@import url("https://fonts.googleapis.com/css2?family=Montserrat+Alternates:wght@400;500;700&display=swap");

:root {
  --header-height: 75px;
  --primary-blue: #132c4a;
  --primary-gold: #dca029;
  --secondary-gray: #7a7f87;
  --dark-blue: #0a1727;
  --white-color: #ffffff;
  --text-light: #e2e8f0;
  --body-font: "Montserrat Alternates", sans-serif;
  --h1-font-size: 2.5rem;
  --normal-font-size: 1rem;
  --font-regular: 400;
  --font-medium: 500;
  --font-bold: 700;
  --z-tooltip: 10;
  --z-fixed: 100;
}

@media screen and (min-width: 1150px) {
  :root {
    --h1-font-size: 3.5rem;
    --normal-font-size: 1.1rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  color: var(--white-color);
  
  background: linear-gradient(rgba(10, 23, 39, 0.85), rgba(19, 44, 74, 0.75)), url(images/crop-architect-opening-blueprint.jpg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  
  min-height: 100vh;
  /* Dynamic viewport para móviles */
  min-height: 100dvh; 
  display: flex;
  flex-direction: column;
}


@media screen and (min-width: 1024px) {
    body {
        background-attachment: fixed;
    }
}

ul { list-style: none; }
a { text-decoration: none; }

.hero-title {
  text-align: center;
  color: var(--white-color);
  font-size: var(--h1-font-size);
  font-weight: var(--font-bold);
  margin-top: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 2px 4px 10px rgba(0,0,0,0.5);
}

.hero-title .highlight {
  color: var(--primary-gold);
}


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

.header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  background-color: var(--primary-blue);
  border-bottom: 3px solid var(--primary-gold);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  z-index: var(--z-fixed);
}

.logo {
  height: calc(var(--header-height) - 10px); /* Altura dinámica que siempre encaja en el header */
  width: auto;
  max-width: 180px; /* Evita que crezca de más horizontalmente */
  padding: 5px 0;
  object-fit: contain; /* Asegura que la imagen no se deforme */
  filter: drop-shadow(0px 2px 4px rgba(0,0,0,0.3));
}

.nav {
  position: relative;
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  color: var(--white-color);
  font-weight: var(--font-medium);
}

.nav__close, 
.nav__toggle {
  display: flex;
  color: var(--primary-gold);
  font-size: 1.8rem;
  cursor: pointer;
  transition: transform 0.3s;
}

.nav__toggle:hover {
  transform: scale(1.1);
}

.nav__list {
  display: flex;
  flex-direction: column;
  row-gap: 3rem;
}

.nav__link {
  position: relative;
  color: var(--text-light);
  font-size: 1.2rem;
  font-weight: var(--font-medium);
  display: inline-flex;
  align-items: center;
  transition: color 0.4s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav__link i {
  font-size: 1.5rem;
  position: absolute;
  opacity: 0;
  visibility: hidden;
  color: var(--primary-gold);
  transition: opacity 0.4s, visibility 0.4s;
}

.nav__link span {
  position: relative;
  transition: margin 0.4s;
}

.nav__link span::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 0;
  height: 3px;
  background-color: var(--primary-gold);
  transition: width 0.4s ease-out;
}

.nav__link:hover { color: var(--white-color); }
.nav__link:hover span { margin-left: 2rem; }
.nav__link:hover i { opacity: 1; visibility: visible; }
.nav__link:hover span::after { width: 100%; }
.nav__list:has(.nav__link:hover) .nav__link:not(:hover) { opacity: 0.5; }

.nav__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

@media screen and (max-width: 1150px) {
  .nav__menu {
    position: fixed;
    top: 0;
    left: 0;
    transform: translateX(-100%);
    background-image: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    width: 100%;
    height: 100%;
    padding: 6rem 3.5rem 4.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: var(--z-fixed);
    border-right: 5px solid var(--primary-gold);
    will-change: transform;
  }

  .nav__item {
    transform: translateX(-150px);
    opacity: 0;
    transition: transform 0.4s ease-out, opacity 0.4s;
  }
  
  .show-menu { transform: translateX(0); }
  
  .show-menu .nav__item {
    opacity: 1;
    transform: translateX(0);
  }

  .nav__item:nth-child(1) { transition-delay: 0.1s; }
  .nav__item:nth-child(2) { transition-delay: 0.2s; }
  .nav__item:nth-child(3) { transition-delay: 0.3s; }
  .nav__item:nth-child(4) { transition-delay: 0.4s; }
}

@media screen and (min-width: 1150px) {
  .nav { height: calc(var(--header-height) + 1rem); }
  .nav__toggle, .nav__close { display: none; }
  .nav__link { font-size: 0.95rem; }
  .nav__list { flex-direction: row; column-gap: 4rem; }
  .nav__menu { 
      display: flex; 
      align-items: center; 
      transform: none !important; /* Resetea el transform en Desktop */
  }
}

.content-wrapper {
  position: relative;
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin-top: var(--header-height);
  padding: 3rem 0;
  overflow: hidden;
}

.swiper {
  position: relative;
  z-index: 2;
  width: 90%; 
  max-width: 1200px; 
  height: 480px; 
  padding-top: 30px;
  padding-bottom: 30px;
}

.swiper-slide {
  height: 100%; 
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
  border-radius: 12px;
  border: 2px solid rgba(220, 160, 41, 0.2); /* Borde sutil dorado en las fotos */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.4s, border-color 0.4s;
}

.swiper-slide:hover {
  border-color: var(--primary-gold);
  transform: translateY(-10px);
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover; 
}

@media (max-width: 991px) {
  .swiper { width: 85%; height: 400px; }
  .hero-title { font-size: 2rem; margin-top: 1rem; }
}

@media (max-width: 768px) {
  .swiper { width: 95%; height: 350px; }
  .hero-title { font-size: 1.5rem; }
}

footer {
  background-color: var(--dark-blue);
  border-top: 4px solid var(--primary-gold);
  color: var(--text-light);
  padding: 40px 0 20px;
  margin-top: auto; 
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  max-width: 1200px;
  margin: 0 auto;
}

.social-icons {
  display: flex;
  gap: 25px;
}

.social-icons a {
  color: var(--secondary-gray);
  font-size: 1.8rem;
  transition: color 0.3s ease, transform 0.3s;
}

.social-icons a:hover { 
  color: var(--primary-gold); 
  transform: translateY(-5px);
}

.footer-text {
  font-size: 0.95rem;
  text-align: center;
  max-width: 600px;
  line-height: 1.8;
  color: var(--secondary-gray);
}

.footer-text a {
  color: var(--primary-gold);
  text-decoration: none;
  font-weight: var(--font-bold);
  transition: color 0.3s ease;
}

.footer-text a:hover { color: var(--white-color); }

.whatsapp-multi-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

/* El botón verde principal */
.whatsapp-float-btn {
    background-color: #25D366;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 65px;
    height: 65px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.whatsapp-float-btn:hover {
    background-color: #1ebe57;
    transform: scale(1.1) rotate(5deg);
}

.whatsapp-float-btn i {
    font-size: 35px;
}

.whatsapp-menu {
    position: absolute;
    bottom: 85px; 
    right: 0;
    width: 280px;
    background: rgba(10, 23, 39, 0.95); 
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(220, 160, 41, 0.4);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: bottom right;
}

.show-wa-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.wa-menu-header {
    background-color: #25D366;
    color: #fff;
    padding: 15px;
    font-weight: 700;
    text-align: center;
    font-size: 1.05rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.wa-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background-color 0.3s ease;
}

.wa-option:last-child {
    border-bottom: none;
}

.wa-option:hover {
    background-color: rgba(220, 160, 41, 0.15); /* Se ilumina en dorado al pasar el mouse */
}

.wa-icon-mini {
    width: 35px;
    height: 35px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-gold);
    font-size: 1rem;
}

.wa-details {
    display: flex;
    flex-direction: column;
}

.wa-details span {
    color: #cbd5e1;
    font-size: 0.85rem;
    margin-bottom: 3px;
}

.wa-details strong {
    color: #ffffff;
    font-size: 1rem;
}