/* =====================================================================
   Valco logo configurator — page styles.
   Tokens come from tokens.css. Monochrome; the logo is the only color.
   ===================================================================== */

/* Correct the Maven Pro path (tokens.css points at ./fonts relative to css/) */
@font-face {
  font-family: "Maven Pro";
  src: url("../assets/fonts/MavenPro-VariableFont_wght.ttf") format("truetype-variations"),
       url("../assets/fonts/MavenPro-VariableFont_wght.ttf") format("truetype");
  font-weight: 400 900;
  font-style: normal;
  font-display: swap;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { overflow-x: hidden; }

:root {
  --page-pad: clamp(16px, 4vw, 48px);
  --content-max: 1200px;
  --content-wide: 1440px;
}

img { max-width: 100%; }

/* ---------- Announcement bar ---------- */
.announce {
  background: var(--valco-ink); color: #fff;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 700;
  text-align: center; padding: 10px 16px;
}

/* ---------- Header / nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--border-subtle); }
.nav-inner {
  max-width: var(--content-wide); margin: 0 auto; padding: 14px var(--page-pad);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo img { height: 26px; display: block; }
.lang { display: inline-flex; gap: 2px; border: 1px solid var(--border-default); border-radius: var(--radius-md); overflow: hidden; }
.lang-btn {
  font-family: var(--font-sans); font-weight: 700; font-size: 12px; letter-spacing: 0.06em;
  padding: 7px 12px; border: none; background: #fff; color: var(--fg-3); cursor: pointer;
  transition: background var(--dur-1) var(--ease-standard), color var(--dur-1) var(--ease-standard);
}
.lang-btn:hover { color: var(--valco-ink); }
.lang-btn.is-active { background: var(--valco-ink); color: #fff; }

/* ---------- Hero ---------- */
.hero { max-width: var(--container-narrow); margin: 0 auto; padding: clamp(40px, 7vw, 88px) var(--page-pad) clamp(20px, 3vw, 32px); text-align: center; }
.hero-eyebrow { color: var(--fg-3); }
.hero-title { font-size: clamp(32px, 5vw, 64px); font-weight: 900; line-height: 1.04; letter-spacing: -0.02em; margin: 14px 0 18px; }
.hero-sub { font-size: clamp(16px, 1.6vw, 20px); color: var(--fg-2); max-width: 56ch; margin: 0 auto; line-height: 1.55; }

/* ---------- Configurator ---------- */
.config { max-width: var(--content-max); margin: 0 auto; padding: clamp(16px, 3vw, 40px) var(--page-pad) clamp(48px, 8vw, 96px); }
.config-grid {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(20px, 3vw, 48px); align-items: start;
}

/* Stage (viewer) */
.stage-wrap { position: sticky; top: 80px; }
.stage {
  position: relative; aspect-ratio: 4 / 3; width: 100%;
  background: var(--valco-paper); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  overflow: hidden;
}
.viewer-canvas { display: block; width: 100%; height: 100%; position: relative; z-index: 1; }

/* Loading indicator (3D) */
.stage-loading {
  position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; gap: 14px;
  align-items: center; justify-content: center; text-align: center; padding: 24px;
  color: var(--fg-3); font-size: 14px; pointer-events: none;
}
.stage-loading[hidden] { display: none; }
.progress { width: 180px; height: 3px; background: var(--neutral-200); border-radius: 2px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0%; background: var(--valco-ink); transition: width 120ms linear; }

/* Empty-state hint modal */
.stage-modal {
  position: absolute; inset: 0; z-index: 5; display: flex; align-items: center; justify-content: center;
  padding: 24px; background: rgba(23,23,23,0.18);
}
.stage-modal[hidden] { display: none; }
.stage-modal-card {
  background: #fff; border: 1px solid var(--border-subtle); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3); padding: 24px 24px 20px; max-width: 320px; text-align: center;
}
.stage-modal-card p { margin: 0 0 16px; font-size: 15px; color: var(--valco-ink); line-height: 1.5; }
.stage-modal-card .btn { width: 100%; }
.stage-hint { text-align: center; margin: 10px 0 0; color: var(--fg-3); }

/* 3D framing d-pad (bottom-left) */
.frame-nudge {
  position: absolute; left: 12px; bottom: 12px; z-index: 4;
  display: grid; grid-template-columns: repeat(3, 36px); grid-template-rows: repeat(3, 36px); gap: 4px;
}
.frame-nudge[hidden] { display: none; }
#nudgeUp { grid-area: 1 / 2; } #nudgeLeft { grid-area: 2 / 1; }
#nudgeRight { grid-area: 2 / 3; } #nudgeDown { grid-area: 3 / 2; }
.nudge-btn { width: 36px; height: 36px; padding: 0; display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--border-default); border-radius: var(--radius-md); cursor: pointer; box-shadow: var(--shadow-1); transition: background var(--dur-1) var(--ease-standard), color var(--dur-1) var(--ease-standard); color: var(--valco-ink); }
.nudge-btn:hover { background: var(--valco-ink); color: #fff; }
.nudge-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Panel */
.panel { display: flex; flex-direction: column; gap: clamp(16px, 2vw, 24px); }
.field { display: flex; flex-direction: column; gap: 10px; }
.field > .eyebrow { color: var(--fg-3); }

/* Segmented control */
.segmented { display: inline-flex; border: 1px solid var(--border-default); border-radius: var(--radius-md); overflow: hidden; width: 100%; }
.seg {
  flex: 1; font-family: var(--font-sans); font-weight: 600; font-size: 14px;
  padding: 11px 14px; border: none; background: #fff; color: var(--fg-2); cursor: pointer;
  transition: background var(--dur-1) var(--ease-standard), color var(--dur-1) var(--ease-standard);
}
.seg + .seg { border-left: 1px solid var(--border-default); }
.seg:hover { color: var(--valco-ink); }
.seg.is-active { background: var(--valco-ink); color: #fff; }
.note { color: var(--fg-3); margin: 4px 0 0; }
.note[hidden] { display: none; }

/* Dropzone */
.dropzone {
  display: flex; flex-direction: column; gap: 6px; align-items: center; justify-content: center;
  text-align: center; padding: 28px 18px; border: 1px dashed var(--border-default); border-radius: var(--radius-md);
  background: var(--valco-paper); cursor: pointer; transition: border-color var(--dur-1), background var(--dur-1);
}
.dropzone:hover, .dropzone.is-drag { border-color: var(--valco-ink); background: #fff; }
.dz-text { font-weight: 600; font-size: 14px; color: var(--valco-ink); }
.dz-hint { color: var(--fg-3); }
.dz-actions { display: flex; gap: 16px; }
.link-btn {
  background: none; border: none; padding: 0; cursor: pointer; color: var(--fg-2);
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px;
}
.link-btn:hover { color: var(--valco-ink); }
.link-btn[hidden] { display: none; }

/* Sliders */
.controls { gap: 14px; }
.slider { display: grid; grid-template-columns: 72px 1fr; align-items: center; gap: 12px; font-size: 13px; color: var(--fg-2); }
.slider input[type="range"] { width: 100%; accent-color: var(--valco-ink); }
.control-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.check { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--fg-2); cursor: pointer; }
.check input { accent-color: var(--valco-ink); }
.controls.is-disabled { opacity: 0.45; pointer-events: none; }

/* Buttons */
.btn {
  font-family: var(--font-sans); font-weight: 600; font-size: 15px; letter-spacing: -0.005em;
  padding: 14px 20px; border-radius: var(--radius-md); cursor: pointer; border: 1px solid var(--valco-ink);
  transition: transform var(--dur-1) var(--ease-standard), background var(--dur-1), color var(--dur-1), box-shadow var(--dur-1);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; line-height: 1; text-align: center;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-primary { background: var(--valco-ink); color: #fff; box-shadow: var(--shadow-1); }
.btn-primary:hover:not(:disabled) { background: #000; box-shadow: var(--shadow-2); }
.btn-secondary { background: transparent; color: var(--valco-ink); }
.btn-secondary:hover:not(:disabled) { background: var(--valco-ink); color: #fff; }
.actions { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }

/* Request form */
.request { max-width: 720px; margin: clamp(32px, 5vw, 56px) auto 0; padding-top: clamp(24px, 4vw, 40px); border-top: 1px solid var(--border-subtle); }
.request[hidden] { display: none; }
.request h2 { margin: 0 0 8px; }
.proof-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.input { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--fg-2); }
.input-wide { grid-column: 1 / -1; }
.input input, .input textarea, .input select {
  font-family: var(--font-sans); font-size: 15px; color: var(--valco-ink);
  padding: 11px 12px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: #fff;
}
.input select { appearance: none; cursor: pointer; }
.input input:focus, .input textarea:focus, .input select:focus { outline: none; border-color: var(--valco-ink); }
.form-actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.form-status { font-size: 14px; }
.form-status[data-tone="error"] { color: var(--accent-error); }
.form-status[data-tone="ok"] { color: var(--accent-success); }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 16px);
  background: var(--valco-ink); color: #fff; font-size: 14px; font-weight: 500;
  padding: 12px 18px; border-radius: var(--radius-md); box-shadow: var(--shadow-3);
  opacity: 0; pointer-events: none; transition: opacity var(--dur-2), transform var(--dur-2); z-index: 100; max-width: 90vw;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }
.toast[data-tone="warn"] { background: var(--president-orange); }

/* Footer */
.footer { background: var(--valco-ink); color: #fff; margin-top: clamp(40px, 6vw, 80px); padding: clamp(40px, 6vw, 72px) var(--page-pad); }
.footer-inner { max-width: var(--content-max); margin: 0 auto; text-align: center; }
.footer-mark { height: 30px; margin-bottom: 18px; }
.footer-tagline { color: #fff; opacity: 0.85; font-size: 15px; margin: 0 0 6px; }
.footer-rights { color: #fff; opacity: 0.5; }

/* =====================================================================
   Responsive: 21:9 ultrawide -> 16:9 -> 4:3 -> mobile
   ===================================================================== */

/* Ultrawide: keep content capped & centered, let the stage breathe a bit wider */
@media (min-width: 1800px) {
  .config { max-width: var(--content-wide); }
  .config-grid { grid-template-columns: 1.5fr 1fr; }
}

/* Tablet / portrait: collapse to single column, centre the panel */
@media (max-width: 900px) {
  .config-grid { grid-template-columns: 1fr; gap: 24px; }
  .stage-wrap { position: static; }
  .stage { aspect-ratio: 4 / 3; max-height: 64vh; }
  .panel { width: 100%; max-width: 560px; margin: 0 auto; }
  .request { max-width: 560px; }
}

/* Mobile: portrait preview, tighter rhythm, full-width controls */
@media (max-width: 600px) {
  .announce { font-size: 11px; letter-spacing: 0.08em; }
  .nav-inner { padding: 12px var(--page-pad); }
  .nav-logo img { height: 22px; }
  .lang-btn { padding: 7px 11px; }
  .hero { padding: 28px var(--page-pad) 4px; }
  .hero-title { font-size: clamp(28px, 8vw, 40px); }
  .config { padding-top: 16px; }
  .stage { aspect-ratio: 3 / 4; max-height: none; }     /* portrait preview suits the headphones */
  .seg { padding: 12px 6px; font-size: 13px; }           /* three view buttons fit */
  .slider { grid-template-columns: 60px 1fr; }
  .proof-form { grid-template-columns: 1fr; }
  .nudge-btn { width: 40px; height: 40px; }              /* larger touch targets */
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }
}