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

:root {
  --azul-oscuro: #2f5fa7;
  --azul-claro: #4bb3c1;
  --blanco: #ffffff;
  --gris-claro: #f4f7fb;
  --gris-texto: #555555;
  --negro: #1a1a2e;
  --gradiente: linear-gradient(135deg, var(--azul-oscuro), var(--azul-claro));
  --sombra: 0 4px 24px rgba(47, 95, 167, 0.12);
  --sombra-hover: 0 8px 32px rgba(47, 95, 167, 0.22);
  --radio: 16px;
  --transicion: 0.3s ease;
}

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

body {
  font-family: "Poppins", sans-serif;
  color: var(--gris-texto);
  background: var(--blanco);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  transition: var(--transicion);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.navbar__logo {
  display: flex;
  align-items: center;
}

.navbar__logo-img {
  height: 48px;
  width: auto;
}

.navbar__links {
  display: flex;
  gap: 32px;
}

.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--negro);
  position: relative;
  transition: var(--transicion);
}

.navbar__links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--azul-claro);
  transition: var(--transicion);
}

.navbar__links a:hover {
  color: var(--azul-oscuro);
}

.navbar__links a:hover::after {
  width: 100%;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.navbar__toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--azul-oscuro);
  border-radius: 3px;
  transition: var(--transicion);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('../img/background.png') center center / cover no-repeat;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero__badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: var(--blanco);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--blanco);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 40px;
  font-weight: 300;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 50px;
  font-family: "Poppins", sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transicion);
}

.btn--primary {
  background: var(--blanco);
  color: var(--azul-oscuro);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn--outline {
  background: transparent;
  color: var(--blanco);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--blanco);
}

.btn--azul {
  background: var(--gradiente);
  color: var(--blanco);
  box-shadow: var(--sombra);
}

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

.hero__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== SECTION COMMONS ===== */
section {
  padding: 64px 0;
}

.section__badge {
  display: inline-block;
  background: rgba(75, 179, 193, 0.1);
  color: var(--azul-claro);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.section__title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section__desc {
  font-size: 1.05rem;
  color: var(--gris-texto);
  max-width: 640px;
  margin-bottom: 48px;
  text-align: justify;
  text-align-last: center;
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__header .section__desc {
  margin-left: auto;
  margin-right: auto;
}

/* ===== CORAZÓN (ABOUT) ===== */
.about {
  background: var(--gris-claro);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__text .section__desc {
  margin-bottom: 32px;
}

.dimensiones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.dimension-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--negro);
}

.dimension-item__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--gradiente);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blanco);
  font-size: 1rem;
  flex-shrink: 0;
}

.about__visual {
  position: relative;
}

.about__img {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  border-radius: var(--radio);
  box-shadow: 0 20px 60px rgba(47, 95, 167, 0.2);
  object-fit: cover;
}

/* ===== SERVICIOS ===== */
.servicios__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.servicio-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 36px 28px;
  box-shadow: var(--sombra);
  transition: var(--transicion);
  border: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.servicio-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradiente);
  opacity: 0;
  transition: var(--transicion);
}

.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sombra-hover);
}

.servicio-card:hover::before {
  opacity: 1;
}

.servicio-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(75, 179, 193, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.servicio-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: 10px;
}

.servicio-card__desc {
  font-size: 0.9rem;
  color: var(--gris-texto);
  line-height: 1.6;
}

/* ===== MODELO DE IMPACTO ===== */
.modelo {
  background: var(--gris-claro);
}

.modelo__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
  position: relative;
}

.modelo__step {
  text-align: center;
  position: relative;
}

.modelo__step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gradiente);
  color: var(--blanco);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 16px rgba(47, 95, 167, 0.25);
}

.modelo__step-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: 10px;
}

.modelo__step-desc {
  font-size: 0.9rem;
  color: var(--gris-texto);
  max-width: 300px;
  margin: 0 auto;
}

.modelo__connector {
  display: none;
}

/* ===== COMPROMISO Y FINANCIAMIENTO ===== */
.compromiso__intro {
  text-align: justify;
  text-align-last: center;
  font-size: 1.05rem;
  color: var(--gris-texto);
  max-width: 720px;
  margin: 0 auto 48px;
}

.compromiso__foco {
  margin-top: 16px;
}

.compromiso__foco-header {
  text-align: center;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.compromiso__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.compromiso__card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 32px 28px;
  box-shadow: var(--sombra);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transicion);
}

.compromiso__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra-hover);
}

.compromiso__card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.compromiso__card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: 16px;
}

.compromiso__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compromiso__list li {
  font-size: 0.9rem;
  color: var(--gris-texto);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.compromiso__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--azul-claro);
  font-weight: 700;
}

.compromiso__highlight {
  margin-top: 16px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--azul-oscuro);
}

/* ===== GALERÍA ===== */
.galeria__showcase {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
}

.galeria__img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.galeria__showcase:hover .galeria__img {
  transform: scale(1.01);
}

.galeria__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.galeria__item {
  border-radius: var(--radio);
  overflow: hidden;
  background: var(--gris-claro);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--azul-claro);
  font-size: 2.5rem;
  transition: var(--transicion);
  position: relative;
}

.galeria__item:hover {
  transform: scale(1.03);
  box-shadow: var(--sombra-hover);
}

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

.galeria__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #b0c4de;
}

.galeria__placeholder span {
  font-size: 0.8rem;
  font-weight: 500;
}

/* ===== CONTACTO ===== */
.contacto {
  background: var(--gris-claro);
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contacto__info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contacto__item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contacto__item-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--gradiente);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contacto__item-text h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: 4px;
}

.contacto__item-text p,
.contacto__item-text a {
  font-size: 0.9rem;
  color: var(--gris-texto);
}

.contacto__item-text a:hover {
  color: var(--azul-claro);
}

.contacto__form {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 40px;
  box-shadow: var(--sombra);
}

.contacto__form h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--negro);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--negro);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e0e6f0;
  border-radius: 10px;
  font-family: "Poppins", sans-serif;
  font-size: 0.9rem;
  color: var(--negro);
  background: var(--gris-claro);
  transition: var(--transicion);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--azul-claro);
  box-shadow: 0 0 0 3px rgba(75, 179, 193, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--negro);
  color: rgba(255, 255, 255, 0.6);
  padding: 48px 0 24px;
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__logo {
  display: flex;
  align-items: center;
}

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

.footer__copy {
  font-size: 0.85rem;
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.85rem;
  transition: var(--transicion);
}

.footer__links a:hover {
  color: var(--azul-claro);
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transicion);
  animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

@keyframes pulse-whatsapp {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

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

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

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero__title {
    font-size: 2.5rem;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__visual {
    order: -1;
  }

  .about__img {
    max-width: 360px;
  }

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

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

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

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

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

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--blanco);
    flex-direction: column;
    align-items: center;
    padding: 32px 0;
    gap: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-120%);
    transition: var(--transicion);
    opacity: 0;
    pointer-events: none;
  }

  .navbar__links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .navbar__toggle {
    display: flex;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  section {
    padding: 48px 0;
  }

  .section__title {
    font-size: 1.8rem;
  }

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

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

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

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

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.7rem;
  }

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

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

  .contacto__form {
    padding: 24px;
  }
}