:root{--bg:#061f26;--bg2:#0b3942;--primary:#0e9f99;--primary2:#52e0d3;--ink:#10262c;--muted:#667a80;--surface:#fff;--soft:#f2f7f7;--line:#dce7e8;--danger:#b42318;--success:#067647;--radius:18px;--shadow:0 18px 60px rgba(4,35,43,.12);--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}.container{width:min(var(--max),calc(100% - 36px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(4,43,51,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:14px;color:#fff}.brand img{width:165px;height:38px;object-fit:contain;object-position:left center}.brand span{display:grid;border-left:1px solid rgba(255,255,255,.22);padding-left:14px}.brand strong{font-size:1.02rem;line-height:1.05}.brand small{font-size:.72rem;color:#a6d9d6;letter-spacing:.04em}.main-nav{display:flex;align-items:center;gap:22px;color:#dcebec;font-size:.94rem}.main-nav a:hover{color:#fff}.nav-toggle{display:none;background:none;border:0;color:white;font-size:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;padding:13px 19px;cursor:pointer;transition:.2s ease}.btn:hover{transform:translateY(-1px);background:#0b8e89}.btn-secondary{background:var(--ink)}.btn-light{background:#fff;color:var(--bg)}.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.32)}.btn-outline{background:transparent;border:1px solid var(--line);color:var(--ink)}.btn-sm{padding:9px 13px;border-radius:10px;font-size:.9rem}.btn-wide{width:100%}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#7cebe0;font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:.75rem}.hero{background:linear-gradient(125deg,#042d35 0%,#07434c 48%,#0a6465 100%);color:#fff;overflow:hidden}.hero-grid{min-height:680px;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:56px;padding:76px 0}.hero h1{font-size:clamp(3rem,6vw,6.3rem);line-height:.94;letter-spacing:-.055em;margin:18px 0 22px;max-width:830px}.hero p{font-size:1.14rem;color:#d7ebec;max-width:670px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.trust-line{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;color:#b6d7d8;font-size:.9rem}.hero-media{position:relative}.hero-media img{border-radius:28px;box-shadow:0 35px 80px rgba(0,0,0,.28);aspect-ratio:1.35;object-fit:cover}.hero-media:before{content:"";position:absolute;inset:-30px;background:radial-gradient(circle at 30% 20%,rgba(82,224,211,.35),transparent 42%);filter:blur(12px)}.hero-media img{position:relative}.floating-card{position:absolute;left:-32px;bottom:28px;background:#fff;color:var(--ink);padding:18px 20px;border-radius:16px;box-shadow:var(--shadow);min-width:220px}.floating-card strong{display:block;font-size:1.35rem}.floating-card small{color:var(--muted)}.section{padding:86px 0}.section.soft{background:var(--soft)}.section.dark{background:var(--bg);color:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}.section-head h2{font-size:clamp(2rem,4vw,3.6rem);letter-spacing:-.04em;line-height:1.02;margin:0;max-width:750px}.section-head p{max-width:520px;color:var(--muted);margin:0}.dark .section-head p{color:#b9d0d2}.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.category-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.2s}.category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8d8d8}.category-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:#e3fbf8;color:#087a75;font-size:1.25rem;margin-bottom:18px}.category-card h3{margin:0 0 6px;font-size:1.15rem}.category-card p{margin:0;color:var(--muted);font-size:.93rem}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.course-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;transition:.2s}.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.course-cover{height:210px;position:relative;display:flex;align-items:end;padding:20px;color:#fff;background:linear-gradient(135deg,#07434c,#0e9f99);overflow:hidden}.course-cover:after{content:"";position:absolute;width:190px;height:190px;border:35px solid rgba(255,255,255,.08);border-radius:50%;right:-65px;top:-60px}.course-cover .pill{position:absolute;top:16px;left:16px}.course-cover h3{margin:0;font-size:1.45rem;line-height:1.05;position:relative;z-index:2}.course-body{padding:22px;display:flex;flex-direction:column;flex:1}.course-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.84rem;margin:0 0 14px}.course-body p{color:var(--muted);font-size:.93rem;flex:1}.course-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px}.pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.16);font-size:.74rem;font-weight:800;letter-spacing:.03em}.pill.dark{background:#e9f4f4;color:#27565b}.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;counter-reset:step}.step{padding:24px;border-radius:18px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05)}.step:before{counter-increment:step;content:"0" counter(step);display:block;color:#69ded4;font-weight:900;font-size:.8rem;letter-spacing:.08em;margin-bottom:28px}.step h3{margin:0 0 6px;font-size:1rem}.step p{margin:0;color:#a8c7c8;font-size:.88rem}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.media-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.stat strong{font-size:2rem;display:block;letter-spacing:-.04em}.stat span{color:var(--muted);font-size:.86rem}.cta-panel{background:linear-gradient(135deg,#062d35,#0c5d61);color:#fff;border-radius:28px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px}.cta-panel h2{margin:0;font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-.04em;line-height:1.02}.cta-panel p{color:#c9e0e1;margin:.7rem 0 0}.flash{margin-top:16px;padding:13px 16px;border-radius:12px}.flash.success{background:#ecfdf3;color:var(--success)}.flash.error{background:#fff0f0;color:var(--danger)}.page-hero{background:var(--bg);color:#fff;padding:72px 0 58px}.page-hero h1{font-size:clamp(2.6rem,5vw,4.8rem);letter-spacing:-.05em;line-height:1;margin:12px 0}.page-hero p{max-width:760px;color:#bad0d2;font-size:1.08rem}.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}.filter-chip{padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff}.filter-chip.active{background:var(--bg);color:#fff;border-color:var(--bg)}.detail-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:46px;align-items:start}.content-card,.sidebar-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.sidebar-card{position:sticky;top:100px;box-shadow:var(--shadow)}.curriculum{display:grid;gap:14px}.module{border:1px solid var(--line);border-radius:16px;overflow:hidden}.module h3{margin:0;padding:16px 18px;background:#f6f9f9;font-size:1rem}.lesson-row{display:flex;justify-content:space-between;gap:15px;padding:14px 18px;border-top:1px solid var(--line);font-size:.92rem}.lesson-row span:last-child{color:var(--muted)}.form-shell{width:min(540px,calc(100% - 36px));margin:70px auto}.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow)}.form-card h1{margin:0 0 6px;letter-spacing:-.03em}.form-card>p{margin:0 0 25px;color:var(--muted)}.field{display:grid;gap:7px;margin-bottom:16px}.field label{font-size:.88rem;font-weight:700}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd9da;border-radius:11px;padding:12px 13px;background:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,159,153,.12)}.field textarea{min-height:120px;resize:vertical}.form-note{font-size:.84rem;color:var(--muted)}.dashboard-layout{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 78px)}.dash-side{background:#f7fafb;border-right:1px solid var(--line);padding:28px 18px}.dash-side h3{margin:0 0 20px}.dash-side nav{display:grid;gap:7px}.dash-side a{padding:10px 12px;border-radius:10px;color:#476167}.dash-side a:hover,.dash-side a.active{background:#e5f6f5;color:#096d69}.dash-main{padding:36px}.dash-title{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:28px}.dash-title h1{margin:0;letter-spacing:-.04em}.learning-list{display:grid;gap:14px}.learning-item{display:grid;grid-template-columns:1fr auto;gap:18px;padding:20px;border:1px solid var(--line);border-radius:16px}.progress{height:8px;border-radius:99px;background:#e7eeee;overflow:hidden}.progress>span{display:block;height:100%;background:var(--primary);border-radius:inherit}.learn-layout{display:grid;grid-template-columns:310px 1fr;min-height:calc(100vh - 78px)}.learn-sidebar{border-right:1px solid var(--line);background:#f7fafb;padding:22px;overflow:auto}.learn-sidebar h2{font-size:1rem;margin:0 0 18px}.learn-module{margin-bottom:20px}.learn-module strong{font-size:.82rem;color:#597176;text-transform:uppercase;letter-spacing:.05em}.learn-link{display:flex;align-items:flex-start;gap:9px;padding:10px;border-radius:9px;font-size:.88rem;margin-top:4px}.learn-link.active{background:#dff5f2;color:#096d69;font-weight:700}.learn-link.done:before{content:"✓";color:var(--success)}.learn-link:not(.done):before{content:"○";color:#8aa0a4}.learn-main{padding:34px 40px}.video-box{aspect-ratio:16/9;background:#092f37;border-radius:18px;display:grid;place-items:center;color:#d8e9ea;overflow:hidden}.video-box iframe,.video-box video{width:100%;height:100%;border:0}.lesson-content{max-width:860px}.lesson-actions{display:flex;justify-content:space-between;gap:12px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}.certificate{max-width:980px;margin:60px auto;border:12px double #0b5f64;padding:58px;text-align:center;background:#fff;box-shadow:var(--shadow)}.certificate .seal{width:75px;height:75px;border-radius:50%;display:grid;place-items:center;margin:20px auto;background:var(--bg);color:#fff;font-weight:900}.certificate h1{font-family:Georgia,serif;letter-spacing:.04em}.verify-valid{display:inline-flex;padding:8px 12px;border-radius:999px;background:#ecfdf3;color:var(--success);font-weight:800}.site-footer{background:#031f26;color:#c9dedf;padding:58px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px}.footer-grid h4{color:#fff;margin-top:0}.footer-grid a{display:block;margin:8px 0;color:#bfd6d7}.footer-brand img{width:160px}.footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:.83rem;color:#87aeb0}
/* Admin */.admin-body{background:#f4f7f7}.admin-top{height:68px;background:#042d35;color:#fff;display:flex;align-items:center}.admin-top .container{display:flex;justify-content:space-between;align-items:center}.admin-layout{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 68px)}.admin-side{background:#fff;border-right:1px solid var(--line);padding:22px 14px}.admin-side a{display:block;padding:10px 12px;border-radius:9px;color:#526b70;margin:2px 0}.admin-side a:hover,.admin-side a.active{background:#e5f6f5;color:#08736f}.admin-main{padding:30px}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.admin-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.admin-card strong{display:block;font-size:1.8rem}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}.data-table{width:100%;border-collapse:collapse;font-size:.9rem}.data-table th,.data-table td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{background:#f7f9f9;color:#61777b;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}.inline-actions{display:flex;gap:7px;flex-wrap:wrap}.admin-panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:20px}.admin-panel h2{margin-top:0}.section-order{display:grid;gap:8px}.section-order-item{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:10px}.curriculum-builder{display:grid;gap:12px}.builder-module{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fbfdfd}.builder-lessons{display:grid;gap:8px;margin-top:10px}.builder-lesson{display:grid;grid-template-columns:1.2fr .55fr 1fr auto;gap:8px}.media-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.media-item{border:1px solid var(--line);border-radius:12px;padding:10px;background:white}.media-item img{aspect-ratio:4/3;object-fit:cover;border-radius:8px;margin-bottom:8px}.quiz-q{padding:14px;border:1px solid var(--line);border-radius:12px;margin:12px 0}.quiz-options{display:grid;gap:8px}.quiz-options label{padding:10px 12px;border:1px solid var(--line);border-radius:10px;cursor:pointer}
@media(max-width:980px){.hero-grid,.split,.detail-grid{grid-template-columns:1fr}.hero-grid{min-height:auto;padding:58px 0}.hero h1{font-size:clamp(3rem,12vw,5rem)}.hero-media{max-width:720px}.category-grid,.course-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}.footer-grid>div:last-child{grid-column:2}.dashboard-layout,.learn-layout{grid-template-columns:1fr}.dash-side,.learn-sidebar{display:none}.admin-layout{grid-template-columns:1fr}.admin-side{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--line);white-space:nowrap}.admin-main{padding:22px}.admin-grid{grid-template-columns:repeat(2,1fr)}.media-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;top:78px;left:0;right:0;background:#042d35;padding:18px;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav .btn{text-align:center}.brand img{width:135px}.brand small{display:none}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}.category-grid,.course-grid,.stats,.footer-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.floating-card{position:relative;left:auto;bottom:auto;margin:-28px 18px 0}.cta-panel{padding:34px 26px;display:block}.cta-panel .btn{margin-top:20px}.dash-main,.learn-main{padding:22px 18px}.learning-item{grid-template-columns:1fr}.admin-grid{grid-template-columns:1fr}.builder-lesson{grid-template-columns:1fr}.media-grid{grid-template-columns:repeat(2,1fr)}.certificate{margin:24px 18px;padding:30px 18px;border-width:7px}.footer-grid>div:last-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.site-header,.site-footer,.certificate-actions{display:none!important}.certificate{box-shadow:none;margin:0 auto}}