/* ─────────────────────────────────────────────────────────────
   Page 04 — Voice & Tone
   ───────────────────────────────────────────────────────────── */

/* DNA grid — six adjectives, each with a one-line gloss */
.voice-dna {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 900px) { .voice-dna { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .voice-dna { grid-template-columns: 1fr; } }
.voice-dna .v {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 24px 22px 26px;
  background: rgba(255,255,255,0.02);
  position: relative;
  overflow: hidden;
  min-height: 180px;
}
.voice-dna .v::after {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 100% 0%, rgba(47,55,255,0.08), transparent 50%);
  pointer-events: none;
}
.voice-dna .v > * { position: relative; }
.voice-dna .v .n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.voice-dna .v .n b {
  color: var(--blue-300);
  font-weight: 500;
  margin-right: 6px;
}
.voice-dna .v .w {
  font-size: 26px;
  letter-spacing: -0.02em;
  font-weight: 600;
  line-height: 1.1;
  color: var(--fg-default);
  margin: 0 0 12px;
}
.voice-dna .v .gloss {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-secondary);
  margin: 0 0 12px;
}
.voice-dna .v .arch {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  text-transform: uppercase;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

/* Voice formula — three arc'd stages */
.formula {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  align-items: stretch;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255,255,255,0.02);
  position: relative;
}
@media (max-width: 900px) {
  .formula { grid-template-columns: 1fr; }
  .formula .stg, .formula .arr { border-right: 0 !important; border-bottom: 1px solid var(--border-subtle); }
}
.formula .stg {
  padding: 28px 26px 30px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.formula .stg .pn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-300);
}
.formula .stg .ph {
  font-size: 22px;
  letter-spacing: -0.018em;
  font-weight: 600;
  margin: 6px 0 0;
}
.formula .stg .pd {
  font-size: 13.5px;
  color: var(--fg-secondary);
  line-height: 1.55;
  margin: 6px 0 0;
}
.formula .arr {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-right: 1px solid var(--border-subtle);
  color: var(--fg-muted);
}
.formula .arr:last-child { border-right: 0; }
.formula .arr .material-icons { font-size: 18px; }

/* Tone matrix — register A/B for same message */
.tone-matrix {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
@media (max-width: 900px) {
  .tone-matrix { grid-template-columns: 1fr; }
  .tone-matrix > * { border-left: 0 !important; }
}
.tone-matrix .th {
  padding: 14px 22px;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border-default);
  border-left: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.tone-matrix .th:first-child { border-left: 0; }
.tone-matrix .moment {
  padding: 26px 22px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}
.tone-matrix .moment .mn {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  text-transform: uppercase;
}
.tone-matrix .moment .ml {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--fg-default);
}
.tone-matrix .cell {
  padding: 26px 22px;
  border-bottom: 1px solid var(--border-subtle);
  border-left: 1px solid var(--border-subtle);
  position: relative;
  font-size: 15px;
  line-height: 1.55;
}
.tone-matrix .cell.daylight {
  background: #FFFFFF;
  color: #000;
}
.tone-matrix .cell.daylight .label {
  color: #767781;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tone-matrix .cell.nightfall {
  background:
    radial-gradient(ellipse 100% 100% at 100% 0%, rgba(47,55,255,0.16), transparent 60%),
    #050818;
  color: #FFFFFF;
}
.tone-matrix .cell.nightfall .label {
  color: rgba(255,255,255,0.55);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tone-matrix .row-end .moment,
.tone-matrix .row-end .cell { border-bottom: 0; }

/* Do/Don't pair rows */
.doxdont {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 820px) { .doxdont { grid-template-columns: 1fr; } }
.doxdont .col {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.doxdont .col .head {
  padding: 16px 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  gap: 10px;
}
.doxdont .col.do .head { background: rgba(41, 190, 71, 0.07); color: var(--green-300); }
.doxdont .col.dont .head { background: rgba(233, 97, 38, 0.07); color: var(--orange-300); }
.doxdont .col .head .ico {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
}
.doxdont .col.do .head .ico { background: var(--green-300); color: #062c12; }
.doxdont .col.dont .head .ico { background: var(--orange-300); color: #2c1408; }
.doxdont .col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.doxdont .col li {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg-default);
}
.doxdont .col li:last-child { border-bottom: 0; }
.doxdont .col.dont li {
  color: var(--fg-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(242,163,110,0.4);
  text-decoration-thickness: 1px;
}

/* Word list — use / avoid */
.wordlist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 820px) { .wordlist { grid-template-columns: 1fr; } }
.wordlist .panel {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 22px 22px 26px;
  background: rgba(255,255,255,0.02);
}
.wordlist .panel .ph {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.wordlist .panel.use .ph { color: var(--blue-300); }
.wordlist .panel.avoid .ph { color: var(--orange-300); }
.wordlist .panel .words {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.wordlist .panel .word {
  padding: 7px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-default);
  font-size: 13px;
  color: var(--fg-default);
  background: rgba(255,255,255,0.02);
}
.wordlist .panel.avoid .word {
  color: var(--fg-muted);
  text-decoration: line-through;
  text-decoration-color: rgba(242,163,110,0.4);
}

/* Sample copy — situational pairs */
.samples {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.sample {
  display: grid;
  grid-template-columns: 200px 1fr;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}
@media (max-width: 820px) { .sample { grid-template-columns: 1fr; } }
.sample .when {
  padding: 22px;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: center;
}
.sample .when .n {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.sample .when .l {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.sample .text {
  padding: 22px 26px;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--fg-default);
  position: relative;
}
.sample .text::before {
  content: "“";
  position: absolute;
  left: 8px;
  top: 4px;
  color: var(--blue-300);
  font-size: 32px;
  font-weight: 600;
  opacity: 0.4;
  line-height: 1;
}
.sample .text .src {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 10px;
  display: block;
}

/* Sentence anatomy — annotate Emma's archetypal sentence */
.sentence-anat {
  padding: 56px 56px 64px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-2xl);
  background:
    radial-gradient(ellipse 60% 100% at 100% 0%, rgba(47,55,255,0.10), transparent 60%),
    rgba(255,255,255,0.02);
  position: relative;
}
@media (max-width: 900px) { .sentence-anat { padding: 32px 24px 40px; } }
.sentence-anat .sample {
  display: block;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.35;
  letter-spacing: -0.018em;
  color: var(--fg-default);
  font-weight: 500;
  margin: 0;
  text-wrap: balance;
  position: relative;
  background: none;
  border: 0;
  padding: 0;
  grid-template-columns: none;
}
.sentence-anat .sample span {
  position: relative;
  display: inline;
  cursor: default;
}
.sentence-anat .sample span::after {
  content: attr(data-label);
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 14px);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--blue-300);
  padding: 4px 8px;
  border: 1px solid rgba(133,160,255,0.32);
  border-radius: var(--radius-sm);
  background: #050818;
}
.sentence-anat .sample span::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 1px;
  height: 14px;
  background: rgba(133,160,255,0.32);
}
.sentence-anat .sample .a { color: var(--blue-300); }
.sentence-anat .sample .b { color: var(--teal-300); }
.sentence-anat .sample .c { color: var(--purple-300); }
.sentence-anat .sample .b::after { color: var(--teal-300); border-color: rgba(105,253,248,0.32); }
.sentence-anat .sample .b::before { background: rgba(105,253,248,0.32); }
.sentence-anat .sample .c::after { color: var(--purple-300); border-color: rgba(195,179,255,0.32); }
.sentence-anat .sample .c::before { background: rgba(195,179,255,0.32); }
.sentence-anat .legend {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.55;
}
@media (max-width: 720px) { .sentence-anat .legend { grid-template-columns: 1fr; } }
.sentence-anat .legend > div { padding-top: 14px; border-top: 1px solid rgba(133,160,255,0.32); }
.sentence-anat .legend > div:nth-child(2) { border-top-color: rgba(105,253,248,0.32); }
.sentence-anat .legend > div:nth-child(3) { border-top-color: rgba(195,179,255,0.32); }
.sentence-anat .legend .h {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--blue-300);
}
.sentence-anat .legend > div:nth-child(2) .h { color: var(--teal-300); }
.sentence-anat .legend > div:nth-child(3) .h { color: var(--purple-300); }