/* =========================================================
   Nashville Sound Panels — design tokens & system
   ========================================================= */
:root {
  --bg: #0a0a0a;
  --bg-elev: #111111;
  --ink: #f6f1e7;          /* warm off-white */
  --ink-dim: #a8a195;
  --ink-faint: #5b554c;
  --rule: rgba(246, 241, 231, 0.10);
  --rule-strong: rgba(246, 241, 231, 0.22);
  --accent: #e8dfcd;       /* stone */
  --accent-deep: #c8b994;

  --font-display: "Instrument Serif", "Newsreader", Georgia, serif;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;

  --gutter: clamp(20px, 4vw, 56px);
  --maxw: 1480px;
}

/* Accent variants (toggled by data attr on <html>) */
html[data-accent="stone"] { --accent: #e8dfcd; --accent-deep: #c8b994; }
html[data-accent="brick"] { --accent: #d65a3b; --accent-deep: #a8412a; }
html[data-accent="sage"]  { --accent: #9fb389; --accent-deep: #6f8458; }
html[data-accent="mono"]  { --accent: #f6f1e7; --accent-deep: #ffffff; }

/* Display font variants */
html[data-display="serif"]    { --font-display: "Instrument Serif", "Newsreader", Georgia, serif; }
html[data-display="grotesk"]  { --font-display: "Space Grotesk", "DM Sans", sans-serif; }
html[data-display="newsreader"] { --font-display: "Newsreader", "Instrument Serif", Georgia, serif; }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: var(--accent); color: var(--bg); }

/* =========================================================
   Reusable type
   ========================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  font-weight: 400;
}

.display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.serif-italic {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}

.section-label {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.section-label .num {
  color: var(--accent);
}
.section-label .rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

/* =========================================================
   Splash / Logo
   ========================================================= */
.splash {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: var(--gutter);
  position: relative;
}

.splash-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.splash-meta .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: middle;
}

.splash-center {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 28px;
  text-align: center;
}

.splash-logo {
  width: clamp(140px, 18vw, 220px);
  height: auto;
}

.splash-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(22px, 2.4vw, 30px);
  color: var(--ink);
  max-width: 30ch;
  line-height: 1.25;
}
.splash-tagline em {
  font-style: normal;
  color: var(--accent);
}

.splash-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-dim);
}
.scroll-cue .arrow {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: currentColor;
  position: relative;
}
.scroll-cue .arrow::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(-45deg);
}

/* subtle waveform across splash bottom */
.wave-rule {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: calc(var(--gutter) + 44px);
  height: 1px;
  background: var(--rule);
  pointer-events: none;
}

/* =========================================================
   Letter / About
   ========================================================= */
.letter {
  padding: clamp(80px, 12vh, 160px) var(--gutter) clamp(80px, 12vh, 160px);
  max-width: var(--maxw);
  margin: 0 auto;
}

.letter-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gutter);
  align-items: end;
  margin-bottom: clamp(48px, 8vh, 96px);
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rule);
}
.letter-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 8.5vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.025em;
}
.letter-head h1 em {
  color: var(--accent);
  font-style: italic;
}

.letter-body {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}

.letter-prose {
  font-family: var(--font-body);
  font-size: clamp(17px, 1.35vw, 22px);
  line-height: 1.55;
  color: var(--ink);
}
.letter-prose p {
  margin: 0 0 1.1em 0;
  text-wrap: pretty;
}
.letter-prose p:first-child::first-letter {
  font-family: var(--font-display);
  font-size: 3.4em;
  line-height: 0.85;
  float: left;
  padding: 0.05em 0.12em 0 0;
  color: var(--accent);
}
.letter-prose .sign {
  margin-top: 2em;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 1.6vw, 26px);
  color: var(--ink);
}
.letter-prose .sign small {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 6px;
}

.letter-aside {
  position: sticky;
  top: 48px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.letter-aside dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 20px;
  margin: 0;
}
.letter-aside dt { color: var(--ink-faint); }
.letter-aside dd { margin: 0; color: var(--ink-dim); }
.letter-aside hr {
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: 24px 0;
}
.letter-aside .pull {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(22px, 2.1vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--accent);
  text-transform: none;
  margin: 0;
}

/* =========================================================
   Stats / By the Numbers
   ========================================================= */
.stats {
  padding: clamp(48px, 7vh, 96px) var(--gutter);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  max-width: var(--maxw);
  margin: 0 auto;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat {
  padding: 8px 24px 8px 0;
  position: relative;
}
.stat + .stat {
  border-left: 1px solid var(--rule);
  padding-left: 28px;
}
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.stat .num em {
  font-style: italic;
  color: var(--accent);
}
.stat .num .suffix {
  font-size: 0.42em;
  color: var(--ink-dim);
  letter-spacing: 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
}
.stat .label {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* =========================================================
   Galleries
   ========================================================= */
.gallery {
  padding: clamp(80px, 12vh, 140px) 0 clamp(60px, 8vh, 120px);
  position: relative;
}
.gallery + .gallery {
  border-top: 1px solid var(--rule);
}

.gallery-head {
  padding: 0 var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto clamp(36px, 5vh, 64px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
  align-items: end;
}
.gallery-head .title {
  font-family: var(--font-display);
  font-size: clamp(44px, 6.5vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 12px 0 0;
}
.gallery-head .title em {
  color: var(--accent);
  font-style: italic;
}
.gallery-head .blurb {
  color: var(--ink-dim);
  max-width: 42ch;
  font-size: clamp(14px, 1.05vw, 17px);
  line-height: 1.55;
  margin: 0;
  justify-self: end;
  text-wrap: pretty;
}
.gallery-head .blurb .count {
  display: flex;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  gap: 8px;
}

/* --- Cinematic layout: horizontal snap scroll --- */
.gallery-strip {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px var(--gutter) 32px;
  scrollbar-width: none;
}
.gallery-strip::-webkit-scrollbar { display: none; }

.gallery-strip figure {
  flex: 0 0 auto;
  margin: 0;
  scroll-snap-align: start;
  width: clamp(280px, 62vw, 880px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.gallery-strip figure:first-child { margin-left: 0; }
.gallery-strip figure:last-child { padding-right: var(--gutter); }

.gallery-strip .frame {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-elev);
}
.gallery-strip .frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s cubic-bezier(.2,.7,.2,1), filter .6s ease;
  filter: saturate(1.02) contrast(1.02);
}
.gallery-strip figure:hover .frame img {
  transform: scale(1.025);
}

.gallery-strip figcaption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.gallery-strip figcaption .place {
  color: var(--ink);
  letter-spacing: 0.04em;
  text-transform: none;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(16px, 1.3vw, 20px);
}
.gallery-strip figcaption .idx {
  color: var(--ink-faint);
}

/* progress + nav */
.gallery-controls {
  padding: 0 var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}
.gallery-progress {
  flex: 1;
  height: 1px;
  background: var(--rule);
  position: relative;
  overflow: hidden;
}
.gallery-progress .bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 20%;
  background: var(--accent);
  transition: width .2s ease, left .2s ease;
}
.gallery-nav {
  display: flex;
  gap: 8px;
}
.gallery-nav button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.gallery-nav button:hover {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.gallery-nav svg { width: 14px; height: 14px; }

/* --- Editorial grid layout (toggle) --- */
html[data-layout="grid"] .gallery-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-flow: dense;
  gap: 16px;
  overflow: visible;
  scroll-snap-type: none;
  padding-bottom: 4px;
}
html[data-layout="grid"] .gallery-strip figure {
  width: auto;
  grid-column: span 2;
}
html[data-layout="grid"] .gallery-strip figure:nth-child(6n+1) { grid-column: span 3; }
html[data-layout="grid"] .gallery-strip figure:nth-child(6n+4) { grid-column: span 3; }
html[data-layout="grid"] .gallery-strip .frame { aspect-ratio: 4 / 3; }
html[data-layout="grid"] .gallery-controls { display: none; }

/* --- Stacked layout (toggle) --- */
html[data-layout="stacked"] .gallery-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  overflow: visible;
  scroll-snap-type: none;
  padding: 0 var(--gutter) 4px;
}
html[data-layout="stacked"] .gallery-strip figure {
  width: 100%;
}
html[data-layout="stacked"] .gallery-strip .frame {
  aspect-ratio: 21 / 9;
}
html[data-layout="stacked"] .gallery-controls { display: none; }

/* =========================================================
   Press / Quotes
   ========================================================= */
.press {
  padding: clamp(80px, 12vh, 140px) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  border-top: 1px solid var(--rule);
}
.press-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--gutter);
  align-items: baseline;
  margin-bottom: clamp(40px, 6vh, 80px);
}
.press-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 80px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 8px 0 0;
}
.press-head h2 em { color: var(--accent); font-style: italic; }

.press-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.quote {
  padding: 32px 32px 32px 0;
  border-left: 1px solid var(--rule);
  padding-left: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 32px;
  min-height: 240px;
}
.quote:first-child { border-left: 0; padding-left: 0; }
.quote .q {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(22px, 1.9vw, 30px);
  line-height: 1.25;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin: 0;
  text-wrap: pretty;
}
.quote .q::before {
  content: "“";
  color: var(--accent);
  margin-right: 4px;
}
.quote .q::after {
  content: "”";
  color: var(--accent);
  margin-left: 2px;
}
.quote .who {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.quote .who .role { color: var(--ink-faint); }

/* =========================================================
   Thanks list
   ========================================================= */
.thanks {
  padding: clamp(80px, 12vh, 140px) var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
  border-top: 1px solid var(--rule);
  text-align: center;
}
.thanks h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 80px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0;
}
.thanks h2 em { color: var(--accent); font-style: italic; }
.thanks .eyebrow { margin-bottom: 12px; }
.thanks .thanks-coda { margin-left: auto; margin-right: auto; }

.thanks-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 var(--gutter);
}
.thanks-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-display);
  font-size: clamp(20px, 1.8vw, 28px);
  letter-spacing: -0.01em;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}
.thanks-list li span:first-child {
  white-space: nowrap;
}
.thanks-list li .role {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.thanks-coda {
  margin-top: clamp(28px, 4vh, 48px);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.3;
  color: var(--ink-dim);
  text-wrap: pretty;
  max-width: 50ch;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  padding: clamp(60px, 10vh, 120px) var(--gutter) clamp(28px, 4vh, 48px);
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--gutter);
  align-items: end;
  max-width: var(--maxw);
  margin: 0 auto;
}
.footer-mark {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-mark img { width: 48px; height: 48px; opacity: 0.9; }
.footer-mark .name {
  font-family: var(--font-display);
  font-size: clamp(20px, 1.8vw, 26px);
  letter-spacing: -0.01em;
  line-height: 1;
}
.footer-mark .name em { color: var(--accent); font-style: italic; }
.footer-mark .name small {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  justify-self: center;
  text-align: center;
}
.footer-contact a {
  color: var(--ink);
  letter-spacing: 0.04em;
  text-transform: none;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(18px, 1.4vw, 22px);
  transition: color .2s ease;
}
.footer-contact a:hover { color: var(--accent); }

.footer-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  justify-self: end;
  text-align: right;
  line-height: 1.8;
}

/* =========================================================
   Reveal on scroll — default visible, JS opts out off-screen
   elements on first load (added .pre-reveal). This way pages
   never get stuck in opacity:0 even if observer/timing fails.
   ========================================================= */
[data-reveal].pre-reveal {
  opacity: 0;
  transform: translateY(18px);
}
[data-reveal] {
  transition: opacity .9s cubic-bezier(.2,.7,.2,1), transform .9s cubic-bezier(.2,.7,.2,1);
  transition-delay: var(--reveal-delay, 0ms);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  .letter-head { grid-template-columns: 1fr; }
  .letter-body { grid-template-columns: 1fr; }
  .letter-aside { position: static; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat + .stat { border-left: 0; padding-left: 0; }
  .stat:nth-child(2) { border-left: 1px solid var(--rule); padding-left: 24px; }
  .stat:nth-child(3), .stat:nth-child(4) { border-top: 1px solid var(--rule); padding-top: 28px; margin-top: 8px; }
  .stat:nth-child(4) { border-left: 1px solid var(--rule); padding-left: 24px; }
  .gallery-head { grid-template-columns: 1fr; }
  .gallery-head .blurb { justify-self: start; }
  .press-grid { grid-template-columns: 1fr; }
  .quote { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 32px; min-height: 0; }
  .quote:first-child { border-top: 0; padding-top: 0; }
  .press-head { grid-template-columns: 1fr; }
  .thanks { grid-template-columns: 1fr; }
  .thanks-list { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; text-align: left; }
  .footer-contact { justify-self: start; text-align: left; }
  .footer-meta { justify-self: start; text-align: left; }
  .gallery-strip figure { width: 82vw; }
}
