/* undosecretgpt styles */
/* base reset + typography */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    "Noto Sans",
    "Apple Color Emoji",
    "Segoe UI Emoji",
    "Segoe UI Symbol";
  line-height: 1.5;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.bg-black {
  background-color: #000;
}
.leading-none {
  line-height: 1;
}

.cta-try-btn {
  font-size: 1.6rem;
  padding: 1.15rem 2.6rem;
  line-height: 1.05;
  min-width: 240px;
}

.cta-buy-btn {
  font-size: 1.25rem;
  padding: 0.9rem 2rem;
  line-height: 1.1;
  min-width: 130px;
}

.cta-arrow {
  transition: transform 220ms ease;
  position: relative;
  top: 2px;
}

.site-shell {
  color: #fff;
  min-height: 100vh;
  position: relative;
  isolation: isolate;
}

.site-container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #000;
  border-bottom: 1px solid rgba(31, 41, 55, 0.5);
}

.site-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo-wrap {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav-link {
  color: rgb(156 163 175 / 1);
  transition: color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.site-nav-link:hover {
  color: #fff;
}

.site-nav-link-desktop {
  display: block;
}

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgb(209 213 219 / 1);
  border: 1px solid rgb(55 65 81 / 1);
  border-radius: 0.25rem;
  height: 1.75rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: transparent;
}

.lang-toggle-btn:hover {
  color: #fff;
}

.sound-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 0.25rem 0.5rem;
}

.sound-toggle-btn svg {
  width: 0.95rem;
  height: 0.95rem;
}

.site-main {
  padding-top: 0;
  padding-bottom: 0;
}

.hero-section {
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.hero-title {
  margin: 0 auto;
  width: min(98%, 1320px);
  max-width: none;
  display: block;
  background-color: rgba(0, 0, 0, 0.88);
  border: 1px solid rgba(88, 214, 107, 0.2);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  box-shadow:
    0 0 0 1px rgba(88, 214, 107, 0.06),
    0 10px 24px rgba(0, 0, 0, 0.5);
  padding: 0.45em 0.9em 0.3em;
  font-size: 1.875rem;
  line-height: 1.25;
  font-weight: 800;
}

.hero-title-accent {
  color: inherit;
}

.hero-subtitle {
  margin: 0 auto;
  width: min(98%, 1320px);
  max-width: none;
  display: block;
  background-color: rgba(0, 0, 0, 0.88);
  border: 1px solid rgba(88, 214, 107, 0.2);
  border-top: 0;
  border-radius: 0 0 14px 14px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.48);
  padding: 0.6em 1em 0.8em;
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: rgb(156 163 175 / 1);
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.cta-btn {
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.92);
  color: #fff;
  border: 1px solid rgba(88, 214, 107, 0.45);
  font-weight: 700;
  border-radius: 0.5rem;
  transition: all 0.2s ease-in-out;
  box-shadow:
    0 0 12px rgba(88, 214, 107, 0.2),
    inset 0 0 10px rgba(88, 214, 107, 0.06);
  transform: scale(1);
}

.cta-btn:hover {
  background: rgba(0, 0, 0, 0.96);
  border-color: rgba(88, 214, 107, 0.75);
  box-shadow:
    0 0 16px rgba(88, 214, 107, 0.35),
    inset 0 0 14px rgba(88, 214, 107, 0.14);
  transform: scale(1.05);
}

.cta-arrow {
  width: 1.5rem;
  height: 1.5rem;
  margin-left: 0.375rem;
  align-self: center;
}

.features-section {
  margin-top: -1.5rem;
  padding-top: 0;
  padding-bottom: 4rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 2rem;
  justify-items: center;
  margin: 0 auto;
}

.feature-card {
  background: rgba(0, 0, 0, 0.82);
  width: 100%;
  padding: 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(88, 214, 107, 0.14);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.feature-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.65rem;
  border: 1px solid rgba(88, 214, 107, 0.62);
  background: rgba(0, 0, 0, 0.9);
  color: rgb(88 214 107 / 1);
  box-shadow:
    0 0 14px rgba(88, 214, 107, 0.22),
    inset 0 0 10px rgba(88, 214, 107, 0.08);
  margin-bottom: 0.85rem;
}

.feature-icon-svg {
  width: 1.3rem;
  height: 1.3rem;
}

.feature-title {
  margin: 0;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
}

.feature-text {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(88, 214, 107, 0.2);
  color: rgb(156 163 175 / 1);
}

.pricing-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.pricing-header-wrap {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-header-card {
  background: rgba(0, 0, 0, 0.84);
  border: 1px solid rgba(88, 214, 107, 0.18);
  border-radius: 1rem;
  padding: 2rem;
  max-width: 48rem;
  margin: 0 auto;
}

.pricing-title {
  margin: 0;
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 700;
  color: #fff;
}

.pricing-subtitle {
  margin: 1rem auto 0;
  max-width: 42rem;
  color: rgb(156 163 175 / 1);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 48rem;
  margin: 0 auto;
}

.plan-card {
  position: relative;
  padding: 1.5rem;
  border-width: 2px;
  border-style: solid;
  border-radius: 0.75rem;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}

.plan-card-selected-monthly {
  transform: scale(1.05);
  background: rgba(0, 0, 0, 0.82);
  border-color: rgb(88 214 107 / 1);
  box-shadow:
    0 25px 50px -12px rgb(0 0 0 / 0.25),
    0 10px 15px -3px rgba(88, 214, 107, 0.18);
}

.plan-card-selected-lifetime {
  transform: scale(1.05);
  background: rgba(0, 0, 0, 0.82);
  border-color: rgb(234 179 8 / 1);
  box-shadow:
    0 25px 50px -12px rgb(0 0 0 / 0.25),
    0 10px 15px -3px rgba(234, 179, 8, 0.24);
}

.plan-card-idle-monthly {
  background: rgba(0, 0, 0, 0.82);
  border-color: rgba(88, 214, 107, 0.16);
}

.plan-card-idle-monthly:hover {
  transform: scale(1.02);
  border-color: rgba(88, 214, 107, 0.42);
}

.plan-card-idle-lifetime {
  background: rgba(0, 0, 0, 0.82);
  border-color: rgba(234, 179, 8, 0.62);
}

.plan-card-idle-lifetime:hover {
  transform: scale(1.02);
  border-color: rgb(250 204 21 / 1);
}

.plan-selected-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  z-index: 10;
}

.plan-selected-badge-monthly {
  background: rgb(21 128 61 / 1);
}

.plan-selected-badge-lifetime {
  background: rgb(234 179 8 / 1);
}

.plan-title {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.plan-title-monthly {
  color: #fff;
}

.plan-title-lifetime {
  color: rgb(253 224 71 / 1);
}

.plan-price-row {
  margin-bottom: 1rem;
}

.plan-price {
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
}

.plan-duration {
  font-size: 0.875rem;
  color: rgb(156 163 175 / 1);
}

.plan-features {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  color: rgb(156 163 175 / 1);
  flex-grow: 1;
}

.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.plan-feature-item + .plan-feature-item {
  margin-top: 0.5rem;
}

.plan-feature-icon {
  width: 1rem;
  height: 1rem;
  color: rgb(34 197 94 / 1);
  flex-shrink: 0;
}

.plan-feature-icon-svg {
  width: 1rem;
  height: 1rem;
}

.plan-choose-btn {
  width: 100%;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 700;
  transition:
    color 0.15s cubic-bezier(0.4, 0, 0.2, 1),
    background-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.plan-choose-btn-selected {
  background: rgba(0, 0, 0, 0.92);
  border: 2px solid rgba(88, 214, 107, 0.55) !important;
  color: #fff;
}

.plan-choose-btn-selected:hover {
  background: rgba(21, 128, 61, 0.22);
  border-color: rgba(88, 214, 107, 0.8) !important;
}

.plan-choose-btn-idle {
  background: rgba(31, 41, 55, 0.7);
  color: rgb(209 213 219 / 1);
}

.plan-choose-btn-idle:hover {
  background: rgb(55 65 81 / 1);
  color: #fff;
}

.plan-card-idle-lifetime .plan-choose-btn,
.plan-card-selected-lifetime .plan-choose-btn {
  background: #000 !important;
  border: 2px solid rgba(234, 179, 8, 0.62) !important;
  color: rgb(229 231 235 / 1);
}

.plan-card-idle-lifetime .plan-choose-btn:hover,
.plan-card-selected-lifetime .plan-choose-btn:hover {
  border-color: rgba(250, 204, 21, 0.85) !important;
  background: rgba(0, 0, 0, 0.92) !important;
  color: #fff;
}

.site-footer {
  margin-top: 2rem;
  background: #000;
  border-top: 1px solid rgba(31, 41, 55, 0.5);
}

.site-footer-inner {
  text-align: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.social-links-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  color: #fff;
}

.social-link {
  opacity: 0.9;
  transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-link:hover {
  opacity: 1;
}

.social-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.site-footer-copy {
  margin-top: 0.5rem;
  color: rgb(156 163 175 / 1);
  font-size: 0.875rem;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .cta-btn {
    width: auto;
  }
}

@media (max-width: 480px) {
  .site-container {
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .site-header-inner {
    flex-wrap: nowrap;
    row-gap: 0;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
  }

  .brand-wrap {
    min-width: 0;
  }

  .brand-logo-wrap {
    width: 1.65rem;
    height: 1.65rem;
  }

  .brand-title {
    font-size: 0.92rem;
    white-space: nowrap;
  }

  .site-nav {
    width: auto;
    justify-content: flex-end;
    gap: 0.45rem;
  }

  .site-nav-link {
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .lang-toggle-btn {
    height: 1.34rem;
    padding: 0.16rem 0.36rem;
    font-size: 0.62rem;
  }

  .sound-toggle-btn {
    min-width: 0;
    padding: 0.16rem 0.36rem;
  }

  .sound-toggle-btn svg {
    width: 0.82rem;
    height: 0.82rem;
  }

  .cta-try-btn {
    min-width: 210px;
    font-size: 1.25rem;
    padding: 0.85rem 1.4rem;
  }
}

@media (min-width: 768px) {
  .site-nav-link-desktop {
    display: block;
  }
  .hero-title {
    font-size: 3.75rem;
    line-height: 1;
  }
  .hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.75rem;
  }
  .features-section {
    margin-top: -2rem;
    padding-bottom: 5rem;
  }
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .pricing-section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
  .pricing-header-card {
    padding: 2.5rem;
  }
  .pricing-title {
    font-size: 2.25rem;
    line-height: 2.5rem;
  }
  .pricing-cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .site-container {
    max-width: none;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-section {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }
  .feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}