/* ============================================================
   JAVIFINANCE — style.css
   Metodología: BEM + Custom Properties (variables de marca)
   Enfoque: Mobile-first, semántico, optimizado para SEO
   ============================================================ */

/* ── 1. TOKENS DE MARCA (Design Tokens) ── */
:root {
  /* Paleta */
  --color-bg:         #F7F4EF;
  --color-dark:       #1C1917;
  --color-gold:       #8C7549;
  --color-gold-light: #B8995E;
  --color-sand:       #D9CDBF;
  --color-stone:      #BFB4AA;
  --color-white:      #ffffff;
  --color-muted:      #6B6460;
  --color-green:      #3D7A5A;
  --color-green-lt:   #4E9970;
  --color-red:        #9B3A3A;

  /* Tipografía */
  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'DM Sans', sans-serif;
  --font-mono:   'Montserrat', sans-serif;

  /* Espaciado */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 7rem;

  /* Bordes */
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* Sombras */
  --shadow-sm: 0 2px 20px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 25px rgba(140, 117, 73, 0.3);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);

  /* Transiciones */
  --transition: 0.3s ease;
}

/* ── 2. RESET & BASE ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ── 3. NAVEGACIÓN (BEM: .nav) ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(140, 117, 73, 0.15);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.nav--scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.10);
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--color-dark);
  text-decoration: none;
}

.nav__logo-accent {
  color: var(--color-gold);
}

/* Lista de links — oculta en mobile */
.nav__links {
  display: none;
  gap: 2.5rem;
  align-items: center;
}

.nav__link {
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--transition);
}

.nav__link:hover {
  color: var(--color-gold);
}

/* Botón de idioma */
.nav__lang-btn {
  background: transparent;
  border: 1px solid var(--color-stone);
  color: var(--color-muted);
  padding: 6px 14px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  letter-spacing: 1px;
  transition: border-color var(--transition), color var(--transition);
  font-family: var(--font-sans);
}

.nav__lang-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 101;
}

.nav__hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__hamburger--open .nav__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger--open .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav__hamburger--open .nav__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menú móvil desplegado */
.nav__links--open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  gap: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(140, 117, 73, 0.15);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  padding: 0.5rem 0 1rem;
}

.nav__links--open .nav__link {
  display: block;
  width: 100%;
  padding: 0.75rem 5%;
  text-align: left;
}

.nav__links--open .nav__lang-btn {
  display: inline-block;
  width: auto;
  margin: 0.5rem 5%;
}

/* ── 4. HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  padding: 6rem 5% 0;
  gap: 2rem;
  position: relative;
  overflow: hidden;
}

.hero__text {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--color-dark);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.hero__title em {
  font-style: italic;
  color: var(--color-gold);
}

.hero__subtitle {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 420px;
  margin-bottom: 2.5rem;
  font-weight: 300;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.8s;
}

/* Imagen */
.hero__image-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 70vw;
  max-height: 420px;
  opacity: 0;
  animation: fadeIn 1s ease forwards 0.5s;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: block;
}

.hero__photo-placeholder {
  width: 100%;
  height: 100%;
  max-width: 100%;
  background: linear-gradient(170deg, var(--color-stone) 0%, var(--color-sand) 100%);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

/* Badge de estadística */
.hero__stat-badge {
  position: absolute;
  bottom: 0;
  left: 0;
  background: var(--color-dark);
  color: var(--color-white);
  padding: 1.2rem 1.8rem;
  border-radius: var(--radius-md);
}

.hero__stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--color-gold-light);
  display: block;
}

.hero__stat-label {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-stone);
}

/* ── 5. SECCIONES BASE ── */
.section {
  padding: 4rem 5%;
}

.section__label {
  font-size: 0.72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: var(--space-md);
}

/* ── 6. ABOUT ── */
.about {
  background: var(--color-white);
}

.about__content {
  max-width: 680px;
  margin: auto;
  text-align: center;
}

.about__text {
  color: var(--color-muted);
  font-weight: 300;
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

.about__credentials {
  display: inline-flex;
  flex-direction: column;
  text-align: left;
  margin: 2rem auto;
  gap: 0.8rem;
}

.about__credential {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.about__credential::before {
  content: '✦';
  color: var(--color-gold);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* ── 7. SERVICIOS ── */
.services {
  background: var(--color-bg);
}

.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Tarjeta de servicio */
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-sand);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.4s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::after {
  width: 100%;
}

.service-card__icon {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
  display: block;
}

.service-card__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.8rem;
}

.service-card__desc {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 300;
  margin-bottom: 1.8rem;
}

/* ── 8. RECURSOS ── */
.resources {
  background: #F0EBE1;
}

.resources__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Tarjeta de recurso */
.resource-card {
  background: var(--color-white);
  border: 1px solid var(--color-sand);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.resource-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-gold);
  transition: width 0.4s ease;
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(140, 117, 73, 0.12);
}

.resource-card:hover::after {
  width: 100%;
}

.resource-card__number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-gold);
  opacity: 0.35;
  font-weight: 300;
  line-height: 1;
  margin-bottom: 1.2rem;
}

.resource-card__title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-dark);
  margin-bottom: 0.7rem;
}

.resource-card__desc {
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 300;
  margin-bottom: 1.8rem;
  line-height: 1.6;
}

.resource-card__link {
  color: var(--color-gold);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(140, 117, 73, 0.4);
  padding-bottom: 2px;
  transition: color var(--transition), border-color var(--transition);
}

.resource-card__link:hover {
  color: var(--color-dark);
  border-color: var(--color-dark);
}

/* ── 9. TESTIMONIOS ── */
.testimonials {
  background: var(--color-white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

/* Tarjeta de testimonio */
.testimonial-card {
  border-left: 2px solid var(--color-gold);
  padding: 2rem 2rem 2rem 2.5rem;
  background: var(--color-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: transform var(--transition), box-shadow var(--transition);
}

.testimonial-card:hover {
  transform: translateX(4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

.testimonial-card__quote {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 300;
  font-style: italic;
  color: var(--color-dark);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-stone);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-dark);
}

.testimonial-card__detail {
  font-size: 0.75rem;
  color: var(--color-muted);
}

/* ── 10. CTA STRIP ── */
.cta-strip {
  background: var(--color-gold);
  padding: 4rem 5%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
}

.cta-strip__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 300;
  color: var(--color-white);
  max-width: 500px;
}

/* ── 11. FOOTER ── */
.footer {
  background: var(--color-dark);
  color: var(--color-stone);
  padding: 3rem 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.8rem;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-white);
}

.footer__copy {
  font-size: 0.8rem;
}

.footer__linkedin {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-stone);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.5px;
  transition: color var(--transition);
}

.footer__linkedin:hover {
  color: var(--color-white);
}

.footer__linkedin-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ── 12. COMPONENTES COMPARTIDOS (Botones, Animaciones) ── */

/* Botón principal oscuro */
.btn-primary {
  display: inline-block;
  background: var(--color-dark);
  color: var(--color-white);
  padding: 14px 32px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  font-family: var(--font-sans);
}

.btn-primary:hover {
  background: var(--color-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Botón fantasma (enlace subrayado) */
.btn-ghost {
  color: var(--color-gold);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-decoration: none;
  border-bottom: 1px solid var(--color-gold);
  padding-bottom: 2px;
  transition: opacity var(--transition);
}

.btn-ghost:hover {
  opacity: 0.7;
}

/* Botón blanco (sobre fondo gold) */
.btn-white {
  display: inline-block;
  background: var(--color-white);
  color: var(--color-gold);
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
  font-family: var(--font-sans);
}

.btn-white:hover {
  background: var(--color-dark);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ── 13. SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── 14. KEYFRAMES ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── 15. RESPONSIVE — Tablet (≥ 640px) ── */
@media (min-width: 640px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }

  .resources__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .cta-strip {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 5rem 6%;
  }
}

/* ── 16. RESPONSIVE — Desktop (≥ 1024px) ── */
@media (min-width: 1024px) {
  .nav {
    padding: 1.2rem 6%;
  }

  .nav__hamburger {
    display: none;
  }

  .nav__links {
    display: flex; /* siempre visible en desktop */
  }

  /* Hero de dos columnas */
  .hero {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 0 6%;
    gap: 4rem;
    min-height: 100vh;
  }

  .hero::before {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-sand) 0%, #E8DECE 100%);
    z-index: 0;
  }

  .hero__text {
    padding-top: 80px;
  }

  .hero__image-wrap {
    height: 100vh;
    max-height: none;
    padding-top: 80px;
    align-items: flex-end;
  }

  .hero__photo,
  .hero__photo-placeholder {
    width: 100%;
    max-width: 420px;
    height: 80vh;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }

  .hero__stat-badge {
    left: -20px;
    bottom: -1px;
  }

  /* Secciones con más padding */
  .section {
    padding: var(--space-2xl) 6%;
  }

  /* About centrado */
  .about.section {
    grid-template-columns: 1fr;
  }

  /* Recursos en 3 columnas */
  .resources__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Testimonios en 3 columnas */
  .testimonials__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}