:root {
  --cream: #F7F2E9;
  --cream-soft: #FBF8F2;
  --ink: #2C2A22;
  --ink-soft: #55503F;
  --sage: #6E7F5C;
  --sage-dark: #4C5A3E;
  --terracotta: #C1704A;
  --line: rgba(44,42,34,0.12);
  --serif: 'Fraunces', serif;
  --sans: 'Work Sans', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  margin: 0;
  line-height: 1.1;
}

p { margin: 0; }

.eyebrow {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage-dark);
  margin-bottom: 0.75rem;
  display: block;
}

.eyebrow.center { text-align: center; }
h2.center { text-align: center; margin: 0 auto 3.5rem; max-width: 640px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.3rem 5%;
  background: rgba(247,242,233,0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }

.logo {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-suffix {
  font-size: 1.25rem;
  font-weight: 500;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.7rem;
  font-size: 0.92rem;
}
.nav a { white-space: nowrap; flex-shrink: 0; }

.nav a { position: relative; padding: 0.2rem 0; }
.nav a:not(.nav-portal)::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--sage-dark);
  transition: width .25s;
}
.nav a:not(.nav-portal):hover::after { width: 100%; }

.nav a.nav-portal,
.nav a.nav-ebooks {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  line-height: 1;
  white-space: nowrap;
}

.nav-portal {
  background: var(--sage-dark);
  color: var(--cream-soft);
}

.nav-ebooks {
  border: 1px solid var(--line);
}
.nav-ebooks:hover { border-color: var(--sage-dark); }
.nav-ebooks::after { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
  display: block;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 8rem 5% 4rem;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(110,127,92,0.14), transparent 55%),
    var(--cream);
}

.hero-content { max-width: 720px; }

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  letter-spacing: -0.01em;
  margin: 0.5rem 0 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 520px;
  margin-bottom: 2.3rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-actions.center { justify-content: center; }

.btn {
  display: inline-block;
  padding: 0.95rem 1.9rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: transform .2s, background .2s, color .2s;
}
.btn-primary {
  background: var(--sage-dark);
  color: var(--cream-soft);
}
.btn-primary:hover { background: var(--ink); transform: translateY(-2px); }
.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* ---------- Intro / Resumen ---------- */
.intro {
  padding: 6rem 5%;
  background: var(--cream-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.intro-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.intro-grid p {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink);
}

/* ---------- Historia ---------- */
.historia {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  padding: 7rem 5%;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}
.media-frame {
  aspect-ratio: 4/5;
  background: linear-gradient(150deg, var(--sage) 0%, var(--sage-dark) 100%);
  border-radius: 4px;
  position: sticky;
  top: 8rem;
  overflow: hidden;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}
.historia .eyebrow-lg {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  letter-spacing: 0.01em;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 2rem;
}
.historia-copy p {
  margin-bottom: 1.3rem;
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 560px;
}

/* ---------- Servicios ---------- */
.servicios {
  padding: 7rem 5%;
  background: var(--sage-dark);
  color: var(--cream-soft);
}
.servicios .eyebrow { color: var(--sage); }
.servicios h2.center { color: var(--cream-soft); }

.servicios-carousel {
  max-width: 1100px;
  margin: 3.5rem auto 0;
}
.servicios .carousel-dots { margin-top: 2.2rem; }
.servicios .carousel-dot { background: rgba(247,242,233,0.25); }
.servicios .carousel-dot.is-active { background: var(--cream-soft); }
.servicios .carousel-btn {
  background: transparent;
  border-color: rgba(247,242,233,0.3);
  color: var(--cream-soft);
}
.servicios .carousel-btn:hover { background: var(--cream-soft); color: var(--sage-dark); border-color: var(--cream-soft); }

.servicios-page {
  flex: 0 0 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  padding: 0 0.5rem;
  box-sizing: border-box;
}
.servicio-card {
  padding: 2.2rem 1.8rem;
  border: 1px solid rgba(247,242,233,0.18);
  border-radius: 6px;
}
.servicio-num {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: rgba(247,242,233,0.55);
}
.servicio-card h3 {
  color: var(--cream-soft);
  font-size: 1.3rem;
  margin: 0.8rem 0 0.9rem;
}
.servicio-card p {
  color: rgba(247,242,233,0.78);
  font-size: 0.98rem;
}

/* ---------- eBooks ---------- */
.ebooks {
  padding: 7rem 5%;
  background: var(--cream-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.ebooks-grid {
  max-width: 900px;
  margin: 3.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.ebook-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(44,42,34,0.05);
  padding: 2.8rem 2.4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ebook-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.9rem;
}
.ebook-card > p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.ebook-card .btn { width: 100%; }

.ebook-alt-label {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  opacity: 0.7;
  margin: 1.8rem 0 0.9rem;
}

.ebook-alt-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
}
.ebook-alt-links a {
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line);
}
.ebook-alt-links a:hover { color: var(--sage-dark); text-decoration-color: var(--sage-dark); }

/* ---------- Testimonios ---------- */
.testimonios {
  padding: 7rem 5% 5rem;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.testimonios .eyebrow {
  margin-bottom: 3rem;
}

.carousel {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.carousel-viewport {
  overflow: hidden;
  flex: 1;
  transition: height .4s ease;
}

.carousel-track {
  display: flex;
  align-items: flex-start;
  transition: transform .5s ease;
}

.testimonio-slide {
  flex: 0 0 100%;
  min-width: 0;
  padding: 0 1.5rem;
}

.testimonio-quote {
  font-family: var(--serif);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.55;
}
.testimonio-autor {
  margin-top: 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage-dark);
}

.carousel-btn {
  flex: 0 0 auto;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--cream-soft);
  color: var(--ink);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.carousel-btn:hover { background: var(--sage-dark); color: var(--cream-soft); border-color: var(--sage-dark); }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 2.2rem;
}
.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--line);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .2s, transform .2s;
}
.carousel-dot.is-active {
  background: var(--sage-dark);
  transform: scale(1.3);
}

@media (max-width: 640px) {
  .carousel-btn { width: 36px; height: 36px; font-size: 1.2rem; }
  .testimonio-slide { padding: 0 0.5rem; }
}

/* ---------- CTA final ---------- */
.cta-final {
  padding: 6rem 5% 8rem;
  text-align: center;
}
.cta-final h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  max-width: 620px;
  margin: 0 auto 2.2rem;
}

/* ---------- Footer / Contacto ---------- */
.contacto {
  background: var(--ink);
  color: rgba(247,242,233,0.85);
  padding: 4.5rem 5% 2rem;
}
.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(247,242,233,0.15);
}
.footer-name {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--cream-soft);
  margin-bottom: 0.4rem;
}
.footer-reg { font-size: 0.82rem; color: rgba(247,242,233,0.55); }
.footer-grid a:hover { color: var(--sage); }
.footer-grid p { margin-bottom: 0.6rem; font-size: 0.95rem; }
.footer-copy {
  max-width: 1100px;
  margin: 2rem auto 0;
  font-size: 0.8rem;
  color: rgba(247,242,233,0.45);
}

/* ---------- WhatsApp float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  width: 56px; height: 56px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  z-index: 90;
  transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.08); }

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav { display: none; }
  .nav.nav-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--cream-soft);
    padding: 1.5rem 6%;
    gap: 1.2rem;
    border-bottom: 1px solid var(--line);
  }
  .nav-toggle { display: flex; }
  .intro-grid { grid-template-columns: 1fr; gap: 2rem; }
  .historia { grid-template-columns: 1fr; }
  .media-frame { position: static; aspect-ratio: 4/5; }
  .servicios-page { grid-template-columns: 1fr; gap: 1.5rem; }
  .ebooks-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .hero { padding-top: 7rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .logo { font-size: 1.05rem; }
  .logo-suffix { font-size: 0.8rem; }
}

@media (max-width: 360px) {
  .logo { font-size: 0.92rem; }
  .logo-suffix { font-size: 0.7rem; }
}