:root{--bg-canvas:#13261d;--bg-surface:#20382b;--bg-surface-hover:#2a4635;--text-primary:#efe6d2;--text-muted:#c2c8b8;--accent-primary:#b8923a;--accent-secondary:#d9bd78;--border-subtle:#49604b;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.25);--glow-accent:0 0 24px -4px #b8923a55;--glass-backdrop:blur(16px) saturate(180%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:17px/1.75 "Trebuchet MS","Segoe UI",sans-serif;overflow-wrap:anywhere;hyphens:auto}a{color:var(--accent-secondary);text-underline-offset:4px}a:hover{color:var(--text-primary)}button,input,select,textarea{font:inherit}button,a,input,textarea,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;width:100%;object-fit:cover;border-radius:20px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.13;letter-spacing:-.035em}h1{font-size:clamp(2.4rem,5.5vw,4.9rem);max-width:17ch;margin-bottom:24px}h2{font-size:clamp(1.7rem,3vw,2.6rem)}h3{font-size:1.3rem}p{margin-bottom:1.3em}ul,ol{padding-left:1.3em}li{margin-bottom:.55em}.wrap{width:min(1200px,calc(100% - 48px));margin:auto}.skip{position:absolute;left:12px;top:-90px;background:var(--accent-primary);color:#13261d;padding:12px;z-index:50}.skip:focus{top:10px}:focus-visible{outline:3px solid var(--accent-secondary);outline-offset:5px}header{position:relative;border-bottom:1px solid var(--border-subtle);padding:16px 0 22px;z-index:10}.tagline{font-size:.73rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted);margin:0 0 12px}.header-row{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-primary);text-decoration:none;font-size:1.12rem;flex-shrink:0}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--accent-primary);border-radius:10px;color:var(--accent-secondary);font-size:20px}nav{display:flex;gap:21px;align-items:center}nav a{text-decoration:none;font-size:.9rem;color:var(--text-primary)}nav a[aria-current=page]{color:var(--accent-secondary);border-bottom:1px solid}.menu-toggle{display:none;border:1px solid var(--border-subtle);background:var(--bg-surface);color:var(--text-primary);border-radius:12px;font-size:28px;line-height:1;width:44px;height:44px}.eyebrow{color:var(--accent-secondary);font-size:.78rem;letter-spacing:.15em;text-transform:uppercase;font-weight:bold}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding:80px 0 90px}.hero-copy p:not(.eyebrow){max-width:55ch;color:var(--text-muted)}.button,button.action{display:inline-block;text-decoration:none;background:var(--accent-primary);color:#13261d;border:1px solid var(--accent-primary);padding:13px 21px;border-radius:12px;box-shadow:4px 4px 0 #080f0b;font-weight:bold;transition:transform .3s var(--ease-kinetic),box-shadow .3s,background .3s}.button:hover,button.action:hover{transform:translate(3px,3px);box-shadow:1px 1px 0 #080f0b;color:#13261d;background:var(--accent-secondary)}.button.secondary,button.secondary{background:transparent;color:var(--text-primary);border-color:var(--border-subtle)}button:disabled{opacity:.5;cursor:not-allowed}.hero-photos{position:relative;min-height:420px;isolation:isolate}.hero-photos:before{content:"";position:absolute;inset:0;border-radius:50%;background:radial-gradient(ellipse,#b8923a33,transparent 65%);background-size:200% 200%;animation:gradientShift 12s ease infinite}.hero-photos img{position:absolute;border:5px solid var(--bg-canvas);box-shadow:var(--shadow-elevation);filter:brightness(.78) contrast(1.12)}.hero-microphone-photo{width:66%;height:340px;left:0;top:10px;transform:rotate(-7deg)}.hero-recording-desk-photo{width:60%;height:270px;right:0;top:95px;transform:rotate(7deg)}.hero-studio-cables-photo{width:43%;height:170px;left:22%;bottom:0;transform:rotate(-3deg);z-index:2}.trail{position:relative;padding-bottom:50px}.trail:before{content:"";position:absolute;top:25px;bottom:55px;left:27px;width:1px;background:linear-gradient(var(--accent-primary),var(--border-subtle))}.node{position:relative;padding:30px 0 55px 90px}.node-number{position:absolute;left:0;top:27px;width:56px;height:56px;border-radius:50%;border:1px solid var(--accent-primary);background:var(--bg-canvas);display:grid;place-items:center;color:var(--accent-secondary);font-size:.9rem;z-index:1}.node-content{max-width:100%}.node-content>p{max-width:70ch}.field{background:var(--bg-surface);padding:36px;border-radius:20px;position:relative}.field:before{content:"";position:absolute;top:-12px;left:30px;width:140px;height:13px;background:var(--bg-surface);clip-path:polygon(12% 0,100% 100%,0 100%)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.image-card,.panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px;box-shadow:var(--shadow-elevation)}.image-card{overflow:hidden;transition:transform .4s var(--ease-kinetic),box-shadow .4s}.image-card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent)}.image-card img{aspect-ratio:4/3;height:auto;border-radius:20px 20px 0 0;filter:brightness(.8)}.card-body{padding:0 24px 24px}.label{display:inline-block;position:relative;top:-16px;background:var(--accent-primary);color:#13261d;padding:3px 12px;border-radius:7px;font-size:.76rem;font-weight:bold;letter-spacing:.06em}.card-body p{font-size:.95rem;color:var(--text-muted)}.panel{padding:30px}.split-card{display:grid;grid-template-columns:180px 1fr;gap:26px;align-items:center}.split-card img{aspect-ratio:1/1;height:auto}.meta{font-size:.84rem;color:var(--text-muted)}.reading{max-width:70ch;margin:0 auto}.topic-intro{padding:68px 0 48px}.topic-intro p{max-width:68ch;color:var(--text-muted);font-size:1.12rem}.topic-banner{aspect-ratio:16/9;max-height:400px;margin-bottom:50px;filter:brightness(.78)}.table-scroll{overflow-x:auto;border:1px solid var(--border-subtle);border-radius:20px;margin:25px 0}table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:560px}th,td{text-align:left;vertical-align:top;padding:16px;border-bottom:1px solid var(--border-subtle)}th{background:var(--bg-surface);color:var(--accent-secondary)}tr:last-child td{border:0}.checklist{list-style:none;padding:0}.checklist li{padding:12px 0 12px 28px;border-bottom:1px solid var(--border-subtle);position:relative}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--accent-secondary)}.diagram{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:26px 0}.diagram span{background:var(--bg-surface);padding:12px 18px;border:1px solid var(--border-subtle);border-radius:20px}.diagram b{color:var(--accent-secondary)}.next{margin:25px 0 70px;padding:30px;border-radius:20px;background:var(--bg-surface)}.references{margin-bottom:60px}.references a{display:inline-block;margin:0 15px 10px 0}details{border:1px solid var(--border-subtle);border-radius:20px;padding:20px 24px;margin-bottom:16px;background:var(--bg-surface)}summary{cursor:pointer;font-weight:bold;color:var(--text-primary)}details p{margin:18px 0 0}.faq-list{padding-bottom:60px}.contact-form label{display:block;font-weight:bold;margin-bottom:7px}.contact-form input,.contact-form textarea,.contact-form select{width:100%;background:var(--bg-canvas);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:12px;padding:12px;margin-bottom:20px}.contact-form textarea{min-height:170px;resize:vertical}.actions{display:flex;gap:16px;flex-wrap:wrap}.message-preview{white-space:pre-wrap;overflow-wrap:anywhere;background:#102017;border:1px solid var(--border-subtle);border-radius:16px;padding:22px;font:inherit;min-height:120px}.status{min-height:1.75em;color:var(--accent-secondary);margin-top:16px}.legal{padding-bottom:70px}.legal h2{font-size:1.55rem;margin-top:36px}.site-footer{border-top:1px solid var(--border-subtle);background:#102017;padding:48px 0 24px;font-size:.9rem}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px}.site-footer h2{font-size:1rem;letter-spacing:0}.site-footer a{display:inline-block;margin:0 14px 8px 0}.site-footer p{color:var(--text-muted)}.company{border-top:1px solid var(--border-subtle);padding-top:24px;margin-top:24px}.company address{font-style:normal;color:var(--text-muted)}.copyright{margin:20px 0 0;font-size:.8rem}.reveal-ready{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}.reveal-visible{opacity:1;transform:translateY(0)}@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@media(min-width:1025px){.node-content .grid{margin-top:30px}.hero-photos{margin-right:10px}}
@media(min-width:769px) and (max-width:1024px){nav{gap:12px}.brand{font-size:1rem}.hero{gap:24px}.hero-photos{min-height:360px}.hero-microphone-photo{height:290px}.hero-recording-desk-photo{height:220px}.hero-studio-cables-photo{height:145px}}
@media(max-width:768px){.hero{grid-template-columns:1fr;padding:48px 0;gap:20px}.hero h1{max-width:18ch}.hero-photos{min-height:350px;max-width:520px;width:100%;margin:0 auto}.hero-microphone-photo{height:285px}.hero-recording-desk-photo{height:220px}.hero-studio-cables-photo{height:145px}.node{padding-left:74px}.footer-grid{grid-template-columns:1fr 1fr}.footer-scope{grid-column:1/-1}.split-card{grid-template-columns:120px 1fr}.field{padding:25px}.topic-intro{padding-top:45px}.grid{grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}}
@media(max-width:767px){.menu-toggle{display:block}nav{display:none;position:absolute;left:24px;right:24px;top:calc(100% - 5px);background:var(--bg-surface);padding:22px;border:1px solid var(--border-subtle);border-radius:20px;box-shadow:var(--shadow-elevation);flex-direction:column;align-items:stretch;gap:0}nav.open{display:flex;animation:menuDown .25s var(--ease-kinetic)}nav a{padding:12px}nav a[aria-current=page]{border:0;background:var(--bg-canvas);border-radius:10px}@keyframes menuDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:480px){.wrap{width:calc(100% - 32px)}body{font-size:16px}.tagline{font-size:.65rem;letter-spacing:.08em}.brand{font-size:1rem}.node{padding-left:48px;padding-bottom:32px}.node-number{width:36px;height:36px;font-size:.75rem;top:30px}.trail:before{left:17px}.field,.panel{padding:21px}.hero-photos{min-height:280px}.hero-microphone-photo{height:230px}.hero-recording-desk-photo{height:175px;top:70px}.hero-studio-cables-photo{height:120px}.split-card{grid-template-columns:1fr}.split-card img{max-height:210px;aspect-ratio:16/9}.footer-grid{grid-template-columns:1fr}.footer-scope{grid-column:auto}.button{padding:12px 15px}.topic-intro p{font-size:1rem}.node h2{font-size:1.65rem}nav{left:16px;right:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.reveal-ready{opacity:1;transform:none}}