/* =========================================================
   FARTECH — STYLESHEET
   Paleta: Azul Marino (#14213D) / Dorado (#FCA311) /
           Blanco (#FFFFFF) / Gris Claro (#E5E5E5) / Negro (#000000)
   Tipografía: Montserrat (títulos) / Inter (texto)
   ========================================================= */

/* ----------------------- 1. RESET & BASE ----------------------- */
:root {
  /* Colores institucionales */
  --color-navy: #14213D;
  --color-navy-soft: #1B2C4F;
  --color-gold: #FCA311;
  --color-gold-soft: #ffb733;
  --color-white: #FFFFFF;
  --color-light: #E5E5E5;
  --color-black: #000000;

  /* Texto sobre fondos claros / oscuros */
  --text-on-light: var(--color-navy);
  --text-on-dark: var(--color-white);
  --text-muted-light: #5b6478;
  --text-muted-dark: rgba(255, 255, 255, 0.7);

  /* Tipografía */
  --font-heading: "Montserrat", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Layout */
  --container-width: 1180px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-on-light);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Respeta preferencia de reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ----------------------- 2. UTILIDADES ----------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 14px;
}

.eyebrow--dark {
  color: var(--color-navy);
  opacity: 0.55;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

.section-title--light {
  color: var(--color-white);
}

.section-subtitle {
  margin-top: 14px;
  max-width: 620px;
  color: var(--text-muted-dark);
  font-size: 1.02rem;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-head .eyebrow {
  display: block;
}

.section-head .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ----------------------- 3. BOTONES ----------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-gold);
  color: var(--color-navy);
  box-shadow: 0 8px 24px rgba(252, 163, 17, 0.25);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-gold-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(252, 163, 17, 0.35);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 1rem;
}

.btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ----------------------- 4. HEADER / NAV ----------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: background-color var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base);
}

.header.is-scrolled {
  background-color: rgba(20, 33, 61, 0.92);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.logo__accent {
  color: var(--color-gold);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-white);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition-fast);
}

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

.nav__link:hover::after,
.nav__link:focus-visible::after {
  width: 100%;
}

.nav__cta {
  background-color: var(--color-gold);
  color: var(--color-navy);
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav__cta::after {
  display: none;
}

.nav__cta:hover,
.nav__cta:focus-visible {
  background-color: var(--color-gold-soft);
  color: var(--color-navy);
  transform: translateY(-2px);
}

/* Botón hamburguesa (mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1100;
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
}

/* ----------------------- 5. HERO ----------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-navy);
  color: var(--text-on-dark);
  overflow: hidden;
  padding-top: 110px;
  padding-bottom: 60px;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 70% 40%, rgba(0,0,0,0.9), transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.3rem, 5.5vw, 3.6rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
}

.hero__subtitle {
  font-size: 1.08rem;
  color: var(--text-muted-dark);
  max-width: 520px;
  margin-bottom: 36px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__stat {
  display: flex;
  flex-direction: column;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--color-gold);
}

.hero__stat-label {
  font-size: 0.82rem;
  color: var(--text-muted-dark);
  max-width: 140px;
}

.hero__visual {
  position: relative;
}

.hero__svg {
  width: 100%;
  height: auto;
}

/* Animación sutil de la línea de tendencia */
.hero__path {
  stroke-dasharray: 6 6;
  animation: dash-flow 6s linear infinite;
}

@keyframes dash-flow {
  to { stroke-dashoffset: -120; }
}

/* Nodos con leve flotación */
.hero__nodes circle {
  animation: float-node 5s ease-in-out infinite;
}

.hero__nodes circle:nth-child(2) { animation-delay: 0.6s; }
.hero__nodes circle:nth-child(3) { animation-delay: 1.2s; }
.hero__nodes circle:nth-child(4) { animation-delay: 1.8s; }

@keyframes float-node {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* Indicador de scroll */
.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 1;
}

.scroll-cue__line {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ----------------------- 6. SECCIÓN NOSOTROS ----------------------- */
.about {
  padding: 110px 0;
  background-color: var(--color-white);
}

.about__lead {
  margin-top: 18px;
  max-width: 700px;
  font-size: 1.05rem;
  color: var(--text-muted-light);
}

.about__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.about__item {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background-color: var(--color-light);
  border-left: 3px solid var(--color-gold);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about__item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(20, 33, 61, 0.08);
}

.about__item-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.about__item-text {
  font-size: 0.92rem;
  color: var(--text-muted-light);
}

/* ----------------------- 7. SECCIÓN SERVICIOS ----------------------- */
.services {
  padding: 110px 0;
  background-color: var(--color-navy);
  color: var(--text-on-dark);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: var(--color-navy-soft);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(252, 163, 17, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.service-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: rgba(252, 163, 17, 0.12);
  color: var(--color-gold);
  margin-bottom: 22px;
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.service-card__icon svg {
  width: 26px;
  height: 26px;
}

.service-card:hover .service-card__icon {
  background-color: var(--color-gold);
  color: var(--color-navy);
  transform: scale(1.06) rotate(-4deg);
}

.service-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.service-card__text {
  font-size: 0.92rem;
  color: var(--text-muted-dark);
}

/* ----------------------- 8. BENEFICIOS ----------------------- */
.benefits {
  padding: 110px 0;
  background-color: var(--color-white);
}

.benefits__inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.benefits__grid {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.benefit-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base);
}

.benefit-item:hover {
  background-color: var(--color-light);
}

.benefit-item__icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-gold);
  color: var(--color-navy);
  font-weight: 800;
  font-size: 0.9rem;
}

.benefit-item__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--color-navy);
}

.benefit-item__text {
  font-size: 0.92rem;
  color: var(--text-muted-light);
}

/* ----------------------- 9. POR QUÉ ELEGIR FARTECH ----------------------- */
.why {
  padding: 110px 0;
  background-color: var(--color-navy);
  color: var(--text-on-dark);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
}

.why-card__number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.2rem;
  color: var(--color-gold);
  opacity: 0.5;
  margin-bottom: 14px;
}

.why-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 10px;
}

.why-card__text {
  font-size: 0.9rem;
  color: var(--text-muted-dark);
}

/* ----------------------- 9b. PORTAFOLIO ----------------------- */
.portfolio {
  padding: 110px 0;
  background-color: var(--color-white);
}

.portfolio__card {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  background-color: var(--color-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid rgba(20, 33, 61, 0.06);
}

.portfolio__visual svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 40px rgba(20, 33, 61, 0.12);
}

.portfolio__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-navy);
  background-color: rgba(252, 163, 17, 0.18);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.portfolio__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--color-navy);
  margin-bottom: 14px;
}

.portfolio__text {
  color: var(--text-muted-light);
  margin-bottom: 18px;
}

.portfolio__features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.portfolio__features li {
  position: relative;
  padding-left: 24px;
  font-size: 0.92rem;
  color: var(--color-navy);
}

.portfolio__features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 800;
}

.portfolio__link {
  border-color: var(--color-navy);
  color: var(--color-navy);
}

.portfolio__link:hover,
.portfolio__link:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-navy);
  background-color: var(--color-gold);
}

/* ----------------------- 10. CTA FINAL ----------------------- */


.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-soft) 100%);
  color: var(--color-navy);
  text-align: center;
}

.cta__inner {
  max-width: 700px;
}

.cta__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  margin-bottom: 16px;
}

.cta__text {
  font-size: 1.02rem;
  margin-bottom: 32px;
  opacity: 0.85;
}

.cta .btn--primary {
  background-color: var(--color-navy);
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(20, 33, 61, 0.25);
}

.cta .btn--primary:hover {
  background-color: var(--color-black);
}

/* ----------------------- 11. FOOTER ----------------------- */
.footer {
  background-color: var(--color-black);
  color: var(--text-on-dark);
  padding-top: 80px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.logo--footer {
  display: inline-block;
  margin-bottom: 14px;
}

.footer__slogan {
  color: var(--text-muted-dark);
  font-size: 0.92rem;
  max-width: 240px;
}

.footer__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 18px;
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__list a {
  font-size: 0.92rem;
  color: var(--text-muted-dark);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer__list a:hover,
.footer__list a:focus-visible {
  color: var(--color-gold);
  padding-left: 4px;
}

.footer__bottom {
  text-align: center;
  padding: 24px 0;
  font-size: 0.82rem;
  color: var(--text-muted-dark);
}

/* ----------------------- 12. BOTÓN FLOTANTE WHATSAPP ----------------------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
  z-index: 999;
  transition: transform var(--transition-fast);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: scale(1.08);
}

/* ----------------------- 13. ANIMACIONES AL SCROLL ----------------------- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  transition-delay: var(--delay, 0ms);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------- 14. RESPONSIVE ----------------------- */
@media (max-width: 1024px) {
  .about__grid,
  .why__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .benefits__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .portfolio__card {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    row-gap: 40px;
  }
}

@media (max-width: 880px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero__visual {
    order: -1;
    max-width: 420px;
    margin: 0 auto 24px auto;
  }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(320px, 80vw);
    background-color: var(--color-navy);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 28px;
    padding: 100px 36px;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.25);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: 1.05rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 720px) {
  .about__grid,
  .why__grid,
  .services__grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .hero {
    padding-top: 100px;
  }

  .hero__stats {
    gap: 28px;
  }

  .about,
  .services,
  .benefits,
  .why,
  .cta {
    padding: 72px 0;
  }
}

@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .hero__stats {
    gap: 20px;
  }

  .hero__stat-label {
    max-width: 100%;
  }
}