/* Guest landing hero preview — Flu-native (matches modern-hero / btn-modern-primary) */
.landing-vertiente {
  width: min(100%, 520px);
  margin: 0 auto;
  text-align: center;
}

/* URL bar: same pill language as .btn-modern-primary, glass track */
.landing-vertiente .landing-url-bar {
  display: flex;
  align-items: stretch;
  gap: 0.4rem;
  padding: 0.4rem;
  border-radius: 999px;
  background: rgba(42, 42, 42, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.06) inset,
    0 12px 32px rgba(0, 0, 0, 0.28);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.landing-vertiente .landing-url-bar:focus-within {
  border-color: rgba(187, 134, 252, 0.55);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.08) inset,
    0 0 0 3px rgba(187, 134, 252, 0.18),
    0 14px 36px rgba(0, 0, 0, 0.32);
}

body.light-mode .landing-vertiente .landing-url-bar {
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.9) inset,
    0 10px 28px rgba(0, 0, 0, 0.08);
}

body.light-mode .landing-vertiente .landing-url-bar:focus-within {
  border-color: rgba(225, 48, 108, 0.45);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.9) inset,
    0 0 0 3px rgba(225, 48, 108, 0.14),
    0 12px 32px rgba(225, 48, 108, 0.12);
}

.landing-vertiente .landing-url-field {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.landing-vertiente .landing-url-bar input {
  flex: 1;
  min-width: 0;
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: #f4f4f5;
  font-family: "Roboto", sans-serif;
  font-size: 1rem;
  padding: 0.65rem 1rem;
}

body.light-mode .landing-vertiente .landing-url-bar input {
  color: #18181b;
}

/* Overlay-placeholder rotativo (slot-text). Same idea as .topic-slot. */
.landing-vertiente .landing-url-slot {
  position: absolute;
  top: 50%;
  left: 1rem;
  right: 1rem;
  transform: translateY(-50%);
  pointer-events: none;
  user-select: none;
  font-family: "Roboto", sans-serif;
  font-size: 1rem;
  line-height: 1.2;
  color: rgba(244, 244, 245, 0.42);
  overflow: hidden;
  white-space: nowrap;
  opacity: 1;
  transition: opacity 0.25s ease;
  text-align: left;
}

body.light-mode .landing-vertiente .landing-url-slot {
  color: rgba(24, 24, 27, 0.4);
}

.landing-vertiente .landing-url-field.is-filled .landing-url-slot,
.landing-vertiente .landing-url-field.is-focused .landing-url-slot {
  opacity: 0;
}

/* Submit = same DNA as .btn-modern-primary */
.landing-vertiente .landing-url-submit {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.45rem;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
  background: linear-gradient(135deg, #bb86fc, #a052e0, #7f00ff);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.25) inset,
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 8px 20px rgba(187, 134, 252, 0.28);
  transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.25s ease,
    opacity 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.landing-vertiente .landing-url-submit i {
  font-size: 0.85em;
  transition: transform 0.25s cubic-bezier(0.2, 0, 0, 1);
}

.landing-vertiente .landing-url-submit:hover:not(:disabled) i {
  transform: translateX(3px);
}

body.light-mode .landing-vertiente .landing-url-submit {
  background: linear-gradient(135deg, #e1306c, #f77737, #f59e0b);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.2) inset,
    0 1px 2px rgba(0, 0, 0, 0.12),
    0 8px 20px rgba(225, 48, 108, 0.26);
}

.landing-vertiente .landing-url-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.25) inset,
    0 1px 2px rgba(0, 0, 0, 0.3),
    0 12px 28px rgba(187, 134, 252, 0.38);
}

body.light-mode .landing-vertiente .landing-url-submit:hover:not(:disabled) {
  box-shadow:
    0 1px 0 0 rgba(255, 255, 255, 0.2) inset,
    0 1px 2px rgba(0, 0, 0, 0.12),
    0 12px 28px rgba(225, 48, 108, 0.34);
}

.landing-vertiente .landing-url-submit:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

/* Compact validation error under the URL bar (no ADN card shell). */
.landing-vertiente .landing-url-error {
  margin: 0.65rem auto 0;
  max-width: 28rem;
  padding: 0.55rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(248, 113, 113, 0.35);
  background: rgba(248, 113, 113, 0.1);
  color: #fecaca;
  font-family: "Roboto", sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.35;
  text-align: center;
  animation: landing-adn-in 0.3s cubic-bezier(0.2, 0, 0, 1);
}

.landing-vertiente .landing-url-error[hidden] {
  display: none !important;
}

body.light-mode .landing-vertiente .landing-url-error {
  border-color: rgba(220, 38, 38, 0.28);
  background: rgba(254, 226, 226, 0.92);
  color: #b91c1c;
}

/* Trust chips removed — single .cta-subtitle line under the URL bar */

/* ADN panel — Flu card surface, not demo ink */
.landing-vertiente .landing-adn {
  margin: 1.25rem auto 0;
  text-align: left;
  background: rgba(42, 42, 42, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 1.15rem 1.25rem 1.25rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  display: none;
}

.landing-vertiente .landing-adn.on {
  display: block;
  animation: landing-adn-in 0.4s cubic-bezier(0.2, 0, 0, 1);
}

@keyframes landing-adn-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

body.light-mode .landing-vertiente .landing-adn {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.1);
}

.landing-vertiente .landing-adn-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0;
}

/* Only pad below the head once body content (shot / rows / slogan) exists. */
.landing-vertiente .landing-adn:has(.landing-adn-shot.is-visible) .landing-adn-head,
.landing-vertiente .landing-adn:has(.landing-adn-row.show) .landing-adn-head,
.landing-vertiente .landing-adn:has(.landing-adn-slogan:not(:empty)) .landing-adn-head,
.landing-vertiente .landing-adn:has(.landing-adn-cta.on) .landing-adn-head {
  margin-bottom: 0.85rem;
}

/* Error after partial stream: keep status, no extra empty chrome. */
.landing-vertiente .landing-adn.is-error .landing-adn-demo {
  opacity: 0.55;
}

.landing-vertiente .landing-adn-shot {
  margin: 0.55rem 0 0.85rem;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.35);
  max-height: 10rem;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity 0.35s ease,
    max-height 0.35s ease,
    margin 0.35s ease,
    padding 0.35s ease,
    transform 0.35s ease;
}

.landing-vertiente .landing-adn-shot.is-visible {
  opacity: 1;
  transform: none;
}

.landing-vertiente .landing-adn-shot.is-fading {
  opacity: 0;
  max-height: 0;
  margin-top: 0;
  margin-bottom: 0;
  border-width: 0;
  transform: translateY(-4px);
}

/* When both classes are present (error after compact), force collapse over compact layout. */
.landing-vertiente .landing-adn-shot.is-fading.is-compact {
  max-height: 0;
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
  transform: translateY(-4px);
}

.landing-vertiente .landing-adn-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 10rem;
  object-fit: cover;
  object-position: top center;
  outline: 1px solid rgba(255, 255, 255, 0.1);
  outline-offset: -1px;
}

.landing-vertiente .landing-adn-shot-fallback {
  min-height: 8.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1rem;
  color: rgba(244, 244, 245, 0.74);
  font-family: "Roboto", sans-serif;
  font-size: 0.86rem;
  font-weight: 500;
  text-align: center;
}

.landing-vertiente .landing-adn-shot-fallback i {
  color: rgba(187, 134, 252, 0.92);
  font-size: 1rem;
}

.landing-vertiente .landing-adn-shot-fallback span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.landing-vertiente .landing-adn-shot-caption {
  display: none;
  min-width: 0;
  overflow: hidden;
  color: rgba(244, 244, 245, 0.68);
  font-family: "Roboto", sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.landing-vertiente .landing-adn-shot.is-compact {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  max-height: 3.75rem;
  margin: 0.65rem 0;
  padding: 0.3rem;
  transform: none;
}

.landing-vertiente .landing-adn-shot.is-compact img {
  width: 4.5rem;
  height: 2.75rem;
  max-height: none;
  flex: 0 0 4.5rem;
  border-radius: 8px;
}

.landing-vertiente .landing-adn-shot.is-compact .landing-adn-shot-fallback {
  width: 4.5rem;
  min-height: 2.75rem;
  flex: 0 0 4.5rem;
  padding: 0;
  border-radius: 8px;
  background: rgba(187, 134, 252, 0.08);
}

.landing-vertiente .landing-adn-shot.is-compact .landing-adn-shot-fallback span {
  display: none;
}

.landing-vertiente .landing-adn-shot.is-compact .landing-adn-shot-caption {
  display: block;
}

body.light-mode .landing-vertiente .landing-adn-shot {
  border-color: rgba(0, 0, 0, 0.08);
  background: rgba(0, 0, 0, 0.04);
}

body.light-mode .landing-vertiente .landing-adn-shot img {
  outline-color: rgba(0, 0, 0, 0.1);
}

body.light-mode .landing-vertiente .landing-adn-shot-fallback,
body.light-mode .landing-vertiente .landing-adn-shot-caption {
  color: rgba(24, 24, 27, 0.62);
}

body.light-mode .landing-vertiente .landing-adn-shot-fallback i {
  color: #e1306c;
}

body.light-mode .landing-vertiente .landing-adn-shot.is-compact .landing-adn-shot-fallback {
  background: rgba(225, 48, 108, 0.08);
}

.landing-vertiente .landing-adn-status {
  font-family: "Roboto", sans-serif;
  font-size: 0.9rem;
  color: rgba(244, 244, 245, 0.65);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

body.light-mode .landing-vertiente .landing-adn-status {
  color: rgba(24, 24, 27, 0.6);
}

.landing-vertiente .landing-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #bb86fc;
  animation: landing-pulse 1.1s ease infinite;
  flex-shrink: 0;
}

body.light-mode .landing-vertiente .landing-pulse {
  background: #e1306c;
}

.landing-vertiente .landing-pulse.done {
  background: #34d399;
  animation: none;
}

.landing-vertiente .landing-pulse.error {
  background: #f87171;
  animation: none;
}

@keyframes landing-pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

.landing-vertiente .landing-adn-demo {
  font-family: "Montserrat", sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(187, 134, 252, 0.95);
  background: rgba(187, 134, 252, 0.12);
  border: 1px solid rgba(187, 134, 252, 0.28);
  border-radius: 999px;
  padding: 0.28rem 0.65rem;
  white-space: nowrap;
}

body.light-mode .landing-vertiente .landing-adn-demo {
  color: #c2185b;
  background: rgba(225, 48, 108, 0.08);
  border-color: rgba(225, 48, 108, 0.22);
}

.landing-vertiente .landing-adn-row {
  display: none;
  align-items: center;
  gap: 0.85rem;
  margin: 0.7rem 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

/* Unrevealed rows must not reserve vertical space (avoids empty ADN shell). */
.landing-vertiente .landing-adn-row.show {
  display: flex;
  opacity: 1;
  transform: none;
}

.landing-vertiente .landing-adn-k {
  font-family: "Montserrat", sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(244, 244, 245, 0.45);
  width: 4.5rem;
  flex-shrink: 0;
}

body.light-mode .landing-vertiente .landing-adn-k {
  color: rgba(24, 24, 27, 0.45);
}

.landing-vertiente .landing-swatches {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.landing-vertiente .landing-sw {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  transform: scale(0.6);
  opacity: 0;
  animation: landing-swin 0.3s ease forwards;
}

@keyframes landing-swin {
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.landing-vertiente .landing-tag {
  font-family: "Roboto", sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(187, 134, 252, 0.14);
  color: #d4b8ff;
  border: 1px solid rgba(187, 134, 252, 0.28);
}

body.light-mode .landing-vertiente .landing-tag {
  background: rgba(225, 48, 108, 0.08);
  color: #c2185b;
  border-color: rgba(225, 48, 108, 0.2);
}

.landing-vertiente .landing-tag.papel {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(244, 244, 245, 0.88);
  border-color: rgba(255, 255, 255, 0.12);
}

body.light-mode .landing-vertiente .landing-tag.papel {
  background: rgba(0, 0, 0, 0.04);
  color: #3f3f46;
  border-color: rgba(0, 0, 0, 0.08);
}

/* Brand slogan — Instrument Serif italic, brand violet / warm orange */
.landing-vertiente .landing-adn-slogan {
  margin-top: 1rem;
  padding: 0.35rem 0.15rem 0.15rem;
  min-height: 0;
  color: #c9a6ff;
  font-family: "Instrument Serif", Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2.8vw, 1.55rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.01em;
  line-height: 1.3;
  text-wrap: pretty;
}

.landing-vertiente .landing-adn-slogan:empty {
  display: none;
  margin: 0;
  padding: 0;
}

.landing-vertiente .landing-adn-slogan:not(:empty) {
  min-height: 2.4rem;
}

body.light-mode .landing-vertiente .landing-adn-slogan {
  color: #e85d04;
  background: none;
  border: none;
}

.landing-vertiente .landing-caret {
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 2px;
  background: #bb86fc;
  vertical-align: -2px;
  animation: landing-pulse 0.8s infinite;
}

body.light-mode .landing-vertiente .landing-caret {
  background: #f77737;
}

.landing-vertiente .landing-adn-cta {
  margin-top: 1rem;
  display: none;
}

.landing-vertiente .landing-adn-cta.on {
  display: block;
  animation: landing-adn-in 0.35s ease;
}

.landing-vertiente .landing-adn-cta .btn-modern-primary {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1rem;
}

.landing-vertiente .cta-subtitle {
  margin-top: 0.85rem;
}

@media (max-width: 600px) {
  .landing-vertiente {
    width: 100%;
  }

  .landing-vertiente .landing-url-bar {
    flex-direction: column;
    border-radius: 1.15rem;
    padding: 0.55rem;
  }

  .landing-vertiente .landing-url-bar input {
    padding: 0.75rem 0.85rem;
    text-align: center;
  }

  .landing-vertiente .landing-url-slot {
    left: 0.85rem;
    right: 0.85rem;
    text-align: center;
  }

  .landing-vertiente .landing-url-submit {
    width: 100%;
    padding: 0.95rem 1.2rem;
  }

  .landing-vertiente .landing-adn-row {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-vertiente .landing-adn.on,
  .landing-vertiente .landing-adn-cta.on,
  .landing-vertiente .landing-adn-shot,
  .landing-vertiente .landing-sw,
  .landing-vertiente .landing-adn-row,
  .landing-vertiente .landing-pulse,
  .landing-vertiente .landing-caret,
  .landing-vertiente .landing-url-error {
    animation: none !important;
    transition: none !important;
  }

  .landing-vertiente .landing-adn-row.show {
    opacity: 1;
    transform: none;
  }

  .landing-vertiente .landing-sw {
    transform: none;
    opacity: 1;
  }
}