/* Eva — Voice Assistant page styles */

:root {
  --paper: #FAF7F2;
  --paper-2: #F2EDE3;
  --ink: #0E1116;
  --ink-2: #2A2D33;
  --ink-soft: rgba(14, 17, 22, 0.62);
  --line: rgba(14, 17, 22, 0.10);
  --line-soft: rgba(14, 17, 22, 0.06);
  --accent-blue: #7DB3F2;     /* Ukrainian sky */
  --accent-blue-deep: #4E7FBE;
  --accent-gold: #F2C977;     /* warm marigold */
  --accent-gold-deep: #C99A3D;
  --display-font: "Unbounded", "Manrope", system-ui, sans-serif;
  --body-font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, monospace;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--body-font);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
}

/* film grain + ambient glow */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 700px at 85% 12%, rgba(125,179,242,0.18), transparent 60%),
    radial-gradient(700px 500px at 12% 30%, rgba(242,201,119,0.14), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='4'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.45 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.55'/></svg>");
  opacity: 0.045;
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 1;
}
body.no-grain::after { display: none; }

main, header, section, footer { position: relative; z-index: 2; }

a { color: inherit; }
button { font-family: inherit; }

/* ─── topbar ───────────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 56px;
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(8px);
}
.brand {
  display: inline-flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--ink);
  font-family: var(--display-font);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: 17px;
}
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-gold) 100%);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px rgba(14,17,22,0.06), 0 6px 20px -8px rgba(78,127,190,0.6);
}
.brand-mark svg { color: var(--ink); }
.brand-name { display: inline-flex; align-items: baseline; gap: 4px; }
.brand-dot { color: var(--ink-soft); margin: 0 2px; }
.brand-soft { color: var(--ink-soft); font-weight: 400; }

.topnav {
  display: flex; gap: 32px;
  font-size: 14px;
  color: var(--ink-soft);
}
.topnav a {
  text-decoration: none;
  position: relative; padding: 6px 0;
  transition: color 0.2s;
}
.topnav a:hover { color: var(--ink); }
.topnav a:hover::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--accent-blue);
}

.top-right { display: flex; align-items: center; gap: 18px; }
.back-to-shop {
  font-size: 13px; color: var(--ink-soft);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: all 0.2s;
}
.back-to-shop:hover { color: var(--ink); border-color: var(--ink); }

/* lang switch */
.lang-switch {
  position: relative;
  display: inline-flex;
  background: rgba(14,17,22,0.04);
  border-radius: 999px;
  padding: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.lang-btn {
  position: relative; z-index: 2;
  background: transparent; border: 0; cursor: pointer;
  padding: 6px 12px; color: var(--ink-soft);
  border-radius: 999px;
  transition: color 0.25s;
}
.lang-btn.active { color: var(--ink); font-weight: 600; }
.lang-pill {
  position: absolute; top: 4px; bottom: 4px; left: 4px;
  width: calc(33.333% - 2.6px);
  border-radius: 999px;
  background: var(--paper);
  box-shadow: 0 1px 3px rgba(14,17,22,0.08), inset 0 0 0 1px var(--line);
  transition: transform 0.35s cubic-bezier(.7,.1,.2,1);
  z-index: 1;
}
.lang-pill[data-pos="0"] { transform: translateX(0); }
.lang-pill[data-pos="1"] { transform: translateX(100%); }
.lang-pill[data-pos="2"] { transform: translateX(200%); }

/* ─── hero ─────────────────────────────────────────────────────────── */
.hero {
  padding: 60px 56px 80px;
  min-height: calc(100vh - 80px);
  display: flex; align-items: center;
}
.hero-grid {
  width: 100%;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: center;
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 28px;
  padding: 6px 14px 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.5);
  backdrop-filter: blur(4px);
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(125,179,242,0.25);
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-title {
  font-family: var(--display-font);
  font-weight: 500;
  font-size: clamp(52px, 7vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  color: var(--ink);
  text-wrap: balance;
}
.ht-line { display: inline; }
.ht-em {
  font-style: italic;
  font-family: "Fraunces", "Cormorant Garamond", serif;
  font-weight: 400;
  background: linear-gradient(105deg, var(--accent-blue-deep) 0%, var(--accent-gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-intro {
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 40px;
  max-width: 540px;
  text-wrap: pretty;
}

.cta-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 32px; }
.cta-primary {
  display: inline-flex; align-items: center; gap: 16px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  border-radius: 999px;
  padding: 12px 18px 12px 12px;
  cursor: pointer;
  font-family: var(--display-font);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 12px 30px -12px rgba(14,17,22,0.6);
  position: relative;
  overflow: hidden;
}
.cta-primary::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 35%, rgba(125,179,242,0.35), rgba(242,201,119,0.35), transparent 65%);
  background-size: 250% 100%;
  background-position: 100% 0;
  transition: background-position 0.8s;
}
.cta-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -14px rgba(14,17,22,0.7); }
.cta-primary:hover::before { background-position: 0 0; }
.cta-mic {
  position: relative; z-index: 1;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-gold));
  color: var(--ink);
  display: inline-flex; align-items: center; justify-content: center;
}
.cta-text { position: relative; z-index: 1; display: inline-flex; flex-direction: column; gap: 2px; align-items: flex-start; }
.cta-main { font-size: 17px; }
.cta-sub { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; opacity: 0.65; text-transform: uppercase; }
.cta-arrow { position: relative; z-index: 1; padding-right: 14px; font-size: 18px; opacity: 0.7; transition: transform 0.25s; }
.cta-primary:hover .cta-arrow { transform: translateX(4px); opacity: 1; }

.cta-secondary {
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: all 0.2s;
  background: rgba(255,255,255,0.5);
}
.cta-secondary:hover { border-color: var(--ink); background: var(--paper); }

.status-dot {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 36px;
}
.status-dot .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 0 0 rgba(125,179,242,0.6);
  animation: pulse-dot 1.6s ease-out infinite;
}
.status-dot.state-listening .dot { background: var(--accent-gold); }
.status-dot.state-speaking .dot { background: #6BD49B; }
.status-dot.state-connecting .dot { background: var(--accent-blue-deep); }
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(125,179,242,0.5); }
  100% { box-shadow: 0 0 0 12px rgba(125,179,242,0); }
}

.trust-row {
  display: flex; gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--line-soft);
}
.trust-item { display: flex; flex-direction: column; gap: 4px; }
.ti-num {
  font-family: var(--display-font);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.ti-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ─── hero portrait + orbit ───────────────────────────────────────── */
.hero-portrait {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 620px;
  margin-left: auto;
  width: 100%;
}
.portrait-mask {
  position: absolute; inset: 6%;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(180deg, #DCE7F5 0%, #F5E9D2 100%);
  box-shadow:
    0 60px 120px -40px rgba(78,127,190,0.45),
    inset 0 0 0 1px rgba(14,17,22,0.08);
  transition: transform 0.6s cubic-bezier(.7,.1,.2,1);
  animation: float 9s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.portrait-mask img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: contrast(1.02) saturate(1.05);
}
.portrait-vignette {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 50% 35%, transparent 60%, rgba(14,17,22,0.18) 100%),
    linear-gradient(180deg, transparent 60%, rgba(14,17,22,0.0) 100%);
  pointer-events: none;
}

.orbit-field {
  position: absolute; inset: -4%;
  pointer-events: none;
}
.ring {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.ring-1 { animation: spin-cw 60s linear infinite; }
.ring-2 { animation: spin-ccw 90s linear infinite; }
.ring-3 { animation: spin-cw 30s linear infinite; }
.ring-spark { animation: spark 4s linear infinite; }
@keyframes spin-cw  { to { transform: rotate(360deg); } }
@keyframes spin-ccw { to { transform: rotate(-360deg); } }
@keyframes spark { 0% { stroke: rgba(125,179,242,0); } 50% { stroke: rgba(125,179,242,0.9); } 100% { stroke: rgba(125,179,242,0); } }

.halo {
  position: absolute; inset: 12%;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(125,179,242,0.45), transparent 70%);
  filter: blur(40px);
  animation: breathe 4s ease-in-out infinite;
}
.orbit-field.state-listening .halo { background: radial-gradient(closest-side, rgba(242,201,119,0.55), transparent 70%); animation-duration: 1.4s; }
.orbit-field.state-speaking .halo { background: radial-gradient(closest-side, rgba(107,212,155,0.45), transparent 70%); animation-duration: 1.0s; }
@keyframes breathe { 0%, 100% { opacity: 0.45; transform: scale(1); } 50% { opacity: 0.85; transform: scale(1.06); } }

.particle {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 8px var(--accent-gold);
  opacity: 0;
  animation: drift 7s ease-in-out infinite;
}
.particle:nth-child(2n) { background: var(--accent-blue); box-shadow: 0 0 8px var(--accent-blue); }
.particle:nth-child(3n) { width: 2px; height: 2px; }
@keyframes drift {
  0% { opacity: 0; transform: translateY(0) scale(0.6); }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-30px) scale(1.2); }
}

.wave-shelf {
  position: absolute;
  bottom: 4%;
  left: 50%;
  transform: translateX(-50%);
  width: 56%;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 22px;
  box-shadow: 0 18px 40px -16px rgba(14,17,22,0.25);
}
.waveform {
  display: flex; align-items: center; gap: 3px;
  width: 100%; height: 100%;
}
.bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-gold));
  border-radius: 99px;
  transition: height 0.18s cubic-bezier(.4,.0,.2,1);
  min-height: 4px;
}

.hud {
  position: absolute;
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 6px 10px;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.hud-tl { top: 4%; left: 0%; }
.hud-br { bottom: 16%; right: 2%; }
.hud-tag { color: var(--ink); font-weight: 600; }
.hud-pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: #6BD49B;
  box-shadow: 0 0 0 0 rgba(107,212,155,0.6);
  animation: pulse-dot 1.6s ease-out infinite;
}

/* ─── sections ─────────────────────────────────────────────────────── */
.section-head {
  display: flex; align-items: baseline; gap: 24px;
  margin-bottom: 48px;
  padding: 0 56px;
}
.section-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  padding-top: 6px;
}
.section-title {
  font-family: var(--display-font);
  font-weight: 500;
  font-size: clamp(36px, 4.5vw, 56px);
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 0;
}

.capabilities { padding: 100px 0 80px; border-top: 1px solid var(--line-soft); }
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  margin: 0 56px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.cap-card {
  background: var(--paper);
  padding: 40px 36px 32px;
  display: flex; flex-direction: column;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  transition: background 0.3s;
  min-height: 280px;
}
.cap-card:hover { background: #fff; }
.cap-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-blue-deep);
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px;
  background: rgba(125,179,242,0.12);
  border-radius: 999px;
  align-self: flex-start;
}
.cap-card:nth-child(2n) .cap-tag { color: var(--accent-gold-deep); background: rgba(242,201,119,0.18); }
.cap-title {
  font-family: var(--display-font);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 8px 0 0;
}
.cap-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  flex: 1;
}
.cap-link {
  font-size: 22px;
  align-self: flex-end;
  opacity: 0.4;
  transition: all 0.25s;
}
.cap-card:hover .cap-link { opacity: 1; transform: translateX(4px); }

/* prompts */
.prompts { padding: 100px 0 80px; }
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 0 56px;
}
.prompt-chip {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 22px 26px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--ink);
  transition: all 0.2s;
}
.prompt-chip:hover {
  border-color: var(--ink);
  background: #fff;
  transform: translateY(-1px);
}
.pq {
  font-family: "Fraunces", serif;
  font-size: 36px;
  line-height: 0;
  color: var(--accent-blue);
  margin-top: 16px;
}
.pt { font-size: 16px; line-height: 1.45; }
.pa { font-size: 18px; opacity: 0.4; transition: all 0.2s; }
.prompt-chip:hover .pa { opacity: 1; transform: translateX(4px); color: var(--accent-blue-deep); }

/* privacy */
.privacy { padding: 60px 56px 80px; }
.privacy-card {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-xl);
  padding: 60px 64px;
  position: relative;
  overflow: hidden;
}
.privacy-card::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(600px 400px at 90% 20%, rgba(125,179,242,0.25), transparent 60%),
    radial-gradient(500px 300px at 10% 90%, rgba(242,201,119,0.18), transparent 60%);
}
.privacy-left { display: flex; gap: 32px; align-items: flex-start; max-width: 800px; position: relative; }
.privacy-icon {
  flex: 0 0 auto;
  width: 72px; height: 72px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--accent-gold);
}
.privacy-title {
  font-family: var(--display-font);
  font-weight: 500;
  font-size: 32px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 6px 0 14px;
}
.privacy-desc {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(250,247,242,0.7);
  margin: 0;
  max-width: 640px;
}

/* footer */
.footer { padding: 40px 56px 56px; border-top: 1px solid var(--line-soft); }
.foot-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
}
.foot-brand { display: flex; flex-direction: column; gap: 6px; }
.foot-mark {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--display-font);
  font-weight: 600;
  font-size: 16px;
}
.foot-tag { font-size: 13px; color: var(--ink-soft); }
.foot-links { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; font-size: 13.5px; }
.foot-links a { text-decoration: none; color: var(--ink-soft); transition: color 0.2s; }
.foot-links a:hover { color: var(--ink); }
.foot-meta {
  text-align: right;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ─── voice modal ─────────────────────────────────────────────────── */
.voice-modal {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: modal-in 0.3s ease;
}
@keyframes modal-in { from { opacity: 0; } to { opacity: 1; } }
.voice-backdrop {
  position: absolute; inset: 0;
  background: rgba(14,17,22,0.55);
  backdrop-filter: blur(12px);
}
.voice-card {
  position: relative;
  width: min(960px, 96vw);
  height: min(720px, 90vh);
  background: var(--paper);
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex; flex-direction: column;
  box-shadow: 0 60px 120px -30px rgba(14,17,22,0.6);
  border: 1px solid var(--line);
  animation: card-in 0.45s cubic-bezier(.7,.1,.2,1);
}
@keyframes card-in { from { opacity: 0; transform: translateY(20px) scale(0.98); } to { opacity: 1; transform: none; } }
.voice-card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(125,179,242,0.08), transparent);
}
.vch-left { display: flex; align-items: center; gap: 14px; }
.vch-avatar {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--line);
}
.vch-avatar img { width: 100%; height: 100%; object-fit: cover; }
.vch-online {
  position: absolute; bottom: 0; right: 0;
  width: 10px; height: 10px; border-radius: 50%;
  background: #6BD49B;
  border: 2px solid var(--paper);
}
.vch-name { font-family: var(--display-font); font-weight: 500; font-size: 15px; }
.vch-sub { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--ink-soft); text-transform: uppercase; }
.vch-close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-soft);
  transition: all 0.2s;
}
.vch-close:hover { color: var(--ink); border-color: var(--ink); }
.voice-iframe {
  flex: 1;
  width: 100%;
  border: 0;
  background: var(--paper);
}
.voice-chat {
  flex: 1;
  width: 100%;
  overflow-y: auto;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--paper);
}
.voice-empty {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 18px;
  color: var(--ink-soft);
  text-align: center;
}
.voice-empty p { margin: 0; font-size: 15px; }
.voice-empty-pulse {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(125,179,242,0.4) 0%, rgba(125,179,242,0.0) 70%);
  position: relative;
}
.voice-empty-pulse::before,
.voice-empty-pulse::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1.5px solid var(--accent-blue, #7DB3F2);
  opacity: 0.7;
  animation: vp-ring 2.4s ease-out infinite;
}
.voice-empty-pulse::after { animation-delay: 1.2s; }
.voice-empty-pulse[data-state="speaking"]::before,
.voice-empty-pulse[data-state="speaking"]::after { border-color: var(--accent-gold, #F2C977); }
.voice-empty-pulse[data-state="connecting"] { opacity: 0.6; }
@keyframes vp-ring {
  0%   { transform: scale(0.6); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0;   }
}
.vt-msg {
  display: flex; flex-direction: column; gap: 4px;
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 15px; line-height: 1.45;
}
.vt-msg.vt-user {
  align-self: flex-end;
  background: rgba(125,179,242,0.16);
  border: 1px solid rgba(125,179,242,0.35);
  color: var(--ink);
}
.vt-msg.vt-ai {
  align-self: flex-start;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink);
}
.vt-who {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.vt-text { white-space: pre-wrap; }
.voice-error {
  margin: auto;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(220, 80, 80, 0.08);
  border: 1px solid rgba(220, 80, 80, 0.25);
  color: #b94040;
  font-size: 14px;
  text-align: center;
}
.voice-error p { margin: 0; }
.voice-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.vi-field {
  flex: 1;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.vi-field:focus {
  border-color: var(--accent-blue, #7DB3F2);
  box-shadow: 0 0 0 3px rgba(125,179,242,0.18);
}
.vi-field:disabled { opacity: 0.6; cursor: not-allowed; }
.vc-send {
  background: var(--accent-blue, #7DB3F2);
  color: var(--ink);
  border-color: transparent;
}
.vc-send:hover:not(:disabled) { filter: brightness(1.05); background: var(--accent-blue, #7DB3F2); }
.vc-send:disabled { background: rgba(0,0,0,0.06); color: var(--ink-soft); }
.voice-controls {
  display: flex;
  gap: 10px;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.vc-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.vc-btn:hover:not(:disabled) { background: rgba(0,0,0,0.04); }
.vc-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.vc-mute.is-muted { background: rgba(220, 80, 80, 0.08); border-color: rgba(220, 80, 80, 0.35); color: #b94040; }
.vc-end { margin-left: auto; border-color: rgba(220, 80, 80, 0.25); color: #b94040; }
.vc-end:hover:not(:disabled) { background: rgba(220, 80, 80, 0.06); }
.vch-state-connecting .vch-online { background: var(--accent-blue, #7DB3F2); }
.vch-state-listening .vch-online { background: #5fbf6c; }
.vch-state-speaking .vch-online { background: var(--accent-gold, #F2C977); }
.vch-state-error .vch-online { background: #b94040; }
.voice-card-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--ink-soft);
}
.lock { display: inline-flex; align-items: center; gap: 8px; }
.voice-newtab { text-decoration: none; font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; }
.voice-newtab:hover { color: var(--ink); }

/* ─── responsive ──────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-portrait { max-width: 460px; margin: 0 auto; }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .topbar { padding: 16px 20px; flex-wrap: wrap; gap: 12px; }
  .topnav { display: none; }
  .hero { padding: 40px 20px 60px; }
  .hero-title { font-size: 48px; }
  .section-head, .cap-grid, .prompt-grid, .privacy, .footer { padding-left: 20px; padding-right: 20px; }
  .cap-grid { grid-template-columns: 1fr; margin: 0 20px; }
  .prompt-grid { grid-template-columns: 1fr; }
  .privacy-card { padding: 36px 28px; }
  .privacy-left { flex-direction: column; gap: 20px; }
  .foot-row { grid-template-columns: 1fr; text-align: left; }
  .foot-meta { text-align: left; }
  .trust-row { gap: 24px; }
  .ti-num { font-size: 22px; }
}