/* ===== VARIABLES CSS ===== */
:root {
  /* Colores principales */
  --primary-color: #00264d;
  --secondary-color: #ffffff;
  --tertiary-color: #e0e0e0;
  --accent-color: #0066cc;
  --text-color: #333333;
  --text-light: #666666;
  --border-color: #cccccc;
  --shadow-color: rgba(0, 38, 77, 0.1);
  --gradient-primary: linear-gradient(135deg, #00264d 0%, #0066cc 100%);

  /* Tipografía */
  --font-family: "Roboto", sans-serif;
  --font-size-xl: 3rem;
  --font-size-lg: 2.5rem;
  --font-size-md: 2rem;
  --font-size-sm: 1.5rem;
  --font-size-xs: 1.25rem;
  --font-size-normal: 1rem;
  --font-size-small: 0.875rem;

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Otros */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.3s ease;
  --box-shadow: 0 4px 20px var(--shadow-color);
  --box-shadow-hover: 0 8px 30px rgba(0, 38, 77, 0.15);

  /* Z-index */
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
}

/* ===== RESET Y BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-normal);
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--secondary-color);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

ul {
  list-style: none;
}

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

/* ===== UTILIDADES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section__header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section__title {
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.section__title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section__subtitle {
  font-size: var(--font-size-xs);
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BOTONES ===== */
.button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: var(--font-size-normal);
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
}

.button--primary {
  background: var(--gradient-primary);
  color: var(--secondary-color);
  box-shadow: var(--box-shadow);
}

.button--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow-hover);
}

.button--outline {
  background: transparent;
  color: var(--primary-color);
  border-color: var(--primary-color);
}

.button--outline:hover {
  background: var(--primary-color);
  color: var(--secondary-color);
}

.button--full {
  width: 100%;
  justify-content: center;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px var(--shadow-color);
  z-index: var(--z-fixed);
  transition: var(--transition);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 700;
  font-size: var(--font-size-xs);
  color: var(--primary-color);
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav__list {
  display: flex;
  gap: var(--spacing-lg);
}

.nav__link {
  font-weight: 500;
  color: var(--text-color);
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

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

.nav__toggle,
.nav__close {
  display: none;
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 120px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero__title {
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.hero__title-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: var(--font-size-xs);
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}



.hero__image {
  position: relative;
}

.hero__img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
}

/* ===== ABOUT SECTION ===== */
.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about__description {
  font-size: var(--font-size-normal);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.stat {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--secondary-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.stat__number {
  font-size: var(--font-size-lg);
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.stat__text {
  color: var(--text-light);
  font-size: var(--font-size-small);
}

.about__img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
}

/* ===== SERVICES SECTION ===== */
.services {
  background: #f8f9fa;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.service__card {
  background: var(--secondary-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.service__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.service__icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.service__icon i {
  font-size: var(--font-size-sm);
  color: var(--secondary-color);
}

.service__title {
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.service__description {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.service__features {
  list-style: none;
}

.service__features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  color: var(--text-light);
  font-size: var(--font-size-small);
}

.service__features i {
  color: #28a745;
  font-size: var(--font-size-small);
}

/* ===== GALLERY SECTION ===== */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.gallery__item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.gallery__item:hover {
  transform: scale(1.02);
  box-shadow: var(--box-shadow-hover);
}

.gallery__img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.gallery__overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 38, 77, 0.9));
  color: var(--secondary-color);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: var(--transition);
}

.gallery__item:hover .gallery__overlay {
  transform: translateY(0);
}

.gallery__title {
  font-size: var(--font-size-xs);
  margin-bottom: var(--spacing-xs);
}

.gallery__description {
  font-size: var(--font-size-small);
  opacity: 0.9;
}

/* ===== LOCATION SECTION ===== */
.location {
  background: #f8f9fa;
}

.location__content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.location__info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.location__item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  padding: var(--spacing-md);
  background: var(--secondary-color);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.location__item i {
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  margin-top: var(--spacing-xs);
}

.location__item h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

.location__item p {
  color: var(--text-light);
  margin: 0;
}

.location__map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.location__map iframe {
  border-radius: var(--border-radius-lg);
}

/* ===== CONTACT SECTION ===== */
.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact__info {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
}

.contact__card {
  background: var(--secondary-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.contact__card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.contact__icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.contact__icon i {
  font-size: var(--font-size-sm);
  color: var(--secondary-color);
}

.contact__title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.contact__text {
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-small);
}

.contact__button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gradient-primary);
  color: var(--secondary-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-small);
  margin-top: var(--spacing-sm);
  transition: var(--transition);
}

.contact__button:hover {
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

/* ===== FORMULARIO ===== */
.contact__form-container {
  background: var(--secondary-color);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
}

.contact__form-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.form__group {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.form__input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-normal);
  transition: var(--transition);
  background: var(--secondary-color);
}

.form__input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 38, 77, 0.1);
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
  transform: translateY(-25px) scale(0.8);
  color: var(--primary-color);
}

.form__label {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  color: var(--text-light);
  transition: var(--transition);
  pointer-events: none;
  background: var(--secondary-color);
  padding: 0 var(--spacing-xs);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary-color);
  color: var(--secondary-color);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.footer__logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.footer__logo-text {
  font-size: var(--font-size-xs);
  font-weight: 700;
}

.footer__description {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.footer__social {
  display: flex;
  gap: var(--spacing-sm);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer__social-link:hover {
  background: var(--accent-color);
  transform: translateY(-2px);
}

.footer__title {
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-xs);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer__link {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.footer__link:hover {
  color: var(--secondary-color);
  padding-left: var(--spacing-xs);
}

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.8);
}

.footer__contact-item i {
  color: var(--accent-color);
  width: 20px;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer__copy,
.footer__credits {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-small);
}

.footer__credits i {
  color: #e74c3c;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: var(--z-tooltip);
}

.scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-hover);
}

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

/* Tablets */
@media screen and (max-width: 968px) {
  :root {
    --font-size-xl: 2.5rem;
    --font-size-lg: 2rem;
    --font-size-md: 1.75rem;
    --font-size-sm: 1.25rem;
    --font-size-xs: 1.125rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero__container,
  .about__content,
  .location__content,
  .contact__content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .hero__buttons {
    justify-content: center;
  }

  .about__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .services__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

  .footer__content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Mobile */
@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--secondary-color);
    padding: var(--spacing-xxl) var(--spacing-lg);
    transition: var(--transition);
    z-index: var(--z-modal);
  }

  .nav__menu.show-menu {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .nav__link {
    font-size: var(--font-size-xs);
  }

  .nav__close {
    display: block;
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: var(--font-size-md);
  }

  .nav__toggle {
    display: block;
  }

  .hero {
    padding-top: 100px;
    text-align: center;
  }

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

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

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

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

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

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

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

  .location__map iframe {
    height: 300px;
  }
}

/* Small Mobile */
@media screen and (max-width: 480px) {
  :root {
    --font-size-xl: 2rem;
    --font-size-lg: 1.75rem;
    --font-size-md: 1.5rem;
    --spacing-xxl: 3rem;
    --spacing-xl: 2rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero__buttons {
    width: 100%;
  }

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

  .service__card,
  .contact__card {
    padding: var(--spacing-md);
  }

  .contact__form-container {
    padding: var(--spacing-md);
  }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Aplicar animaciones cuando los elementos entran en viewport */
.animate-on-scroll {
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
}

.animate-left {
  opacity: 0;
  animation: fadeInLeft 0.6s ease forwards;
}

.animate-right {
  opacity: 0;
  animation: fadeInRight 0.6s ease forwards;
}

/* ===== ESTADOS DE CARGA ===== */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== ACCESIBILIDAD ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus visible para navegación por teclado */
.nav__link:focus-visible,
.button:focus-visible,
.form__input:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
  .header,
  .nav__toggle,
  .scroll-top,
  .hero__buttons,
  .contact__form-container {
    display: none;
  }

  .hero {
    padding-top: 0;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  .section {
    padding: 1rem 0;
  }
}