.landing-body{margin:0;color:#13233b;background:#fff}.landing-page{--land-navy:#07192e;--land-blue:#087ef5;--land-cyan:#18c7e7;--land-muted:#64748b;overflow:hidden;min-height:100vh}.landing-container{width:min(1160px,calc(100% - 40px));margin:0 auto}.landing-header{position:fixed;z-index:1050;top:0;right:0;left:0;border-bottom:1px solid rgba(219,230,240,.8);background:rgba(255,255,255,.9);backdrop-filter:blur(16px)}.landing-nav{height:76px;display:flex;align-items:center}.landing-logo{display:flex;align-items:center;gap:10px;color:var(--land-navy)}.landing-logo:hover{color:var(--land-navy)}.landing-logo .brand-mark{width:39px;height:39px;border-radius:11px}.landing-logo strong,.landing-logo small{display:block}.landing-logo strong{font-size:1.08rem;line-height:1;letter-spacing:.12em}.landing-logo small{color:#8290a2;font-size:.5rem;letter-spacing:.34em;margin-top:5px}.landing-nav nav{display:flex;gap:31px;margin-left:auto}.landing-nav nav a{color:#536278;font-size:.77rem;font-weight:650}.landing-nav nav a:hover{color:var(--land-blue)}.landing-nav-actions{display:flex;align-items:center;gap:9px;margin-left:36px}.landing-login-btn{padding:10px 15px;color:#33445c;border:1px solid #dfe7ef;border-radius:10px;font-size:.72rem;font-weight:700}.landing-login-btn:hover{color:var(--land-blue);border-color:#bcd8f5}.landing-primary-btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 17px;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--land-blue),#056bdc);font-size:.72rem;font-weight:750;box-shadow:0 10px 25px rgba(8,126,245,.18)}.landing-primary-btn:hover{color:#fff;transform:translateY(-1px)}.landing-menu-button{display:none;margin-left:auto;border:0;color:var(--land-navy);background:transparent;font-size:1.4rem}
.landing-hero{position:relative;padding:150px 0 86px;background:radial-gradient(circle at 86% 20%,rgba(24,199,231,.13),transparent 24%),radial-gradient(circle at 14% 70%,rgba(8,126,245,.08),transparent 28%),linear-gradient(180deg,#f7fbff 0%,#fff 100%)}.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:74px}.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;color:#0878b7;border:1px solid #cfebf6;border-radius:22px;background:#effaff;font-size:.63rem;font-weight:750;letter-spacing:.04em}.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--land-cyan);box-shadow:0 0 0 4px rgba(24,199,231,.13)}.hero-copy h1{max-width:650px;margin:22px 0 19px;color:var(--land-navy);font-size:clamp(2.8rem,5vw,4.75rem);line-height:1.02;letter-spacing:-.06em;font-weight:820}.hero-copy h1 em{color:var(--land-blue);font-style:normal}.hero-copy>p{max-width:610px;color:var(--land-muted);font-size:.94rem;line-height:1.8}.hero-actions{display:flex;gap:11px;margin-top:29px}.hero-main-btn{padding:14px 21px;border-radius:12px;font-size:.78rem}.hero-main-btn span{margin-left:12px;font-size:1rem}.hero-secondary-btn{display:inline-flex;align-items:center;padding:13px 19px;color:#35475f;border:1px solid #dce6ef;border-radius:12px;background:#fff;font-size:.76rem;font-weight:700}.hero-secondary-btn:hover{color:var(--land-blue)}.hero-trust{display:flex;gap:34px;margin-top:39px}.hero-trust>div{padding-left:13px;border-left:2px solid #dceaf5}.hero-trust strong,.hero-trust span{display:block}.hero-trust strong{color:var(--land-navy);font-size:1rem}.hero-trust span{color:#8290a2;font-size:.61rem;margin-top:2px}
.bot-preview{position:relative;padding:18px}.bot-window{position:relative;z-index:2;overflow:hidden;width:min(410px,100%);margin:0 auto;border:1px solid #dce8f1;border-radius:24px;background:#dbe9f3;box-shadow:0 30px 70px rgba(35,77,112,.18);transform:rotate(1.5deg)}.bot-window-head{height:69px;display:flex;align-items:center;gap:10px;padding:12px 17px;color:#fff;background:#0d2138}.bot-avatar{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:linear-gradient(145deg,var(--land-cyan),var(--land-blue));font-weight:850}.bot-window-head strong,.bot-window-head small{display:block}.bot-window-head strong{font-size:.75rem}.bot-window-head small{color:#90a5bb;font-size:.57rem;margin-top:2px}.bot-window-head small i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#3ad395;margin-right:4px}.bot-window-head b{margin-left:auto;color:#8297ad}.bot-chat{min-height:420px;padding:30px 20px;background:radial-gradient(circle at 10% 20%,rgba(255,255,255,.45),transparent 28%),#dfeaf2}.bot-date{width:max-content;margin:0 auto 18px;padding:4px 9px;border-radius:10px;color:#75879a;background:rgba(255,255,255,.75);font-size:.52rem}.bot-message{width:88%;padding:15px;border-radius:8px 17px 17px 17px;background:#fff;box-shadow:0 4px 13px rgba(31,66,95,.08)}.bot-message strong,.bot-message span{display:block}.bot-message strong{font-size:.76rem}.bot-message p,.bot-message span{font-size:.64rem;line-height:1.5}.bot-message p{color:#58697e;margin:6px 0}.bot-message span{color:#1b2f47;font-weight:650}.bot-options{display:grid;grid-template-columns:1fr 1fr;gap:7px;width:88%;margin-top:9px}.bot-options span{padding:10px 8px;border-radius:9px;color:#1974a4;background:#fff;text-align:center;font-size:.57rem;font-weight:700;box-shadow:0 3px 10px rgba(31,66,95,.06)}.preview-chip{position:absolute;z-index:3;padding:9px 12px;border:1px solid #d8e8f2;border-radius:11px;background:#fff;box-shadow:0 10px 28px rgba(31,69,99,.14);font-size:.62rem;font-weight:700}.chip-top{top:4px;right:-15px;color:#168761}.chip-bottom{left:-14px;bottom:32px;color:#0c82c1}
.landing-section{padding:92px 0}.courses-section{background:#fff}.landing-section-heading{text-align:center;margin-bottom:40px}.landing-section-heading>span,.section-kicker{display:block;color:var(--land-blue);font-size:.63rem;font-weight:800;letter-spacing:.16em;margin-bottom:10px}.landing-section-heading h2,.advantages-grid h2{color:var(--land-navy);font-size:clamp(1.8rem,3.2vw,2.75rem);letter-spacing:-.045em;font-weight:790;margin:0 0 11px}.landing-section-heading p,.advantages-grid>div>p{max-width:600px;margin:0 auto;color:var(--land-muted);font-size:.79rem;line-height:1.7}.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.course-card{position:relative;overflow:hidden;min-height:350px;padding:24px;border:1px solid #e2eaf1;border-radius:17px;background:#fff;box-shadow:0 8px 25px rgba(35,70,100,.05);transition:.2s}.course-card:hover{transform:translateY(-5px);box-shadow:0 18px 38px rgba(35,70,100,.1)}.course-card:before{content:'';position:absolute;inset:0 0 auto;height:3px;background:#18bfe1}.course-blue:before{background:#087ef5}.course-violet:before{background:#8067e8}.course-amber:before{background:#f2aa32}.course-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;color:#0a8dac;background:#e8faff;font-size:.9rem;font-weight:800}.course-blue .course-icon{color:#087ef5;background:#eaf4ff}.course-violet .course-icon{color:#7259dc;background:#f0edff}.course-amber .course-icon{color:#b6750c;background:#fff5df}.course-card h3{font-size:1.05rem;margin:21px 0 10px;font-weight:760}.course-card p{min-height:105px;color:var(--land-muted);font-size:.7rem;line-height:1.65}.course-tags{display:flex;flex-wrap:wrap;gap:6px;margin:17px 0}.course-tags span{padding:5px 8px;border-radius:13px;color:#687990;background:#f1f5f8;font-size:.56rem;font-weight:650}.course-card>a{color:var(--land-blue);font-size:.65rem;font-weight:750}
.advantages-section{background:#f3f8fc}.advantages-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:center}.advantages-grid>div>p{margin:0 0 25px}.advantage-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.advantage-list article{display:flex;gap:14px;padding:21px;border:1px solid #dfeaf2;border-radius:15px;background:#fff}.advantage-list article>span{display:grid;place-items:center;flex:0 0 auto;width:36px;height:36px;border-radius:10px;color:#087dbb;background:#e7f6fc;font-size:.62rem;font-weight:800}.advantage-list h3{font-size:.78rem;margin:0 0 5px}.advantage-list p{color:var(--land-muted);font-size:.65rem;line-height:1.55;margin:0}.landing-cta{padding:76px 0;background:#fff}.cta-card{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:48px 54px;border-radius:24px;color:#fff;background:radial-gradient(circle at 82% 20%,rgba(24,199,231,.26),transparent 28%),linear-gradient(135deg,#0a2b4b,#07192e);box-shadow:0 25px 60px rgba(7,25,46,.18)}.cta-card>div{max-width:680px}.cta-card span{color:#55d9ef;font-size:.61rem;font-weight:800;letter-spacing:.15em}.cta-card h2{font-size:clamp(1.65rem,3vw,2.5rem);letter-spacing:-.04em;margin:9px 0}.cta-card p{color:#9fb1c4;font-size:.75rem;line-height:1.7;margin:0}.cta-button{flex:0 0 auto;padding:14px 20px;border-radius:12px;color:#082038;background:#fff;font-size:.74rem;font-weight:800}.cta-button:hover{color:var(--land-blue)}.cta-button b{margin-left:13px}.landing-footer{padding:30px 0;border-top:1px solid #e4ebf1}.landing-footer>.landing-container{display:flex;align-items:center;gap:35px}.landing-footer p{color:#7a899b;font-size:.65rem;margin:0}.landing-footer>.landing-container>div{display:flex;gap:9px;margin-left:auto;color:#8391a3;font-size:.65rem}.landing-footer a{color:var(--land-blue)}
@media(max-width:1050px){.hero-grid{gap:35px}.course-grid{grid-template-columns:1fr 1fr}.course-card{min-height:310px}.course-card p{min-height:70px}.advantages-grid{gap:40px}}@media(max-width:820px){.landing-nav nav,.landing-nav-actions{display:none}.landing-menu-button{display:block}.landing-menu-open .landing-header{background:#fff}.landing-menu-open .landing-nav{height:auto;min-height:76px;flex-wrap:wrap;padding:18px 0}.landing-menu-open .landing-nav nav{order:3;display:flex;width:100%;flex-direction:column;gap:0;padding:12px 0}.landing-menu-open .landing-nav nav a{padding:10px}.landing-menu-open .landing-nav-actions{order:4;display:flex;width:100%;margin:0 0 10px}.hero-grid{grid-template-columns:1fr}.hero-copy{text-align:center}.hero-copy>p{margin-right:auto;margin-left:auto}.hero-actions,.hero-trust{justify-content:center}.bot-preview{width:min(500px,100%);margin:0 auto}.advantages-grid{grid-template-columns:1fr}.advantages-grid>div:first-child{text-align:center}.advantages-grid>div>p{margin-right:auto;margin-left:auto}.landing-footer>.landing-container{flex-wrap:wrap}}@media(max-width:600px){.landing-container{width:min(100% - 28px,1160px)}.landing-hero{padding:120px 0 58px}.hero-copy h1{font-size:2.55rem}.hero-actions{flex-direction:column}.hero-actions>a{width:100%}.hero-trust{gap:12px}.hero-trust>div{flex:1}.bot-preview{padding:8px}.preview-chip{display:none}.bot-chat{min-height:360px}.landing-section{padding:65px 0}.course-grid,.advantage-list{grid-template-columns:1fr}.course-card{min-height:auto}.course-card p{min-height:auto}.cta-card{align-items:flex-start;flex-direction:column;padding:34px 27px}.cta-button{width:100%;text-align:center}.landing-footer>.landing-container{align-items:flex-start;flex-direction:column;gap:15px}.landing-footer>.landing-container>div{margin-left:0}.landing-menu-open .landing-nav-actions{flex-direction:column}.landing-menu-open .landing-nav-actions a{text-align:center}.bot-options{grid-template-columns:1fr}}