/* tierb.css — giao diện dùng chung Tier B "Money" (Khoá 26–30)
   Palette "Ngân Xanh" (chị Phi duyệt 2026-06-12):
   nền #F7FAF8 · mực #14201A · xanh ngân hàng #166534 · vàng đồng #B45309
   LIGHT MODE bắt buộc. */
:root{
  --bg:#F7FAF8; --card:#FFFFFF; --ink:#14201A; --muted:#57534E;
  --green:#166534; --green-d:#14532D; --green-l:#DCFCE7;
  --copper:#B45309; --copper-d:#92400E; --copper-l:#FEF3C7;
  --teal:#0F766E; --teal-l:#CCFBF1;
  --red:#B91C1C; --red-l:#FEE2E2;
  --line:#E7E5E4; --serif:'Fraunces',Georgia,serif; --sans:'Be Vietnam Pro',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.7;overflow-x:hidden}
em{font-style:normal}

/* ── GATE cứng ── */
#gate{position:fixed;inset:0;z-index:300;background:linear-gradient(160deg,#F7FAF8 0%,#ECFDF5 55%,#FEF9EE 100%);display:flex;align-items:center;justify-content:center;padding:20px;overflow-y:auto}
#gate.hidden{display:none}
.gate-box{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 80px rgba(20,32,26,.14);max-width:430px;width:100%;padding:36px 32px;text-align:center;position:relative;margin:auto}
.gate-logo{width:64px;height:64px;border-radius:50%;object-fit:contain;background:#fff;padding:6px;border:1px solid var(--line);margin-bottom:12px}
.gate-box h2{font-family:var(--serif);font-size:1.35rem;margin-bottom:4px}
.gate-box>p,#gate-sub{font-size:.92rem;color:var(--muted);margin-bottom:20px}
.gate-step{display:none;text-align:left}
.gate-step.active{display:block}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--muted);margin-bottom:5px}
.form-group input[type=text],.form-group input[type=email],.form-group input[type=number]{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;font-family:var(--sans);font-size:.95rem;background:#FDFDFB;color:var(--ink)}
.form-group input:focus{outline:none;border-color:var(--green)}
.robot-row{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:#FDFDFB;cursor:pointer;font-size:.9rem}
.robot-row input{width:18px;height:18px;accent-color:var(--green)}
.honeypot{position:absolute;left:-9999px;opacity:0}
.gate-err{display:none;background:var(--red-l);color:var(--red);font-size:.85rem;border-radius:10px;padding:9px 12px;margin-bottom:12px}
.btn-primary{width:100%;background:var(--green);color:#fff;border:none;border-radius:12px;padding:13px;font-family:var(--sans);font-weight:700;font-size:.97rem;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(22,101,52,.3)}
.btn-primary:disabled{opacity:.6;cursor:wait}
.gate-back{display:block;margin:12px auto 0;background:none;border:none;color:var(--muted);font-size:.85rem;cursor:pointer;text-decoration:underline}
.code-row input{letter-spacing:.4em;text-align:center;font-size:1.2rem!important}
.gate-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted)}
.gate-foot img{width:22px;height:22px;border-radius:50%;object-fit:contain;background:#fff;border:1px solid var(--line);padding:2px;vertical-align:middle;margin:0 2px 6px}
.gate-hub{display:inline-block;margin-top:12px;font-size:.82rem;color:var(--green);text-decoration:none;font-weight:600}

/* ── chrome ── */
#eco-back{position:fixed;top:16px;left:16px;z-index:120;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:8px 16px;font-size:.85rem;font-weight:600;color:var(--green);text-decoration:none;box-shadow:0 2px 10px rgba(20,32,26,.07)}
#lang-sw{position:fixed;top:16px;right:16px;z-index:120;display:flex;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:5px}
.lang-btn{border:none;background:none;font-size:1.05rem;cursor:pointer;border-radius:50%;width:32px;height:32px;opacity:.45;transition:opacity .2s,transform .2s}
.lang-btn.active{opacity:1;background:var(--green-l);transform:scale(1.08)}
#sound-btn{position:fixed;bottom:18px;right:18px;z-index:120;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--card);font-size:1.1rem;cursor:pointer;box-shadow:0 4px 14px rgba(20,32,26,.1)}
#prog-wrap{position:fixed;top:0;left:0;right:0;height:4px;z-index:130;background:rgba(22,101,52,.12)}
#prog-fill{height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--copper));transition:width .4s}
#prog-label{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:120;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:7px 16px;font-size:.8rem;font-weight:700;color:var(--green)}
body:not(.unlocked) #eco-back,body:not(.unlocked) #prog-label,body:not(.unlocked) #sound-btn{display:none}

/* ── hero ── */
#hero{position:relative;max-width:880px;margin:0 auto;padding:110px 24px 60px;text-align:center}
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none}
.b1{width:340px;height:340px;background:#BBF7D0;top:-60px;left:-100px}
.b2{width:300px;height:300px;background:#FDE68A;top:40px;right:-110px}
.b3{width:240px;height:240px;background:#99F6E4;bottom:-40px;left:30%}
.hero-badge{position:relative;display:inline-block;background:var(--card);border:1px solid var(--line);color:var(--green);border-radius:99px;padding:8px 18px;font-size:.82rem;font-weight:700;letter-spacing:.02em;margin-bottom:22px}
#hero h1{position:relative;font-family:var(--serif);font-size:clamp(2.1rem,5.5vw,3.4rem);line-height:1.15;margin-bottom:18px}
#hero h1 em{background:linear-gradient(100deg,var(--green),var(--copper));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-promise{position:relative;max-width:620px;margin:0 auto 20px;color:var(--muted);font-size:1.02rem}
.hero-sub{display:block;font-family:var(--serif);font-size:1.18em;color:var(--ink);margin-bottom:10px}
.hero-meta-row{position:relative;display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.fx-stamp{font-size:.78rem;color:var(--muted);background:var(--card);border:1px dashed var(--line);border-radius:99px;padding:6px 13px}
.fxsw{display:inline-flex;gap:4px;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:4px}
.fxsw-btn{border:none;background:none;border-radius:99px;padding:5px 12px;font-family:var(--sans);font-size:.78rem;font-weight:700;color:var(--muted);cursor:pointer}
.fxsw-btn.on{background:var(--green);color:#fff}
.hero-stats{position:relative;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 22px;min-width:96px}
.hero-stat strong{display:block;font-family:var(--serif);font-size:1.5rem;color:var(--ink)}
.hero-stat span{font-size:.78rem;color:var(--muted)}
.btn-start{position:relative;display:inline-block;background:var(--ink);color:#fff;border-radius:99px;padding:16px 36px;font-weight:700;font-size:1rem;text-decoration:none;transition:transform .15s,box-shadow .15s}
.btn-start:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(20,32,26,.25)}
.hero-logos{position:relative;margin-top:30px;display:flex;align-items:center;justify-content:center;gap:9px;font-size:.8rem;color:var(--muted)}
.hero-logos img{width:30px;height:30px;border-radius:50%;object-fit:contain;background:#fff;border:1px solid var(--line);padding:3px}
.hero-logos .sep{opacity:.5}

/* ── sections / reveal ── */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s,transform .6s}
.reveal.visible{opacity:1;transform:none}
section{max-width:880px;margin:0 auto;padding:34px 24px}
.section-h{font-family:var(--serif);font-size:clamp(1.5rem,3.5vw,2.1rem);text-align:center;margin-bottom:8px}
.section-sub{text-align:center;color:var(--muted);max-width:560px;margin:0 auto 28px}

/* ── overview ── */
.ov-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.ov-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative}
.ov-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(20,32,26,.12)}
.ov-thumb{height:110px;overflow:hidden}
.ov-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.ov-card:hover .ov-thumb img{transform:scale(1.06)}
.ov-pad{padding:14px 16px 18px}
.ov-num{font-size:.7rem;font-weight:800;letter-spacing:.08em;color:var(--copper);margin-bottom:6px}
.ov-card h3{font-family:var(--serif);font-size:1.02rem;margin-bottom:6px}
.ov-card p{font-size:.84rem;color:var(--muted)}
.ov-done{display:none;position:absolute;top:10px;right:10px;background:var(--green);color:#fff;font-size:.7rem;font-weight:700;border-radius:99px;padding:4px 10px}
.ov-card.done .ov-done{display:block}

/* ── lesson ── */
.lesson{background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;padding-bottom:28px}
.lesson-banner{height:170px;overflow:hidden}
.lesson-banner img{width:100%;height:100%;object-fit:cover}
.lesson-tag{padding:18px 28px 0}
.lesson-tag span{background:var(--green-l);color:var(--green-d);font-size:.74rem;font-weight:800;letter-spacing:.05em;border-radius:99px;padding:5px 13px}
.lesson h2{font-family:var(--serif);font-size:clamp(1.3rem,3vw,1.7rem);padding:12px 28px 0}
.lesson-body{padding:14px 28px 0;color:#3F3A36;font-size:.97rem}
.lesson-body .lead{font-size:1.05rem;color:var(--ink)}
.lesson-body p{margin-bottom:14px}
.lesson-body strong{color:var(--ink)}
.pull{border-left:4px solid var(--copper);background:var(--copper-l);border-radius:0 14px 14px 0;padding:14px 18px;margin:18px 0;font-family:var(--serif);font-size:1.02rem;color:var(--copper-d)}
.lesson-done-row{margin-top:24px;text-align:center}
.btn-done{background:var(--card);border:2px solid var(--green);color:var(--green);border-radius:99px;padding:11px 26px;font-family:var(--sans);font-weight:700;font-size:.92rem;cursor:pointer;transition:all .2s}
.btn-done:hover{background:var(--green);color:#fff}
.btn-done.is-done{background:var(--green);color:#fff;border-color:var(--green)}

/* ── HonestStat (phân phối thật, không trung bình tô hồng) ── */
.hstat{background:#FBFDF9;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:18px 0}
.hstat-h{font-size:.78rem;font-weight:800;letter-spacing:.06em;color:var(--green);margin-bottom:10px}
.hstat-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:.86rem}
.hstat-row .lbl{width:150px;flex-shrink:0;color:var(--muted)}
.hstat-row .tr{flex:1;height:12px;background:#F1F0EC;border-radius:99px;overflow:hidden}
.hstat-row .tr i{display:block;height:100%;border-radius:99px;background:var(--green)}
.hstat-row.warn .tr i{background:var(--red)}
.hstat-row.mid .tr i{background:var(--copper)}
.hstat-row .val{width:84px;text-align:right;font-weight:700;font-size:.84rem}
.hstat-src{font-size:.74rem;color:var(--muted);margin-top:8px}
.hstat-flat{text-decoration:none}

/* ── bảng số liệu ── */
.tb-table{width:100%;border-collapse:collapse;font-size:.88rem;margin:14px 0}
.tb-table th{background:var(--green-l);color:var(--green-d);text-align:left;padding:9px 12px;font-size:.78rem;letter-spacing:.04em}
.tb-table td{border-bottom:1px solid var(--line);padding:9px 12px;vertical-align:top}
.tb-table tr:last-child td{border-bottom:none}
.tb-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.flag-bad{color:var(--red);font-weight:700}
.flag-ok{color:var(--green);font-weight:700}
.stamp{font-size:.72rem;color:var(--muted);white-space:nowrap}

/* ── FinancingPathCard (Khoá 27 + tái dùng) ── */
.fp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0}
.fp-card{background:var(--card);border:1.5px solid var(--line);border-radius:18px;padding:18px;transition:transform .2s,box-shadow .2s,border-color .2s;cursor:pointer}
.fp-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,32,26,.12);border-color:var(--green)}
.fp-card.sel{border-color:var(--green);background:#F6FEF8}
.fp-icon{font-size:1.5rem;margin-bottom:8px}
.fp-name{font-family:var(--serif);font-size:1.05rem;margin-bottom:8px}
.fp-row{display:flex;justify-content:space-between;gap:8px;font-size:.8rem;padding:4px 0;border-bottom:1px dashed var(--line)}
.fp-row:last-of-type{border-bottom:none}
.fp-row .k{color:var(--muted)}
.fp-row .v{font-weight:700;text-align:right}
.fp-badge{display:inline-block;font-size:.7rem;font-weight:800;border-radius:99px;padding:3px 10px;margin-top:10px}
.fp-badge.lo{background:var(--green-l);color:var(--green-d)}
.fp-badge.mid{background:var(--copper-l);color:var(--copper-d)}
.fp-badge.hi{background:var(--red-l);color:var(--red)}

/* ── checks ── */
.check{margin:26px 28px 0;background:#FBFDF9;border:1px solid var(--line);border-radius:16px;padding:20px}
.check-tag{font-size:.72rem;font-weight:800;letter-spacing:.08em;color:var(--copper);margin-bottom:8px}
.check-q{font-family:var(--serif);font-size:1.05rem;margin-bottom:14px}
.check-opts{display:flex;flex-direction:column;gap:9px}
.check-opt{text-align:left;background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:12px 16px;font-family:var(--sans);font-size:.9rem;color:var(--ink);cursor:pointer;transition:border-color .15s,background .15s}
.check-opt:hover:not(:disabled){border-color:var(--green)}
.check-opt.picked{border-color:var(--copper);background:var(--copper-l)}
.check-opt.correct{border-color:var(--green);background:var(--green-l)}
.check-opt.wrong{border-color:var(--red);background:var(--red-l)}
.check-opt:disabled{cursor:default}
.check-submit{margin-top:12px;background:var(--green);color:#fff;border:none;border-radius:99px;padding:9px 22px;font-family:var(--sans);font-weight:700;font-size:.85rem;cursor:pointer}
.check-fb{display:none;margin-top:14px;border-radius:12px;padding:13px 16px;font-size:.88rem}
.check-fb.show{display:block}
.check-fb.ok{background:var(--green-l);color:var(--green-d)}
.check-fb.no{background:var(--red-l);color:var(--red)}

/* ── tool khung + capture branding ── */
.tool{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:28px}
.tool h3{font-family:var(--serif);font-size:1.45rem;text-align:center;margin-bottom:6px}
.tool-sub{text-align:center;color:var(--muted);font-size:.92rem;max-width:560px;margin:0 auto 20px}
#tool-capture{padding:8px 8px 20px;background:#fff;border-radius:14px}
.cap-brand{display:flex;align-items:center;gap:10px;border-bottom:2px solid var(--green);padding:6px 4px 10px;margin-bottom:14px}
.cap-brand img{width:34px;height:34px;border-radius:50%;object-fit:contain;background:#fff;border:1px solid var(--line);padding:3px}
.cap-brand-txt strong{display:block;font-size:.85rem}
.cap-brand-txt span{font-size:.72rem;color:var(--muted)}
.cap-foot{display:flex;align-items:center;justify-content:center;gap:8px;border-top:1px solid var(--line);margin-top:16px;padding-top:10px;font-size:.72rem;color:var(--muted)}
.cap-foot img{width:20px;height:20px;border-radius:50%;object-fit:contain;background:#fff;border:1px solid var(--line);padding:2px}
.tool-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn-tool{background:var(--card);border:2px solid var(--green);color:var(--green);border-radius:99px;padding:10px 20px;font-family:var(--sans);font-weight:700;font-size:.88rem;cursor:pointer;transition:all .2s}
.btn-tool:hover{background:var(--green);color:#fff}
.tool-disclaimer{font-size:.74rem;color:var(--muted);text-align:center;margin-top:14px}
.tool input[type=number],.tool input[type=text],.tool select{padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;font-family:var(--sans);font-size:.9rem;background:#FDFDFB;color:var(--ink);width:100%}
.tool input:focus,.tool select:focus{outline:none;border-color:var(--green)}

/* ── selfScore ── */
.selfscore{background:linear-gradient(135deg,#F0FDF4,#FFFBEB);border:1.5px solid var(--green);border-radius:22px;padding:28px;text-align:center}
.ss-axis{font-size:.74rem;font-weight:800;letter-spacing:.1em;color:var(--green);margin-bottom:10px;text-transform:uppercase}
.ss-prompt{font-family:var(--serif);font-size:1.15rem;max-width:560px;margin:0 auto 18px}
.ss-scale{display:flex;justify-content:center;gap:10px;margin-bottom:14px}
.ss-btn{width:48px;height:48px;border-radius:50%;border:2px solid var(--line);background:var(--card);font-family:var(--serif);font-size:1.15rem;color:var(--muted);cursor:pointer;transition:all .2s}
.ss-btn:hover{border-color:var(--green);transform:scale(1.08)}
.ss-btn.sel{background:var(--green);border-color:var(--green);color:#fff;transform:scale(1.12)}
.ss-rubric{font-size:.88rem;color:var(--muted);max-width:520px;margin:0 auto 10px;min-height:44px}
.ss-saved{display:none;font-size:.85rem;font-weight:700;color:var(--green)}
.ss-saved.show{display:block}

/* ── DCTA + chips trục ── */
.dcta-box{background:var(--ink);color:#E7E5E4;border-radius:22px;padding:30px;text-align:center}
.dcta-h{font-family:var(--serif);font-size:1.3rem;color:#fff;margin-bottom:10px}
.dcta-box p{font-size:.92rem;max-width:560px;margin:0 auto 16px;color:#D6D3D1}
.fr-chips{display:flex;justify-content:center;align-items:center;gap:8px;margin-bottom:20px}
.fr-chip{width:34px;height:34px;border-radius:50%;border:2px solid #44403C;display:inline-flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;color:#A8A29E}
.fr-chip.on{background:var(--green);border-color:var(--green);color:#fff}
.fr-chip.cur{border-color:var(--copper);box-shadow:0 0 0 3px rgba(180,83,9,.3)}
.fr-count{font-size:.8rem;color:#A8A29E;margin-left:6px}
.dcta-row{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.dcta-primary{background:var(--copper);color:#fff;border-radius:99px;padding:13px 26px;font-weight:700;font-size:.92rem;text-decoration:none;transition:transform .15s}
.dcta-primary:hover{transform:translateY(-2px)}
.dcta-secondary{background:none;border:2px solid #57534E;color:#E7E5E4;border-radius:99px;padding:11px 24px;font-weight:700;font-size:.92rem;text-decoration:none}
.dcta-secondary:hover{border-color:#A8A29E}

/* ── completion + cert ── */
.completion{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px;text-align:center}
.comp-kick{font-size:.74rem;font-weight:800;letter-spacing:.1em;color:var(--copper);text-transform:uppercase;margin-bottom:10px}
.comp-prompt{color:var(--muted);font-size:.95rem;max-width:520px;margin:0 auto 18px}
.btn-cert{border-color:var(--copper);color:var(--copper-d)}
.btn-cert:hover{background:var(--copper);color:#fff}
.cert-locked{display:none;margin-top:16px;background:var(--copper-l);color:var(--copper-d);border-radius:12px;padding:12px 16px;font-size:.88rem}
.cert-locked.show{display:block}
#cert-modal{position:fixed;inset:0;z-index:400;background:rgba(20,32,26,.65);display:none;align-items:center;justify-content:center;padding:18px;overflow-y:auto}
#cert-modal.show{display:flex}
.cert-wrap{max-width:680px;width:100%;margin:auto}
.cert{position:relative;background:#FFFDF8;border:10px solid #14532D;border-radius:8px;padding:8px}
.cert-corner{position:absolute;width:26px;height:26px;border:3px solid #B45309}
.cert-corner.tl{top:6px;left:6px;border-right:none;border-bottom:none}
.cert-corner.tr{top:6px;right:6px;border-left:none;border-bottom:none}
.cert-corner.bl{bottom:6px;left:6px;border-right:none;border-top:none}
.cert-corner.br{bottom:6px;right:6px;border-left:none;border-top:none}
.cert-inner{border:1.5px solid #D6CDB8;border-radius:4px;padding:34px 30px 26px;text-align:center}
.cert-logo{width:54px;height:54px;border-radius:50%;object-fit:contain;background:#fff;border:1px solid #D6CDB8;padding:4px;margin-bottom:8px}
.cert-academy{font-size:.78rem;font-weight:800;letter-spacing:.14em;color:#B45309;text-transform:uppercase}
.cert-kicker{font-family:var(--serif);font-size:1.5rem;color:#14532D;margin:8px 0 14px}
.cert-issued{font-size:.85rem;color:#78716C}
.cert-name{font-family:var(--serif);font-size:1.9rem;color:#14201A;margin:8px 0 4px}
.cert-name-rule{width:200px;height:1.5px;background:#D6CDB8;margin:0 auto 12px}
.cert-has{font-size:.85rem;color:#78716C;margin-bottom:4px}
.cert-course{font-family:var(--serif);font-size:1.15rem;color:#14532D;margin-bottom:18px}
.cert-seal{position:absolute;right:26px;bottom:74px;width:84px;height:84px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#1C7A40,#14532D);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(20,83,45,.4)}
.cert-seal-inner{text-align:center;color:#FDE68A}
.s-npv{font-size:.72rem;font-weight:800;letter-spacing:.1em}
.s-star{font-size:.55rem;margin:2px 0}
.s-fdp{font-family:var(--serif);font-size:.95rem;font-weight:700}
.cert-foot{display:flex;justify-content:space-between;gap:18px;margin-top:8px}
.cert-foot-col{flex:1;text-align:center}
.cert-sig{font-family:'Dancing Script',var(--serif);font-size:1.35rem;color:#14201A}
.cert-date{font-size:.92rem;color:#14201A;padding-top:8px}
.cert-foot-line{height:1px;background:#D6CDB8;margin:4px 18px}
.cert-sig-role,.cert-foot-label{font-size:.72rem;color:#78716C}
.cert-id{margin-top:14px;font-size:.68rem;letter-spacing:.08em;color:#A8A29E}
.cert-actions{display:flex;justify-content:center;gap:10px;margin-top:16px}
.cert-dl{background:#B45309;color:#fff;border:none;border-radius:99px;padding:12px 26px;font-family:var(--sans);font-weight:700;cursor:pointer}
.cert-close{background:none;border:2px solid #78716C;color:#E7E5E4;border-radius:99px;padding:10px 22px;font-family:var(--sans);font-weight:700;cursor:pointer}

/* ── footer ── */
footer{max-width:880px;margin:0 auto;padding:40px 24px 70px;text-align:center;color:var(--muted);font-size:.88rem}
.foot-logos{display:flex;justify-content:center;gap:10px;margin-bottom:12px}
.foot-logos img{width:38px;height:38px;border-radius:50%;object-fit:contain;background:#fff;border:1px solid var(--line);padding:3px}
.foot-links{display:flex;justify-content:center;gap:18px;margin:10px 0}
.foot-links a{color:var(--green);text-decoration:none;font-weight:600}
.foot-disclaimer{font-size:.74rem;max-width:560px;margin:0 auto 12px;color:#78716C}
footer>a{color:var(--muted);text-decoration:none}

@media (max-width:640px){
  #eco-back{display:none!important}
  .lesson-body,.lesson h2,.lesson-tag{padding-left:18px;padding-right:18px}
  .check{margin-left:18px;margin-right:18px}
  .hstat-row .lbl{width:96px;font-size:.78rem}
}
@media print{
  #gate,#eco-back,#lang-sw,#sound-btn,#prog-wrap,#prog-label,.tool-actions,.btn-done,.check,#cert-modal,.dcta-box{display:none!important}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}