/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cream:    #F7F2E9;
  --cream-dk: #EDE8DF;
  --border:   #DDD8CE;
  --ink:      #1A1A18;
  --ink-2:    #4A4845;
  --ink-3:    #8A8680;
  --navy:     #0F1E35;
  --navy-lt:  #1C2F4A;
  --serif:    'Cormorant Garamond', Georgia, serif;
  --sans:     'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--cream); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  min-height: 100vh; display: flex; flex-direction: column;
}

/* Nav */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 2.5rem; background: var(--cream);
  border-bottom: 1px solid var(--border);
}
.nav-brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; color: var(--ink); }
.logo-mark { display: block; flex-shrink: 0; }
.wordmark { font-family: var(--serif); font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: var(--ink-2); text-decoration: none; transition: color .15s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { padding: .45rem 1.1rem; background: var(--navy); color: var(--cream) !important; border-radius: 5px; font-size: .85rem !important; }
.nav-cta:hover { background: var(--navy-lt) !important; }

/* Hero */
.hero { flex: 1; display: flex; align-items: flex-start; justify-content: center; padding: 6rem 2rem 4rem; }
.hero-inner { max-width: 780px; width: 100%; }
.hero-heading {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300; line-height: 1.08; letter-spacing: -0.025em;
  color: var(--ink); margin-bottom: 1.6rem;
}
.hero-sub { display: block; font-style: italic; font-weight: 300; color: var(--ink-2); }
.hero-desc { font-size: 1.05rem; color: var(--ink-2); max-width: 520px; line-height: 1.7; margin-bottom: 2.8rem; }

/* Engine selector */
.engine-selector {
  display: flex; align-items: center; gap: 1rem; margin-bottom: 1.8rem;
}
.engine-selector-label {
  font-size: .72rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-3); white-space: nowrap;
}
.engine-pills {
  display: flex; gap: .35rem;
  background: rgba(255,255,255,.45); border: 1px solid var(--border);
  border-radius: 8px; padding: 3px;
}
.engine-pill {
  display: flex; align-items: center; gap: .45rem;
  padding: .42rem .95rem; border-radius: 5px; font-size: .82rem;
  font-weight: 500; background: transparent; color: var(--ink-3);
  border: none; cursor: pointer; transition: background .18s, color .18s;
  letter-spacing: .01em;
}
.engine-pill:hover:not(:disabled) { background: rgba(255,255,255,.7); color: var(--ink-2); }
.engine-pill.active {
  background: var(--navy); color: var(--cream);
}
.engine-pill.active:hover { background: var(--navy-lt); }
.engine-notice {
  font-size: .82rem; color: var(--ink-3); margin-bottom: 1.4rem;
  padding: .6rem 1rem; background: rgba(255,255,255,.4);
  border: 1px solid var(--border); border-radius: 6px;
  border-left: 3px solid var(--border);
}

/* Upload */
.upload-zone {
  border: 1.5px dashed var(--border); border-radius: 10px; padding: 2.8rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: .7rem;
  cursor: pointer; transition: border-color .2s, background .2s;
  background: rgba(255,255,255,.35); text-align: center; color: var(--ink-3);
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--navy); background: rgba(255,255,255,.55); color: var(--ink-2);
}
.upload-zone input[type=file] { display: none; }
.upload-text { display: flex; flex-direction: column; gap: .2rem; }
.upload-primary { font-size: .95rem; font-weight: 500; color: var(--ink-2); }
.upload-secondary { font-size: .85rem; }
.file-browse { cursor: pointer; color: var(--navy); text-decoration: underline; text-underline-offset: 2px; }
.upload-formats { font-size: .75rem; letter-spacing: .04em; color: var(--ink-3); margin-top: .3rem; }
.upload-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 1.2rem; gap: 1rem; }
.selected-file { font-size: .875rem; color: var(--ink-2); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

button {
  font-family: var(--sans); font-size: .9rem; font-weight: 500; border: none; border-radius: 6px;
  padding: .7rem 2rem; cursor: pointer; transition: opacity .2s, background .2s;
  background: var(--navy); color: var(--cream); letter-spacing: .01em;
}
button:hover:not(:disabled) { background: var(--navy-lt); }
button:disabled { opacity: .38; cursor: not-allowed; }

/* Divider */
.input-divider {
  display: flex; align-items: center; gap: 1rem;
  margin: 1.4rem 0; color: var(--ink-3); font-size: .82rem; letter-spacing: .04em;
}
.input-divider::before, .input-divider::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}

/* Record */
.record-section {
  border: 1.5px dashed var(--border); border-radius: 10px;
  padding: 2rem; display: flex; flex-direction: column; align-items: center; gap: .75rem;
  background: rgba(255,255,255,.35); transition: border-color .2s;
}
.record-section:hover { border-color: #c5c0b8; }
.mic-btn {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--navy); color: var(--cream);
  display: flex; align-items: center; justify-content: center;
  padding: 0; position: relative; flex-shrink: 0;
  transition: background .2s, transform .1s;
}
.mic-btn:hover:not(:disabled) { background: var(--navy-lt); transform: scale(1.05); }
.mic-btn:disabled { opacity: .38; cursor: not-allowed; transform: none; }
.mic-btn.recording { background: #b03020; }
.mic-btn.recording::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 2px solid #b03020; animation: mic-pulse 1.4s ease-out infinite;
}
@keyframes mic-pulse {
  0%  { transform: scale(1); opacity: .75; }
  100%{ transform: scale(1.65); opacity: 0; }
}
.record-meta { display: flex; align-items: center; gap: .6rem; }
.record-label { font-size: .875rem; color: var(--ink-2); font-weight: 500; }
.record-timer {
  font-variant-numeric: tabular-nums; font-size: .85rem;
  font-weight: 600; color: #b03020; letter-spacing: .02em;
}

/* Status */
.status-bar { background: var(--cream-dk); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.1rem 2.5rem; }
.status-inner { display: flex; align-items: center; gap: 1rem; max-width: 780px; margin: 0 auto; }
.wave-loader { display: flex; align-items: center; gap: 3px; height: 24px; }
.wave-loader span { display: block; width: 3px; border-radius: 2px; background: var(--navy); animation: wave 1s ease-in-out infinite; }
.wave-loader span:nth-child(1){height:8px;  animation-delay:0s}
.wave-loader span:nth-child(2){height:16px; animation-delay:.1s}
.wave-loader span:nth-child(3){height:22px; animation-delay:.2s}
.wave-loader span:nth-child(4){height:16px; animation-delay:.3s}
.wave-loader span:nth-child(5){height:8px;  animation-delay:.4s}
@keyframes wave{0%,100%{transform:scaleY(.5);opacity:.5}50%{transform:scaleY(1);opacity:1}}

/* Results */
.results { padding: 3rem 2rem; }
.results-inner { max-width: 900px; margin: 0 auto; }
.section-label {
  font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 1rem; padding-bottom: .5rem; border-bottom: 1px solid var(--border);
}
.meta-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.meta-pill {
  background: rgba(255,255,255,.6); border: 1px solid var(--border); border-radius: 6px;
  padding: .6rem 1.1rem; display: flex; flex-direction: column; gap: .15rem;
}
.meta-label { font-size: .7rem; color: var(--ink-3); letter-spacing: .06em; text-transform: uppercase; }
.meta-value { font-family: var(--serif); font-size: 1.2rem; font-weight: 500; }

/* Table */
.table-scroll { overflow-x: auto; margin-bottom: 3rem; }
.transcript-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.transcript-table thead tr { border-bottom: 1.5px solid var(--border); }
.transcript-table th { padding: .65rem 1rem; text-align: left; font-size: .7rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-3); }
.transcript-table td { padding: .85rem 1rem; border-bottom: 1px solid var(--border); vertical-align: top; line-height: 1.55; }
.transcript-table tbody tr:hover { background: rgba(255,255,255,.45); }
.td-time { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--ink-3); font-size: .82rem; }
.td-original { font-family: var(--serif); font-size: 1.05rem; direction: auto; }
.td-translation { color: var(--ink-2); }

/* Insights */
.insights-block { margin-bottom: 2.5rem; }
.insights-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.insight-card {
  background: rgba(255,255,255,.5); border: 1px solid var(--border); border-radius: 10px;
  padding: 1.3rem 1.5rem; opacity: 0; transform: translateY(10px);
  transition: opacity .4s ease, transform .4s ease;
}
.insight-card.visible { opacity: 1; transform: translateY(0); }
.insight-card--wide { grid-column: 1 / -1; }
.insight-card-label { font-size: .68rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--ink-3); margin-bottom: .65rem; }
.insight-card-body { font-size: .95rem; color: var(--ink-2); line-height: 1.6; }
.topics-list { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.topics-list li { font-size: .88rem; color: var(--ink-2); padding-left: 1rem; position: relative; }
.topics-list li::before { content: "-"; position: absolute; left: 0; color: var(--ink-3); }

/* Ask */
.ask-block { margin-top: 1rem; }
.ask-row { display: flex; gap: .7rem; margin-bottom: 1rem; }
.ask-input {
  flex: 1; font-family: var(--sans); font-size: .9rem;
  padding: .7rem 1rem; border: 1.5px solid var(--border); border-radius: 6px;
  background: rgba(255,255,255,.6); color: var(--ink); outline: none; transition: border-color .2s;
}
.ask-input:focus { border-color: var(--navy); }
.ask-btn { padding: .7rem 1.4rem; flex-shrink: 0; }
.ask-answer {
  background: rgba(255,255,255,.55); border: 1px solid var(--border); border-radius: 8px;
  padding: 1.1rem 1.3rem; font-size: .93rem; color: var(--ink-2); line-height: 1.65;
  animation: fadeIn .3s ease;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* Error */
.error-bar {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: #1a0f0f; color: #f5c5c5; padding: .85rem 1.5rem; border-radius: 8px;
  display: flex; align-items: center; gap: 1.5rem;
  font-size: .87rem; max-width: 540px; width: calc(100% - 3rem);
  box-shadow: 0 4px 20px rgba(0,0,0,.25); z-index: 200;
}
.error-bar button {
  background: transparent; border: 1px solid rgba(255,255,255,.25);
  color: #f5c5c5; padding: .3rem .75rem; font-size: .8rem; border-radius: 4px; flex-shrink: 0;
}

/* Footer */
footer { border-top: 1px solid var(--border); padding: 2.5rem; background: var(--cream); }
.footer-inner { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: .6rem; }
.footer-brand { display: flex; align-items: center; gap: .5rem; font-family: var(--serif); font-size: 1rem; font-weight: 500; }
.footer-desc { font-size: .85rem; color: var(--ink-3); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .85rem; color: var(--ink-3); text-decoration: none; transition: color .15s; }
.footer-links a:hover { color: var(--ink); }

.hidden { display: none !important; }

@media(max-width:680px){
  nav{padding:1rem 1.2rem}
  .nav-links{gap:1rem}
  .nav-links a:not(.nav-cta){display:none}
  .hero{padding:3.5rem 1.2rem 2rem}
  .results{padding:2rem 1.2rem}
  .insights-grid{grid-template-columns:1fr}
  .insight-card--wide{grid-column:auto}
  .ask-row{flex-direction:column}
  footer{padding:2rem 1.2rem}
}