/* ============================================================
   Che, Hablemos - landing page styles
   Base: general-style.md (Inter body, solid borders, consistent
   radii, mobile-first, reduced-motion, gold focus).
   Direction: playful "learn Spanish for real" - Argentine sky +
   sun + tangerine, speech-bubble motif, lively motion.
   ============================================================ */

:root {
  /* --- Palette (brand blues + sun kept; cream + burgundy dropped) --- */
  --color-principal:  #073a7c; /* deep navy - headings, borders, text */
  --color-secundario: #3782d3; /* brand blue - links, supporting */
  --color-celeste:    #3a9bde; /* sky blue - playful hovers, motif */
  --color-acento:     #ff7a3d; /* tangerine - energy accent, hover borders, pops */
  --color-detalle:    #f6b40e; /* sun gold - primary CTA, highlights, focus */
  --color-texto:      #2c2c2a;
  --color-header:     #e6f3fc; /* pale sky - header + footer */
  --color-sky-tint:   #d6ecfb; /* sky wash - eyebrow pills, badges */
  --color-bg:         #f6f6f6;
  --color-surface:    #ffffff;

  /* Radii */
  --radius-card: 20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --radius-bubble: 26px;

  /* Motion */
  --ease-premium: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-bounce: cubic-bezier(0.34, 1.55, 0.6, 1);
  --dur-fast: 0.35s;
  --dur-move: 0.6s;
  --dur-slow: 0.85s;

  --border: 1.5px solid var(--color-principal);

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ----------------------------- Reset ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-texto);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: var(--color-secundario); text-decoration: none; }
button { font: inherit; color: inherit; }

h1, h2, h3 { margin: 0; color: var(--color-principal); }
h1, h2 {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  letter-spacing: -0.015em;
}
h1 { line-height: 1.08; font-size: clamp(34px, 5.4vw, 60px); }
h2 { line-height: 1.14; font-size: clamp(27px, 3.7vw, 40px); }
h3 { font-family: var(--font-body); font-weight: 500; line-height: 1.3; font-size: clamp(19px, 2vw, 22px); }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--color-detalle); color: var(--color-texto);
  padding: 10px 18px; border-radius: var(--radius-sm); font-weight: 600;
  transition: top var(--dur-fast) var(--ease-premium);
}
.skip-link:focus-visible { top: 12px; }

:focus-visible {
  outline: 2px solid var(--color-detalle);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ----------------------------- Layout ----------------------------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 64px);
}
.container--narrow { max-width: 820px; }

.section { position: relative; padding-block: clamp(56px, 9vw, 120px); }
.section--surface { background: var(--color-surface); }

.section__intro {
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(40px, 7vw, 80px);
}
.section__lead {
  margin-top: 16px;
  font-size: clamp(16px, 1.6vw, 18px);
  opacity: 0.82;
}
.section__cta { text-align: center; margin-top: clamp(32px, 5vw, 52px); }

/* ----------------------------- Eyebrow (speech-bubble tag) ----------------------------- */
.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-principal);
  background: var(--color-sky-tint);
  border: 1.5px solid var(--color-principal);
  border-radius: 999px;
  padding: 6px 15px;
  margin: 0 0 18px;
}
.section__intro .eyebrow { position: relative; }
.section__intro .eyebrow::after {
  content: "";
  position: absolute;
  left: 22px; bottom: -7px;
  width: 12px; height: 12px;
  background: var(--color-sky-tint);
  border-right: 1.5px solid var(--color-principal);
  border-bottom: 1.5px solid var(--color-principal);
  transform: rotate(45deg);
}

/* ----------------------------- Buttons ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  text-align: center;
  transition:
    transform var(--dur-fast) var(--ease-bounce),
    background-color var(--dur-fast) ease,
    border-color var(--dur-fast) ease,
    color var(--dur-fast) ease,
    box-shadow var(--dur-fast) ease;
}
.btn:hover { transform: scale(1.045) rotate(-1deg); }
.btn:active { transform: scale(0.98); }

.btn--primary {
  background: var(--color-detalle);
  border-color: var(--color-detalle);
  color: var(--color-texto);
}
.btn--primary:hover { box-shadow: 0 14px 30px rgba(246, 180, 14, 0.38); }

.btn--secondary {
  background: var(--color-principal);
  border-color: var(--color-principal);
  color: #fff;
}
.btn--secondary:hover { background: var(--color-celeste); border-color: var(--color-celeste); }

.btn--outline {
  background: transparent;
  border-color: var(--color-principal);
  color: var(--color-principal);
}
.btn--outline:hover {
  border-color: var(--color-acento);
  color: var(--color-acento);
  background: rgba(255, 122, 61, 0.08);
}

/* ----------------------------- Header ----------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header);
  border-bottom: 1.5px solid rgba(7, 58, 124, 0.22);
}
.header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  padding-block: 10px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-principal);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.brand__mark {
  width: 42px; height: 42px;
  object-fit: contain;
  transition: transform var(--dur-fast) var(--ease-bounce);
}
.brand:hover .brand__mark { animation: wiggle 0.6s var(--ease-premium); }

.nav { margin-inline: auto; }
.nav__list { display: flex; gap: clamp(10px, 1.5vw, 22px); }
.nav__list a {
  position: relative;
  color: var(--color-texto);
  opacity: 0.85;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  padding: 6px 2px;
  transition: opacity var(--dur-fast) ease, color var(--dur-fast) ease;
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--color-acento);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease-premium);
}
.nav__list a:hover { opacity: 1; color: var(--color-principal); }
.nav__list a:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

.lang { display: inline-flex; align-items: center; gap: 6px; }
.lang__btn {
  background: none;
  border: none;
  padding: 8px 4px;
  min-width: 30px;
  min-height: 34px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-texto);
  opacity: 0.5;
  cursor: pointer;
  border-radius: 6px;
  transition: opacity var(--dur-fast) ease, color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-bounce);
}
.lang__btn:hover { opacity: 0.9; transform: translateY(-1px); }
.lang__btn[aria-pressed="true"] { opacity: 1; color: var(--color-acento); }
.lang__sep { opacity: 0.3; font-size: 12px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle__bars { display: grid; gap: 4px; }
.nav-toggle__bars span {
  display: block; width: 18px; height: 2px;
  background: var(--color-principal);
  transition: transform var(--dur-fast) var(--ease-premium), opacity var(--dur-fast) ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  border-top: 1.5px solid rgba(7, 58, 124, 0.14);
  padding: 18px clamp(20px, 5vw, 64px) 28px;
  background: var(--color-header);
}
.mobile-nav ul { display: grid; gap: 4px; margin-bottom: 18px; }
.mobile-nav a {
  display: block;
  padding: 12px 4px;
  color: var(--color-texto);
  font-weight: 500;
  border-bottom: 1px solid rgba(7, 58, 124, 0.1);
}
.mobile-nav .btn { width: 100%; }

/* ----------------------------- Hero ----------------------------- */
.hero {
  position: relative;
  overflow: clip;
  background: var(--color-surface);
  padding-block: clamp(52px, 9vw, 104px);
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(36px, 6vw, 64px);
  align-items: center;
}
@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1.05fr 0.95fr; }
}
.hero__subtitle {
  font-size: clamp(17px, 2vw, 20px);
  opacity: 0.85;
  margin-top: 20px;
  max-width: 34ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 4px; }

/* Chips - replace bullet/check lists everywhere */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 28px;
}
.chips li {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-principal);
  padding: 8px 15px 8px 28px;
  position: relative;
  border: 1.5px solid var(--color-principal);
  border-radius: 999px;
  background: var(--color-sky-tint);
}
.chips li::before {
  content: "";
  position: absolute;
  left: 13px; top: 50%;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--color-detalle);
  transform: translateY(-50%) rotate(45deg);
}
.chips--center { justify-content: center; margin: 22px 0 0; }

/* Hero decoration - chat bubbles + sun */
.hero__deco {
  position: relative;
  display: grid;
  align-content: center;
  justify-items: stretch;
  padding-block: 18px;
}
@media (min-width: 900px) {
  .hero__deco { min-height: 320px; padding-block: 0; }
}
.chat {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
  max-width: 380px;
  margin-inline: auto;
}
.chat__bubble {
  --pop-delay: 0s;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.3vw, 21px);
  font-weight: 500;
  line-height: 1.3;
  padding: 14px 20px;
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-bubble);
  background: var(--color-surface);
  box-shadow: 0 8px 22px rgba(7, 58, 124, 0.1);
  opacity: 0;
  transform: scale(0.7) translateY(10px);
}
.chat__bubble:nth-child(1) { --pop-delay: 0.15s; }
.chat__bubble:nth-child(2) { --pop-delay: 0.5s; }
.chat__bubble:nth-child(3) { --pop-delay: 0.85s; }
.is-in .chat__bubble {
  animation:
    bubble-pop 0.55s var(--ease-bounce) var(--pop-delay) both,
    bob 5.4s ease-in-out calc(var(--pop-delay) + 1s) infinite;
}
.is-in .chat__bubble:nth-child(2) { animation-duration: 0.55s, 6.2s; }
.is-in .chat__bubble:nth-child(3) { animation-duration: 0.55s, 5s; }
.chat__bubble--in {
  justify-self: start;
  border-bottom-left-radius: 6px;
  color: var(--color-principal);
}
.chat__bubble--out {
  justify-self: end;
  border-bottom-right-radius: 6px;
  background: var(--color-detalle);
  border-color: var(--color-principal);
  color: var(--color-texto);
}

/* Sol de Mayo */
.sol {
  position: absolute;
  top: -46px; right: 6px;
  width: clamp(120px, 15vw, 172px);
  aspect-ratio: 1;
  z-index: 1;
  pointer-events: none;
}
.sol::before,
.sol::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
}
.sol::before {
  background: repeating-conic-gradient(var(--color-detalle) 0deg 7deg, transparent 7deg 21deg);
  -webkit-mask: radial-gradient(circle, transparent 32%, #000 33%);
          mask: radial-gradient(circle, transparent 32%, #000 33%);
  animation: spin 44s linear infinite;
}
.sol::after {
  inset: 28%;
  background: var(--color-detalle);
  box-shadow: 0 0 0 4px var(--color-surface), 0 0 0 6px rgba(7, 58, 124, 0.25);
}
.sol--ambient {
  position: absolute;
  top: -60px; left: -70px;
  right: auto;
  width: clamp(180px, 30vw, 320px);
  opacity: 0.5;
  z-index: 0;
}

.hero__blob {
  position: absolute;
  border-radius: 46% 54% 60% 40% / 52% 48% 52% 48%;
  z-index: 0;
  pointer-events: none;
}
.hero__blob--1 { width: 120px; height: 120px; left: -30px; bottom: 10px; background: rgba(58, 155, 222, 0.22); animation: drift 14s ease-in-out infinite; }
.hero__blob--2 { width: 72px; height: 72px; right: 12%; bottom: -10px; background: rgba(255, 122, 61, 0.22); animation: drift 12s ease-in-out infinite reverse; }
.hero__blob--3 { width: 140px; height: 140px; right: -40px; top: 20px; background: rgba(58, 155, 222, 0.16); animation: drift 16s ease-in-out infinite; }

/* ----------------------------- Grid + cards ----------------------------- */
.grid {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 640px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.card {
  background: var(--color-surface);
  border: var(--border);
  border-radius: var(--radius-card);
  padding: clamp(28px, 3vw, 40px) clamp(24px, 2.4vw, 34px);
  box-shadow: 0 1px 2px rgba(7, 58, 124, 0.04);
  transition:
    transform var(--dur-move) var(--ease-bounce),
    border-color var(--dur-fast) ease,
    box-shadow var(--dur-fast) ease,
    background-color var(--dur-fast) ease;
}
.card:hover {
  transform: translateY(-8px) rotate(-1.4deg);
  border-color: var(--color-acento);
  box-shadow: 0 20px 42px rgba(7, 58, 124, 0.14);
  background-color: rgba(58, 155, 222, 0.05);
}
.card:nth-child(even):hover { transform: translateY(-8px) rotate(1.4deg); }
.section--surface .card { background: var(--color-bg); }

.card__tag {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-acento);
  margin-bottom: 12px;
}
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15px; opacity: 0.82; }
.card__title { color: var(--color-principal); font-weight: 600; font-size: 18px; margin-bottom: 10px; }

/* ----------------------------- The idea (band) ----------------------------- */
.band { background: var(--color-sky-tint); }
.band__inner { text-align: center; }
.band__inner .eyebrow { margin-bottom: 18px; }
.band__text {
  margin-top: 16px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.4;
  color: var(--color-principal);
}

/* ----------------------------- Steps (real sequence) ----------------------------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 620px) {
  .steps { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
}
.step {
  border-top: 2px solid var(--color-celeste);
  padding-top: 16px;
}
.step__index {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1;
  color: var(--color-acento);
}
.step__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  color: var(--color-principal);
  margin: 10px 0 6px;
}
.step__text { font-size: 14px; opacity: 0.78; margin: 0; }

/* ----------------------------- Quotes / notes ----------------------------- */
.pull-quote {
  max-width: 640px;
  margin: clamp(40px, 6vw, 64px) auto 0;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(20px, 2.8vw, 26px);
  font-weight: 500;
  color: var(--color-principal);
  line-height: 1.35;
  padding: clamp(24px, 4vw, 36px) clamp(24px, 5vw, 44px) 0;
  position: relative;
}
.pull-quote::before {
  content: "“";
  font-family: var(--font-display);
  font-size: 3em;
  line-height: 0.6;
  color: var(--color-acento);
  display: block;
  margin-bottom: 8px;
}
.note-line {
  max-width: 620px;
  margin: clamp(32px, 5vw, 48px) auto 0;
  text-align: center;
  font-size: 15px;
  opacity: 0.78;
}

/* ----------------------------- Levels (accordion) ----------------------------- */
.levels {
  display: grid;
  gap: 16px;
  max-width: 900px;
  margin-inline: auto;
}
.level {
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-fast) var(--ease-bounce);
}
.level:hover { transform: translateX(4px); }
.level.is-open {
  border-color: var(--color-acento);
  box-shadow: 0 16px 36px rgba(7, 58, 124, 0.12);
  transform: none;
}
.level__header {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: clamp(18px, 3vw, 26px) clamp(18px, 3vw, 30px);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
}
/* Speech-bubble animal badge - thumbnail of the level's animal */
.level__badge {
  width: 46px; height: 46px;
  flex-shrink: 0;
  align-self: start;
  object-fit: cover;
  background: var(--color-sky-tint);
  border: 1.5px solid var(--color-principal);
  border-radius: 50% 50% 50% 6px;
  transition: transform var(--dur-fast) var(--ease-bounce), border-color var(--dur-fast) ease;
}
.level.is-open .level__badge {
  border-color: var(--color-acento);
  animation: badge-pop 0.5s var(--ease-bounce);
}
.level__info { display: grid; gap: 3px; align-content: center; }
.level__animal {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 600;
  color: var(--color-principal);
}
.level__range {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-celeste);
}
.level__title { font-size: 15px; opacity: 0.8; }
.level__icon {
  position: relative;
  width: 30px; height: 30px;
  flex-shrink: 0;
  align-self: start;
  transition: transform var(--dur-fast) var(--ease-bounce);
}
.level__icon::before,
.level__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: var(--color-principal);
  transform: translate(-50%, -50%);
}
.level__icon::before { width: 14px; height: 2px; }
.level__icon::after { width: 2px; height: 14px; }
.level.is-open .level__icon { transform: rotate(135deg); }
.level.is-open .level__icon::before,
.level.is-open .level__icon::after { background: var(--color-acento); }

.level__panel {
  padding: 0 clamp(18px, 3vw, 30px);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-move) var(--ease-premium);
}
.level__panel-inner {
  padding: 4px 0 clamp(24px, 3vw, 32px);
  border-top: 1.5px dashed rgba(7, 58, 124, 0.25);
}
.level__img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center 32%;
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-card);
  margin: 20px 0 4px;
}
@media (min-width: 720px) {
  .level__img { aspect-ratio: 21 / 9; }
}
.level__concept { opacity: 0.85; font-size: 15px; padding-top: 16px; }
.level__learn-label,
.level__goal-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-celeste);
  margin: 22px 0 12px;
}
.level__learn { display: grid; gap: 9px; }
.level__learn li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  opacity: 0.88;
}
.level__learn li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 9px; height: 9px;
  border-radius: 3px 3px 3px 1px;
  background: var(--color-detalle);
}
.level__goal {
  margin-top: 6px;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  color: var(--color-principal);
}

/* ----------------------------- About ----------------------------- */
.about {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
@media (min-width: 900px) {
  .about { grid-template-columns: 0.85fr 1.15fr; }
}
.about__deco { display: grid; place-items: center; }
.bubble-card {
  display: grid;
  gap: 4px;
  text-align: center;
  padding: clamp(32px, 5vw, 52px) clamp(28px, 4vw, 44px);
  background: var(--color-detalle);
  border: 2px solid var(--color-principal);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 8px;
  box-shadow: 0 16px 38px rgba(7, 58, 124, 0.16);
  transform: rotate(-2deg);
  transition: transform var(--dur-fast) var(--ease-bounce);
}
.about__deco:hover .bubble-card { transform: rotate(2deg) scale(1.02); }
.bubble-card__hi {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 26px);
  color: var(--color-principal);
}
.bubble-card__big {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  color: var(--color-principal);
}
.about__core {
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 500;
  color: var(--color-principal);
  line-height: 1.4;
}
#about-paras { margin-top: 14px; }
#about-paras p { opacity: 0.85; }

/* ----------------------------- Carousel ----------------------------- */
.carousel {
  position: relative;
  max-width: 820px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(8px, 2vw, 20px);
}
.carousel__viewport { overflow: hidden; min-width: 0; }
.carousel__track {
  display: flex;
  transition: transform var(--dur-move) var(--ease-premium);
}
.carousel__slide { flex: 0 0 100%; min-width: 0; padding: 4px; display: flex; }
.carousel__slide > .testimonial { flex: 1; }
.testimonial {
  position: relative;
  background: var(--color-bg);
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 8px;
  padding: clamp(30px, 4vw, 44px);
  box-shadow: 0 10px 30px rgba(7, 58, 124, 0.08);
}
.section--surface .testimonial { background: var(--color-bg); }
.testimonial::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  right: 22px;
  font-family: var(--font-display);
  font-size: 68px;
  line-height: 1;
  color: var(--color-celeste);
  opacity: 0.35;
}
.testimonial__tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-acento);
  border: 1px solid rgba(255, 122, 61, 0.4);
  border-radius: 999px;
  padding: 4px 10px;
  margin-bottom: 18px;
}
.testimonial__text {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.3vw, 21px);
  line-height: 1.45;
  color: var(--color-principal);
  font-weight: 500;
}
.testimonial__meta { margin-top: 20px; font-size: 14px; }
.testimonial__name { font-weight: 600; color: var(--color-texto); }
.testimonial__sub { opacity: 0.7; }

.carousel__arrow {
  width: 46px; height: 46px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--color-surface);
  border: 1.5px solid var(--color-principal);
  border-radius: 50%;
  color: var(--color-principal);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-bounce), border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
.section--surface .carousel__arrow { background: var(--color-bg); }
.carousel__arrow:hover { transform: scale(1.1) rotate(-6deg); border-color: var(--color-acento); color: var(--color-acento); }
.carousel__dots {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}
.carousel__dot {
  width: 12px; height: 12px;
  min-width: 12px;
  padding: 0;
  border-radius: 50%;
  border: 1.5px solid var(--color-principal);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--dur-fast) ease, transform var(--dur-fast) var(--ease-bounce);
}
.carousel__dot:hover { transform: scale(1.25); }
.carousel__dot[aria-selected="true"] { background: var(--color-detalle); border-color: var(--color-detalle); transform: scale(1.15); }

@media (max-width: 620px) {
  .carousel { grid-template-columns: 1fr; gap: 0; }
  .carousel__viewport { grid-row: 1; grid-column: 1; }
  .carousel__arrow { display: none; }
  .carousel__dots { grid-row: 2; grid-column: 1; margin-top: 22px; }
  .carousel__dot { width: 10px; height: 10px; min-width: 10px; margin: 6px; } /* ~44px tap target via margin */
  .testimonial { padding: 26px 22px; }
  .testimonial__tag { font-size: 10px; letter-spacing: 0.06em; }
  .testimonial::before { font-size: 46px; right: 16px; top: 4px; }
}

/* ----------------------------- FAQ ----------------------------- */
.faq { display: grid; gap: 12px; }
.faq__item {
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-card);
  background: var(--color-bg);
  overflow: hidden;
  transition: border-color var(--dur-fast) ease;
}
.section--surface .faq__item { background: var(--color-surface); }
.faq__item.is-open { border-color: var(--color-acento); }
.faq__q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: clamp(16px, 2.6vw, 22px) clamp(18px, 3vw, 26px);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: clamp(15px, 1.8vw, 17px);
  font-weight: 600;
  color: var(--color-principal);
}
.faq__q-icon { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.faq__q-icon::before,
.faq__q-icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: var(--color-celeste);
  transform: translate(-50%, -50%);
}
.faq__q-icon::before { width: 12px; height: 2px; }
.faq__q-icon::after { width: 2px; height: 12px; transition: transform var(--dur-fast) var(--ease-bounce); }
.faq__item.is-open .faq__q-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item.is-open .faq__q-icon::before,
.faq__item.is-open .faq__q-icon::after { background: var(--color-acento); }

.faq__a { max-height: 0; overflow: hidden; transition: max-height var(--dur-move) var(--ease-premium); }
.faq__a-inner {
  padding: 0 clamp(18px, 3vw, 26px) clamp(18px, 2.6vw, 24px);
  font-size: 15px;
  opacity: 0.85;
  white-space: pre-line;
}

/* ----------------------------- Final CTA ----------------------------- */
.final-cta { background: var(--color-principal); overflow: clip; }
.final-cta .sol--ambient { opacity: 1; top: -70px; left: -80px; width: clamp(170px, 26vw, 280px); }
.final-cta .hero__blob--3 { background: rgba(255, 255, 255, 0.12); }
.final-cta__panel {
  position: relative;
  z-index: 1;
  text-align: center;
  border: 2px solid var(--color-principal);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 10px;
  background: var(--color-surface);
  box-shadow: 0 24px 60px rgba(7, 58, 124, 0.28);
  padding: clamp(36px, 6vw, 64px) clamp(24px, 5vw, 56px);
}
.final-cta__panel h2 { margin-bottom: 14px; }
.final-cta__text { font-size: clamp(15px, 1.9vw, 18px); opacity: 0.85; max-width: 46ch; margin: 0 auto; }
.final-cta__note {
  margin-top: 20px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(13px, 1.7vw, 15px);
  color: var(--color-acento);
}

/* ----------------------------- Contact form ----------------------------- */
.contact-form {
  margin-top: clamp(24px, 4vw, 34px);
  text-align: left;
  display: grid;
  gap: 16px;
}
.contact-form__honey { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-form__row { display: grid; gap: 16px; }
@media (min-width: 560px) {
  .contact-form__row { grid-template-columns: 1fr 1fr; }
}
.field { display: grid; gap: 6px; }
.field > label:not(.check) {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secundario);
}
.field__optional {
  margin-left: 6px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  opacity: 0.7;
}
.field input:not([type="checkbox"]),
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  color: var(--color-texto);
  background: var(--color-bg);
  border: 1.5px solid var(--color-principal);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  transition: border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, background-color var(--dur-fast) ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:not([type="checkbox"]):focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-celeste);
  background: var(--color-surface);
  box-shadow: 0 0 0 3px rgba(58, 155, 222, 0.22);
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--color-detalle);
  outline-offset: 2px;
}
.field [aria-invalid="true"] { border-color: var(--color-acento); }
.field__error { font-size: 13px; color: var(--color-acento); font-weight: 500; }

/* Privacy checkbox */
.field--check { gap: 8px; }
.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-texto);
  cursor: pointer;
}
.check input[type="checkbox"] {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin: 1px 0 0;
  accent-color: var(--color-principal);
  cursor: pointer;
}
.check input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-detalle);
  outline-offset: 2px;
}
.check a {
  color: var(--color-principal);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.check a:hover { color: var(--color-acento); }
.field--check [aria-invalid="true"] { outline: 2px solid var(--color-acento); outline-offset: 2px; }
.contact-form__submit { width: 100%; margin-top: 2px; }
.contact-form__submit:disabled { opacity: 0.65; cursor: progress; }
.contact-form__status {
  margin: 4px 0 0;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  border: 1.5px solid var(--color-principal);
}
.contact-form__status.is-success {
  background: var(--color-sky-tint);
  border-color: var(--color-principal);
  color: var(--color-principal);
}
.contact-form__status.is-error {
  background: rgba(255, 122, 61, 0.1);
  border-color: var(--color-acento);
  color: var(--color-acento);
}

.final-cta__contact {
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 22px;
}
.wa-link,
.mail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 6px;
  border-radius: 8px;
}
.wa-link { color: #128c3e; }
.mail-link { color: var(--color-principal); }
.wa-link:hover,
.mail-link:hover { text-decoration: underline; }
.wa-link__icon,
.mail-link__icon { flex-shrink: 0; }

/* ----------------------------- WhatsApp floating button ----------------------------- */
.wa-fab {
  position: fixed;
  right: clamp(16px, 4vw, 28px);
  bottom: clamp(16px, 4vw, 28px);
  z-index: 95;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 10px 26px rgba(7, 58, 124, 0.3);
  transition: transform var(--dur-fast) var(--ease-bounce), box-shadow var(--dur-fast) ease, opacity var(--dur-move) var(--ease-premium);
}
.wa-fab:hover { transform: scale(1.08) rotate(-4deg); box-shadow: 0 16px 34px rgba(18, 140, 62, 0.4); }
.wa-fab:active { transform: scale(0.97); }
.wa-fab:focus-visible { outline: 2px solid var(--color-detalle); outline-offset: 3px; }
.wa-fab.is-hidden { opacity: 0; pointer-events: none; transform: translateY(12px) scale(0.9); }
@media (max-width: 480px) {
  .wa-fab { width: 50px; height: 50px; }
  .wa-fab svg { width: 26px; height: 26px; }
}

/* ----------------------------- Footer ----------------------------- */
.site-footer {
  background: var(--color-header);
  border-top: 1.5px solid rgba(7, 58, 124, 0.14);
  padding-block: clamp(40px, 6vw, 64px) 24px;
}
.footer__inner { display: grid; gap: clamp(28px, 5vw, 48px); }
@media (min-width: 720px) {
  .footer__inner { grid-template-columns: 1.4fr 1fr 1fr; }
}
.brand--footer { font-size: 20px; }
.footer__desc { margin-top: 14px; font-size: 14px; opacity: 0.8; max-width: 32ch; }
.footer__heading {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-principal);
  margin-bottom: 14px;
}
.footer__heading--spaced { margin-top: 26px; }
.footer__nav ul { display: grid; gap: 8px; }
.footer__nav a { color: var(--color-texto); opacity: 0.8; font-size: 14px; }
.footer__nav a:hover { opacity: 1; color: var(--color-principal); }
.lang--footer { margin-bottom: 4px; }
.footer__bottom {
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: 20px;
  border-top: 1px solid rgba(7, 58, 124, 0.14);
  font-size: 13px;
  opacity: 0.7;
}

/* ----------------------------- Reveal animation ----------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px) scale(0.98);
  transition:
    opacity var(--dur-move) var(--ease-premium),
    transform var(--dur-move) var(--ease-bounce);
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal].is-in:nth-child(2) { transition-delay: 90ms; }
[data-reveal].is-in:nth-child(3) { transition-delay: 180ms; }
[data-reveal].is-in:nth-child(4) { transition-delay: 270ms; }

.grid > .card,
#levels-list > .level,
#faq-list > .faq__item {
  opacity: 0;
  transform: translateY(26px) scale(0.97);
  transition:
    opacity var(--dur-move) var(--ease-premium),
    transform var(--dur-move) var(--ease-bounce);
}
.grid > .card.is-in,
#levels-list > .level.is-in,
#faq-list > .faq__item.is-in {
  opacity: 1;
  transform: none;
}
.grid > .card:nth-child(2) { transition-delay: 90ms; }
.grid > .card:nth-child(3) { transition-delay: 180ms; }
.grid > .card:nth-child(4) { transition-delay: 270ms; }

/* ----------------------------- Keyframes ----------------------------- */
@keyframes bubble-pop {
  0%   { opacity: 0; transform: scale(0.7) translateY(10px); }
  70%  { opacity: 1; transform: scale(1.04) translateY(0); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-7px); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes drift {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33%      { transform: translate(14px, -12px) rotate(8deg); }
  66%      { transform: translate(-10px, 8px) rotate(-6deg); }
}
@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25%      { transform: rotate(-9deg); }
  60%      { transform: rotate(7deg); }
}
@keyframes badge-pop {
  0%   { transform: scale(1); }
  45%  { transform: scale(1.18) rotate(-6deg); }
  100% { transform: scale(1) rotate(0deg); }
}

/* ----------------------------- Responsive nav ----------------------------- */
@media (max-width: 1000px) {
  .nav, .header__cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .header__inner { justify-content: space-between; }
  .brand { margin-right: auto; }
}
@media (min-width: 1001px) {
  .mobile-nav { display: none !important; }
}

/* Compact header on small phones */
@media (max-width: 470px) {
  .header__inner { gap: 10px; }
  .header__actions { gap: 8px; }
  .brand { font-size: 16px; gap: 8px; }
  .brand__mark { width: 34px; height: 34px; }
  .lang { gap: 3px; }
  .lang__btn { min-width: 24px; padding: 8px 2px; font-size: 12px; }
  .hero .eyebrow { font-size: 11px; letter-spacing: 0.12em; }
}

/* ----------------------------- Reduced motion ----------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal],
  .grid > .card,
  #levels-list > .level,
  #faq-list > .faq__item,
  .chat__bubble {
    opacity: 1 !important;
    transform: none !important;
  }
  .sol::before { animation: none !important; }
  .hero__blob { animation: none !important; }
  .bubble-card { transform: rotate(-2deg) !important; }
}