.lessons-page{--lesson-dark:#080a08}.lessons-nav{top:0}.lessons-hero{position:relative;min-height:calc(100vh - 64px);padding:100px 0 82px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.lesson-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to bottom,#000 8%,transparent 96%)}
.lessons-hero:after{content:"";position:absolute;width:620px;height:620px;right:2%;top:8%;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 13%,transparent),transparent 68%);filter:blur(18px);pointer-events:none}
.lessons-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(46px,6vw,100px);align-items:center}.lessons-hero-copy h1{font-size:clamp(64px,6.4vw,106px);line-height:.9;letter-spacing:-.07em}.lessons-hero-copy h1 span{color:var(--accent)}.lessons-hero-copy>p{max-width:680px;margin-top:30px;color:var(--muted);font-size:19px;line-height:1.7}.lessons-hero-copy .hero-buttons{margin-top:34px}
.hero-video-shell{border:1px solid #3b4438;border-radius:22px;background:#070907;box-shadow:0 45px 120px rgba(0,0,0,.48),0 0 90px color-mix(in srgb,var(--accent) 7%,transparent);overflow:hidden;transform:rotate(1.2deg)}.video-window-bar{height:52px;padding:0 18px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;font:800 9px/1 var(--mono);color:var(--muted)}.video-window-bar>span{display:flex;gap:6px}.video-window-bar i{width:8px;height:8px;border-radius:50%;background:var(--line2)}.video-window-bar i:first-child{background:var(--danger)}.video-window-bar i:nth-child(2){background:#f0bd46}.video-window-bar i:last-child{background:var(--accent)}.video-window-bar b{letter-spacing:.11em}.video-window-bar em{font-style:normal}.hero-video-shell video{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;background:#050605}.video-now-playing{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px}.video-now-playing span{display:flex;align-items:center;gap:7px;color:var(--accent);font:800 8px/1 var(--mono);letter-spacing:.1em}.video-now-playing i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}.video-now-playing b{font-size:12px}
.lessons-catalog{background:#eff0eb;color:#111510}.lessons-heading{text-align:center;max-width:880px;margin:0 auto}.lessons-heading h2{font-size:clamp(54px,6vw,88px);color:#111510}.lessons-heading p{max-width:720px;margin:24px auto 0;color:#626a60;font-size:18px}.lesson-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin:42px 0 54px}.lesson-filters button{border:1px solid #ccd1c8;border-radius:999px;background:#fff;color:#545c52;padding:10px 16px;font:800 10px/1 var(--mono);cursor:pointer;transition:.2s}.lesson-filters button:hover,.lesson-filters button.active{background:#111510;border-color:#111510;color:var(--accent)}
.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.lesson-card{min-width:0;border:1px solid #242924;border-radius:21px;background:#0c0e0c;color:#f3f0e5;overflow:hidden;box-shadow:0 24px 55px rgba(29,35,27,.12);transition:transform .3s,opacity .25s}.lesson-card:hover{transform:translateY(-8px)}.lesson-card.is-filtered{display:none}.lesson-cover{position:relative;height:260px;overflow:hidden;background:#131713}.lesson-cover img{width:100%;height:100%;object-fit:cover;filter:saturate(.74) contrast(1.05);transition:transform .45s,filter .45s}.lesson-card:hover .lesson-cover img{transform:scale(1.045);filter:saturate(1) contrast(1.08)}.cover-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,6,.12),rgba(5,8,6,.26) 42%,#0c0e0c 100%),linear-gradient(90deg,rgba(5,8,6,.18),transparent 70%)}.lesson-cover:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(135deg,#000,transparent 72%)}.lesson-cover strong{position:absolute;z-index:2;left:24px;bottom:20px;font-size:35px;line-height:.86;letter-spacing:-.055em;text-shadow:0 3px 20px #000}.lesson-cover small{position:absolute;z-index:3;right:15px;top:15px;padding:7px 9px;border:1px solid rgba(255,255,255,.25);border-radius:7px;background:rgba(5,8,6,.68);backdrop-filter:blur(8px);font:800 9px/1 var(--mono)}.play-mark{position:absolute;z-index:3;left:24px;top:20px;width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:14px;box-shadow:0 0 0 10px rgba(213,255,69,.13),0 15px 35px rgba(0,0,0,.3)}.cover-n8n .play-mark{background:var(--danger);color:#fff}.cover-architecture .play-mark,.cover-code .play-mark{background:var(--blue);color:#05131a}.cover-memory .play-mark{background:#b88cff}.cover-tools .play-mark{background:#ffcb55}.cover-sales .play-mark{background:var(--danger);color:#fff}
.lesson-card-body{padding:26px}.module-label{display:inline-flex;padding:7px 9px;border:1px solid #3a4438;border-radius:999px;color:var(--accent);font:800 8px/1 var(--mono);letter-spacing:.1em}.lesson-card h3{font-size:28px;line-height:1.05;margin-top:21px;letter-spacing:-.045em}.lesson-card p{color:#9ca49a;font-size:13px;line-height:1.7;margin-top:16px}.lesson-card ul{list-style:none;padding:0;margin:26px 0 0;border-top:1px solid #2c322b}.lesson-card li{padding:12px 0;border-bottom:1px solid #2c322b;font-size:11px}.lesson-card li:before{content:"↗";margin-right:9px;color:var(--accent)}.lesson-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}.lesson-tags span{padding:7px 9px;border:1px solid #313730;border-radius:999px;background:#131613;color:#9ca49a;font:700 8px/1 var(--mono)}
.lesson-update-card{min-height:100%;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,rgba(213,255,69,.16),#0c0e0c 55%);border-color:#61752d}.update-radar{height:260px;position:relative;display:grid;place-items:center;overflow:hidden;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:34px 34px}.update-radar i{position:absolute;border:1px solid rgba(213,255,69,.32);border-radius:50%}.update-radar i:nth-child(1){width:110px;height:110px}.update-radar i:nth-child(2){width:190px;height:190px}.update-radar i:nth-child(3){width:280px;height:280px}.update-radar b{width:88px;height:88px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--accent-ink);font-size:48px;box-shadow:0 0 55px rgba(213,255,69,.28)}.lesson-update-card .button{margin-top:28px;width:100%}
.learning-path{background:#0b0d0b;border-block:1px solid var(--line);overflow:hidden}.learning-path:before{content:"";position:absolute;width:660px;height:660px;left:-280px;bottom:-390px;border-radius:50%;background:radial-gradient(circle,rgba(213,255,69,.17),transparent 68%)}.learning-path-grid{position:relative;z-index:1;display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;align-items:start}.path-copy{position:sticky;top:120px}.path-copy h2{font-size:clamp(50px,5.5vw,82px)}.path-copy p{max-width:600px;color:var(--muted);font-size:17px;line-height:1.7;margin-top:25px}.path-steps{display:grid;gap:12px}.path-steps>div{min-height:170px;padding:28px;border:1px solid var(--line);border-radius:18px;background:#111511;display:grid;grid-template-columns:60px 1fr;gap:7px 18px;align-content:center}.path-steps span{grid-row:1/3;color:var(--accent);font:900 12px/1 var(--mono)}.path-steps b{font-size:24px}.path-steps small{color:var(--muted);font-size:12px}.lessons-final{padding:120px 0;background:var(--accent);color:var(--accent-ink)}.lessons-final-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:100px;align-items:end}.lessons-final h2{font-size:clamp(52px,5.4vw,86px)}.lessons-final p{font-size:18px;line-height:1.7}.lessons-final .button{margin-top:28px;background:#111510;border-color:#111510;color:#fff}.lessons-page .footer{border-top:0}
@media(max-width:1100px){.lessons-hero-grid,.learning-path-grid,.lessons-final-grid{grid-template-columns:1fr}.lessons-hero-copy{max-width:900px}.hero-video-shell{max-width:900px;transform:none}.lesson-grid{grid-template-columns:1fr 1fr}.path-copy{position:static}.learning-path-grid,.lessons-final-grid{gap:54px}}
@media(max-width:700px){.lessons-hero{padding:64px 0}.lessons-hero-copy h1{font-size:clamp(52px,15vw,72px)}.lessons-hero-copy>p{font-size:16px}.video-now-playing{align-items:start;flex-direction:column}.lesson-grid{grid-template-columns:1fr}.lesson-cover{height:235px}.lessons-heading{text-align:left}.lesson-filters{justify-content:flex-start;margin-block:30px 38px}.lessons-catalog{padding-top:92px}.path-steps>div{grid-template-columns:42px 1fr}.lessons-final{padding:84px 0}.lessons-final-grid{gap:38px}}
@media(prefers-reduced-motion:reduce){.lesson-card,.lesson-cover img{transition:none}}