/* Voice Studio — public marketing + auth pages: dark, animated, glass surfaces */

html { scroll-behavior: smooth; }

.public-body {
  background: #0a0a10;
  color: var(--text-on-dark);
  position: relative;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ---------- Animated backdrop ---------- */

.bg-decor {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, black, transparent 72%);
}

.bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  will-change: transform;
}
.bg-blob-1 { width: 560px; height: 560px; left: -140px; top: -160px; background: var(--accent-500); animation: blob-float-1 24s ease-in-out infinite; }
.bg-blob-2 { width: 460px; height: 460px; right: -120px; top: 180px; background: var(--teal-500); animation: blob-float-2 28s ease-in-out infinite; }
.bg-blob-3 { width: 420px; height: 420px; left: 32%; bottom: -200px; background: #8b5cf6; animation: blob-float-3 32s ease-in-out infinite; }

@keyframes blob-float-1 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(70px, 60px) scale(1.15); } }
@keyframes blob-float-2 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(-60px, 50px) scale(0.9); } }
@keyframes blob-float-3 { 0%, 100% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40px, -50px) scale(1.1); } }

.bg-particles { position: absolute; inset: 0; }
.bg-particle {
  position: absolute;
  bottom: -20px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 6px 1px rgba(255, 255, 255, 0.35);
  animation-name: particle-float;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
@keyframes particle-float {
  0% { transform: translateY(0) scale(1); opacity: 0; }
  12% { opacity: 0.8; }
  85% { opacity: 0.3; }
  100% { transform: translateY(-92vh) scale(0.4); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .bg-blob, .bg-particle { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Nav ---------- */

.public-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: rgba(9, 9, 14, 0.3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.public-nav.scrolled {
  background: rgba(9, 9, 14, 0.78);
  border-bottom-color: rgba(255, 255, 255, 0.09);
  box-shadow: 0 12px 40px -16px rgba(0, 0, 0, 0.55);
}

.public-nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 32px;
}

.public-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: var(--fs-md);
  color: white;
  flex-shrink: 0;
  transition: opacity var(--dur-fast) var(--ease);
}
.public-brand:hover { opacity: 0.85; }
.public-brand .brand-mark {
  position: relative;
  box-shadow: 0 0 0 0 rgba(106, 82, 240, 0.55);
  transition: box-shadow var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}
.public-brand:hover .brand-mark {
  transform: scale(1.06);
  box-shadow: 0 0 0 6px rgba(106, 82, 240, 0.18);
}

.public-nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
}
.public-nav-links a {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-on-dark-muted);
  padding: 4px 1px;
  transition: color var(--dur-fast) var(--ease);
}
.public-nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 1.5px;
  width: 0;
  background: linear-gradient(90deg, var(--accent-300), var(--teal-400));
  transition: width var(--dur-base) var(--ease);
}
.public-nav-links a:hover { color: white; }
.public-nav-links a:hover::after { width: 100%; }

.public-nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.public-nav-actions .help-text { color: var(--text-on-dark-muted); }
.public-nav-actions .btn-ghost { color: var(--text-on-dark); }
.public-nav-actions .btn-ghost:hover { background: rgba(255, 255, 255, 0.08); color: white; }
.public-nav-actions .btn-primary {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 6px 20px -6px rgba(106, 82, 240, 0.6);
}
.public-nav-actions .btn-primary:hover { transform: translateY(-1px); }

/* Mobile hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  margin: 0 auto;
  background: white;
  border-radius: 2px;
  transition: transform var(--dur-base) var(--ease), opacity var(--dur-base) var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.public-nav-mobile {
  max-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 24px;
  background: rgba(9, 9, 14, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: max-height var(--dur-base) var(--ease);
}
.public-nav-mobile.open { max-height: 320px; }
.public-nav-mobile a {
  color: var(--text-on-dark-muted);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.public-nav-mobile a:hover { color: white; }
.public-nav-mobile-actions {
  display: flex;
  gap: 10px;
  padding: 14px 0 18px;
}
.public-nav-mobile-actions .btn { flex: 1; justify-content: center; }

@media (max-width: 760px) {
  .public-nav-links,
  .public-nav-inner > .public-nav-actions {
    display: none;
  }
  .nav-toggle { display: flex; }
}

main { position: relative; z-index: 1; }

.public-flash {
  max-width: 640px;
  margin: 16px auto 0;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.public-footer {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-on-dark-muted);
  font-size: var(--fs-xs);
  position: relative;
  z-index: 1;
}

/* ---------- Hero ---------- */

.hero {
  max-width: 820px;
  margin: 0 auto;
  padding: 72px 24px 32px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: white;
}
.hero-gradient-text {
  background: linear-gradient(100deg, var(--accent-300), var(--teal-400) 60%, var(--accent-300));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 6s ease-in-out infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero p {
  font-size: var(--fs-md);
  color: var(--text-on-dark-muted);
  max-width: 560px;
  margin: 0 auto 28px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-actions .btn-primary {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 8px 30px -6px rgba(106, 82, 240, 0.65);
}
.hero-actions .btn-primary:hover { transform: translateY(-1px); }
.hero-actions .btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: white;
  border-color: rgba(255, 255, 255, 0.18);
}
.hero-actions .btn-secondary:hover { background: rgba(255, 255, 255, 0.12); }

/* Waveform visual */
.waveform {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 56px;
  margin: 0 auto 8px;
}
.waveform span {
  display: block;
  width: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--accent-300), var(--teal-400));
  transform-origin: bottom;
  animation: wave-pulse 1.2s ease-in-out infinite;
}
@keyframes wave-pulse {
  0%, 100% { transform: scaleY(0.35); opacity: 0.7; }
  50% { transform: scaleY(1); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .waveform span { animation: none; height: 18px !important; }
  .hero-gradient-text { animation: none; }
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Sections ---------- */

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 56px 24px;
  position: relative;
  scroll-margin-top: 84px;
}
.section-alt {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.5);
}
.section-title {
  font-size: var(--fs-2xl);
  text-align: center;
  margin-bottom: 10px;
  color: white;
}
.section-subtitle {
  text-align: center;
  color: var(--text-on-dark-muted);
  margin-bottom: 36px;
}
.section-alt .section-title { color: var(--text-primary); }
.section-alt .section-subtitle { color: var(--text-secondary); }

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .use-case-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .use-case-grid { grid-template-columns: 1fr; }
}

.use-case-card {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.55);
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.use-case-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-300);
  box-shadow: 0 24px 60px -20px rgba(106, 82, 240, 0.35);
}
.use-case-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  background: var(--accent-50);
  color: var(--accent-600);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.use-case-icon svg { width: 20px; height: 20px; }
.use-case-card h3 { font-size: var(--fs-base); margin-bottom: 8px; }
.use-case-card p { font-size: var(--fs-sm); color: var(--text-secondary); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 0 24px;
}
@media (max-width: 760px) {
  .steps-grid { grid-template-columns: 1fr; }
}
.step { text-align: center; }
.step-number {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--accent-500);
  color: white;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 0 0 6px var(--accent-50);
}
.step h3 { font-size: var(--fs-base); margin-bottom: 6px; }
.step p { font-size: var(--fs-sm); color: var(--text-secondary); }

.cta-band {
  max-width: 640px;
  margin: 0 auto;
  padding: 64px 24px 88px;
  text-align: center;
}
.cta-band h2 { font-size: var(--fs-xl); margin-bottom: 20px; color: white; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
@media (max-width: 860px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}
.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 28px 24px 24px;
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.55);
}
.pricing-card h3 { font-size: var(--fs-lg); margin-bottom: 8px; }
.pricing-price { margin-bottom: 4px; }
.pricing-price span {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.pricing-credits {
  color: var(--accent-700);
  font-weight: 700;
  margin-bottom: 16px;
}
.pricing-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pricing-card li {
  position: relative;
  padding: 7px 0 7px 18px;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.pricing-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-500);
}
.pricing-card-featured {
  border-color: var(--accent-400);
  box-shadow: 0 24px 60px -18px rgba(106, 82, 240, 0.45);
  transform: translateY(-8px);
}
@media (max-width: 860px) {
  .pricing-card-featured { transform: none; }
}
.pricing-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--accent-500);
  color: white;
  font-size: var(--fs-xs);
  font-weight: 700;
}

/* ---------- Auth pages ---------- */

.auth-wrap {
  display: flex;
  justify-content: center;
  padding: 56px 20px 96px;
}
.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 80px -24px rgba(0, 0, 0, 0.6);
}
.auth-title { font-size: var(--fs-xl); margin-bottom: 6px; }
.auth-subtitle { color: var(--text-secondary); font-size: var(--fs-sm); margin-bottom: 22px; }
.auth-footnote { text-align: center; font-size: var(--fs-sm); color: var(--text-secondary); margin-top: 18px; }
.code-input {
  text-align: center;
  letter-spacing: 0.35em;
  font-size: 1.35rem;
  font-weight: 700;
}
.link-button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent-600);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.link-button:hover { text-decoration: underline; }
.link-button:disabled {
  color: var(--text-muted);
  cursor: default;
  text-decoration: none;
}
.auth-footnote a { color: var(--accent-600); font-weight: 600; }

.password-field { position: relative; }
.password-field .input { padding-right: 68px; }
.password-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: var(--accent-600);
  font: inherit;
  font-size: var(--fs-xs);
  font-weight: 700;
  cursor: pointer;
  padding: 6px 8px;
}
.password-toggle:hover { color: var(--accent-700); }

@media (max-width: 720px) {
  .auth-wrap { padding: 28px 14px 64px; }
  .auth-card { padding: 22px 16px; }
  .hero { padding: 48px 16px 24px; }
  .public-nav-mobile.open { max-height: 520px; }
  .public-nav-inner { padding-left: 14px; padding-right: 14px; }
}

.google-btn { display: flex; align-items: center; justify-content: center; gap: 10px; }

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-xs);
  margin: 18px 0;
}
.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}
.auth-divider span { padding: 0 10px; }


/* ---------- Contact ---------- */

.contact-section { max-width: 820px; padding-bottom: 96px; }
.contact-section .section-title { font-size: clamp(1.8rem, 4.5vw, 2.6rem); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 640px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-card {
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
  text-decoration: none;
}
.contact-card:hover { text-decoration: none; }
.contact-value {
  font-size: var(--fs-md) !important;
  font-weight: 700;
  color: var(--text-primary) !important;
  margin-bottom: 6px;
  word-break: break-word;
}
.contact-card > p:last-of-type { margin-bottom: 18px; }
.contact-btn { margin-top: auto; }
.contact-icon-wa { background: rgba(20, 184, 166, 0.12); color: var(--teal-600); }

.public-footer-links { margin-bottom: 8px; }
.public-footer-links a { color: var(--text-on-dark-muted); }
.public-footer-links a:hover { color: white; }