/* ==========================================================
   Sasikumar Talks — Digital Marketing Academy
   Palette: paper #F7F4EC · ink #17251F · board #12312B
            teal #0E6E63 · marigold #E9A13B · brick #C2452D
   ========================================================== */
:root{
  --paper:#F7F4EC; --card:#FFFFFF; --ink:#17251F; --mut:#5E6A62;
  --board:#12312B; --board2:#0C231F; --teal:#0E6E63; --teal-d:#0A554C;
  --gold:#E9A13B; --gold-soft:#F7E3C2; --brick:#C2452D; --line:#DDD6C6;
  --ok:#1E8A5B; --warn:#C98A12; --bad:#C2452D;
  --r:14px; --shadow:0 8px 28px rgba(23,37,31,.09);
  --fd:"Bricolage Grotesque",system-ui,sans-serif;
  --fb:"Public Sans",system-ui,sans-serif;
  --fm:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{font-size:100%}
body{margin:0;font-family:var(--fb);color:var(--ink);background:var(--paper);line-height:1.65;font-size:1.02rem}
img,svg{max-width:100%;height:auto}
a{color:var(--teal)}
h1,h2,h3{font-family:var(--fd);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.5vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.4rem,3vw,2rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.mut{color:var(--mut)}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:99}

/* top bar */
.topbar{position:sticky;top:0;z-index:50;background:rgba(247,244,236,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.topbar-in{display:flex;align-items:center;gap:18px;padding:10px 20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--board);color:var(--gold);font-family:var(--fd);font-weight:800;font-size:1.05rem;box-shadow:inset 0 0 0 2px rgba(233,161,59,.35)}
.brand-mark.big{width:52px;height:52px;font-size:1.3rem}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text small{color:var(--mut);font-size:.72rem;letter-spacing:.04em}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{text-decoration:none;color:var(--ink);padding:8px 11px;border-radius:9px;font-weight:500;font-size:.93rem}
.nav a:hover{background:#EFEAD9}
.nav a.on{background:var(--board);color:#fff}
.nav a.cta-nav{background:var(--gold);color:var(--board2);font-weight:700}
.nav a.cta-nav:hover{background:#f0b055}
.topbar-tools{display:flex;gap:6px;align-items:center}
.fontbtn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 9px;cursor:pointer;font-family:var(--fm);font-size:.8rem}
.menubtn{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 11px;cursor:pointer;font-size:1.05rem}

/* hero (chalkboard) */
.hero{background:
  radial-gradient(1200px 400px at 80% -10%, rgba(233,161,59,.18), transparent 60%),
  linear-gradient(180deg,var(--board),var(--board2));
  color:#F2EFE4;padding:64px 0 56px;position:relative;overflow:hidden}
.hero h1{color:#fff;margin:.2em 0}
.hero .chalk{color:var(--gold);font-family:var(--fm);font-size:.85rem;letter-spacing:.14em;text-transform:uppercase}
.hero p.lead{max-width:640px;font-size:1.12rem;color:#DCE5DD}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.hero-board{background:rgba(255,255,255,.05);border:2px dashed rgba(233,161,59,.5);border-radius:16px;padding:22px;font-family:var(--fm);font-size:.9rem}
.hero-board li{margin:.45em 0}
.btnrow{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;text-decoration:none;font-weight:700;border-radius:11px;padding:12px 20px;border:2px solid transparent;cursor:pointer;font-size:1rem;font-family:var(--fb)}
.btn-gold{background:var(--gold);color:var(--board2)}
.btn-gold:hover{background:#f0b055}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-d)}
.btn-line{border-color:var(--teal);color:var(--teal);background:transparent}

/* sections & cards */
.section{padding:52px 0}
.section.alt{background:#F1EDE0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.badge{display:inline-block;font-family:var(--fm);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;background:var(--gold-soft);color:#7a5410;border-radius:99px;padding:3px 10px}
.badge.teal{background:#DDEEEA;color:var(--teal-d)}
.eyebrow{font-family:var(--fm);color:var(--teal);letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;margin-bottom:6px}

/* course syllabus */
.level-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.level-tabs a{text-decoration:none;padding:9px 16px;border-radius:99px;border:2px solid var(--board);color:var(--board);font-weight:700}
.level-tabs a.on{background:var(--board);color:var(--gold)}
.classlist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.classlist a{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink)}
.classlist a:hover{border-color:var(--teal);box-shadow:var(--shadow)}
.cnum{font-family:var(--fm);background:var(--board);color:var(--gold);border-radius:9px;padding:6px 10px;font-size:.85rem;white-space:nowrap}
.done-tick{margin-left:auto;font-family:var(--fm);font-size:.8rem;color:var(--ok)}

/* lesson page */
.lesson{max-width:820px}
.lesson h2{margin-top:1.6em}
.lesson ul{padding-left:1.2em}
.lesson figure{margin:26px 0;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.lesson figcaption{font-size:.85rem;color:var(--mut);margin-top:8px}
.tipbox{border-left:4px solid var(--gold);background:var(--gold-soft);padding:12px 16px;border-radius:0 10px 10px 0;margin:20px 0}
.tipbox strong{color:#7a5410}
.keybox{border-left:4px solid var(--teal);background:#E4F0ED;padding:12px 16px;border-radius:0 10px 10px 0;margin:20px 0}
.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin:34px 0}
table.simple{border-collapse:collapse;width:100%;background:#fff;font-size:.95rem}
table.simple th,table.simple td{border:1px solid var(--line);padding:9px 12px;text-align:left}
table.simple th{background:#F1EDE0;font-family:var(--fd)}

/* quiz */
.quiz{background:var(--board);color:#EDF2EC;border-radius:16px;padding:26px;margin:36px 0}
.quiz h2{color:var(--gold);margin-top:0}
.q{background:rgba(255,255,255,.06);border-radius:12px;padding:16px;margin:14px 0}
.q p{margin:0 0 10px;font-weight:700}
.q label{display:block;padding:9px 12px;border:1px solid rgba(255,255,255,.25);border-radius:9px;margin:7px 0;cursor:pointer}
.q label:hover{background:rgba(255,255,255,.08)}
.q label.correct{background:rgba(30,138,91,.35);border-color:var(--ok)}
.q label.wrong{background:rgba(194,69,45,.35);border-color:var(--bad)}
.scoreboard{display:none;text-align:center;padding:20px;border:2px dashed var(--gold);border-radius:14px;margin-top:18px}
.scoreboard .big-score{font-family:var(--fd);font-size:3rem;font-weight:800;color:var(--gold)}
.applause{font-size:2rem;letter-spacing:.2em}

/* stamp / rings */
.stamp{display:inline-grid;place-items:center;width:120px;height:120px;border-radius:50%;border:4px solid var(--gold);color:var(--gold);font-family:var(--fd);font-weight:800;transform:rotate(-8deg);font-size:1.05rem;text-align:center}

/* audit */
.audit-form{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.audit-form input[type=url]{flex:1;min-width:260px}
input,select,textarea{font:inherit;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus,button:focus-visible,a:focus-visible{outline:3px solid rgba(14,110,99,.4);outline-offset:1px}
label.f{display:block;font-weight:700;margin:14px 0 5px}
.check-row{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.check-ic{font-size:1.2rem;width:1.6em;text-align:center;flex-shrink:0}
.check-row.pass{border-left:5px solid var(--ok)}
.check-row.warn{border-left:5px solid var(--warn)}
.check-row.fail{border-left:5px solid var(--bad)}
.check-row h4{margin:0 0 4px;font-family:var(--fd)}
.check-row .fix{font-size:.9rem;color:var(--mut)}
.score-hero{display:flex;gap:26px;align-items:center;flex-wrap:wrap;background:var(--board);color:#fff;border-radius:16px;padding:24px;margin:22px 0}
.ring{--pct:0;width:130px;height:130px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--gold) calc(var(--pct)*1%), rgba(255,255,255,.15) 0);flex-shrink:0}
.ring>div{width:100px;height:100px;border-radius:50%;background:var(--board);display:grid;place-items:center;font-family:var(--fd);font-size:1.7rem;font-weight:800;color:var(--gold)}

/* checklist */
.chk-group{margin:26px 0}
.chk-group h3{border-bottom:2px solid var(--gold);display:inline-block;padding-bottom:4px}
.chk{display:flex;gap:10px;align-items:flex-start;padding:9px 4px;border-bottom:1px dashed var(--line)}
.chk input{width:auto;margin-top:5px}
.chk.donechk span{text-decoration:line-through;color:var(--mut)}
.progresswrap{position:sticky;top:66px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 16px;z-index:5;box-shadow:var(--shadow)}
.pbar{height:12px;background:#EAE5D6;border-radius:99px;overflow:hidden}
.pbar>div{height:100%;background:linear-gradient(90deg,var(--teal),var(--gold));width:0;transition:width .4s}

/* videos */
.vidgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.vid{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.vid iframe{width:100%;aspect-ratio:16/9;border:0;display:block}
.vid p{padding:10px 14px;margin:0;font-weight:600}

/* pricing */
.price-card{max-width:560px;margin:0 auto;text-align:center;border:2px solid var(--board);position:relative;overflow:hidden}
.price-big{font-family:var(--fd);font-size:3rem;font-weight:800;color:var(--board)}
.price-card ul{text-align:left;max-width:420px;margin:18px auto;padding-left:1.2em}
.hourbadge{background:#E4F0ED;border-radius:10px;padding:10px 14px;font-size:.9rem;margin:14px 0;display:inline-block}

/* forms/messages */
.form-card{max-width:640px}
.flash{padding:14px 18px;border-radius:12px;margin:16px 0;font-weight:600}
.flash.ok{background:#DDF2E6;border:1px solid var(--ok);color:#12563a}
.flash.err{background:#F7DDD6;border:1px solid var(--bad);color:#7c2413}

/* admin */
.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start}
.admin-side{background:var(--board);border-radius:14px;padding:16px;position:sticky;top:80px}
.admin-side a{display:block;color:#EDF2EC;text-decoration:none;padding:9px 12px;border-radius:9px;font-size:.95rem}
.admin-side a.on,.admin-side a:hover{background:rgba(233,161,59,.2);color:var(--gold)}
.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-align:center}
.stat b{display:block;font-family:var(--fd);font-size:2.2rem;color:var(--teal)}
.stat span{font-size:.85rem;color:var(--mut)}
.stat.hot b{color:var(--brick)}

/* footer */
.footer{background:var(--board2);color:#C9D4CB;margin-top:60px;padding:44px 0 20px}
.footer h4{color:var(--gold);font-family:var(--fd);margin:.2em 0 .6em}
.footer a{color:#E8EEE6;text-decoration:none;display:block;padding:3px 0}
.footer a:hover{color:var(--gold)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
.foot-note{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:14px;font-size:.85rem;color:#93A398}
.yt-link{color:#fff;font-weight:700}

/* confetti */
.confetti{position:fixed;top:-12px;border-radius:2px;pointer-events:none;z-index:999;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(105vh) rotate(720deg);opacity:.7}}
@media (prefers-reduced-motion:reduce){.confetti{display:none}.pbar>div{transition:none}}

@media (max-width:960px){
  .hero-grid,.grid3,.grid2,.foot-grid,.admin-grid{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;flex-direction:column;padding:12px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .menubtn{display:block}
  .admin-side{position:static}
}

/* ===== v2 additions ===== */
/* audit hero */
.audit-hero{background:
  radial-gradient(900px 340px at 85% -10%, rgba(233,161,59,.22), transparent 60%),
  radial-gradient(700px 300px at 0% 110%, rgba(14,110,99,.35), transparent 60%),
  linear-gradient(180deg,var(--board),var(--board2));
  color:#F2EFE4;padding:58px 0 44px;border-bottom:4px solid var(--gold)}
.audit-hero h1{color:#fff;font-size:clamp(1.9rem,4.6vw,3.2rem);margin:.25em 0}
.audit-hero .lead{max-width:740px;color:#DCE5DD;font-size:1.1rem}
.hl-underline{color:var(--gold);box-shadow:inset 0 -0.35em 0 rgba(233,161,59,.35)}
.audit-form.big{max-width:780px;background:rgba(255,255,255,.08);padding:12px;border-radius:16px;border:2px dashed rgba(233,161,59,.55)}
.audit-form.big input[type=url]{font-size:1.05rem;padding:15px 16px;border:0}
.btn-big{font-size:1.05rem;padding:15px 24px;white-space:nowrap}
.btn-big.loading{opacity:.75;pointer-events:none}
.spin{display:inline-block;width:1em;height:1em;border:3px solid rgba(18,49,43,.35);border-top-color:var(--board2);border-radius:50%;animation:sp 0.8s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.chip{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:99px;padding:6px 14px;font-size:.85rem;font-family:var(--fm)}
.audit-step{position:relative;padding-top:34px}
.stepnum{position:absolute;top:-16px;left:22px;width:38px;height:38px;border-radius:50%;background:var(--gold);color:var(--board2);display:grid;place-items:center;font-family:var(--fd);font-weight:800;font-size:1.1rem;box-shadow:var(--shadow)}
.nav a.hl{background:var(--gold-soft);border:1.5px dashed var(--gold);font-weight:700}
.nav a.hl.on{background:var(--board);color:var(--gold);border-style:solid}

/* flashcards */
.fc-section{margin:40px 0}
.flashcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.fcard{perspective:900px;background:none;border:0;padding:0;cursor:pointer;min-height:150px;font:inherit;text-align:left}
.fc-inner{position:relative;display:block;width:100%;height:100%;min-height:150px;transition:transform .5s;transform-style:preserve-3d}
.fcard.flip .fc-inner{transform:rotateY(180deg)}
.fc-front,.fc-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:12px;padding:16px;display:flex;flex-direction:column;justify-content:center;gap:8px}
.fc-front{background:var(--board);color:var(--gold);font-family:var(--fd);font-weight:800;font-size:1.15rem;align-items:center;text-align:center;border:2px dashed rgba(233,161,59,.5)}
.fc-front small{color:#9FB3A6;font-family:var(--fm);font-weight:400;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
.fc-back{background:#fff;border:2px solid var(--teal);color:var(--ink);transform:rotateY(180deg);font-size:.92rem;line-height:1.5}
@media (prefers-reduced-motion:reduce){.fc-inner{transition:none}}

/* lesson interactive widgets */
.widgetbox{background:#fff;border:2px solid var(--teal);border-radius:16px;padding:22px;margin:34px 0;box-shadow:var(--shadow)}
.widgetbox h3{margin-top:0;color:var(--teal-d)}
.charline{font-family:var(--fm);font-size:.8rem;margin-top:5px;color:var(--mut)}
.charline .good{color:var(--ok);font-weight:700}
.charline .bad{color:var(--bad);font-weight:700}
.serp-preview{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;margin-top:16px;box-shadow:var(--shadow)}
.serp-url{color:#1E8A5B;font-size:.85rem}
.serp-title{color:#1a0dab;font-size:1.25rem;margin:4px 0;font-family:arial,sans-serif}
.serp-desc{color:#4d5156;font-size:.9rem;font-family:arial,sans-serif}
.calcgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.calcout{background:var(--board);color:#EDF2EC;border-radius:12px;padding:16px;margin-top:14px;font-size:1rem}
.calcout b{color:var(--gold)}
.calcout.mono{font-family:var(--fm);word-break:break-all}

/* checklist score */
.chk-scoreout{display:flex;gap:20px;align-items:center;background:var(--board);color:#fff;border-radius:14px;padding:18px 22px;margin:16px 0}
.ring.small{width:96px;height:96px}
.ring.small>div{width:72px;height:72px;font-size:1.35rem}

/* ===== v3: articles ===== */
.art-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin-top:26px}
.art-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .15s,border-color .15s;position:relative}
.art-card:hover{transform:translateY(-4px);border-color:var(--teal)}
.art-emoji{font-size:2.2rem;margin-bottom:8px}
.art-card h3{margin:.5em 0 .4em;font-size:1.2rem}
.art-meta{font-family:var(--fm);font-size:.8rem;color:var(--teal);font-weight:700}
.statrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:24px 0}
.statcard{background:var(--board);color:#fff;border-radius:12px;padding:16px;text-align:center}
.statcard b{display:block;font-family:var(--fd);font-size:1.9rem;color:var(--gold)}
.statcard span{font-size:.82rem;color:#C9D4CB}
.steps{margin:22px 0}
.step{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.step b{flex-shrink:0;width:34px;height:34px;border-radius:50%;background:var(--gold);color:var(--board2);display:grid;place-items:center;font-family:var(--fd);font-size:1rem}

/* ===== v3: chat widget ===== */
.stchat{position:fixed;left:18px;bottom:18px;z-index:200;font-size:.95rem}
.stchat-btn{width:60px;height:60px;border-radius:50%;border:0;background:var(--board);color:#fff;font-size:1.5rem;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.28);position:relative}
.stchat-btn:hover{transform:scale(1.06)}
.stchat-dot{position:absolute;top:4px;right:4px;width:14px;height:14px;border-radius:50%;border:2px solid #fff;background:#9aa}
.stchat-dot.on{background:#22c55e}.stchat-dot.off{background:#b9b3a4}
.stchat-panel{position:fixed;left:18px;bottom:90px;width:min(360px,calc(100vw - 36px));background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,.3);display:flex;flex-direction:column;overflow:hidden;max-height:min(560px,calc(100vh - 120px))}
.stchat-head{background:var(--board);color:#fff;padding:12px 16px;display:flex;justify-content:space-between;align-items:center}
.stchat-head small{color:#C9D4CB}
.stchat-head .dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:4px}
.stchat-head .dot.on{background:#22c55e}.stchat-head .dot.off{background:#b9b3a4}
.stchat-head button{background:rgba(255,255,255,.15);border:0;color:#fff;border-radius:7px;width:30px;height:30px;cursor:pointer;font-size:1rem}
.stchat-body{padding:12px;overflow-y:auto;flex:1}
.stchat-start input{margin:5px 0}
.stchat-start p{margin-top:0;font-size:.9rem}
.stchat-err{color:var(--bad);font-size:.85rem;margin-top:8px}
.stchat-msgs{display:flex;flex-direction:column;gap:10px}
.stmsg{max-width:88%;padding:10px 13px;border-radius:13px;line-height:1.45;font-size:.92rem;word-wrap:break-word}
.stmsg small{display:block;margin-top:5px;font-size:.68rem;opacity:.65;font-family:var(--fm)}
.stmsg.user{align-self:flex-end;background:var(--teal);color:#fff;border-bottom-right-radius:4px}
.stmsg.user a{color:#CFF3EA}
.stmsg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.stmsg.admin{align-self:flex-start;background:var(--gold-soft);border:1px solid var(--gold);border-bottom-left-radius:4px}
.stchat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:#fff}
.stchat-input input{flex:1;border-radius:99px}
.stchat-input .btn{padding:10px 16px;border:0;border-radius:99px;cursor:pointer}
.admin-thread{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:14px}

/* topic browser */
.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;margin:18px 0 8px}
.topic-chip{display:flex;gap:9px;align-items:center;background:#fff;border:1.5px solid var(--line);border-radius:11px;padding:11px 13px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.9rem}
.topic-chip:hover{border-color:var(--teal);box-shadow:var(--shadow)}

/* ===== v4: logo ===== */
.brand-logo{width:46px;height:46px;display:block;border-radius:11px;box-shadow:0 3px 10px rgba(18,49,43,.25)}
.brand-logo.big{width:64px;height:64px;margin-bottom:8px}

/* ===== v5 fixes ===== */
/* single-line menu */
.topbar-in{gap:12px}
.brand-text strong,.brand-text small{white-space:nowrap}
.nav{flex-wrap:nowrap}
.nav a{padding:7px 9px;font-size:.88rem;white-space:nowrap}
@media (max-width:1220px){
  .nav{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;flex-direction:column;padding:12px;border-bottom:1px solid var(--line);flex-wrap:wrap}
  .nav.open{display:flex}
  .nav a{white-space:normal;font-size:1rem;padding:10px 12px}
  .menubtn{display:block}
}
/* chat: move to bottom-RIGHT + make hidden actually hide */
.stchat{left:auto;right:18px}
.stchat-panel{left:auto;right:18px}
.stchat-panel[hidden]{display:none!important}
/* admin availability pill */
.avail-pill{display:inline-flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:10px 0}
.avail-pill form{display:inline}
.avail-pill .dot{width:11px;height:11px;border-radius:50%;display:inline-block}
.avail-pill .dot.on{background:#22c55e}.avail-pill .dot.off{background:#b9b3a4}

/* ===== v6: enquiry modal ===== */
.modal-back{position:fixed;inset:0;background:rgba(12,35,31,.65);z-index:300;display:grid;place-items:center;padding:16px}
.modal-back[hidden]{display:none!important}
.modal-card{background:var(--paper);border-radius:16px;padding:26px;max-width:440px;width:100%;position:relative;box-shadow:0 24px 64px rgba(0,0,0,.4);max-height:92vh;overflow-y:auto}
.modal-x{position:absolute;top:12px;right:12px;border:1px solid var(--line);background:#fff;border-radius:8px;width:34px;height:34px;cursor:pointer;font-size:1rem}