/* ===================================
   VARIABLES & RESET
   =================================== */
:root {
  /* Colores de marca - basados en el logo */
  --blue-dark: #1B3A6B;
  --blue-medium: #2874B5;
  --blue-light: #3DA8E0;
  --blue-accent: #4DC8F0;
  --blue-pale: #E8F4FD;
  --blue-bg: #F0F8FF;

  /* Neutros */
  --white: #FFFFFF;
  --gray-50: #F8FAFB;
  --gray-100: #F1F4F7;
  --gray-200: #E2E7ED;
  --gray-300: #CDD4DC;
  --gray-400: #9BA5B1;
  --gray-500: #6B7785;
  --gray-600: #4A5568;
  --gray-700: #3D4451;
  --gray-800: #2D3340;
  --gray-900: #1A1F2B;

  /* Funcionales */
  --success: #22C55E;
  --warning: #F59E0B;
  --star: #FBBF24;

  /* Tipografia */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  /* Espaciado */
  --section-py: 6rem;

  /* Transiciones */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(27, 58, 107, 0.08);
  --shadow-md: 0 4px 12px rgba(27, 58, 107, 0.1);
  --shadow-lg: 0 8px 30px rgba(27, 58, 107, 0.12);
  --shadow-xl: 0 16px 48px rgba(27, 58, 107, 0.15);

  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===================================
   TYPOGRAPHY
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--gray-900);
  line-height: 1.3;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blue-medium);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--blue-medium);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.section-description {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--blue-medium), var(--blue-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===================================
   BUTTONS
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn i {
  font-size: 1.2em;
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue-medium), var(--blue-light));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(40, 116, 181, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(40, 116, 181, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--blue-medium);
  border-color: var(--blue-medium);
}

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

.btn--lg {
  padding: 0.9rem 2rem;
  font-size: 1rem;
}

/* ===================================
   HEADER
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.header__logo-img {
  height: 50px;
  width: auto;
}

.header__nav-list {
  display: flex;
  gap: 2rem;
}

.header__nav-link {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  position: relative;
  padding: 0.25rem 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-medium), var(--blue-accent));
  border-radius: 2px;
  transition: width var(--transition);
}

.header__nav-link:hover,
.header__nav-link.active {
  color: var(--blue-medium);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
  width: 100%;
}

.header__cta {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition);
}

.header__menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===================================
   HERO
   =================================== */
.hero {
  padding: 8rem 0 var(--section-py);
  background: linear-gradient(135deg, var(--blue-bg) 0%, var(--white) 50%, var(--blue-pale) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77, 200, 240, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__tagline {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue-medium);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.hero__title {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: var(--gray-900);
}

.hero__description {
  font-size: 1.1rem;
  color: var(--gray-500);
  margin-bottom: 2rem;
  max-width: 500px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 2.5rem;
}

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

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--blue-dark);
}

.hero__stat-label {
  font-size: 0.85rem;
  color: var(--gray-400);
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--blue-pale), var(--blue-bg));
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(40, 116, 181, 0.1);
}

/* ===================================
   ABOUT
   =================================== */
.about {
  padding: var(--section-py) 0;
  background: var(--white);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about__image-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--blue-pale), var(--blue-bg));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.about__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__image-wrapper::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  width: 80px;
  height: 80px;
  border-top: 4px solid var(--blue-medium);
  border-left: 4px solid var(--blue-medium);
  border-radius: var(--radius-md) 0 0 0;
  z-index: 1;
}

.about__text {
  color: var(--gray-600);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about__features {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--gray-50);
  transition: all var(--transition);
}

.about__feature:hover {
  background: var(--blue-pale);
  transform: translateX(5px);
}

.about__feature i {
  font-size: 1.5rem;
  color: var(--blue-medium);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.about__feature strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--gray-800);
}

.about__feature p {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-top: 0.15rem;
}

/* ===================================
   SERVICES
   =================================== */
.services {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-align: center;
  border: 1px solid var(--gray-100);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-light);
}

.service-card__icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-pale), rgba(77, 200, 240, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  transition: all var(--transition);
}

.service-card:hover .service-card__icon {
  background: linear-gradient(135deg, var(--blue-medium), var(--blue-light));
}

.service-card__icon i {
  font-size: 1.5rem;
  color: var(--blue-medium);
  transition: color var(--transition);
}

.service-card:hover .service-card__icon i {
  color: var(--white);
}

.service-card__title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--gray-800);
}

.service-card__text {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ===================================
   TESTIMONIALS
   =================================== */
.testimonials {
  padding: var(--section-py) 0;
  background: var(--white);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--gray-50);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--blue-pale);
}

.testimonial-card__stars {
  display: flex;
  gap: 0.2rem;
  margin-bottom: 1rem;
}

.testimonial-card__stars i {
  color: var(--star);
  font-size: 1rem;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-medium), var(--blue-accent));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.testimonial-card__author strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--gray-800);
}

.testimonial-card__author p {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* ===================================
   PARTNERS
   =================================== */
.partners {
  padding: var(--section-py) 0;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-medium) 100%);
  color: var(--white);
}

.partners .section-label {
  color: var(--blue-accent);
}

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

.partners .section-description {
  color: rgba(255, 255, 255, 0.7);
}

.partners__grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.partner-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 2.5rem 3rem;
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
  min-width: 260px;
}

.partner-card:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
}

.partner-card i {
  font-size: 2.5rem;
  color: var(--blue-accent);
  margin-bottom: 1rem;
}

.partner-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.partner-card p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   CONTACT
   =================================== */
.contact {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact__text {
  color: var(--gray-500);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--blue-pale), rgba(77, 200, 240, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__detail-icon i {
  font-size: 1.2rem;
  color: var(--blue-medium);
}

.contact__detail strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--gray-800);
  margin-bottom: 0.15rem;
}

.contact__detail p {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.contact__detail a {
  color: var(--blue-medium);
}

.contact__detail a:hover {
  color: var(--blue-dark);
}

.contact__social {
  display: flex;
  gap: 0.75rem;
}

.contact__social-link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gray-500);
  transition: all var(--transition);
}

.contact__social-link:hover {
  background: var(--blue-medium);
  border-color: var(--blue-medium);
  color: var(--white);
  transform: translateY(-3px);
}

.contact__map {
  min-height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.contact__map iframe {
  min-height: 400px;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding-top: 4rem;
}

.footer__container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer__logo {
  height: 45px;
  width: auto;
  margin-bottom: 1rem;
  filter: brightness(0) invert(1);
}

.footer__slogan {
  font-style: italic;
  color: var(--gray-400);
  font-size: 0.95rem;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.footer__links ul,
.footer__services ul,
.footer__contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links a,
.footer__contact a {
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: color var(--transition);
}

.footer__links a:hover,
.footer__contact a:hover {
  color: var(--blue-accent);
}

.footer__services li {
  font-size: 0.9rem;
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.footer__contact li i {
  color: var(--blue-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ===================================
   WHATSAPP FLOAT
   =================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-whatsapp {
  0% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6); }
  100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
}

/* ===================================
   ANIMATIONS
   =================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ===================================
   RESPONSIVE
   =================================== */

/* Tablet */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 2.5rem;
  }

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

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

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-py: 4rem;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition);
    padding: 6rem 2rem 2rem;
    z-index: 1000;
  }

  .header__nav.active {
    right: 0;
  }

  .header__nav-list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .header__nav-link {
    font-size: 1.1rem;
  }

  .header__cta {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
  }

  .hero {
    padding: 6.5rem 0 3rem;
  }

  .hero__container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__description {
    margin: 0 auto 2rem;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__image {
    order: -1;
    max-width: 320px;
    margin: 0 auto;
  }

  .about__container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__image-wrapper {
    max-width: 350px;
    margin: 0 auto;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .contact__container {
    grid-template-columns: 1fr;
  }

  .footer__container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__logo {
    margin: 0 auto 1rem;
  }

  .contact__social {
    justify-content: flex-start;
  }

  .partners__grid {
    flex-direction: column;
    align-items: center;
  }

  .partner-card {
    width: 100%;
    max-width: 340px;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero__title {
    font-size: 1.75rem;
  }

  .hero__stats {
    flex-direction: column;
    gap: 1rem;
    align-items: center;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .btn--lg {
    width: 100%;
    justify-content: center;
  }
}

/* Overlay for mobile menu */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .fade-in,
  .fade-in-left,
  .fade-in-right {
    transition: none;
    opacity: 1;
    transform: none;
  }

  .whatsapp-float {
    animation: none;
  }
}