@import url('https://fonts.googleapis.com/css2?family=Familjen+Grotesk:wght@400;600;700&display=swap');

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

body {
  font-family: 'Familjen Grotesk', sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden; /* Evita scroll lateral en móviles */
}

a {
  text-decoration: none;
  color: #fff;
}

ul {
  list-style: none;
}

/* ------------------------------------- */
/* HEADER / NAVBAR */
/* ------------------------------------- */

.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
  height: 100px;
  padding: 0 30px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0));
}

/* Logo */
.logo {
  width: 210px;
  height: auto;
}

.logo img {
  display: block;
  width: 100%;
  height: auto;
}

/* Desktop Menu */
.desktop-main-menu {
  margin-right: 50px;
}

.desktop-main-menu ul {
  display: flex;
}

.desktop-main-menu ul li {
  position: relative;
  margin-right: 20px;
  padding-bottom: 2px;
}

/* Bottom border hover */
.desktop-main-menu ul li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: #fff;
  transform: scaleX(0);
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
  transform-origin: right center;
}

.desktop-main-menu ul li a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
  transition-duration: 0.4s;
}

/* ------------------------------------- */
/* SECTIONS */
/* ------------------------------------- */

section {
  position: relative;
  height: 100vh;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  text-transform: uppercase;
}

/* Contenido principal dentro de cada sección (desktop/base) */
.section-inner {
  position: absolute;
  bottom: 200px;
  left: 150px;
  max-width: 560px;
}

.section-inner h4 {
  font-size: 22px;
  margin-bottom: 5px;
  font-weight: 300;
  animation: fadeInUp 0.5s ease-in-out;
}

.section-inner h2 {
  font-size: 50px;
  font-weight: 700;
  margin-bottom: 20px;
  animation: fadeInUp 0.5s ease-in-out 0.2s;
  animation-fill-mode: both;
}

.section-inner a {
  animation: fadeInUp 0.5s ease-in-out 0.4s;
  animation-fill-mode: both;
}

/* ------------------------------------- */
/* BACKGROUND IMAGES (fallback) */
/* ------------------------------------- */

.section-a {
  background-image: url('../img/section-a.webp');
  position: relative;
  overflow: hidden;
}

/* ================================
   AJUSTES RESPONSIVE SECTION B
   ================================ */

/* Teléfonos grandes y tablets en vertical */
@media (max-width: 768px) {

  /* Altura y espacio general de la sección */
  .section-b {
    min-height: 100vh;
    padding-top: 90px;   /* espacio bajo el header fijo */
    padding-bottom: 70px;
  }

  /* Contenedor de texto y tarjetas */
  .section-b .section-inner {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 18px;
    text-align: left;
  }

  .section-b .section-inner h4 {
    font-size: 12px;
    letter-spacing: 1.6px;
    margin-bottom: 8px;
  }

  .section-b .section-inner h2 {
    font-size: 26px;
    line-height: 1.25;
    margin-bottom: 16px;
  }

  .section-b .section-inner p {
    font-size: 13px;
    line-height: 1.7;
    text-transform: none;
  }

  /* Contenedor de las tres tarjetas */
  .section-b .section-inner > div {
    margin-top: 20px !important;
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 100%;
  }

  /* Tarjetas individuales */
  .section-b .section-inner > div > div {
    width: 100%;
    max-width: 100%;
    padding: 14px 16px !important;
    border-radius: 14px !important;
  }

  /* Flecha de scroll un poco más arriba y más pequeña */
  .section-b .scroll-arrow {
    bottom: 24px;
    transform: translateX(-50%) scale(0.85);
  }

  /* Video de fondo más “zoomeado” y a la derecha */
  .bg-video-servicios {
    width: 150vw;
    height: 150vh;
    object-position: 80% center;
  }
}

/* Teléfonos pequeños */
@media (max-width: 480px) {

  .section-b .section-inner {
    padding: 0 14px;
  }

  .section-b .section-inner h2 {
    font-size: 22px;
  }

  .section-b .section-inner p {
    font-size: 12px;
  }

  .section-b .section-inner > div > div {
    padding: 12px 14px !important;
    border-radius: 12px !important;
  }

  .section-b .scroll-arrow {
    bottom: 18px;
  }
}


  /* las cards ocupan todo el ancho en columna */
  .section-b .section-inner > div,
  .section-b .section-inner > div > div {
    width: 100%;
    max-width: 100%;
  }
}

/* resto de secciones con fondo */
.section-c { background-image: url('../img/section-c.webp'); }
.section-d { background-image: url('../img/section-d.png'); }
.section-e { background-image: url('../img/section-e.webp'); }
.section-f { background-image: url('../img/section-f.jpg'); }

/* ------------------------------------- */
/* BUTTON */
/* ------------------------------------- */

.btn {
  position: relative;
  display: inline-block;
  cursor: pointer;
  text-align: center;
  min-width: 130px;
  padding: 15px 50px;
  margin-top: 10px;
  border: 2px solid #fff;
  text-transform: uppercase;
  font-weight: bold;
  overflow: hidden;
  z-index: 2;
}

.btn:hover span {
  color: #000;
}

.btn .hover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  z-index: -1;
  transform: translateY(100%);
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.btn:hover .hover {
  transform: translateY(0);
}

/* ------------------------------------- */
/* SCROLL ARROW */
/* ------------------------------------- */

.scroll-arrow {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  animation: fadeBounce 5s infinite;
}

/* ------------------------------------- */
/* VIDEO FULLSCREEN OPTIMIZADO (PORTADA, PROYECTOS, ETC.) */
/* ------------------------------------- */
.bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 100vh;
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  object-position: 55% center;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
  background: #000;
  transition: opacity 0.1s ease-in-out;
}

/* Fix especial Safari/iPhone */
@supports (-webkit-touch-callout: none) {
  .bg-video {
    height: 100%;
    width: auto;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: 0;
  }
}

/* ------------------------------------- */
/* FOOTER */
/* ------------------------------------- */

footer {
  position: relative;
  padding: 55px 0;
}

footer ul {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

footer ul li {
  margin-right: 30px;
  color: #aaa;
  text-transform: uppercase;
  font-size: 13px;
  line-height: 2.5;
}

footer ul li a {
  color: #fff;
  transition: color 0.6s;
}

footer ul li a:hover {
  color: #aaa;
}

footer ul li.footer-logo {
  margin-right: 30px;
}

footer ul li.footer-logo img {
  height: 110px;
  width: auto;
  display: block;
  line-height: 2.5;
}

/* ------------------------------------- */
/* HAMBURGER */
/* ------------------------------------- */

.hamburger {
  position: fixed;
  top: 34px;
  right: 20px;
  z-index: 10;
  cursor: pointer;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
}

.hamburger-top,
.hamburger-middle,
.hamburger-bottom {
  position: absolute;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: all 0.5s;
}

.hamburger-middle { transform: translateY(6px); }
.hamburger-bottom { transform: translateY(12px); }

.open { transform: rotate(90deg); }
.open .hamburger-top { transform: rotate(45deg) translateY(6px) translateX(6px); }
.open .hamburger-middle { display: none; }
.open .hamburger-bottom { transform: rotate(-45deg) translateY(6px) translateX(-6px); }

/* ------------------------------------- */
/* MOBILE MENU */
/* ------------------------------------- */

.overlay-show {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  z-index: 3;
}

.stop-scrolling { overflow: hidden; }

.mobile-only { display: none; }

.mobile-main-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 350px;
  height: 100%;
  background: #000;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.6s cubic-bezier(0.19,1,0.22,1);
}

.show-menu { transform: translateX(0); }

.mobile-main-menu ul {
  display: flex;
  flex-direction: column;
  align-items: end;
  padding: 50px;
  width: 100%;
}

.mobile-main-menu ul li {
  margin-bottom: 20px;
  font-size: 18px;
  border-bottom: 1px #555 dotted;
  padding-bottom: 8px;
  text-align: right;
}

.mobile-main-menu ul li a:hover { color: #aaa; }

/* ------------------------------------- */
/* INNER PAGES */
/* ------------------------------------- */

.bg-falcon-9 { background-image: url('../img/falcon-9.webp'); }
.bg-falcon-heavy { background-image: url('../img/falcon-heavy.webp'); }
.bg-dragon { background-image: url('../img/dragon.webp'); }

.section-animate { animation: fadeIn 2s ease-in-out; }

.section-inner-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  text-transform: uppercase;
  text-align: center;
  width: 80%;
}

.section-inner-center h3 {
  font-size: 100px;
  animation: fadeInUp 0.5s ease-in-out;
}

.section-inner-center p {
  font-size: 20px;
  animation: fadeInUp 0.5s ease-in-out 0.2s;
}

/* ------------------------------------- */
/* STATS */
/* ------------------------------------- */

.stats {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  text-align: center;
}

.stats div span { font-size: 160px; }
.stats div h4 { font-size: 24px; }

/* ------------------------------------- */
/* ANIMATIONS */
/* ------------------------------------- */

@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(140px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

@keyframes fadeBounce {
  0%,20%,50%,80%,100% {
    opacity: 0;
    transform: translateY(-20px);
  }
  40% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ------------------------------------- */
/* CONTACT SECTION (FORMULARIO) */
/* ------------------------------------- */

.contact-section {
  position: relative;
  background-image: url('../img/section-f.jpg');
  background-size: cover;
  background-position: center;
}

.contact-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top left, rgba(255,255,255,0.08), transparent 55%),
              linear-gradient(to bottom, rgba(0,0,0,0.9), rgba(0,0,0,0.95));
  z-index: -1;
}

.contact-inner {
  max-width: 1050px;
}

.contact-inner h2 {
  font-size: 46px;
  line-height: 1.1;
  text-transform: uppercase;
}

.contact-subtitle {
  margin-top: 14px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.6;
  text-transform: none;
}

/* Card del formulario */
.contact-form {
  margin-top: 28px;
  padding: 28px 30px 26px;
  background: rgba(0, 0, 0, 0.92);
  border-radius: 14px;
  border: 1px solid #222;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.8);
}

/* Grilla del formulario */
.form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 14px;
}

.form-group {
  flex: 1 1 220px;
}

.form-group.full {
  flex: 1 1 100%;
}

.form-group label {
  display: block;
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #a0a0a0;
  margin-bottom: 4px;
}

/* Inputs, selects y textarea */
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #050505;
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #555;
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}

/* Focus state */
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #fff;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.35);
}

/* Botón del formulario (reutiliza .btn) */
.contact-btn {
  margin-top: 10px;
  background: #fff;
  color: #000;
}

.contact-btn span {
  color: #000;
}

.contact-btn:hover span {
  color: #000;
}

/* Footer logo */
.footer-logo {
  margin-right: 30px;
}

.footer-logo img {
  height: 26px;
  width: auto;
  display: block;
}

/* ========================================= */
/* ===== CARRUSEL DE MARCAS / SOCIOS ====== */
/* ========================================= */

.logos-section {
  margin-top: 40px;
}

.logos-subtitle {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 13px;
  color: #9a9a9a;
}

.logos-title {
  margin-top: 6px;
  font-size: 26px;
  text-transform: none;
}

/* Wrapper general */
.logos-wrapper {
  margin-top: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Área visible */
.logos-slider {
  overflow: hidden;
  flex: 1;
  position: relative;
}

/* Track que se mueve (solo JS) */
.logos-track {
  display: flex;
  align-items: center;
  gap: 40px;
  will-change: transform;
}

/* Ítem individual */
.logo-item {
  flex: 0 0 auto;
  padding: 12px 20px;
  border-radius: 16px;
  transition: all 0.25s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
}

/* IMÁGENES MÁS NÍTIDAS Y DEFINIDAS */
.logo-item img {
  max-height: 70px;
  width: auto;
  opacity: 1;
  filter: grayscale(25%) brightness(1.15) contrast(1.05);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: high-quality;
  transition: all 0.25s ease;
}

/* Hover */
.logo-item:hover img {
  opacity: 1;
  filter: grayscale(0%) brightness(1.2) contrast(1.1);
  transform: scale(1.15);
}

.logo-item:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: scale(1.08);
  border: 1px solid rgba(255,255,255,0.14);
}

/* Botones de navegación */
.logos-nav {
  background: rgba(255,255,255,0.05);
  border: 1px solid #333;
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.logos-nav:hover {
  background: rgba(255,255,255,0.12);
  border-color: #666;
  transform: translateY(-2px);
}

/* ------------------------------------- */
/* RESPONSIVE BREAKPOINTS GENERALES */
/* ------------------------------------- */

@media (max-width: 1200px) {
  .section-inner {
    bottom: 160px;
    left: 80px;
    max-width: 480px;
  }

  .section-inner h2 {
    font-size: 40px;
  }
}

@media (max-width: 960px) {
  .desktop-main-menu { display: none; }
  .mobile-only { display: block; }

  .main-header {
    height: 80px;
    padding: 0 16px;
    background: rgba(0,0,0,0.95);
  }

  section {
    height: auto;
    min-height: 100vh;
    padding-bottom: 60px;
  }

  .section-inner {
    bottom: 140px;
    left: 40px;
    max-width: 420px;
  }

  .section-inner h2 {
    font-size: 34px;
  }

  .section-inner-center h3 { font-size: 75px; }

  /* Sección de contacto en layout normal en móviles/tablet */
  .contact-section {
    height: auto;
    min-height: 100vh;
    padding-top: 110px;
    padding-bottom: 70px;
  }

  .contact-inner {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    max-width: calc(100% - 40px);
    margin: 0 auto;
  }

  .contact-inner h2 {
    font-size: 32px;
  }

  .contact-form {
    padding: 20px 18px 18px;
  }

  .logo-item img {
    max-height: 56px;
  }
}

/* ----------- Mobile medio (teléfonos grandes) ----------- */
@media (max-width: 768px) {

  .main-header {
    height: 72px;
    padding: 0 14px;
    background: rgba(0,0,0,0.98);
  }

  .logo { width: 150px; }

  section {
    min-height: 100vh;
    padding-top: 90px;      /* deja espacio para el header fijo */
    padding-bottom: 60px;
  }

  /* Contenido hero y de secciones más legible */
}

@media (max-width: 768px) {

  .section-inner {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 18px;
    text-align: left;
  }

  .section-inner h4 {
    font-size: 13px;
    margin-bottom: 6px;
  }

  .section-inner h2 {
    font-size: 30px;
    line-height: 1.2;
    margin-bottom: 18px;
  }

  /* Botones ancho completo en móvil */
  .btn {
    width: 100%;
    padding: 12px 20px;
    text-align: center;
  }

  /* Logos carrusel más cómodo en móvil */
  .logos-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .logos-slider {
    width: 100%;
  }

  .logos-track {
    gap: 28px;
  }

  .logo-item {
    padding: 10px 16px;
    border-radius: 14px;
  }

  .logo-item img {
    max-height: 44px;
  }

  .logos-nav {
    width: 30px;
    height: 30px;
    font-size: 15px;
    align-self: flex-end;
  }

  .logos-section {
    margin-top: 30px;
  }

  .logos-title {
    font-size: 22px;
  }

  /* Video del hero más a la izquierda en móvil */
  .section-a .bg-video {
    object-position: 45% center;
  }

  /* Fondos de secciones desplazados un poco hacia la derecha también */
  .section-b,
  .section-c,
  .section-d,
  .section-e,
  .section-f {
    background-position: center right;
  }

  .section-inner-center {
    width: 90%;
  }

  .section-inner-center h3 {
    font-size: 60px;
  }

  .stats {
    flex-direction: column;
  }

  .stats div {
    margin-bottom: 20px;
  }
}

/* ----------- Mobile pequeño (≤600px) ----------- */
@media (max-width: 600px) {

  .logo { width: 140px; }

  .section-inner {
    padding: 0 16px;
  }

  .section-inner h4 {
    font-size: 12px;
  }

  .section-inner h2 {
    font-size: 26px;
  }

  .section-inner-center h3 { font-size: 50px; }

  footer ul {
    flex-direction: column;
  }

  footer ul li {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .stats {
    flex-direction: column;
  }

  .stats div {
    margin-bottom: 20px;
  }

  .logo-item {
    padding: 10px 14px;
  }

  .logo-item img {
    max-height: 40px;
    filter: grayscale(10%) brightness(1.2);
  }

  /* todavía un poco más a la izquierda */
  .section-a .bg-video {
    object-position: 40% center;
  }
}

/* ----------- Mobile muy pequeño (≤480px) ----------- */
@media (max-width: 480px) {

  .section-inner h2 {
    font-size: 24px;
  }

  .section-inner h4 {
    font-size: 11px;
  }

  .contact-inner,
  .contact-form {
    max-width: 100%;
    padding-left: 16px;
    padding-right: 16px;
  }

  .form-row {
    flex-direction: column;
    gap: 10px;
  }
}

/* ========================================= */
/* ALERTA DE FORMULARIO (ÉXITO / ERROR)     */
/* ========================================= */

.form-alert {
  margin-bottom: 14px;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  text-transform: none;
  border: 1px solid transparent;
  background: transparent;
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.form-alert--show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.form-alert--success {
  border-color: rgba(34, 197, 94, 0.6);
  background: radial-gradient(circle at top left,
              rgba(34, 197, 94, 0.18),
              rgba(0, 0, 0, 0.9));
}

.form-alert--error {
  border-color: rgba(248, 113, 113, 0.7);
  background: radial-gradient(circle at top left,
              rgba(248, 113, 113, 0.2),
              rgba(0, 0, 0, 0.9));
}