/* ODIN Chứng chỉ chuyên gia V1.2 · light enterprise · scoped to .odin-cert */
.odin-cert{--c-navy:#123952;--c-deep:#0c2b40;--c-ink:#1b3549;--c-muted:#526977;--c-teal:#0a7076;--c-gold:#bf995c;--c-line:#d8e4e9;--c-soft:#f1f7f8;--c-white:#fff;color:var(--c-ink);background:#f7fafb;font-size:17px;line-height:1.68;overflow-wrap:anywhere}
.odin-cert,.odin-cert *{box-sizing:border-box}.odin-cert a{color:#075e67;text-decoration:underline;text-underline-offset:3px}.odin-cert a:hover{color:#073e4d}.odin-cert a:focus-visible,.odin-cert button:focus-visible,.odin-cert input:focus-visible{outline:3px solid #c48d34;outline-offset:3px}
.odin-cert h1,.odin-cert h2,.odin-cert h3{color:#17374c;font-family:inherit;letter-spacing:-.025em;line-height:1.24;font-weight:750;max-width:none}
.odin-cert h1{font-size:clamp(32px,4vw,48px);margin:0 0 20px}.odin-cert h2{font-size:clamp(24px,2.8vw,32px);margin:32px 0 16px}.odin-cert h3{font-size:21px;margin:0 0 12px}
.odin-cert p,.odin-cert li{font-size:17px;line-height:1.72}.odin-cert p{margin:0 0 18px}.odin-cert strong,.odin-cert b{font-weight:720}
.cert-container{max-width:1160px;width:calc(100% - 48px);margin:auto}.odin-cert .cert-topline{padding:9px 0;background:#eaf2f4;border-bottom:1px solid #d7e4e8;color:#345a6b;font-size:12px;font-weight:750;letter-spacing:.06em}.cert-topline .cert-container{display:flex;justify-content:space-between;gap:18px}
.odin-cert .cert-subnav{background:#fff;border-bottom:1px solid #dce7eb;position:relative}.odin-cert .cert-nav-scroll{display:flex;gap:28px;align-items:center;overflow-x:auto;scrollbar-width:thin}
.odin-cert .cert-subnav a{display:inline-flex;align-items:center;white-space:nowrap;min-height:53px;padding:10px 0;border-bottom:3px solid transparent;color:#3b5767;text-decoration:none;font-size:15px;font-weight:650}
.odin-cert .cert-subnav a.current{color:#076971;border-color:#0b7074}.odin-cert .cert-subnav a:hover{color:#075969}
.odin-cert .cert-main{padding:35px 0 72px}.odin-cert .cert-back{margin:0 0 22px;font-size:15px}.odin-cert .cert-back a{font-weight:700}
.odin-cert .cert-article>h1,.odin-cert .cert-article>.cert-intro,.odin-cert .cert-article>.cert-meta,.odin-cert .cert-article>.cert-kicker{max-width:840px}
.odin-cert .cert-kicker{font-size:12px;color:#096d72;letter-spacing:.1em;font-weight:800;margin:0 0 13px;text-transform:uppercase}.odin-cert .cert-intro{font-size:19px;line-height:1.65;color:#496778}
.odin-cert .cert-meta{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 28px}.odin-cert .cert-meta span{background:#e9f3f4;border:1px solid #cddfe3;color:#325867;font-size:13px;font-weight:650;padding:6px 10px;border-radius:999px}
.odin-cert .cert-hero{border-radius:24px;padding:49px clamp(26px,4.5vw,60px);background:linear-gradient(115deg,#11344e,#1a4f62);color:white;display:grid;grid-template-columns:1.28fr .72fr;gap:34px;align-items:center;min-height:370px;box-shadow:0 15px 34px rgba(18,53,78,.12)}
.odin-cert .cert-hero h1{color:#fff;margin-bottom:14px}.odin-cert .cert-hero p{color:#e0eff2}.odin-cert .cert-hero .cert-kicker{color:#c8dcae}.odin-cert .cert-hero .cert-lead{color:#f9e2ad;font-size:21px;font-weight:700;line-height:1.4;margin:0 0 14px}
.odin-cert .cert-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.odin-cert .cert-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 19px;border:1px solid transparent;border-radius:10px;min-height:47px;text-decoration:none;font-weight:750;font-size:15px;line-height:1.35;cursor:pointer}
.odin-cert .cert-primary{background:#ddbb7b;border-color:#ddbb7b;color:#19384b}.odin-cert .cert-primary:hover{background:#edcf95;color:#153448}.odin-cert .cert-outline{border-color:#bfd4db;color:#fff;background:transparent}.odin-cert .cert-outline:hover{background:#fff;color:#17384d}
.odin-cert .cert-hero-visual{border:1px solid rgba(207,239,239,.2);border-radius:24px;min-height:264px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 50% 42%,rgba(117,201,200,.22),transparent 65%);position:relative}.odin-cert .cert-v-mini{font-size:11px;letter-spacing:.16em;color:#bcd6df;font-weight:800}.odin-cert .cert-hero-visual strong{font-size:clamp(30px,3.5vw,45px);line-height:1.17;letter-spacing:.05em;color:#f0f9f8;margin:18px auto}.odin-cert .cert-v-caption{font-size:12px;color:#e2c899;max-width:190px}
.odin-cert .cert-section{padding:32px 0 20px}.odin-cert .cert-section h2{margin-top:0}.odin-cert .cert-grid{display:grid;gap:18px;margin:23px 0}.odin-cert .cert-three{grid-template-columns:repeat(3,minmax(0,1fr))}.odin-cert .cert-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.odin-cert .cert-card,.odin-cert .cert-feature{background:#fff;border:1px solid #dbe5ea;border-radius:17px;padding:24px;box-shadow:0 7px 23px rgba(24,67,86,.035)}.odin-cert .cert-card p,.odin-cert .cert-feature p{color:#506878;font-size:16px}.odin-cert .cert-card a,.odin-cert .cert-feature a{display:inline-block;margin:5px 12px 0 0;font-weight:750;font-size:15px}
.odin-cert .cert-chip{display:inline-block;color:#076c71;background:#e7f3f2;border-radius:999px;padding:5px 10px;font-size:12px;letter-spacing:.04em;font-weight:750;margin-bottom:12px}.odin-cert .cert-feature{background:#edf5f6;border-left:4px solid #b89354}.odin-cert .cert-alt{border-block:1px solid #e3ecef;margin:24px 0}
.odin-cert .cert-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.odin-cert .cert-steps>div{border-left:3px solid #0e7376;background:#fff;padding:18px;border-radius:6px 12px 12px 6px}.odin-cert .cert-steps b{color:#214758}.odin-cert .cert-steps p{font-size:15px;color:#526c79;margin:8px 0 0}.odin-cert .cert-list{padding-left:26px;max-width:920px}.odin-cert .cert-list li{margin:12px 0}
.odin-cert .cert-notice{background:#f5f0e5;border:1px solid #e4d5b5;color:#594a2e;padding:21px 23px;border-radius:12px;margin:33px 0;font-size:15px;line-height:1.6}.odin-cert .cert-notice a{color:#755010}.odin-cert .cert-fine{font-size:14px;color:#546d79}
.odin-cert .cert-bottom{border-top:1px solid #d4e3e7;background:#eaf2f4;padding:23px 0;color:#345767}.odin-cert .cert-bottom p{margin:0;font-size:14px}
.odin-cert .cert-article>p:not(.cert-intro):not(.cert-kicker):not(.cert-meta){max-width:900px}
.odin-cert .cert-quiz-wrap{max-width:900px}.odin-cert .cert-qhead{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:14px;font-weight:700;color:#37646c;margin:17px 0}
.odin-cert .cert-progress{height:8px;background:#deeaee;border-radius:999px;overflow:hidden;margin-bottom:25px}.odin-cert .cert-progress span{display:block;height:100%;background:#148283;width:0;transition:width .2s}
.odin-cert fieldset{margin:0 0 17px;border:0;padding:0}.odin-cert legend{font-size:20px;line-height:1.5;font-weight:730;color:#213e53;margin-bottom:16px}.odin-cert .cert-choice{display:flex;gap:12px;align-items:start;margin:11px 0;background:white;border:1px solid #d6e4e9;border-radius:12px;padding:15px 17px;cursor:pointer;font-size:16px;line-height:1.55}.odin-cert .cert-choice:has(input:checked){border-color:#137a7b;background:#eef8f7}.odin-cert .cert-choice input{margin-top:5px;flex-shrink:0;accent-color:#126e74;width:18px;height:18px}
.odin-cert .cert-qactions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:24px 0}.odin-cert .cert-quiz-btn{background:#176b70;color:white;border:0;border-radius:9px;padding:13px 20px;min-height:46px;font-size:15px;font-weight:750;cursor:pointer}.odin-cert .cert-quiz-btn:disabled{opacity:.45;cursor:not-allowed}
.odin-cert .cert-result{border-radius:14px;border:1px solid #cde4e2;background:#f0f8f6;padding:23px}.odin-cert .cert-result h2{margin:0 0 12px}.odin-cert .cert-review{border-top:1px solid #d6e6e4;padding:16px 0}.odin-cert .cert-review p{font-size:15px;margin:6px 0}
.odin-cert .cert-review strong{color:#16465a}.odin-cert .cert-quiz-expl{font-size:15px}
@media(max-width:1000px){.odin-cert .cert-three{grid-template-columns:repeat(2,minmax(0,1fr))}.odin-cert .cert-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.cert-container{width:calc(100% - 32px)}.odin-cert{font-size:16px}.odin-cert h1{font-size:32px}.odin-cert h2{font-size:25px}.odin-cert .cert-topline{font-size:10px}.odin-cert .cert-topline .cert-container span:last-child{display:none}.odin-cert .cert-hero{grid-template-columns:1fr;gap:15px;padding:30px 22px}.odin-cert .cert-hero-visual{min-height:170px}.odin-cert .cert-hero-visual strong{font-size:29px}.odin-cert .cert-main{padding:25px 0 48px}.odin-cert .cert-three,.odin-cert .cert-two{grid-template-columns:1fr}.odin-cert .cert-steps{grid-template-columns:1fr 1fr}.odin-cert .cert-card,.odin-cert .cert-feature{padding:20px}.odin-cert p,.odin-cert li{font-size:16px}.odin-cert .cert-intro{font-size:18px}.odin-cert .cert-subnav a{font-size:14px;min-height:50px}.odin-cert .cert-nav-scroll{gap:20px}.odin-cert .cert-qactions{flex-wrap:wrap}.odin-cert .cert-actions{flex-direction:column}.odin-cert .cert-btn{width:100%}}
@media(max-width:420px){.odin-cert .cert-steps{grid-template-columns:1fr}.odin-cert .cert-meta span{font-size:12px}.odin-cert .cert-hero{border-radius:14px}.odin-cert .cert-hero-visual{display:none}}