/* ============================================================
   C.U.I.D.A. — Landing page
   Paleta derivada del degradé navy → verde-azulado del logo.
   Tipografía: Fraunces (títulos, cálida/serif) + Nunito Sans (cuerpo).
   ============================================================ */

:root {
  /* Color — extraído del logo, nada añadido fuera de esa familia */
  --navy: #0e3a63;
  --navy-mid: #1f5e88;
  --navy-deep: #082645;
  --teal: #3fa88c;
  --teal-btn: #2c8a73;
  --teal-deep: #21705d;
  --mint: #e6f3ee;
  --mint-soft: #f1f8f5;
  --cream: #faf7f1;
  --ink: #1e2a33;
  --slate: #5c7284;
  --line: #dfe6e2;
  --white: #ffffff;

  /* Tipografía */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "Nunito Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Espaciado / escala fluida */
  --space-section: clamp(4rem, 3rem + 4vw, 7.5rem);
  --container: 1160px;

  --shadow-soft: 0 20px 45px -25px rgba(14, 58, 99, 0.35);
  --shadow-card: 0 12px 30px -18px rgba(14, 58, 99, 0.28);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  /* El header es fijo: deja aire para que el título de cada sección no quede tapado. */
  scroll-padding-top: 5rem;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

/* Los iconos son <span>: sin display de bloque, el ancho/alto se ignora
   y el SVG interno crece hasta desbordar la tarjeta. */
.icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.icon svg { display: block; width: 100%; height: 100%; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--navy);
  margin: 0;
  font-weight: 560;
  letter-spacing: -0.01em;
  line-height: 1.12;
}

p { margin: 0; }

a { color: inherit; }

:focus-visible {
  outline: 2.5px solid var(--teal-btn);
  outline-offset: 3px;
  border-radius: 4px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-deep);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1.5px;
  background: var(--teal);
  display: inline-block;
}
/* Fuera de .section-head el título quedaba pegado al eyebrow. */
.eyebrow + h2 { margin-top: 0.9rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 0.85em 1.7em;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}
.btn-primary {
  background: var(--teal-btn);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--teal-deep); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--navy);
  border-color: rgba(14, 58, 99, 0.28);
}
.btn-ghost:hover { border-color: var(--navy); background: rgba(14, 58, 99, 0.05); }
.btn-on-dark {
  background: var(--teal);
  color: var(--navy-deep);
}
.btn-on-dark:hover { background: #58c1a3; transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 50;
  background: rgba(250, 247, 241, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: rgba(14, 58, 99, 0.08);
  box-shadow: 0 10px 30px -22px rgba(14, 58, 99, 0.55);
}
/* Hijo directo: el <ul class="container"> del menú móvil también matcheaba
   y heredaba el centrado y el padding de la barra. */
.site-header > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.brand img { width: 36px; height: auto; }
.brand span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
  color: var(--navy);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  position: relative;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--navy);
  opacity: 0.75;
  transition: opacity 0.2s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform 0.25s var(--ease);
}
.nav-links a:hover { opacity: 1; }
.nav-links a.is-active { opacity: 1; color: var(--teal-deep); }
.nav-links a.is-active::after { transform: scaleX(1); }
.mobile-menu a.is-active { color: var(--teal-deep); }

.nav-cta { display: flex; align-items: center; gap: 1.25rem; }
.nav-cta .btn { padding: 0.62em 1.3em; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  /* Mínimo táctil recomendado: 44px. */
  padding: 0.7rem;
  margin-right: -0.7rem;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.mobile-menu ul {
  list-style: none;
  margin: 0;
  /* Este <ul> también lleva .container, así que hereda el flex centrado del
     header. Sólo se toca el padding vertical para no perder el lateral. */
  padding-block: 0.6rem 1.6rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 0.25rem;
}
.mobile-menu a {
  display: block;
  /* Área táctil cómoda: el texto solo daba ~24px de alto. */
  padding-block: 0.7rem;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
}
.mobile-menu[hidden] { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(7.5rem, 6rem + 4vw, 10rem);
  padding-bottom: var(--space-section);
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-line {
  position: absolute;
  top: 8%;
  left: -5%;
  width: 110%;
  height: auto;
  opacity: 0.35;
  z-index: 0;
  color: var(--teal);
  /* Se desvanece sobre la columna de texto: el trazo cortaba el titular. */
  -webkit-mask-image: linear-gradient(90deg, transparent 32%, #000 58%);
  mask-image: linear-gradient(90deg, transparent 32%, #000 58%);
}
.hero-copy { position: relative; z-index: 1; }
.hero-copy .eyebrow { margin-bottom: 1.4rem; }
.hero h1 {
  font-size: clamp(2.3rem, 1.6rem + 3.2vw, 3.65rem);
  max-width: 15ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--teal-deep);
}
.hero-sub {
  margin-top: 1.4rem;
  max-width: 46ch;
  font-size: clamp(1.02rem, 0.96rem + 0.3vw, 1.15rem);
  color: var(--slate);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-blob {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.hero-blob::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 32% 28%, var(--mint) 0%, var(--mint-soft) 55%, transparent 78%);
  border-radius: 48% 52% 55% 45% / 55% 45% 55% 45%;
  animation: blob-float 12s var(--ease) infinite alternate;
}
@keyframes blob-float {
  from { border-radius: 48% 52% 55% 45% / 55% 45% 55% 45%; }
  to   { border-radius: 55% 45% 48% 52% / 45% 58% 42% 55%; }
}
.hero-blob img {
  position: relative;
  width: 66%;
  filter: drop-shadow(0 18px 30px rgba(14, 58, 99, 0.18));
}
.hero-blob .ring {
  position: absolute;
  border: 1.5px solid rgba(63, 168, 140, 0.35);
  border-radius: 50%;
  inset: -6%;
  animation: ring-pulse 4.5s var(--ease) infinite;
}
.hero-blob .ring.ring-2 { inset: -14%; animation-delay: 0.6s; opacity: 0.6; }
@keyframes ring-pulse {
  0% { transform: scale(0.92); opacity: 0.55; }
  70% { transform: scale(1.04); opacity: 0.1; }
  100% { transform: scale(1.06); opacity: 0; }
}

/* ---------- Franja de confianza ---------- */
.trust-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: clamp(2.4rem, 2rem + 2vw, 3.4rem);
}
.trust-strip .container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: baseline;
}
.trust-stat {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(2.6rem, 2rem + 2.5vw, 3.6rem);
  color: var(--teal-deep);
  line-height: 1;
  white-space: nowrap;
}
.trust-text {
  color: var(--navy);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.2rem);
  max-width: 62ch;
}
.trust-text small {
  display: block;
  margin-top: 0.5rem;
  color: var(--slate);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* ---------- Secciones generales ---------- */
section { padding-block: var(--space-section); }
.section-head { max-width: 44rem; margin-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem); }
.section-head h2 {
  margin-top: 0.9rem;
  font-size: clamp(1.8rem, 1.5rem + 1.5vw, 2.5rem);
}
.section-head p {
  margin-top: 1rem;
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 56ch;
}
.section-alt { background: var(--mint-soft); }

/* ---------- Qué detecta: grid ---------- */
.detect-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}
@media (min-width: 700px) {
  .detect-grid { grid-template-columns: repeat(3, 1fr); }
}
.detect-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.9rem 1.7rem;
  box-shadow: var(--shadow-card);
}
.detect-card .icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: var(--mint);
  color: var(--teal-deep);
  margin-bottom: 1.15rem;
}
.detect-card .icon svg { width: 28px; height: 28px; }
.detect-card h3 {
  font-size: 1.12rem;
  font-weight: 600;
}
.detect-card p {
  margin-top: 0.55rem;
  color: var(--slate);
  font-size: 0.95rem;
}
.detect-card.is-privacy {
  background: var(--navy);
  border-color: var(--navy);
}
.detect-card.is-privacy .icon { color: var(--teal); background: rgba(63, 168, 140, 0.16); }
.detect-card.is-privacy h3 { color: var(--white); }
.detect-card.is-privacy p { color: rgba(255,255,255,0.75); }

/* ---------- Cómo funciona ---------- */
.steps-wrap { position: relative; }
.steps-line {
  position: absolute;
  /* El trazo oscila alrededor del centro de su viewBox (30 de 60), así que
     hay que subirlo 30px para que cruce por el centro de los círculos (26px). */
  top: -4px;
  left: 0;
  width: 100%;
  height: 60px;
  color: var(--teal);
  opacity: 0.55;
  display: none;
  /* Difumina las puntas para que no aparezcan cortadas contra el borde. */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
@media (min-width: 900px) {
  .steps-line { display: block; }
}
.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
}
.step { position: relative; }
.step-index {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--white);
  border: 1.5px solid var(--teal);
  color: var(--teal-deep);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  display: grid;
  place-items: center;
  margin-bottom: 1.2rem;
  position: relative;
  z-index: 1;
}
.step h3 { font-size: 1.18rem; }
.step p { margin-top: 0.6rem; color: var(--slate); font-size: 0.97rem; }

/* ---------- Privacidad ---------- */
.privacy {
  background: linear-gradient(155deg, var(--navy-deep), var(--navy) 70%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.privacy .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.privacy-line {
  position: absolute;
  bottom: -10%;
  right: -8%;
  width: 70%;
  color: var(--teal);
  opacity: 0.18;
  z-index: 0;
}
.privacy h2 {
  color: var(--white);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.7rem);
}
.privacy p {
  margin-top: 1.2rem;
  color: rgba(255,255,255,0.8);
  font-size: 1.05rem;
  max-width: 52ch;
}
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.6rem;
  padding: 0.6em 1.1em;
  border-radius: 999px;
  background: rgba(63, 168, 140, 0.16);
  border: 1px solid rgba(63, 168, 140, 0.4);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--teal);
}
.privacy-badge svg { width: 16px; height: 16px; }

.privacy-points {
  display: flex;
  flex-direction: column;
  gap: 1.3rem;
}
.privacy-point {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.1rem 1.2rem;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
}
.privacy-point .icon { width: 22px; height: 22px; color: var(--teal); flex-shrink: 0; margin-top: 2px; }
.privacy-point p { color: rgba(255,255,255,0.85); font-size: 0.95rem; }
.privacy-point strong { color: var(--white); display: block; margin-bottom: 0.15rem; font-family: var(--font-display); font-weight: 600; }

/* ---------- Equipo ---------- */
.team {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}
.team-copy p { color: var(--slate); font-size: 1.02rem; max-width: 62ch; }
.team-copy h2 + p { margin-top: 1rem; }
.team-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
  list-style: none;
  padding: 0;
}
.team-list li {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--navy);
  background: var(--mint);
  border: 1px solid rgba(63,168,140,0.3);
  padding: 0.5em 1em;
  border-radius: 999px;
}
.team-footnote {
  margin-top: 1.6rem;
  font-size: 0.85rem;
  color: var(--slate);
}

/* ---------- Contacto ---------- */
.contact {
  text-align: center;
}
.contact .container { max-width: 720px; }
.contact h2 { font-size: clamp(1.9rem, 1.5rem + 1.8vw, 2.6rem); }
.contact p { margin-top: 1rem; color: var(--slate); font-size: 1.05rem; }
.contact-actions {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.6rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}
.footer-brand { display: flex; align-items: center; gap: 0.6rem; }
.footer-brand img { width: 26px; }
.footer-brand span { font-family: var(--font-display); font-weight: 600; color: var(--navy); }
.footer-meta { color: var(--slate); font-size: 0.85rem; text-align: right; }

/* ---------- Reveal on scroll ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero .container { grid-template-columns: 1fr; }
  .hero { padding-top: 6rem; }
  /* La onda queda como un fragmento suelto en pantallas angostas. */
  .hero-line { display: none; }
  .hero-visual { order: -1; }
  .hero-blob { width: min(70%, 300px); margin-inline: auto; }
  .trust-strip .container { grid-template-columns: 1fr; text-align: left; }
  .privacy .container { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 1.8rem; }
}

@media (max-width: 620px) {
  .detect-grid { grid-template-columns: 1fr; }
  /* El salto de línea del titular está pensado para 2 líneas anchas; en
     el celular parte la frase a la mitad. Que fluya con el ancho real. */
  .hero h1 br { display: none; }
  .hero h1 { max-width: none; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}

@media (max-width: 520px) {
  /* Marca + CTA + hamburguesa no entran juntos: el menú ya lleva "Contacto". */
  .nav-cta .btn { display: none; }
  .hero-actions .btn { width: 100%; }
}