/* ================== VARIABLES ================== */
:root {
  --azul: #061a2c;
  --azul-oscuro: #04131f;
  --cian: #00bcd4;
  --cian-light: #4defff;
  --gris: #d3e4ec;
  --blanco: #ffffff;
  --texto: #e9faff;
}

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

body {
  background: var(--azul);
  color: var(--texto);
  font-family: "Poppins", sans-serif;
  overflow-x: hidden;
}

/* ====== PARTICULAS ====== */
#particles-js {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
}

/* ===========================================================
   CONTENEDOR GLOBAL 
   =========================================================== */
section {
  padding-left: 8%;
  padding-right: 8%;
  scroll-margin-top: 120px;
}

@media (min-width: 1500px) {
  section {
    padding-left: 14%;
    padding-right: 14%;
  }
}

/* ===========================================================
   NAVBAR
   =========================================================== */
.navbar {
  width: 100%;
  height: 70px;
  padding-top: 0;
  padding-bottom: 0;  
  padding-left: 4%;
  padding-right: 4%;
  background: rgba(4, 19, 31, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 188, 212, 0.20);
  position: fixed;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-img {
  height: 100%;  
  max-height: 65px; 
  object-fit: contain;
}

.brand-text {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cian);
}

/* NAV DESKTOP */
.nav-desktop {
  display: flex;
  gap: 40px;
}

.nav-desktop a {
  text-decoration: none;
  color: var(--texto);
  font-size: 1.05rem;
  transition: 0.3s;
}

.nav-desktop a:hover {
  color: var(--cian);
}

/* HAMBURGUESA */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}

.hamburger span {
  height: 3px;
  width: 28px;
  background: var(--cian);
  border-radius: 2px;
}

/* MENU MÓVIL */
.nav-mobile {
  position: fixed;
  top: 0;
  right: -100%;
  width: 65%;
  height: 100%;
  background: rgba(4, 19, 31, 0.96);
  backdrop-filter: blur(10px);
  padding-top: 110px;
  padding-left: 25px;
  display: flex;
  flex-direction: column;
  gap: 25px;
  transition: 0.35s ease-in-out;
  z-index: 999;
}

.nav-mobile a {
  color: var(--blanco);
  font-size: 1.3rem;
  text-decoration: none;
}

.nav-mobile.open {
  right: 0;
}

/* ===========================================================
   HERO
   =========================================================== */
.hero {
  height: 100vh;
  padding-top: 120px;
  display: flex;
  align-items: center;
  text-align: center;
  justify-content: center;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.4rem;
  font-weight: 300;
  margin-bottom: 40px;
}

.btn-cta {
  background: var(--cian);
  color: var(--azul);
  padding: 14px 36px;
  border-radius: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 0 20px rgba(0, 137, 155, 0.5);
  transition: 0.3s;
}

.btn-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 32px rgba(0, 171, 194, 0.9);
}

/* ===========================================================
   SERVICIOS
   =========================================================== */

#servicios {
  padding-top: 50px;
  padding-bottom: 160px;
}

.servicios h2 {
  font-size: 3rem;
  text-align: center;
}

.servicios .subtitulo {
  text-align: center;
  margin-top: 15px;
  margin-bottom: 60px;
  color: var(--gris);
}

/* === GRID === */
.servicios-grid-foto {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 40px;
}

/* === TARJETA === */
.servicio-foto {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .35s ease, box-shadow .35s ease;
  height: 260px;
  background: #000;
}

/* Imagen base */
.servicio-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .45s ease;
}

/* EFECTO HOVER: oscurecer + desenfocar + zoom */
.servicio-foto:hover img {
  transform: scale(1.1);
  filter: brightness(40%) blur(3px);
}

/* Overlay */
.servicio-overlay {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 22px;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0));
  transition: all .35s ease;
}

/* Título */
.servicio-overlay h3 {
  font-size: 1.35rem;
  margin: 0;
  color: #fff;
  transform: translateY(20px);
  transition: .35s ease;
}

/* Descripción oculta inicialmente */
.servicio-descripcion {
  opacity: 0;
  color: #e4f7ff;
  margin-top: 10px;
  font-size: 0.95rem;
  line-height: 1.45;
  transform: translateY(40px);
  transition: .4s ease;
}

/* --- HOVER: título sube, texto aparece --- */
.servicio-foto:hover .servicio-overlay h3 {
  transform: translateY(0);
}

.servicio-foto:hover .servicio-descripcion {
  opacity: 1;
  transform: translateY(0);
}


/* RESPONSIVO */
@media (max-width: 1100px) {
  .servicios-grid-foto {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .servicios-grid-foto {
    grid-template-columns: 1fr;
  }

  .servicio-foto {
    height: 270px;
  }

  .servicio-descripcion {
    font-size: 0.9rem;
  }
}

/* ===========================================================
   PROYECTOS
   =========================================================== */

#proyectos {
  padding-top: 50px;
  padding-bottom: 160px;
}

.proyectos h2 {
  font-size: 3rem;
  text-align: center;
}

.proyectos .subtitulo {
  text-align: center;
  margin-top: 12px;
  margin-bottom: 60px;
}

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 40px;
}

.proyecto-card {
  background: rgba(255,255,255,0.06);
  padding: 38px 32px;
  border-radius: 22px;
  text-align: center;
  border: 1px solid rgba(0,188,212,0.25);
  backdrop-filter: blur(10px);
  transition: 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  box-shadow: 0 0 24px rgba(0,188,212,0.12);
}

.proyecto-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 40px rgba(0,188,212,0.25);
}

.proyecto-mockup img {
  width: 150px;
  height: 150px;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 0 15px rgba(0, 75, 85, 0.35);
}

/* TÍTULO */
.proyecto-info h3 {
  font-size: 1.9rem;
  color: var(--cian);
}

/* TEXTO*/
.proyecto-info p {
  font-size: 1.05rem;
  color: var(--gris);
  line-height: 1.55;
  padding: 0 10px;
  min-height: 70px;
  margin-bottom: 25px;
}

/* BOTÓN PROYECTO*/
.proyecto-info .btn-cta {
  background: var(--cian);
  color: var(--azul);
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  position: relative;   
  top: 0;               
  transition: 0.25s ease;
  box-shadow: 0 0 20px rgba(0,188,212,0.28);
}

.proyecto-info .btn-cta:hover {
  top: -3px;      
  background: #00cee9;
}

/* ===========================================================
   NOSOTROS
   =========================================================== */

#nosotros {
  padding-top: 90px;
  padding-bottom: 150px;
}

/* Layout escritorio: texto + imagen lado a lado */
.nosotros-grid {
  display: flex;
  gap: 60px;
  align-items: center;
  justify-content: space-between;
}

.nosotros-texto {
  flex: 1;
  min-width: 0;
}

.nosotros-texto h2 {
  font-size: 3rem;
}

.nosotros-texto p {
  line-height: 1.7;
  margin-top: 12px;
  color: var(--gris);
}

.nosotros-img {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nosotros-img img {
  width: 100%;
  max-width: 460px;
  border-radius: 14px;
  box-shadow: 0 0 40px rgba(0,188,212,0.4);
  object-fit: cover;
}

/* ===========================================================
   RESPONSIVE – EVITAR DESBORDE EN CELULAR
   =========================================================== */

@media (max-width: 900px) {
  #nosotros {
    padding-top: 70px;
    padding-bottom: 110px;
  }

  /* Pasar a columna para que no se salga del ancho */
  .nosotros-grid {
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 32px;
  }

  .nosotros-texto h2 {
    font-size: 2.3rem;
  }

  .nosotros-texto {
    max-width: 480px;
  }

  .nosotros-img img {
    max-width: 320px;   /* controlamos el máximo en móvil */
    width: 85%;
    margin: 0 auto;
  }
}

/* =====================================================
   CONTACTO
   ===================================================== */

.contacto {
  padding: 100px 8%;
  padding-top: 50px;
  background: rgba(0, 0, 0, 0.35);
  color: white;
  text-align: center;
  position: relative;
}

.contacto h2 {
  font-size: 3rem;
  margin-bottom: 12px;
}

.contacto .subtitulo {
  font-size: 1.2rem;
  color: var(--cian);
  margin-bottom: 60px;
}

.contacto-container {
  display: flex;
  justify-content: space-between;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== Columna izquierda limpia ===== */
.texto-limpio {
  flex: 1;
  text-align: left;
  color: white;
}

/* Título */
.texto-limpio h3 {
  font-size: 2rem;
  color: var(--cian);
  margin-bottom: 25px;
}

/* Párrafos */
.texto-limpio p {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 15px;
}

/* Redes sociales */
.texto-limpio .redes img {
  width: 38px;
  margin-right: 12px;
  cursor: pointer;
  transition: 0.3s;
}

.texto-limpio .redes img:hover {
  transform: scale(1.15);
}

/* ===== PANEL QR ===== */
.contacto-qr {
  flex: 1;
  padding: 45px 35px;
  background: rgba(255,255,255,0.06);
  border-radius: 20px;
  border: 1px solid rgba(0,188,212,0.25);
  backdrop-filter: blur(10px);
  text-align: center;
  box-shadow: 0 0 25px rgba(0,188,212,0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* Título panel */
.contacto-qr h3 {
  font-size: 1.7rem;
  color: var(--cian);
  margin-bottom: 8px;
}

/* Texto QR */
.contacto-qr p {
  font-size: 1.05rem;
  margin-bottom: 25px;
  color: #d9ecf4;
}

/* Imagen QR centrada */
.qr {
  width: 200px;
  height: 200px;
  margin-bottom: 25px;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0,188,212,0.35);
}

/* Botón WhatsApp */
.btn-whatsapp {
  background: var(--cian);
  padding: 14px 26px;
  color: white;
  text-decoration: none;
  font-weight: 700;
  border-radius: 12px;
  font-size: 1.1rem;
  transition: 0.3s;
  box-shadow: 0 0 20px rgba(0,188,212,0.35);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  background: #00a0b9;
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .contacto-container {
    flex-direction: column;
    gap: 50px;
    align-items: center;
    text-align: center;
  }

  .texto-limpio {
    text-align: center;
  }
}

/* ===========================================================
   FOOTER
   =========================================================== */

.footer {
  text-align: center;
  padding: 28px;
  color: var(--gris);
  background: var(--azul-oscuro);
}

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

@media (max-width: 992px) {

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

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

  .nosotros-grid {
    flex-direction: column;
  }

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

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-title {
    font-size: 2.7rem;
  }

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