/* Ubik2 landing — alineado a lib/core/theme/app_theme.dart (marca UbiK2) */
:root {
  /* Paleta marca (_Palette) */
  --primary: #00abdd;
  --on-primary: #ffffff;
  --secondary: #324b50;
  --on-secondary: #ffffff;
  --tertiary: #c4c4c4;
  --surface: #ffffff;
  --on-surface: #324b50;
  --on-surface-muted: rgba(50, 75, 80, 0.72);

  /* Semánticos */
  --success: #2f8472;
  --warning: #fd8f3b;
  --error: #9f4200;

  --radius-card: 20px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(50, 75, 80, 0.08);
  --shadow-md: 0 8px 24px rgba(50, 75, 80, 0.1);
  --font: "Quicksand", system-ui, -apple-system, sans-serif;
  --max: 1080px;

  --whatsapp: #25d366;

  /* Espaciado fluido (móvil → desktop) */
  --wrap-gutter: clamp(1rem, 4vw, 2rem);
  --section-y: clamp(2rem, 5vw, 3.5rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn {
    transition: none;
  }

  .btn:active {
    transform: none;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(0.9375rem, 2.5vw, 1rem);
  line-height: 1.55;
  color: var(--on-surface);
  background: var(--surface);
  padding-inline: max(0px, env(safe-area-inset-left)) max(0px, env(safe-area-inset-right));
  padding-bottom: env(safe-area-inset-bottom);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #0088b3;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  width: min(calc(100% - 2 * var(--wrap-gutter)), var(--max));
  margin-inline: auto;
  padding-inline: 0;
}

/* SVG icons */
.icon-svg {
  display: block;
  flex-shrink: 0;
}

.icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  margin-bottom: 1rem;
  color: var(--primary);
}

.icon-wrap--secondary {
  background: color-mix(in srgb, var(--secondary) 10%, transparent);
  color: var(--secondary);
}

.icon-wrap--success {
  background: color-mix(in srgb, var(--success) 16%, transparent);
  color: var(--success);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .section-head--row {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
  }

  .section-head--row .section-head-text {
    flex: 1;
  }
}

.section-head-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--secondary);
}

.section-head p {
  margin: 0;
  color: var(--on-surface-muted);
  max-width: 640px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--tertiary) 80%, var(--secondary));
  padding-inline: max(0px, env(safe-area-inset-left)) max(0px, env(safe-area-inset-right));
  padding-top: env(safe-area-inset-top);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--secondary);
  text-decoration: none;
}

.logo:hover {
  color: var(--primary);
}

.logo-img {
  height: clamp(28px, 7vw, 36px);
  width: auto;
  display: block;
  max-width: min(200px, 55vw);
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 0.5rem 1.15rem;
  flex-wrap: wrap;
}

.nav-main a {
  color: var(--on-surface-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

.nav-main a:hover {
  color: var(--secondary);
}

.header-cta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn .btn-icon {
  width: 1.15em;
  height: 1.15em;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
  box-shadow: 0 2px 0 color-mix(in srgb, var(--primary) 45%, #000);
}

.btn-primary:hover {
  background: #0099c7;
  border-color: #0099c7;
  color: var(--on-primary);
}

.btn-secondary {
  background: var(--surface);
  color: var(--secondary);
  border-color: color-mix(in srgb, var(--secondary) 22%, transparent);
}

.btn-secondary:hover {
  border-color: var(--secondary);
  background: color-mix(in srgb, var(--tertiary) 35%, white);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  background: #1ebe57;
  border-color: #1ebe57;
  color: #fff;
}

.btn-play {
  background: var(--on-surface);
  color: #fff;
  border-color: var(--on-surface);
}

.btn-play:hover {
  background: #000;
  border-color: #000;
  color: #fff;
}

/* Hero */
.hero {
  padding: 2.5rem 0 3rem;
  background: radial-gradient(
      ellipse 90% 65% at 50% -15%,
      color-mix(in srgb, var(--primary) 22%, transparent),
      transparent 55%
    ),
    linear-gradient(180deg, color-mix(in srgb, var(--tertiary) 45%, white) 0%, var(--surface) 38%);
}

.hero-inner {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
}

.hero-brand {
  margin-bottom: 1.25rem;
}

.hero-brand-img {
  max-width: min(320px, 88vw);
  height: auto;
  margin-inline: auto;
  display: block;
}

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.65rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--secondary);
}

.hero-lead {
  margin: 0 0 1.5rem;
  font-size: clamp(0.95rem, 2.5vw, 1.05rem);
  color: var(--on-surface-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.hero-note {
  font-size: 0.88rem;
  color: var(--on-surface-muted);
}

/* Sections */
section {
  padding: var(--section-y) 0;
  border-top: 1px solid color-mix(in srgb, var(--tertiary) 70%, var(--secondary));
}

section:first-of-type {
  border-top: none;
}

.bg-soft {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--tertiary) 28%, white) 0%,
    var(--surface) 100%
  );
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.step-card {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--secondary) 10%, transparent);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow-sm);
}

.step-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.step-num {
  display: inline-flex;
  min-width: 2rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--on-primary);
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.85rem;
}

.step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--secondary);
}

.step-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--on-surface-muted);
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: clamp(1rem, 2.5vw, 1.35rem);
}

.feature-block {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--secondary) 10%, transparent);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.35rem;
  box-shadow: var(--shadow-sm);
}

.feature-block-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}

.feature-block-header h3 {
  margin: 0;
  flex: 1;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--secondary);
}

.feature-block ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--on-surface-muted);
}

.feature-block li {
  margin-bottom: 0.45rem;
}

.feature-block li:last-child {
  margin-bottom: 0;
}

.feature-block li::marker {
  color: var(--primary);
}

/* Privacy */
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: clamp(0.75rem, 2vw, 1rem);
}

.privacy-item {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--secondary) 10%, transparent);
  border-radius: var(--radius-card);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
}

.privacy-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.6rem;
}

.privacy-head h3 {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--secondary);
}

.privacy-item p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--on-surface-muted);
}

/* Contact */
.contact-block {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
}

.contact-panel {
  background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--secondary) 10%, transparent);
  border-radius: var(--radius-card);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin-inline: auto;
}

.faq-item {
  border: 1px solid color-mix(in srgb, var(--secondary) 12%, transparent);
  border-radius: var(--radius-btn);
  margin-bottom: 0.65rem;
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.faq-item button {
  width: 100%;
  padding: 1rem 1.15rem;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--secondary);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-item button::after {
  content: "+";
  color: var(--primary);
  font-size: 1.35rem;
  font-weight: 700;
  flex-shrink: 0;
}

.faq-item.is-open button::after {
  content: "−";
}

.faq-panel {
  display: none;
  padding: 0 1.15rem 1rem;
  color: var(--on-surface-muted);
  font-size: 0.95rem;
}

.faq-item.is-open .faq-panel {
  display: block;
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 2.75rem 0 3.25rem;
  background: radial-gradient(
      ellipse 70% 50% at 50% 120%,
      color-mix(in srgb, var(--primary) 18%, transparent),
      transparent 55%
    ),
    linear-gradient(180deg, var(--surface) 0%, color-mix(in srgb, var(--tertiary) 30%, white) 100%);
}

.final-cta h2 {
  margin: 0 0 1rem;
  font-weight: 700;
  color: var(--secondary);
}

.final-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid color-mix(in srgb, var(--tertiary) 70%, var(--secondary));
  background: color-mix(in srgb, var(--tertiary) 22%, white);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: var(--on-surface-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--on-surface-muted);
}

.text-muted {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--on-surface-muted);
}

.text-center {
  text-align: center;
}

.mt-sm {
  margin-top: 0.5rem;
}

/* Legal pages */
.legal-page {
  padding: 2rem 0 4rem;
}

.legal-page article {
  max-width: 720px;
  margin-inline: auto;
}

.legal-page h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.2;
  word-wrap: break-word;
}

.legal-updated {
  font-size: 0.9rem;
  color: var(--on-surface-muted);
  margin: 0 0 2rem;
}

.legal-page h2 {
  margin: 2rem 0 0.65rem;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--secondary);
}

.legal-page p,
.legal-page li {
  color: var(--on-surface-muted);
}

.legal-page ul {
  padding-left: 1.25rem;
}

.legal-page a {
  word-break: break-word;
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.92rem;
  font-weight: 600;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: var(--surface);
  border: 2px solid color-mix(in srgb, var(--secondary) 18%, transparent);
  color: var(--secondary);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-btn);
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.85rem;
}

/* Tablet y móvil: menú compacto + CTAs en bloque */
@media (max-width: 1024px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem 0.9rem;
  }

  .nav-desktop {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 0 0;
    border-top: 1px solid color-mix(in srgb, var(--tertiary) 70%, var(--secondary));
    margin-top: 0.65rem;
    order: 4;
  }

  .nav-desktop.is-open {
    display: flex;
  }

  .nav-main a {
    padding: 0.75rem 0;
    font-size: 1rem;
    border-bottom: 1px solid color-mix(in srgb, var(--secondary) 8%, transparent);
  }

  .nav-main a:last-child {
    border-bottom: none;
  }

  .header-inner {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }

  .logo {
    flex: 1 1 auto;
    min-width: 0;
  }

  .header-cta {
    width: 100%;
    justify-content: stretch;
    padding-top: 0.75rem;
    border-top: 1px solid color-mix(in srgb, var(--tertiary) 70%, var(--secondary));
    margin-top: 0;
    display: none;
    flex-wrap: wrap;
    gap: 0.5rem;
    order: 5;
  }

  .header-cta.is-open {
    display: flex;
  }

  .header-cta .btn {
    flex: 1 1 calc(50% - 0.25rem);
    min-width: 0;
    min-height: 44px;
    justify-content: center;
  }

  .header-cta .btn-whatsapp {
    flex: 1 1 100%;
  }
}

/* Móvil estrecho: botones hero y cierre a ancho completo */
@media (max-width: 520px) {
  .hero {
    padding: 1.75rem 0 2.5rem;
  }

  .hero-brand-img {
    max-width: min(280px, 92vw);
  }

  .hero-actions,
  .final-cta-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 22rem;
    margin-inline: auto;
  }

  .hero-actions .btn,
  .final-cta-actions .btn {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }

  .faq-item button {
    min-height: 48px;
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
  }

  .footer-inner {
    align-items: stretch;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.65rem;
  }

  .footer-meta {
    max-width: 100%;
  }
}

/* Laptop ancho: un poco más de aire en secciones */
@media (min-width: 1280px) {
  :root {
    --max: 1120px;
  }
}

/* Modo landscape en teléfonos: menos padding vertical en hero */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    padding: 1.25rem 0 1.75rem;
  }

  .hero h1 {
    font-size: clamp(1.35rem, 5vw, 1.85rem);
  }
}