/* ─────────────────────────────────────────────────────────────
   747 Mastering Studio — site styles
   Palette from the 747 business card, dark ground.
   ───────────────────────────────────────────────────────────── */

:root {
  --ground:      #171A20;
  --ground-sunk: #1E222A;
  --ground-lift: #232830;
  --ink:         #EAF1EE;
  --ink-soft:    #C9D4D1;
  --muted:       #8D96A1;
  --rule:        #2E353F;
  --sage:        #4A6660;
  --bronze:      #C79A5C;
  --slot-line:   #3A434E;
  --bar:         #0E1116;

  --measure: 44rem;
  --wide:    68rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

html, body { background: var(--ground); }

body {
  margin: 0;
  color: var(--ink);
  background: var(--ground);
  font-family: "Questrial", "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video, iframe { max-width: 100%; }

a {
  color: var(--bronze);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color .2s ease;
}
a:hover { color: var(--ink); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--bronze);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--bronze); color: var(--bar);
  padding: .6rem 1rem; z-index: 100;
}
.skip:focus { left: .5rem; top: .5rem; }

/* ── Utility type ───────────────────────────────────────────── */

.mono {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.eyebrow {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.hairline { height: 1px; background: var(--rule); border: 0; margin: 0; }

/* ── Header ─────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bar);
  border-bottom: 1px solid var(--rule);
}

.site-header .bar {
  max-width: var(--wide);
  margin: 0 auto;
  padding: .55rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.social {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.social a {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  color: var(--muted);
  transition: color .2s ease;
}
.social a:hover { color: var(--bronze); }
.social svg { width: 1.35rem; height: 1.35rem; display: block; fill: currentColor; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-soft);
  padding: .3rem 0;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a[aria-current="page"] {
  color: var(--bronze);
  border-bottom-color: var(--bronze);
}

/* language switcher */
.lang {
  display: flex;
  align-items: center;
  gap: .55rem;
}
.lang a {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .66rem;
  letter-spacing: .12em;
  text-decoration: none;
  color: var(--muted);
  padding: .2rem .35rem;
  border: 1px solid transparent;
  border-radius: 2px;
}
.lang a:hover { color: var(--ink); border-color: var(--rule); }
.lang a.on {
  color: var(--bronze);
  border-color: var(--slot-line);
}

@media (max-width: 900px) {
  .site-header .bar { justify-content: center; }
}

@media (max-width: 560px) {
  .site-header .bar { justify-content: center; padding: .5rem 1rem .35rem; }
  .site-nav { gap: 1rem; justify-content: center; }
  .site-nav a { font-size: .66rem; letter-spacing: .12em; }
  .lang { gap: .35rem; }
}

/* ── Page shell ─────────────────────────────────────────────── */

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4.5rem;
  display: flex;
  flex-direction: column;
  gap: 3.25rem;
}

.wrap--wide { max-width: var(--wide); }

.masthead { display: flex; flex-direction: column; gap: 1.1rem; }

h1 {
  font-size: clamp(3rem, 10vw, 5.5rem);
  font-weight: 400;
  line-height: .95;
  letter-spacing: -.02em;
  margin: 0;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 400;
  letter-spacing: -.01em;
  line-height: 1.15;
  margin: 0;
  text-wrap: balance;
}

.standfirst {
  font-size: 1.19rem;
  color: var(--ink-soft);
  margin: 0;
  max-width: 34rem;
  text-wrap: pretty;
}

p { margin: 0; text-wrap: pretty; }
p + p { margin-top: .85rem; }

em { font-style: italic; color: var(--ink-soft); }

/* ── Hero (home) ────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: min(78vh, 640px);
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media video,
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(.75) contrast(1.02);
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(23,26,32,.94) 0%, rgba(23,26,32,.72) 46%, rgba(23,26,32,.42) 100%),
    linear-gradient(to bottom, rgba(23,26,32,.55), rgba(23,26,32,.85));
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--wide);
  width: 100%;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
}

.wordmark {
  font-size: clamp(3.4rem, 12vw, 8rem);
  font-weight: 400;
  line-height: .9;
  letter-spacing: -.03em;
  margin: 0;
  max-width: 12ch;
}

.hero-sub {
  margin-top: 1.4rem;
  max-width: 30rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }

/* ── Promise bar (four columns) ─────────────────────────────── */

.promise {
  background: var(--ground-sunk);
  border-bottom: 1px solid var(--rule);
}

.promise-grid {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.promise-grid > div {
  padding: 1.75rem 1.5rem 1.75rem 0;
  border-right: 1px solid var(--rule);
  font-size: 1.02rem;
  color: var(--ink-soft);
  text-wrap: pretty;
}
.promise-grid > div:first-child { padding-left: 0; }
.promise-grid > div + div { padding-left: 1.5rem; }
.promise-grid > div:last-child { border-right: 0; }

@media (max-width: 860px) {
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-grid > div:nth-child(2n) { border-right: 0; }
  .promise-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}
@media (max-width: 480px) {
  .promise-grid { grid-template-columns: 1fr; }
  .promise-grid > div { border-right: 0; padding-left: 0 !important; }
  .promise-grid > div:not(:last-child) { border-bottom: 1px solid var(--rule); }
}

/* ── Sections ───────────────────────────────────────────────── */

.section {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.section--tight { padding-top: 3rem; padding-bottom: 3rem; }

.section-head { display: flex; flex-direction: column; gap: .6rem; }

/* ── SoundCloud playlist ────────────────────────────────────── */

.playlist {
  border: 1px solid var(--rule);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ground-sunk);
  line-height: 0;
}
.playlist iframe { width: 100%; height: 470px; border: 0; display: block; }

@media (max-width: 560px) { .playlist iframe { height: 420px; } }

/* ── Services ───────────────────────────────────────────────── */

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.checks li {
  display: flex;
  gap: .65rem;
  align-items: flex-start;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.checks li::before {
  content: "✓";
  color: var(--bronze);
  flex: 0 0 auto;
  line-height: 1.6;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
}

.cards--four { grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cards--four .card { padding: 1.5rem 1.3rem; }
.cards--four .card h3 { font-size: 1.18rem; }
.cards--four .card p { font-size: .94rem; }

@media (max-width: 1060px) { .cards--four { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px)  { .cards { grid-template-columns: 1fr; } }
@media (max-width: 560px)  { .cards--four { grid-template-columns: 1fr; } }

.card {
  background: var(--ground-sunk);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 1.75rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.card h3 {
  font-size: 1.3rem;
  font-weight: 400;
  margin: 0;
  letter-spacing: -.01em;
}

.card p { font-size: .98rem; color: var(--ink-soft); }

.card .price {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 1.15rem;
  color: var(--bronze);
  margin-top: auto;
  padding-top: .6rem;
  letter-spacing: .02em;
  font-variant-numeric: tabular-nums;
}

.card .note {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.vat {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Buttons ────────────────────────────────────────────────── */

.btn {
  display: inline-block;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .76rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--bar);
  background: var(--ink);
  border: 1px solid var(--ink);
  padding: .85rem 1.6rem;
  border-radius: 2px;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn:hover { background: var(--bronze); border-color: var(--bronze); color: var(--bar); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--slot-line);
}
.btn--ghost:hover { background: transparent; border-color: var(--bronze); color: var(--bronze); }

.btn--block { display: block; width: 100%; text-align: center; }

/* ── Case studies (Work) ────────────────────────────────────── */

.cases { display: flex; flex-direction: column; gap: 3rem; }
.case { display: flex; flex-direction: column; gap: .9rem; }
.case + .case { border-top: 1px solid var(--rule); padding-top: 3rem; }

.case h2 { font-size: 1.85rem; }

.project {
  display: block;
  font-size: 1.02rem;
  color: var(--muted);
  margin-top: .3rem;
}

.credit {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .74rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--bronze);
  margin: .35rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .1rem .55rem;
}
.credit .sep { color: var(--slot-line); }

/* ── Players ────────────────────────────────────────────────── */

.media { display: flex; flex-direction: column; gap: .95rem; margin-top: .8rem; }

.player-label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .64rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 .4rem;
}

.sc-frame {
  border: 1px solid var(--rule);
  border-radius: 3px;
  overflow: hidden;
  background: var(--ground-sunk);
  line-height: 0;
}
.sc-frame iframe { width: 100%; height: 166px; border: 0; display: block; }

.yt {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  border-radius: 3px;
  overflow: hidden;
  background: #0B0D11;
  padding: 0;
  cursor: pointer;
  display: block;
}
.yt img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  opacity: .72;
  transition: opacity .25s ease, transform .5s ease;
}
.yt:hover img, .yt:focus-visible img { opacity: 1; transform: scale(1.015); }

.yt .play {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 4rem; height: 4rem;
  border-radius: 50%;
  background: rgba(14,17,22,.66);
  border: 1px solid rgba(234,241,238,.45);
  display: grid; place-items: center;
  transition: background .25s ease, border-color .25s ease;
}
.yt:hover .play { background: var(--bronze); border-color: var(--bronze); }
.yt .play svg { width: 1.1rem; height: 1.1rem; margin-left: .18rem; fill: var(--ink); }
.yt:hover .play svg { fill: var(--bar); }

.yt .cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: .7rem .9rem;
  background: linear-gradient(to top, rgba(11,13,17,.9), rgba(11,13,17,0));
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-align: left;
}

.yt iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ── Journal list ───────────────────────────────────────────── */

.episodes { display: flex; flex-direction: column; }

.episode {
  display: flex;
  gap: 1.4rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-top: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: background .2s ease;
}
.episode:last-child { border-bottom: 1px solid var(--rule); }
.episode:hover { background: rgba(199,154,92,.06); }

.episode .num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--bronze);
  flex: 0 0 auto;
  padding-left: .25rem;
}

.episode .body { display: flex; flex-direction: column; gap: .25rem; }
.episode h3 { font-size: 1.3rem; font-weight: 400; margin: 0; letter-spacing: -.01em; }
.episode p { font-size: .98rem; color: var(--muted); }
.episode:hover h3 { color: var(--bronze); }

/* ── Form ───────────────────────────────────────────────────── */

.form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  max-width: 34rem;
}

.field { display: flex; flex-direction: column; gap: .4rem; }

.field label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field textarea {
  background: var(--ground-sunk);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--ink);
  font-family: inherit;
  font-size: 1rem;
  padding: .8rem .9rem;
  width: 100%;
}
.field input:focus, .field textarea:focus { border-color: var(--bronze); }
.field textarea { min-height: 8rem; resize: vertical; }

.form-note { font-size: .92rem; color: var(--muted); }

.form-status {
  font-size: .98rem;
  line-height: 1.55;
  margin: 0;
  padding-left: .9rem;
  border-left: 2px solid var(--rule);
  color: var(--ink-soft);
}
.form-status:empty { display: none; }
.form-status.is-ok  { border-left-color: var(--bronze); color: var(--ink); }
.form-status.is-bad { border-left-color: var(--sage);   color: var(--ink); }
.form--inline .form-status { grid-column: 1 / -1; }

/* consent checkbox */
.check {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  color: var(--ink-soft);
  font-size: .95rem;
  line-height: 1.5;
  cursor: pointer;
}
.check input {
  accent-color: var(--bronze);
  margin-top: .2rem;
  width: 1rem; height: 1rem;
  flex: 0 0 auto;
}

/* ── Free-sample block ──────────────────────────────────────── */

.sample {
  background: var(--ground-sunk);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--bronze);
  border-radius: 2px;
  padding: 2.4rem 2.2rem;
}
.sample .standfirst { max-width: var(--measure); }

.form--inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem 1.4rem;
  max-width: var(--wide);
  align-items: end;
}
.form--inline .field--wide { grid-column: 1 / -1; }
.form--inline .btn { justify-self: start; grid-column: 1 / -1; }
.form--inline input { background: var(--ground); }

@media (max-width: 640px) {
  .form--inline { grid-template-columns: 1fr; }
  .sample { padding: 1.8rem 1.3rem; }
}

/* ── Review quotes ──────────────────────────────────────────── */

.quotes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.6rem;
}
.quote {
  background: var(--ground-lift);
  border: 1px solid var(--rule);
  border-radius: 2px;
  margin: 0;
  padding: 1.8rem 1.7rem;
}
.quote blockquote { margin: 0; }
.quote blockquote p {
  color: var(--ink);
  font-size: 1.08rem;
  line-height: 1.65;
  margin: 0;
}
.quote blockquote p::before { content: "\201C"; }
.quote blockquote p::after  { content: "\201D"; }
.quote figcaption {
  color: var(--bronze);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-top: 1.1rem;
}
@media (max-width: 780px) { .quotes { grid-template-columns: 1fr; } }

/* ── Contact split ──────────────────────────────────────────── */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2.25rem; } }

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  font-size: 1.02rem;
  color: var(--ink-soft);
}
.contact-list .k {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: .2rem;
}

/* ── Close / CTA block ──────────────────────────────────────── */

.close { display: flex; flex-direction: column; gap: .9rem; align-items: flex-start; }
.close p { font-size: 1.15rem; }

/* ── Footer ─────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--bar);
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2.75rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-inner .col { display: flex; flex-direction: column; gap: .45rem; }

.footer-inner .name {
  font-size: 1.05rem;
  letter-spacing: .01em;
}

.footer-inner p,
.footer-inner a {
  font-size: .92rem;
  color: var(--muted);
}
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--bronze); }

.colophon {
  border-top: 1px solid var(--rule);
  padding: 1.1rem 1.5rem;
  text-align: center;
}
.colophon p {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .66rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}