/* ===================================================================
   BENJI KOSHY AUDIO — design tokens
   Two accents by design: amber = warmth/loudness, signal-teal = clarity/precision.
   =================================================================== */
:root{
  --ink:        #0B0F14;
  --ink-raised: #131A22;
  --ink-line:   #232C36;
  --ivory:      #EDE7DB;
  --muted:      #93A0AC;
  --amber:      #E8A33D;
  --amber-dim:  #B87D2C;
  --signal:     #5FD4C4;
  --signal-dim: #3D9A8E;
  --danger:     #E2694F;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius-s: 8px;
  --radius-m: 14px;
  --radius-l: 22px;
  --radius-pill: 999px;

  --ease: cubic-bezier(.22,.9,.25,1);
  --wrap-w: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--ink);
  color:var(--ivory);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{ font-family:var(--font-display); font-weight:500; margin:0 0 .5em; letter-spacing:-0.01em; color:var(--ivory); }
p{ margin:0 0 1em; color:var(--muted); }
a{ color:inherit; }
ul{ margin:0; padding:0; list-style:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; }

.wrap{ max-width:var(--wrap-w); margin:0 auto; padding:0 28px; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--amber); color:var(--ink);
  padding:10px 18px; z-index:200; border-radius:0 0 8px 0; font-weight:600;
}
.skip-link:focus{ left:0; }

:focus-visible{ outline:2px solid var(--signal); outline-offset:3px; border-radius:2px; }

.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--amber); margin:0 0 .9em; font-weight:500;
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; gap:8px; justify-content:center;
  padding:15px 26px; border-radius:var(--radius-pill); font-weight:600; font-size:15px;
  text-decoration:none; border:1px solid transparent; cursor:pointer; transition:transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--amber); color:#1A1000; box-shadow:0 8px 24px -8px rgba(232,163,61,.55); }
.btn-primary:hover{ background:#f0ae49; }
.btn-ghost{ background:transparent; color:var(--ivory); border-color:var(--ink-line); }
.btn-ghost:hover{ border-color:var(--signal); color:var(--signal); }
.btn-small{ padding:11px 20px; font-size:14px; }

/* ===================== HEADER ===================== */
.site-header{
  position:sticky; top:0; z-index:100; background:rgba(11,15,20,.82); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ink-line);
}
.header-inner{ display:flex; align-items:center; gap:28px; padding-top:16px; padding-bottom:16px; }
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--ivory); font-family:var(--font-display); font-size:18px; font-weight:600; margin-right:auto; }
.brand em{ font-style:normal; color:var(--amber); font-weight:500; margin-left:.3em; font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; vertical-align:middle; }
.brand-mark{ width:24px; height:24px; color:var(--amber); flex-shrink:0; }
.main-nav{ display:flex; gap:28px; }
.main-nav a{ text-decoration:none; color:var(--muted); font-size:14.5px; font-weight:500; transition:color .2s; }
.main-nav a:hover{ color:var(--ivory); }
.nav-cta{ display:inline-flex; }
.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px; cursor:pointer; }
.nav-toggle span{ width:22px; height:2px; background:var(--ivory); border-radius:2px; }
.mobile-nav{ display:none; flex-direction:column; padding:8px 28px 20px; }
.mobile-nav a{ color:var(--ivory); text-decoration:none; padding:12px 0; border-top:1px solid var(--ink-line); font-size:15px; }

@media (max-width:860px){
  .main-nav, .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .mobile-nav.is-open{ display:flex; }
}

/* ===================== HERO ===================== */
.hero{ position:relative; padding:120px 0 90px; overflow:hidden; }
.hero-waveform{ position:absolute; inset:0; width:100%; height:100%; opacity:.5; }
.hero-fade{ position:absolute; inset:0; background:linear-gradient(180deg, transparent 40%, var(--ink) 96%); pointer-events:none; }
.hero-inner{ position:relative; z-index:2; max-width:760px; }
.hero-headline{ font-size:clamp(2.4rem, 5.6vw, 4.4rem); line-height:1.05; margin-bottom:.45em; }
.ink-accent{ color:var(--signal); font-style:italic; }
.hero-sub{ font-size:19px; max-width:540px; color:var(--ivory); opacity:.78; margin-bottom:2em; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:16px; margin-bottom:1.6em; }
.hero-trust{ font-family:var(--font-mono); font-size:12.5px; color:var(--muted); letter-spacing:.02em; }

.section-divider{ color:var(--ink-line); height:24px; }
.section-divider svg{ width:100%; height:100%; display:block; }

/* ===================== SECTION HEAD ===================== */
.section-head{ max-width:620px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(1.9rem, 3.4vw, 2.6rem); }
.section-sub{ font-size:16.5px; }

section{ padding:100px 0; }

/* ===================== SERVICES ===================== */
.service-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.service-card{
  background:var(--ink-raised); border:1px solid var(--ink-line); border-radius:var(--radius-l);
  padding:30px 26px; transition:transform .3s var(--ease), border-color .3s;
}
.service-card:hover{ transform:translateY(-6px); border-color:var(--ink-line); box-shadow:0 20px 40px -20px rgba(0,0,0,.6); }
.service-icon{ width:52px; height:52px; margin-bottom:22px; color:var(--icon-color, var(--amber)); }
.service-icon svg{ width:100%; height:100%; }
.service-card h3{ font-size:19px; margin-bottom:.55em; }
.service-card p{ font-size:14.5px; margin-bottom:1.3em; }
.service-list{ display:flex; flex-direction:column; gap:9px; }
.service-list li{ font-size:13px; color:var(--ivory); opacity:.72; padding-left:16px; position:relative; }
.service-list li::before{ content:""; position:absolute; left:0; top:7px; width:6px; height:1.5px; background:var(--signal); }

@media (max-width:1000px){ .service-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .service-grid{ grid-template-columns:1fr; } }

/* ===================== A/B PLAYER ===================== */
.ab-player{ background:var(--ink-raised); border:1px solid var(--ink-line); border-radius:var(--radius-l); padding:34px; }
.ab-tabs{ display:flex; gap:6px; margin-bottom:28px; flex-wrap:wrap; border-bottom:1px solid var(--ink-line); padding-bottom:22px; }
.ab-tab{
  background:none; border:1px solid var(--ink-line); color:var(--muted); padding:9px 18px;
  border-radius:var(--radius-pill); font-size:13.5px; font-weight:500; cursor:pointer; transition:.2s;
}
.ab-tab:hover{ color:var(--ivory); }
.ab-tab.is-active{ background:var(--signal); border-color:var(--signal); color:#062421; }

.ab-transport{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.ab-play{
  width:56px; height:56px; border-radius:50%; background:var(--amber); border:none; color:#1a1000;
  display:flex; align-items:center; justify-content:center; cursor:pointer; flex-shrink:0; transition:transform .2s;
}
.ab-play:hover{ transform:scale(1.06); }
.ab-play svg{ margin-left:2px; }

.ab-waveform-wrap{ position:relative; flex:1 1 320px; min-width:240px; }
.ab-waveform{ width:100%; height:90px; display:block; border-radius:var(--radius-s); background:var(--ink); }
.ab-scrubber{ position:absolute; top:0; bottom:0; left:0; width:2px; background:var(--ivory); opacity:.85; pointer-events:none; }
.ab-time{ font-family:var(--font-mono); font-size:12px; color:var(--muted); margin-top:8px; }

.ab-toggle{ display:flex; background:var(--ink); border:1px solid var(--ink-line); border-radius:var(--radius-pill); padding:4px; flex-shrink:0; }
.ab-toggle-btn{
  display:flex; align-items:center; gap:8px; background:none; border:none; color:var(--muted); padding:10px 18px;
  border-radius:var(--radius-pill); font-size:13.5px; font-weight:600; cursor:pointer; transition:.2s;
}
.ab-toggle-dot{ width:7px; height:7px; border-radius:50%; background:currentColor; opacity:.5; }
.ab-toggle-btn.is-active{ background:var(--ink-raised); color:var(--signal); }
.ab-toggle-btn.is-active .ab-toggle-dot{ background:var(--signal); opacity:1; box-shadow:0 0 8px var(--signal); }
.ab-toggle-btn[data-version="raw"].is-active{ color:var(--amber); }
.ab-toggle-btn[data-version="raw"].is-active .ab-toggle-dot{ background:var(--amber); box-shadow:0 0 8px var(--amber); }

.ab-note{ font-size:12.5px; color:var(--muted); margin:20px 0 0; font-family:var(--font-mono); }
.ab-note code{ color:var(--signal); }

/* ===================== WORK GRID ===================== */
.work-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.work-card{ border-radius:var(--radius-m); overflow:hidden; background:var(--ink-raised); border:1px solid var(--ink-line); }
.work-art{ position:relative; aspect-ratio:3/4; overflow:hidden; background:var(--ink); }
.work-art--wide{ aspect-ratio:4/3; }
.work-art img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.work-card:hover .work-art img{ transform:scale(1.06); }
.genre-badge{
  position:absolute; top:12px; left:12px; background:rgba(11,15,20,.78); backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.14); color:var(--ivory); font-family:var(--font-mono); font-size:10.5px;
  letter-spacing:.05em; text-transform:uppercase; padding:6px 10px; border-radius:var(--radius-pill);
}
.work-meta{ padding:18px 18px 20px; }
.work-meta h3{ font-size:17px; margin-bottom:.2em; }
.work-client{ font-size:13.5px; color:var(--ivory); opacity:.65; margin-bottom:.5em; }
.work-role{ font-size:12px; font-family:var(--font-mono); color:var(--signal); margin:0; }

@media (max-width:1000px){ .work-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .work-grid{ grid-template-columns:1fr; } }

/* ===================== ESTIMATOR ===================== */
.estimator-form{ background:var(--ink-raised); border:1px solid var(--ink-line); border-radius:var(--radius-l); padding:40px; max-width:760px; margin:0 auto; }

.progress-track{ color:var(--ink-line); height:20px; margin-bottom:8px; position:relative; }
.progress-track svg, .progress-bar svg{ width:400%; height:100%; }
.progress-bar{ color:var(--ink-line); overflow:hidden; height:100%; width:25%; transition:width .4s var(--ease); }
.progress-bar svg{ color:var(--signal); }
.step-labels{ display:flex; justify-content:space-between; margin-bottom:34px; }
.step-labels li{ font-family:var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); position:relative; }
.step-labels li.is-active{ color:var(--signal); }
.step-labels li.is-done{ color:var(--amber); }

fieldset{ border:none; margin:0; padding:0; }
.form-step{ display:none; }
.form-step.is-active{ display:block; animation:stepIn .35s var(--ease); }
@keyframes stepIn{ from{ opacity:0; transform:translateY(8px);} to{ opacity:1; transform:none; } }
legend{ font-family:var(--font-display); font-size:22px; color:var(--ivory); padding:0; margin-bottom:26px; }

.option-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.option-card{
  position:relative; display:flex; flex-direction:column; align-items:center; gap:12px; text-align:center;
  border:1px solid var(--ink-line); border-radius:var(--radius-m); padding:22px 12px; cursor:pointer; transition:.2s;
}
.option-card input{ position:absolute; opacity:0; }
.option-card svg{ width:32px; height:32px; color:var(--muted); transition:.2s; }
.option-card span{ font-size:13.5px; font-weight:600; color:var(--muted); }
.option-card:hover{ border-color:var(--signal-dim); }
.option-card:has(input:checked){ border-color:var(--amber); background:rgba(232,163,61,.08); }
.option-card:has(input:checked) svg, .option-card:has(input:checked) span{ color:var(--amber); }
.option-card:has(input:focus-visible){ outline:2px solid var(--signal); outline-offset:2px; }

@media (max-width:640px){ .option-grid{ grid-template-columns:repeat(2,1fr); } }

.stepper-row{ display:flex; align-items:center; justify-content:space-between; gap:20px; margin-bottom:26px; padding:18px 20px; background:var(--ink); border-radius:var(--radius-m); border:1px solid var(--ink-line); }
.stepper-label{ font-size:14.5px; font-weight:500; }
.stepper{ display:flex; align-items:center; gap:2px; }
.stepper-btn{ width:34px; height:34px; border-radius:50%; border:1px solid var(--ink-line); background:transparent; color:var(--ivory); font-size:18px; cursor:pointer; transition:.2s; }
.stepper-btn:hover{ border-color:var(--signal); color:var(--signal); }
.stepper input{ width:56px; text-align:center; background:none; border:none; color:var(--ivory); font-family:var(--font-mono); font-size:18px; font-weight:500; -moz-appearance:textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button{ -webkit-appearance:none; margin:0; }

.field-label{ display:block; font-size:13.5px; font-weight:500; margin-bottom:10px; }
.select-field, textarea, input[type="text"], input[type="email"]{
  width:100%; background:var(--ink); border:1px solid var(--ink-line); color:var(--ivory);
  border-radius:var(--radius-s); padding:13px 16px; font-family:var(--font-body); font-size:14.5px; transition:border-color .2s;
}
.select-field:focus, textarea:focus, input[type="text"]:focus, input[type="email"]:focus{ border-color:var(--signal); outline:none; }
textarea{ resize:vertical; font-family:var(--font-body); }

.addon-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.addon-item{ display:flex; align-items:center; gap:12px; border:1px solid var(--ink-line); border-radius:var(--radius-s); padding:14px 16px; cursor:pointer; transition:.2s; }
.addon-item:hover{ border-color:var(--signal-dim); }
.addon-item input{ width:16px; height:16px; accent-color:var(--amber); flex-shrink:0; }
.addon-item span{ font-size:13.5px; }
@media (max-width:640px){ .addon-grid{ grid-template-columns:1fr; } }

.field-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:13.5px; font-weight:500; margin-bottom:8px; }
@media (max-width:560px){ .field-grid{ grid-template-columns:1fr; } }

.summary-box{ margin-top:22px; padding:18px 20px; background:var(--ink); border:1px dashed var(--ink-line); border-radius:var(--radius-m); font-family:var(--font-mono); font-size:12.5px; color:var(--muted); line-height:1.8; white-space:pre-line; }

.form-nav{ display:flex; justify-content:flex-end; gap:12px; margin-top:34px; }
.form-success{ margin-top:20px; padding:16px 20px; background:rgba(95,212,196,.1); border:1px solid var(--signal-dim); border-radius:var(--radius-m); color:var(--ivory); font-size:14px; }
.form-success a{ color:var(--signal); }

/* ===================== ABOUT & GEAR ===================== */
.about-grid{ display:grid; grid-template-columns:1.1fr 1fr; gap:60px; align-items:start; }
.about-copy p{ font-size:15.5px; }
.about-points{ display:flex; flex-direction:column; gap:12px; margin-top:22px; }
.about-points li{ font-size:14px; color:var(--ivory); opacity:.8; padding-left:22px; position:relative; }
.about-points li::before{ content:""; position:absolute; left:0; top:8px; width:10px; height:1.5px; background:var(--amber); }

.gear-rack{ background:var(--ink-raised); border:1px solid var(--ink-line); border-radius:var(--radius-l); padding:8px; }
.gear-rack-header{ display:flex; align-items:center; justify-content:space-between; padding:16px 18px; border-bottom:1px solid var(--ink-line); }
.gear-rack-title{ font-family:var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.1em; color:var(--muted); }
.gear-rack-status{ display:flex; align-items:center; gap:7px; font-family:var(--font-mono); font-size:11px; color:var(--signal); }
.gear-rack-status i{ width:7px; height:7px; border-radius:50%; background:var(--signal); box-shadow:0 0 8px var(--signal); display:block; animation:pulse 2.4s ease-in-out infinite; }
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }

.gear-group{ padding:16px 18px; border-bottom:1px solid var(--ink-line); }
.gear-group:last-child{ border-bottom:none; }
.gear-group h4{ font-family:var(--font-mono); font-size:11px; text-transform:uppercase; letter-spacing:.08em; color:var(--amber); margin-bottom:.6em; }
.gear-group p{ font-size:13.5px; color:var(--ivory); opacity:.75; margin:0; }

@media (max-width:900px){ .about-grid{ grid-template-columns:1fr; gap:40px; } }

/* ===================== FOOTER ===================== */
.site-footer{ border-top:1px solid var(--ink-line); padding:40px 0; }
.footer-inner{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px; }
.footer-brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-size:15px; }
.footer-brand .brand-mark{ width:18px; height:18px; color:var(--amber); }
.footer-nav{ display:flex; gap:22px; flex-wrap:wrap; }
.footer-nav a{ color:var(--muted); text-decoration:none; font-size:13.5px; }
.footer-nav a:hover{ color:var(--ivory); }
.footer-contact{ width:100%; display:flex; flex-wrap:wrap; gap:6px 14px; justify-content:center; font-family:var(--font-mono); font-size:12px; color:var(--muted); margin:18px 0 0; padding-top:18px; border-top:1px solid var(--ink-line); }
.footer-contact span:not(:last-child)::after{ content:"\00b7"; margin-left:14px; color:var(--ink-line); }
.footer-copy{ font-family:var(--font-mono); font-size:11.5px; color:var(--muted); margin:0; width:100%; text-align:center; opacity:.6; }

@media (max-width:560px){ section{ padding:70px 0; } .hero{ padding:100px 0 70px; } }