/* Gus Zins LLC — sound engineering. Dark cinematic studio aesthetic.
   References (refero): Splice, Suno, Frame.io — deep blacks, warm amber accent. */
:root{
  --bg:#0a0a0b; --bg2:#0e0e10; --surface:#151517; --surface2:#1c1c20;
  --line:rgba(255,255,255,.10); --line2:rgba(255,255,255,.18);
  --ink:#f6f6f7; --muted:rgba(246,246,247,.62); --faint:rgba(246,246,247,.40);
  --accent:#ff7a1a; --accent-2:#ffa24d; --accent-ink:#1a0e03;
  --maxw:1180px; --r:18px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.05;font-weight:800}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.26em;color:var(--accent-2)}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;border-radius:999px;padding:14px 26px;
  font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.18s ease;white-space:nowrap}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line2);color:var(--ink)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.04)}

/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;transition:background .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.hdr.scrolled{background:rgba(10,10,11,.82);backdrop-filter:blur(12px);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand img{width:34px;height:34px}
.nav{display:flex;align-items:center;gap:28px}
.nav a.lnk{font-size:14.5px;font-weight:600;color:var(--muted)}
.nav a.lnk:hover{color:var(--ink)}
.nav-cta{margin-left:6px}
.menu-btn{display:none;background:none;border:0;color:var(--ink);font-size:24px;cursor:pointer}

/* ===== HERO (scroll-scrub journey) ===== */
.hero{position:relative;height:560vh;background:#070708}
.hero .stick{position:sticky;top:0;height:100vh;overflow:hidden}
.hero canvas{position:absolute;inset:0;width:100%;height:100%}
.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
.hero .scrim{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,7,8,.62)0%,rgba(7,7,8,.12)30%,rgba(7,7,8,.20)55%,rgba(7,7,8,.86)100%)}
.hero .eyebrow-top{position:absolute;top:96px;left:0;right:0;z-index:6}
.hero .stage{position:absolute;inset:0;z-index:5;display:flex;align-items:center}
.hero .stage .inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

.headline{max-width:760px;transition:opacity .2s linear}
.headline h1{font-size:clamp(40px,7vw,82px);font-weight:900;text-shadow:0 2px 40px rgba(0,0,0,.55)}
.headline h1 .amp{color:var(--accent-2)}
.headline p{margin:22px 0 0;max-width:540px;font-size:clamp(16px,2.2vw,20px);color:rgba(246,246,247,.9)}
.headline .cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}

/* per-scene captions overlaid on the journey */
.scene-cap{position:absolute;inset:0;display:flex;align-items:center;pointer-events:none}
.scene-cap .inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.scene-cap .card{max-width:520px}
.scene-cap .k{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.22em;color:var(--accent-2)}
.scene-cap .t{margin-top:12px;font-size:clamp(26px,4vw,44px);font-weight:800;text-shadow:0 2px 30px rgba(0,0,0,.6)}

/* scene label + progress dots */
.hud{position:absolute;left:0;right:0;bottom:30px;z-index:6}
.hud .row{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:14px}
.hud .lab{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.2em;color:rgba(255,255,255,.8)}
.hud .bar{height:1px;width:48px;background:rgba(255,255,255,.3)}
.hud .dots{display:flex;gap:7px}
.hud .dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.3);transition:.2s}
.hud .scrollcue{margin-top:8px;max-width:var(--maxw);margin-left:auto;margin-right:auto;padding:0 24px;
  font-size:12px;color:rgba(255,255,255,.45);transition:opacity .3s}

/* ===== sections ===== */
section.band{padding:108px 0;position:relative}
.band.alt{background:var(--bg2)}
.kicker{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.22em;color:var(--accent-2);margin-bottom:18px}
h2.title{font-size:clamp(30px,4.4vw,50px);font-weight:900;max-width:18ch}
.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:60ch;margin-top:20px}
.grid2{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.prose p{color:var(--muted);margin:0 0 18px}
.prose p:first-of-type{color:var(--ink)}
.media{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}

/* offer steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.step .n{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.1em}
.step h3{font-size:19px;margin:12px 0 8px;font-weight:800}
.step p{color:var(--muted);font-size:15.5px;margin:0}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.pill{border:1px solid var(--line2);border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;color:var(--muted)}
.pill b{color:var(--ink)}

/* who is gus */
.gus{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}
.gus .portrait{border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.gus .portrait img{aspect-ratio:4/5;object-fit:cover;width:100%}

/* sessions */
.video-feature{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:#000}
.video-feature iframe{width:100%;height:100%;border:0;display:block}
.session-row{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}

/* contact form */
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:34px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin:0 0 7px;letter-spacing:.02em}
.field{margin-bottom:18px}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line2);border-radius:12px;
  padding:13px 15px;color:var(--ink);font-family:inherit;font-size:15.5px}
input:focus,select,textarea:focus{outline:none;border-color:var(--accent)}
textarea{resize:vertical;min-height:90px}
.form-note{font-size:14px;color:var(--muted);margin:6px 0 22px}
.form-note a{color:var(--accent-2);font-weight:600}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;opacity:0}
.filein{padding:11px 13px;cursor:pointer}
.filein::file-selector-button{background:var(--surface2);color:var(--ink);border:1px solid var(--line2);
  border-radius:9px;padding:8px 14px;margin-right:12px;font-family:inherit;font-weight:600;cursor:pointer}
.filein::file-selector-button:hover{border-color:var(--accent)}
.ts{margin:4px 0 18px;min-height:65px}
.form-status{font-size:14.5px;font-weight:600;margin:14px 0 0;min-height:1.2em}
.form-status.ok{color:#54e08a}.form-status.warn{color:var(--accent-2)}

/* footer */
footer{border-top:1px solid var(--line);padding:54px 0 60px;background:var(--bg2)}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot .brand{margin-bottom:14px}
.foot a.lnk{color:var(--muted);display:block;margin:8px 0;font-size:15px}
.foot a.lnk:hover{color:var(--ink)}
.foot .col h4{font-size:13px;text-transform:uppercase;letter-spacing:.18em;color:var(--faint);margin:0 0 10px;font-weight:700}
.copy{margin-top:40px;color:var(--faint);font-size:14px}

/* simple page hero (behind the scenes) */
.page-top{padding:150px 0 40px}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:40px}

@media(max-width:880px){
  .nav{display:none}.menu-btn{display:block}
  .grid2,.gus,.session-row{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  section.band{padding:76px 0}
  .hero{height:480vh}
}
@media(prefers-reduced-motion:reduce){
  .hero{height:100vh!important}
  .hero .stick{position:relative}
  .hero canvas{display:none}.hero .poster{display:block}
  .scene-cap,.hud{display:none}
  .headline{opacity:1!important}
}