height:34px;border-radius:50%;background:var(--grad-brand-2);display:grid;place-items:center;color:#fff;font-weight:700;font-size:.8rem}
.u-chip b{font-size:.86rem;color:var(--ink-900);font-family:var(--font-head)}
.u-chip small{font-size:.74rem;color:var(--ink-500);display:block;line-height:1}

.content{padding:28px;display:flex;flex-direction:column;gap:24px}
.page-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap}
.page-title-row p{color:var(--ink-500);margin-top:4px;font-size:.94rem}

.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-xs)}
.scard__top{display:flex;align-items:center;justify-content:space-between}
.scard__ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff}
.scard__ico svg{width:21px;height:21px}
.scard__delta{font-size:.78rem;font-weight:700;padding:4px 9px;border-radius:99px}
.up{background:#e8fbf3;color:var(--emerald-600)}
.down{background:#fdeaee;color:var(--rose-500)}
.scard__num{font-family:var(--font-head);font-weight:800;font-size:1.9rem;color:var(--ink-900);margin-top:16px;line-height:1}
.scard__label{font-size:.86rem;color:var(--ink-500);margin-top:4px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-xs)}
.panel__head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line-soft)}
.panel__head h3{font-size:1.1rem}
.panel__head a{font-size:.86rem;font-weight:600;color:var(--indigo-600)}
.panel__body{padding:22px}
.grid-2{display:grid;grid-template-columns:1.6fr 1fr;gap:24px}
.grid-2b{display:grid;grid-template-columns:1fr 1fr;gap:24px}
/* grid/flex children default to min-width:auto (min-content); allow them to
   shrink so long nowrap text/scrollable rows never force a track wider than
   the viewport (classic CSS grid overflow gotcha) */
.grid-2>*,.grid-2b>*,.cd-layout>*,.hero__grid>*,.ai-grid>*{min-width:0}

/* table */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:.76rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-400);font-weight:700;padding:12px 14px;border-bottom:1px solid var(--line)}
.tbl td{padding:14px;border-bottom:1px solid var(--line-soft);font-size:.9rem;color:var(--ink-700)}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--surface-2)}
.cell-course{display:flex;align-items:center;gap:12px}
.cell-course .th{width:46px;height:34px;border-radius:8px;flex:none}
.cell-course b{color:var(--ink-900);font-family:var(--font-head);font-size:.9rem;display:block}
.cell-course small{color:var(--ink-500);font-size:.78rem}
.badge-s{font-size:.74rem;font-weight:700;padding:4px 10px;border-radius:99px}
.badge-s.ok{background:#e8fbf3;color:var(--emerald-600)}
.badge-s.wait{background:#fff4e0;color:var(--amber-500)}
.badge-s.new{background:var(--indigo-50);color:var(--indigo-600)}

/* progress list */
.prog-item{display:flex;align-items:center;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-soft)}
.prog-item:last-child{border-bottom:none}
.prog-item .th{width:52px;height:40px;border-radius:9px;flex:none}
.prog-item .info{flex:1;min-width:0}
.prog-item .info b{font-family:var(--font-head);font-size:.9rem;color:var(--ink-900);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prog-item .bar{height:7px;border-radius:99px;background:var(--surface-3);margin-top:8px;overflow:hidden}
.prog-item .bar span{display:block;height:100%;background:var(--grad-brand-2);border-radius:99px}
.prog-item .pct{font-family:var(--font-head);font-weight:700;font-size:.86rem;color:var(--ink-700)}

/* donut + bars (svg-less simple charts) */
.bars{display:flex;align-items:flex-end;gap:12px;height:180px;padding-top:10px}
.bars .b{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%;justify-content:flex-end}
.bars .b i{display:block;width:100%;max-width:34px;border-radius:8px 8px 4px 4px;background:var(--grad-brand-2);opacity:.92;transition:height .8s cubic-bezier(.2,.7,.2,1)}
.bars .b:nth-child(odd) i{background:linear-gradient(180deg,#8b5cf6,#06b6d4)}
.bars .b small{font-size:.74rem;color:var(--ink-400)}

.legend{display:flex;flex-direction:column;gap:12px}
.legend li{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--ink-600)}
.legend .sw{width:12px;height:12px;border-radius:4px;flex:none}
.legend b{margin-left:auto;color:var(--ink-900);font-family:var(--font-head)}

/* certificate card */
.cert{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-sm)}
.cert__top{background:var(--grad-ink);color:#fff;padding:22px;position:relative;overflow:hidden}
.cert__top::after{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.5),transparent 70%);top:-80px;right:-60px}
.cert__top .seal{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#fbbf24,#f59e0b);display:grid;place-items:center;margin-bottom:14px;position:relative}
.cert__top .seal svg{width:24px;height:24px;color:#fff}
.cert__top b{font-family:var(--font-head);font-size:1.1rem;position:relative;display:block}
.cert__top small{color:rgba(255,255,255,.7);font-size:.82rem;position:relative}
.cert__foot{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--ink-500)}

/* =========================================================
   COURSE DETAIL / PLAYER
   ========================================================= */
.cd-hero{background:var(--grad-ink);color:#fff;padding-block:clamp(34px,5vw,56px);position:relative;overflow:hidden}
.cd-hero::after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.4),transparent 70%);top:-200px;right:-100px}
.cd-hero .container{position:relative;z-index:1}
.cd-hero h1{color:#fff;font-size:clamp(1.7rem,3.6vw,2.5rem);max-width:20ch}
.cd-hero .lead{color:rgba(255,255,255,.74);margin-top:14px;max-width:60ch}
.cd-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:.9rem;color:rgba(255,255,255,.82)}
.cd-meta span{display:flex;align-items:center;gap:7px}
.cd-meta svg{width:17px;height:17px;color:#a5adff}
.cd-by{display:flex;align-items:center;gap:11px;margin-top:22px}
.cd-by .ava{width:46px;height:46px;border-radius:50%;background:var(--grad-brand-2);display:grid;place-items:center;color:#fff;font-weight:700;font-family:var(--font-head)}
.cd-by b{color:#fff;font-family:var(--font-head)}
.cd-by small{color:rgba(255,255,255,.6)}

.cd-layout{display:grid;grid-template-columns:1fr 360px;gap:32px;align-items:start;margin-top:-90px;position:relative;z-index:5}
.player{background:#0b0e1c;border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.1);box-shadow:var(--shadow-lg)}
.player__screen{aspect-ratio:16/9;position:relative;display:grid;place-items:center;background:var(--grad-ink)}
.player__screen::after{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 80% 10%,rgba(124,58,237,.5),transparent 50%),radial-gradient(120% 120% at 10% 90%,rgba(6,182,212,.4),transparent 50%)}
.player__screen .mock-play{width:76px;height:76px;z-index:1}
.player__screen .mock-play svg{width:28px;height:28px}
.player__bar{display:flex;align-items:center;gap:14px;padding:14px 18px;color:rgba(255,255,255,.8)}
.player__bar .pp{width:40px;height:40px;border-radius:50%;background:var(--grad-brand-2);display:grid;place-items:center;flex:none}
.player__bar .pp svg{width:18px;height:18px;color:#fff}
.player__bar .ptrack{flex:1;height:6px;border-radius:99px;background:rgba(255,255,255,.15);overflow:hidden}
.player__bar .ptrack span{display:block;height:100%;width:34%;background:var(--grad-brand-2)}
.player__bar .ptime{font-size:.8rem;font-variant-numeric:tabular-nums}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:28px 0 22px;overflow-x:auto}
.tabs button{padding:13px 18px;font-family:var(--font-head);font-weight:600;font-size:.94rem;color:var(--ink-500);border-bottom:2px solid transparent;white-space:nowrap;transition:.2s}
.tabs button.active{color:var(--indigo-700);border-bottom-color:var(--indigo-600)}
.tabs button:hover{color:var(--ink-900)}
.tabpane{display:none}.tabpane.active{display:block;animation:fade .4s}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.feat-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat-list li{display:flex;gap:10px;align-items:flex-start;font-size:.94rem;color:var(--ink-700)}
.feat-list svg{width:18px;height:18px;color:var(--emerald-500);flex:none;margin-top:3px}

/* curriculum accordion */
.curri{display:flex;flex-direction:column;gap:12px}
.module{border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface)}
.module__head{display:flex;align-items:center;gap:14px;padding:16px 18px;cursor:pointer;transition:.2s}
.module__head:hover{background:var(--surface-2)}
.module__head .mi{width:34px;height:34px;border-radius:9px;background:var(--indigo-50);color:var(--indigo-600);display:grid;place-items:center;font-family:var(--font-head);font-weight:700;flex:none}
.module__head b{font-family:var(--font-head);font-size:.98rem;color:var(--ink-900)}
.module__head small{color:var(--ink-500);font-size:.8rem}
.module__head .chev{margin-left:auto;color:var(--ink-400);transition:.3s}
.module.open .chev{transform:rotate(180deg)}
.module__body{display:none;padding:0 18px 8px}
.module.open .module__body{display:block}
.lesson{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line-soft);font-size:.9rem;color:var(--ink-600)}
.lesson .li{width:30px;height:30px;border-radius:8px;background:var(--surface-3);display:grid;place-items:center;color:var(--ink-500);flex:none}
.lesson .li svg{width:15px;height:15px}
.lesson.done .li{background:#e8fbf3;color:var(--emerald-600)}
.lesson .dur{margin-left:auto;font-size:.8rem;color:var(--ink-400)}
.lesson .lock svg{width:15px;height:15px;color:var(--ink-300,#c3c8d8)}

/* buy card (sticky) */
.buy-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);overflow:hidden;position:sticky;top:90px}
.buy-card__media{aspect-ratio:16/10;position:relative}
.buy-card__media::after{content:"";position:absolute;inset:0;background:radial-gradient(130% 120% at 85% 8%,rgba(255,255,255,.25),transparent 45%)}
.buy-card__media .mock-play{position:absolute;inset:0;margin:auto;width:60px;height:60px}
.buy-card__body{padding:22px}
.price-row{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.price-row .now{font-family:var(--font-head);font-weight:800;font-size:1.9rem;color:var(--ink-900)}
.price-row .was{font-size:1rem;color:var(--ink-400);text-decoration:line-through}
.price-row .off{font-size:.76rem;font-weight:700;color:var(--emerald-600);background:#e8fbf3;padding:3px 9px;border-radius:99px}
.buy-incl{margin:18px 0;display:flex;flex-direction:column;gap:11px}
.buy-incl li{display:flex;align-items:center;gap:11px;font-size:.9rem;color:var(--ink-600)}
.buy-incl svg{width:18px;height:18px;color:var(--indigo-500);flex:none}

/* ---------- filters (catalog) ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip-filter{padding:9px 16px;border-radius:var(--r-full);border:1px solid var(--line);background:var(--surface);font-size:.88rem;font-weight:500;color:var(--ink-600);transition:.18s;cursor:pointer}
.chip-filter:hover{border-color:var(--indigo-200);color:var(--ink-900)}
.chip-filter.active{background:var(--ink-900);color:#fff;border-color:var(--ink-900)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.select{display:flex;align-items:center;gap:8px;padding:10px 14px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);font-size:.88rem;font-weight:500;color:var(--ink-700)}
.select svg{width:15px;height:15px;color:var(--ink-400)}

/* career / jobs */
.job{display:flex;gap:18px;align-items:flex-start;padding:22px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-xs);transition:.22s}
.job:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--indigo-100)}
.job__logo{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;color:#fff;font-family:var(--font-head);font-weight:800;font-size:1.3rem;flex:none}
.job__main{flex:1;min-width:0}
.job__main h3{font-size:1.1rem}
.job__co{font-size:.88rem;color:var(--ink-500);margin-top:2px}
.job__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.job__side{text-align:right;flex:none}
.job__pay{font-family:var(--font-head);font-weight:800;color:var(--ink-900)}
.job__pay small{font-size:.78rem;color:var(--ink-400);font-weight:500}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__visual{max-width:520px;margin-inline:auto}
  .ai-grid{grid-template-columns:1fr;gap:36px}
  .roles{grid-template-columns:repeat(2,1fr)}
  .course-grid--4{grid-template-columns:repeat(2,1fr)}
  .cd-layout{grid-template-columns:1fr;margin-top:-60px}
  .buy-card{position:static}
  .footer__grid{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:880px){
  .nav__links{display:none}
  .nav__burger{display:flex}
  .nav__links--mobile{display:flex;flex-direction:column;position:fixed;inset:var(--nav-h) 0 auto;background:var(--surface);padding:18px 24px 26px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);gap:4px;transform:translateY(-130%);transition:transform .35s cubic-bezier(.2,.8,.2,1);z-index:55;margin:0}
  body.nav-open .nav__links--mobile{transform:translateY(0)}
  .nav__links--mobile a{padding:13px 14px;font-size:1rem}
  .nav__actions .btn-ghost{display:none}   /* "Kirish" lives in the burger menu on mobile */
  .bento{grid-template-columns:1fr}
  .col-3,.col-2,.col-4,.col-6{grid-column:auto}
  .feature--wide{grid-template-columns:1fr}
  .grid-2b{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow__line{display:none}
  .course-grid{grid-template-columns:1fr 1fr}
  .tcards{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr 1fr}
  .lang--hide{display:none}
  /* app shell */
  .app{grid-template-columns:1fr}
  .sidebar{display:none}
}
@media (max-width:560px){
  .container{padding-inline:18px}
  .roles{grid-template-columns:1fr}
  .course-grid,.course-grid--4{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .stat-cards{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr}
  .hero__stats{gap:22px}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .feat-list{grid-template-columns:1fr}
  .chip-cert,.chip-ai{position:static;display:inline-flex;margin:8px 6px 0 0;animation:none}
  /* vacancy cards: stack the price/apply column below on small screens */
  .job{flex-wrap:wrap}
  .job__main{flex:1 1 60%}
  .job__side{flex:1 1 100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:4px;padding-top:14px;border-top:1px solid var(--line-soft)}
  .job__side .btn{margin-top:0 !important}
}