/* NordHav AquaMonitor — Shared Stylesheet */
:root{--bg:#040d1a;--surface:#071221;--card:#0a1a2e;--card2:#0d2040;--border:rgba(0,180,216,0.18);--glow:rgba(0,180,216,0.07);--primary:#00b4d8;--secondary:#48cae4;--accent:#fca311;--success:#06d6a0;--danger:#ef476f;--text:#d4eaf5;--muted:#6a8fa8;--dim:#3a5a72}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;overflow-x:hidden;line-height:1.6}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-0.02em}
a{color:var(--primary);text-decoration:none}

/* canvas */
#bg-canvas{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:0.5}

/* nav */
nav{position:fixed;top:0;width:100%;z-index:100;backdrop-filter:blur(20px);background:rgba(4,13,26,0.88);border-bottom:1px solid var(--border);padding:0 2rem;display:flex;align-items:center;justify-content:space-between;height:64px;transition:height 0.3s}
.nav-logo{display:flex;align-items:center;gap:0.75rem;text-decoration:none}
.nav-logo svg{height:28px;width:auto}
.nav-logo .logo-fill{fill:var(--primary)}
.nav-wordmark{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1rem;color:var(--text);letter-spacing:0.05em}
.nav-links{display:flex;gap:0.15rem;flex-wrap:wrap}
.nav-link{color:var(--muted);text-decoration:none;font-size:0.82rem;font-weight:500;padding:0.35rem 0.75rem;border-radius:6px;transition:all 0.2s;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--glow)}

/* hero */
.hero{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:8rem 2rem 5rem;overflow:hidden}
.hero-eyebrow{display:inline-flex;align-items:center;gap:0.5rem;background:rgba(0,180,216,0.1);border:1px solid var(--border);border-radius:40px;padding:0.35rem 1rem;font-size:0.75rem;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:var(--primary);margin-bottom:2rem;animation:fadeUp 0.8s ease both}
.page-logo{width:280px;max-width:80vw;margin:0 auto 2rem;animation:fadeUp 0.9s 0.1s ease both}
.page-logo .logo-fill{fill:var(--text)}
.hero h1{font-size:clamp(2rem,4.5vw,3.6rem);font-weight:700;line-height:1.1;margin-bottom:1.25rem;background:linear-gradient(130deg,#d4eaf5 0%,var(--primary) 55%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeUp 0.9s 0.2s ease both}
.hero-sub{max-width:600px;color:var(--muted);font-size:1rem;margin-bottom:2.5rem;animation:fadeUp 0.9s 0.3s ease both}
.hero-meta{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center;animation:fadeUp 0.9s 0.4s ease both}
.hero-meta-item{text-align:center}
.hero-meta-val{font-family:'Space Grotesk',sans-serif;font-size:1.75rem;font-weight:700;color:var(--primary)}
.hero-meta-lbl{font-size:0.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.07em}
.scroll-hint{position:absolute;bottom:7rem;left:50%;transform:translateX(-50%);font-size:0.7rem;text-transform:uppercase;letter-spacing:0.1em;color:var(--dim);animation:pulse 2s infinite}

/* sections */
.section{position:relative;z-index:1;padding:5rem 2rem}
.section-inner{max-width:1240px;margin:0 auto}
.section-tag{display:inline-block;background:rgba(0,180,216,0.08);border:1px solid var(--border);border-radius:4px;padding:0.22rem 0.65rem;font-size:0.7rem;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;color:var(--primary);margin-bottom:0.85rem}
.section-title{font-size:clamp(1.6rem,3vw,2.5rem);font-weight:700;margin-bottom:0.75rem}
.section-sub{color:var(--muted);max-width:580px;margin-bottom:2.5rem;font-size:0.95rem}
.divider{position:relative;z-index:1;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}

/* cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.75rem;transition:all 0.35s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,var(--glow),transparent);opacity:0;transition:opacity 0.35s}
.card:hover::before{opacity:1}
.card:hover{border-color:rgba(0,180,216,0.4);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,0.25)}
.card-icon{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:0.85rem}
.card h3{font-size:1rem;font-weight:600;margin-bottom:0.35rem}
.card p{font-size:0.83rem;color:var(--muted);line-height:1.55}
.card-link{display:inline-flex;align-items:center;gap:0.35rem;margin-top:1rem;font-size:0.8rem;font-weight:600;color:var(--primary)}

/* grid layouts */
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:1.25rem}
.grid-3{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}
.grid-4{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem}

/* kpi pills */
.kpi-grid{display:flex;flex-wrap:wrap;gap:0.5rem;margin:1rem 0}
.kpi-card{display:inline-flex;align-items:center;gap:0.45rem;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:0.35rem 0.85rem;transition:all 0.3s}
.kpi-card:hover{border-color:rgba(0,180,216,0.35);box-shadow:0 4px 12px rgba(0,0,0,0.15)}
.kpi-val{font-family:'Space Grotesk',sans-serif;font-size:0.95rem;font-weight:700;color:var(--primary)}
.kpi-lbl{font-size:0.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.06em}
.kpi-card.accent .kpi-val{color:var(--accent)}
.kpi-card.success .kpi-val{color:var(--success)}
.kpi-card.danger .kpi-val{color:var(--danger)}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:0.85rem}
.chip{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.07);border-radius:20px;padding:0.18rem 0.6rem;font-size:0.75rem;color:var(--muted);white-space:nowrap}
.chip-primary{background:rgba(0,180,216,0.1);border-color:rgba(0,180,216,0.25);color:var(--primary)}
.chip-success{background:rgba(6,214,160,0.1);border-color:rgba(6,214,160,0.25);color:var(--success)}
.chip-accent{background:rgba(252,163,17,0.1);border-color:rgba(252,163,17,0.25);color:var(--accent)}
.chip-danger{background:rgba(239,71,111,0.1);border-color:rgba(239,71,111,0.25);color:var(--danger)}

/* mermaid */
.mermaid-wrap{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2rem;overflow:auto;margin:1.5rem 0}
.mermaid{display:flex;justify-content:center}

/* table */
.data-table{width:100%;border-collapse:collapse;font-size:0.84rem}
.data-table th{background:var(--card2);color:var(--muted);font-weight:600;text-transform:uppercase;font-size:0.72rem;letter-spacing:0.08em;padding:0.75rem 1rem;text-align:left;border-bottom:1px solid var(--border)}
.data-table td{padding:0.65rem 1rem;border-bottom:1px solid rgba(255,255,255,0.04);color:var(--text);vertical-align:top}
.data-table tr:hover td{background:var(--glow)}
.table-wrap{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;margin:1.5rem 0;overflow-x:auto}

/* badges */
.badge{display:inline-block;padding:0.15rem 0.5rem;border-radius:4px;font-size:0.72rem;font-weight:600}
.badge-m{background:rgba(239,71,111,0.15);color:var(--danger)}
.badge-h{background:rgba(252,163,17,0.15);color:var(--accent)}
.badge-d{background:rgba(106,143,168,0.15);color:var(--muted)}
.badge-ok{background:rgba(6,214,160,0.15);color:var(--success)}
.badge-wip{background:rgba(0,180,216,0.15);color:var(--primary)}

/* timeline */
.timeline{position:relative;padding-left:2rem;margin-top:2rem}
.timeline::before{content:'';position:absolute;left:0;top:0;bottom:0;width:2px;background:linear-gradient(180deg,var(--primary),var(--secondary),transparent)}
.tl-item{position:relative;padding:0 0 2.5rem 2rem}
.tl-dot{position:absolute;left:-2.35rem;top:0.2rem;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid var(--bg);box-shadow:0 0 10px rgba(0,180,216,0.5)}
.tl-phase{font-size:0.7rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--primary);margin-bottom:0.2rem}
.tl-title{font-family:'Space Grotesk',sans-serif;font-size:1rem;font-weight:600;color:var(--text);margin-bottom:0.3rem}
.tl-body{font-size:0.83rem;color:var(--muted)}

/* cta */
.cta-block{background:linear-gradient(135deg,rgba(0,180,216,0.08),rgba(0,180,216,0.03));border:1px solid var(--border);border-radius:18px;padding:3rem;text-align:center;margin-top:4rem}
.cta-block h2{font-size:1.7rem;margin-bottom:0.6rem}
.cta-block p{color:var(--muted);margin-bottom:2rem;max-width:540px;margin-left:auto;margin-right:auto}
.btn-row{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:0.45rem;padding:0.7rem 1.4rem;border-radius:10px;font-weight:600;font-size:0.88rem;text-decoration:none;transition:all 0.25s;cursor:pointer}
.btn-primary{background:var(--primary);color:#040d1a}
.btn-primary:hover{background:var(--secondary);transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,180,216,0.3)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--glow);border-color:var(--primary)}

/* footer */
footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:2.5rem 2rem;text-align:center}
footer .logo-fill{fill:var(--dim)}
.footer-links{display:flex;gap:1.25rem;justify-content:center;margin:1.25rem 0;flex-wrap:wrap}
.footer-links a{color:var(--muted);text-decoration:none;font-size:0.82rem;transition:color 0.2s}
.footer-links a:hover{color:var(--primary)}
.footer-copy{font-size:0.75rem;color:var(--dim)}

/* AI disclaimer pill (top banner) */
.ai-disclaimer-pill{position:fixed;top:68px;left:50%;transform:translateX(-50%);z-index:99;display:inline-flex;align-items:center;gap:0.5rem;background:rgba(252,163,17,0.12);border:1px solid rgba(252,163,17,0.35);border-radius:40px;padding:0.4rem 1.2rem;font-size:0.78rem;font-weight:600;color:var(--accent);backdrop-filter:blur(12px);animation:fadeUp 0.6s 0.5s ease both;white-space:nowrap;box-shadow:0 4px 20px rgba(0,0,0,0.3);max-width:calc(100vw - 2rem);cursor:default;transition:opacity 0.3s}
.ai-disclaimer-pill svg{flex-shrink:0}
.ai-disclaimer-pill .dismiss-btn{background:none;border:none;color:var(--accent);cursor:pointer;font-size:1rem;line-height:1;padding:0 0 0 0.5rem;opacity:0.6;transition:opacity 0.2s}
.ai-disclaimer-pill .dismiss-btn:hover{opacity:1}

/* AI-generated footer notice */
.ai-footer-notice{margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,0.05);font-size:0.72rem;color:var(--dim);line-height:1.6;max-width:640px;margin-left:auto;margin-right:auto}
.ai-footer-notice strong{color:var(--accent);font-weight:600}

/* scroll reveal */
.reveal,.reveal-l,.reveal-r{opacity:0;transition:opacity 0.7s,transform 0.7s}
.reveal{transform:translateY(28px)}
.reveal-l{transform:translateX(-28px)}
.reveal-r{transform:translateX(28px)}
.reveal.vis,.reveal-l.vis,.reveal-r.vis{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(18px);transition:opacity 0.5s,transform 0.5s}
.stagger.vis>*:nth-child(1){opacity:1;transform:none;transition-delay:0s}
.stagger.vis>*:nth-child(2){opacity:1;transform:none;transition-delay:0.08s}
.stagger.vis>*:nth-child(3){opacity:1;transform:none;transition-delay:0.16s}
.stagger.vis>*:nth-child(4){opacity:1;transform:none;transition-delay:0.24s}
.stagger.vis>*:nth-child(5){opacity:1;transform:none;transition-delay:0.32s}
.stagger.vis>*:nth-child(6){opacity:1;transform:none;transition-delay:0.40s}
.stagger.vis>*:nth-child(7){opacity:1;transform:none;transition-delay:0.48s}
.stagger.vis>*:nth-child(8){opacity:1;transform:none;transition-delay:0.56s}
.stagger.vis>*:nth-child(9){opacity:1;transform:none;transition-delay:0.64s}
.tl-item{opacity:0;transform:translateX(-16px);transition:opacity 0.55s,transform 0.55s}
.tl-item.vis{opacity:1;transform:none}

/* animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{opacity:0.4}50%{opacity:1}}
@keyframes flowLine{from{stroke-dashoffset:300}to{stroke-dashoffset:0}}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:0.7}50%{transform:scale(1.3);opacity:1}}

/* wave hero bg */
.hero-wave{position:absolute;bottom:0;left:0;width:100%;pointer-events:none;line-height:0}
.hero-wave svg{display:block;width:100%}

/* layer cards for arch page */
.layer-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2rem 2.25rem;cursor:default;transition:all 0.35s;overflow:hidden;position:relative}
.layer-card::before{content:'';position:absolute;inset:0;opacity:0;transition:opacity 0.35s}
.layer-card:hover::before{opacity:1}
.layer-card:hover{transform:translateY(-3px);box-shadow:0 18px 50px rgba(0,0,0,0.3)}
.layer-l1::before{background:linear-gradient(135deg,rgba(6,214,160,0.06),transparent)}
.layer-l1{border-color:rgba(6,214,160,0.2)}
.layer-l1:hover{border-color:rgba(6,214,160,0.5)}
.layer-l2::before{background:linear-gradient(135deg,rgba(0,180,216,0.06),transparent)}
.layer-l2:hover{border-color:var(--primary)}
.layer-l3::before{background:linear-gradient(135deg,rgba(252,163,17,0.06),transparent)}
.layer-l3{border-color:rgba(252,163,17,0.2)}
.layer-l3:hover{border-color:rgba(252,163,17,0.5)}
.layer-num{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;font-family:'Space Grotesk',sans-serif;font-size:1.1rem;font-weight:700;margin-bottom:0.85rem}
.layer-l1 .layer-num{background:rgba(6,214,160,0.12);color:var(--success)}
.layer-l2 .layer-num{background:rgba(0,180,216,0.12);color:var(--primary)}
.layer-l3 .layer-num{background:rgba(252,163,17,0.12);color:var(--accent)}
.layer-tag{font-size:0.7rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;margin-bottom:0.3rem}
.layer-l1 .layer-tag{color:var(--success)}
.layer-l2 .layer-tag{color:var(--primary)}
.layer-l3 .layer-tag{color:var(--accent)}
.layer-title{font-family:'Space Grotesk',sans-serif;font-size:1.15rem;font-weight:600;margin-bottom:0.5rem}
.layer-desc{font-size:0.86rem;color:var(--muted);line-height:1.6}

/* code blocks */
pre{background:rgba(0,0,0,0.4);border:1px solid var(--border);border-radius:10px;padding:1.25rem;font-size:0.8rem;overflow-x:auto;font-family:'JetBrains Mono','Fira Code',monospace;line-height:1.6;color:#90e0ef;margin:1rem 0}
code{font-family:'JetBrains Mono','Fira Code',monospace;font-size:0.82em;background:rgba(0,180,216,0.08);padding:0.1em 0.35em;border-radius:4px;color:var(--secondary)}

/* pipe connector */
.pipe{display:flex;justify-content:center;padding:0.5rem 0}
.pipe svg{display:block}

/* stat row */
.stat-row{display:flex;gap:2rem;flex-wrap:wrap;margin:2rem 0}
.stat-box{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem 1.75rem;flex:1;min-width:140px}
.stat-val{font-family:'Space Grotesk',sans-serif;font-size:2rem;font-weight:700;color:var(--primary)}
.stat-lbl{font-size:0.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:0.07em;margin-top:0.1rem}

/* hamburger toggle */
.nav-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:0.5rem;flex-shrink:0;z-index:101}
.nav-toggle svg{display:block}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet (≤ 900px)
   ══════════════════════════════════════════════════════════════ */
@media(max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .section{padding:3rem 1.25rem}
  .hero{padding:7rem 1.25rem 3rem}
  .cta-block{padding:2rem 1.25rem}
  .stat-row{gap:1rem}
  .stat-box{min-width:120px;padding:1rem 1.25rem}
  .stat-val{font-size:1.6rem}
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — Mobile (≤ 768px)
   ══════════════════════════════════════════════════════════════ */
@media(max-width:768px){
  /* nav collapse */
  .nav-toggle{display:flex;align-items:center}
  nav{padding:0 1rem;flex-wrap:wrap}
  .nav-links{display:none;width:100%;flex-direction:column;gap:0;padding:0.5rem 0;border-top:1px solid var(--border);order:3}
  .nav-links.open{display:flex}
  .nav-link{padding:0.55rem 0.75rem;border-radius:0;border-bottom:1px solid rgba(255,255,255,0.03);font-size:0.85rem}
  .nav-link:last-child{border-bottom:none}
  nav.nav-open{height:auto!important}
  .nav-wordmark{font-size:0.85rem}

  /* hero */
  .hero{padding:6rem 1rem 2.5rem;min-height:auto!important}
  .hero h1{font-size:clamp(1.6rem,6vw,2.4rem)!important}
  .hero-sub{font-size:0.9rem}
  .hero-meta{gap:1rem}
  .hero-meta-val{font-size:1.35rem}
  .hero-meta-lbl{font-size:0.65rem}
  .page-logo{width:200px}

  /* sections */
  .section{padding:2.5rem 1rem}
  .section-inner{max-width:100%}
  .section-title{font-size:clamp(1.3rem,5vw,1.8rem)}

  /* cards */
  .card{padding:1.25rem;border-radius:12px}

  /* grids — single column */
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}

  /* tables — horizontal scroll */
  .data-table{min-width:600px}
  .table-wrap{-webkit-overflow-scrolling:touch}

  /* timeline */
  .timeline{padding-left:1.25rem}
  .tl-item{padding-left:1rem}
  .tl-dot{left:-1.65rem;width:12px;height:12px}

  /* stat row */
  .stat-row{flex-direction:column;gap:0.75rem}
  .stat-box{min-width:0;padding:0.85rem 1rem}
  .stat-val{font-size:1.4rem}

  /* cta */
  .cta-block{padding:1.5rem 1rem;border-radius:12px}
  .cta-block h2{font-size:1.3rem}
  .btn-row{flex-direction:column;align-items:stretch}
  .btn{justify-content:center}

  /* footer */
  footer{padding:1.5rem 1rem}
  .footer-links{flex-direction:column;align-items:center;gap:0.5rem}

  /* ai disclaimer */
  .ai-disclaimer-pill{top:auto;bottom:1rem;left:1rem;right:1rem;transform:none;font-size:0.72rem;padding:0.35rem 0.8rem;white-space:normal;text-align:center;justify-content:center}

  /* scroll hint */
  .scroll-hint{display:none}

  /* mermaid */
  .mermaid-wrap{padding:1rem;border-radius:12px}

  /* layer cards */
  .layer-card{padding:1.25rem}

  /* code blocks */
  pre{padding:0.85rem;font-size:0.75rem;border-radius:8px}

  /* kpi pills */
  .kpi-grid{gap:0.4rem}
  .kpi-card{padding:0.3rem 0.65rem}
  .kpi-val{font-size:0.85rem}
  .kpi-lbl{font-size:0.65rem}
}

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — Small Mobile (≤ 480px)
   ══════════════════════════════════════════════════════════════ */
@media(max-width:480px){
  .hero{padding:5.5rem 0.75rem 2rem}
  .hero h1{font-size:clamp(1.4rem,7vw,1.8rem)!important}
  .hero-meta{gap:0.75rem}
  .hero-meta-item{min-width:60px}
  .hero-meta-val{font-size:1.15rem}
  .section{padding:2rem 0.75rem}
  .section-title{font-size:1.2rem}
  .card{padding:1rem}
  .stat-row{gap:0.5rem}
  .chip{font-size:0.68rem;padding:0.15rem 0.45rem}
  .page-logo{width:160px}
}

/* ══════════════════════════════════════════════════════════════
   NARRATED TOUR — progress bar, side dots, caption, voice panel
   ══════════════════════════════════════════════════════════════ */

/* Tour progress bar (below fixed nav) */
.tour-progress-bar{position:fixed;top:64px;left:0;right:0;z-index:999;height:3px;background:rgba(0,180,216,0.12);opacity:0;transition:opacity 0.4s}
.tour-progress-bar.active{opacity:1}
.tour-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--success));width:0%;transition:width 0.5s ease-out;box-shadow:0 0 8px rgba(0,180,216,0.5)}

/* Side section dots */
.tour-section-indicator{position:fixed;right:1.5rem;top:50%;transform:translateY(-50%);z-index:998;display:flex;flex-direction:column;gap:7px;opacity:0;transition:opacity 0.4s}
.tour-section-indicator.active{opacity:1}
.tour-dot{width:10px;height:10px;border-radius:50%;background:var(--surface);border:2px solid var(--dim);transition:all 0.3s;cursor:pointer;position:relative}
.tour-dot.current{background:var(--primary);border-color:var(--primary);box-shadow:0 0 10px rgba(0,180,216,0.5);transform:scale(1.35)}
.tour-dot.done{background:var(--success);border-color:var(--success)}
.tour-dot .dot-tip{position:absolute;right:20px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:.72rem;color:var(--muted);opacity:0;transition:opacity 0.25s;pointer-events:none;background:var(--surface);padding:3px 10px;border-radius:6px;border:1px solid var(--border)}
.tour-dot:hover .dot-tip{opacity:1}

/* Caption bar */
.narration-caption{position:fixed;bottom:0;left:0;right:0;z-index:1001;background:rgba(4,13,26,0.95);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);padding:12px 2rem;text-align:center;transform:translateY(100%);transition:transform 0.4s cubic-bezier(.4,0,.2,1)}
.narration-caption.visible{transform:translateY(0)}
.narration-section-label{font-size:.68rem;text-transform:uppercase;letter-spacing:2px;color:var(--primary);font-weight:700;margin-bottom:4px}
.narration-text{max-width:880px;margin:0 auto;font-size:.88rem;color:var(--muted);line-height:1.55;font-style:italic;max-height:4.65em;overflow:hidden;position:relative;scroll-behavior:smooth}
.narration-text .nw{display:inline;opacity:0.3;transition:opacity 0.25s}
.narration-text .nw.spoken{opacity:1;color:var(--text)}
.narration-text .nw.current{opacity:1;color:#fff}

/* Tour button (in hero) */
.tour-btn{display:inline-flex;align-items:center;gap:12px;margin-top:2.5rem;padding:16px 44px;background:linear-gradient(135deg,var(--primary),var(--card2));border:2px solid var(--primary);border-radius:999px;color:#fff;font-size:1.1rem;font-weight:700;cursor:pointer;letter-spacing:.5px;transition:all 0.4s ease;box-shadow:0 0 40px rgba(0,180,216,0.25);font-family:'Inter',sans-serif}
.tour-btn:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 0 60px rgba(0,180,216,0.45)}
.tour-btn.touring{background:linear-gradient(135deg,#ef4444,#7f1d1d);border-color:#ef4444;box-shadow:0 0 40px rgba(239,68,68,0.25)}
@keyframes pulse-tour{0%{box-shadow:0 0 0 0 rgba(0,180,216,0.6)}70%{box-shadow:0 0 0 18px rgba(0,180,216,0)}100%{box-shadow:0 0 0 0 rgba(0,180,216,0)}}
.tour-btn:not(.touring){animation:pulse-tour 2.2s ease-out infinite}

/* Voice button in nav */
.voice-settings-btn{display:flex;align-items:center;gap:6px;background:rgba(10,26,46,0.9);border:1px solid var(--border);color:var(--muted);padding:6px 14px;border-radius:6px;cursor:pointer;font-size:11.5px;font-weight:600;letter-spacing:.5px;transition:all 0.3s;flex-shrink:0;font-family:'Inter',sans-serif}
.voice-settings-btn:hover{border-color:var(--primary);color:var(--primary)}

/* Voice settings modal */
.voice-panel-overlay{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,0.75);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:none;align-items:center;justify-content:center;padding:1rem}
.voice-panel-overlay.open{display:flex}
.voice-panel{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2rem;width:100%;max-width:660px;box-shadow:0 24px 80px rgba(0,0,0,0.7);max-height:90vh;overflow-y:auto;font-family:'Inter',sans-serif}
.vp-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid rgba(0,180,216,0.08)}
.vp-title{font-size:1.1rem;font-weight:600;color:var(--text)}
.vp-close{background:none;border:none;color:var(--dim);font-size:1.4rem;cursor:pointer;transition:color 0.2s}
.vp-close:hover{color:var(--text)}
.vp-tabs{display:flex;gap:6px;margin-bottom:1.5rem}
.vp-tab{padding:7px 18px;border-radius:8px;border:1px solid rgba(0,180,216,0.1);cursor:pointer;font-size:.8rem;font-weight:600;color:var(--muted);transition:all 0.25s;font-family:inherit;background:none}
.vp-tab:hover{border-color:var(--primary);color:var(--text)}
.vp-tab.active{background:linear-gradient(135deg,var(--primary),var(--card2));color:#fff;border-color:var(--primary)}
.vp-section{display:none}
.vp-section.active{display:block}
.vp-label{font-size:.75rem;font-weight:700;color:var(--dim);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.vp-info{font-size:.82rem;color:var(--dim);line-height:1.6;background:var(--card);border:1px solid rgba(0,180,216,0.08);border-radius:8px;padding:12px;margin-bottom:1rem}
.vp-info a{color:var(--primary);text-decoration:none}
.vp-info a:hover{text-decoration:underline}
.vp-input{width:100%;background:var(--card);border:1px solid rgba(0,180,216,0.15);color:var(--text);border-radius:8px;padding:10px 14px;font-size:.88rem;margin-bottom:.8rem;font-family:'Cascadia Code',monospace;box-sizing:border-box}
.vp-input:focus{outline:none;border-color:var(--primary)}
.vp-input::placeholder{color:var(--dim)}
.vp-select{width:100%;background:var(--card);border:1px solid rgba(0,180,216,0.15);color:var(--text);border-radius:8px;padding:10px 14px;font-size:.88rem;margin-bottom:1rem;font-family:inherit;cursor:pointer;box-sizing:border-box}
.vp-select:focus{outline:none;border-color:var(--primary)}
.vp-voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:260px;overflow-y:auto;margin-bottom:1rem}
.vp-voice-card{background:var(--card);border:1px solid rgba(0,180,216,0.08);border-radius:8px;padding:10px 12px;cursor:pointer;transition:all 0.25s}
.vp-voice-card:hover{border-color:var(--primary)}
.vp-voice-card.selected{border-color:var(--primary);background:rgba(0,180,216,0.08)}
.vp-voice-name{font-size:.8rem;font-weight:700;color:var(--text)}
.vp-voice-lang{font-size:.72rem;color:var(--dim);margin-top:2px}
.vp-voice-local{font-size:.68rem;padding:1px 6px;border-radius:999px;background:rgba(0,180,216,0.1);color:var(--primary);margin-top:4px;display:inline-block}
.vp-azure-voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:1rem}
.vp-az-card{background:var(--card);border:1px solid rgba(0,180,216,0.08);border-radius:8px;padding:10px 12px;cursor:pointer;transition:all 0.25s}
.vp-az-card:hover{border-color:var(--primary)}
.vp-az-card.selected{border-color:var(--primary);background:rgba(0,180,216,0.08)}
.vp-az-name{font-size:.82rem;font-weight:700;color:var(--text)}
.vp-az-style{font-size:.72rem;color:var(--dim);margin-top:2px}
.vp-slider-row{display:flex;align-items:center;gap:12px;margin-bottom:.8rem}
.vp-slider-label{width:60px;font-size:.8rem;color:var(--dim);font-weight:600}
.vp-slider{flex:1;accent-color:var(--primary);cursor:pointer}
.vp-slider-val{width:44px;text-align:right;font-size:.8rem;color:var(--primary);font-weight:700;font-family:'Cascadia Code',monospace}
.vp-test-btn{background:rgba(0,180,216,0.1);border:1px solid rgba(0,180,216,0.2);color:var(--primary);padding:8px 18px;border-radius:8px;font-size:.8rem;font-weight:700;cursor:pointer;transition:all 0.25s;font-family:inherit}
.vp-test-btn:hover{background:rgba(0,180,216,0.2)}
.vp-status{font-size:.78rem;color:var(--dim);margin-top:8px;min-height:18px}
.vp-status.ok{color:var(--success)}
.vp-status.err{color:var(--danger)}
.vp-actions{display:flex;gap:10px;margin-top:1.5rem;padding-top:1rem;border-top:1px solid rgba(0,180,216,0.08)}
.vp-btn{padding:10px 22px;border-radius:8px;font-size:.88rem;font-weight:700;cursor:pointer;transition:all 0.25s;border:none;font-family:inherit}
.vp-btn-primary{background:linear-gradient(135deg,var(--primary),var(--card2));color:#fff;flex:1}
.vp-btn-primary:hover{opacity:.9}
.vp-btn-secondary{background:var(--card);color:var(--muted);border:1px solid rgba(0,180,216,0.15)}
.vp-btn-secondary:hover{border-color:var(--primary);color:var(--text)}
.vp-engine-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:.7rem;font-weight:700;border:1px solid;margin-left:.5rem;vertical-align:middle}
.vp-engine-badge.system{background:rgba(59,130,246,0.1);border-color:#3b82f6;color:#3b82f6}
.vp-engine-badge.azure{background:rgba(6,214,160,0.1);border-color:var(--success);color:var(--success)}

/* Tour responsive */
@media(max-width:768px){
  .tour-section-indicator{right:.75rem;gap:5px}
  .tour-dot{width:8px;height:8px}
  .tour-dot .dot-tip{display:none}
  .narration-caption{padding:10px 1rem}
  .narration-text{max-height:4.65em}
  .narration-text{font-size:.82rem}
  .tour-btn{padding:12px 28px;font-size:.95rem;margin-top:1.5rem}
  /* Voice button: hidden by default on mobile, shown inside hamburger menu */
  .voice-settings-btn{display:none;order:4;width:100%;justify-content:center;padding:0.55rem 0.75rem;font-size:0.85rem;border-radius:0;border-top:1px solid rgba(255,255,255,0.03);border-bottom:none;border-left:none;border-right:none;background:transparent}
  .nav-links.open ~ .voice-settings-btn{display:flex}
  nav.nav-open .voice-settings-btn{display:flex}
  .voice-panel{padding:1.25rem}
  .vp-voice-grid,.vp-azure-voice-grid{grid-template-columns:1fr}
}