.header__simple {
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 9999;
  transition: box-shadow 0.4s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header__simple.is-scrolled .header__container {
  height: 82px;
}

.header__simple.is-scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  max-width: 1400px;
  margin: 0 auto;
  height: 110px; /* más alto para ver bien el efecto */
  transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.content__logo {
  display: flex;
  align-items: center;
  padding-top: 8px;
}

.content__logo img {
  max-height: 75px;
  width: auto;
  object-fit: contain;
  display: block;
}

.hamburger__menu {
  width: 30px;
  height: 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 10001;
  position: relative;
}

.hamburger__line {
  width: 100%;
  height: 3px;
  background-color: #333;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger__menu.active .hamburger__line:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
  opacity: 0;
}

.hamburger__menu.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger__menu.active .hamburger__line:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
  opacity: 0;
}

.sidenav__menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 320px;
  height: 100vh;
  background-color: #ffffff;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
  transition: right 0.3s ease;
  z-index: 10000;
  overflow-y: auto;
  padding: 80px 0 40px 0;
}

.sidenav__menu.active {
  right: 0;
}

.sidenav__close {
  position: absolute;
  top: 20px;
  right: 25px;
  font-size: 40px;
  cursor: pointer;
  color: #333;
  line-height: 1;
  transition: color 0.3s ease;
}

.sidenav__close:hover {
  color: #2B7BB9;
}

.sidenav__list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidenav__item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sidenav__link {
  display: block;
  padding: 20px 30px;
  text-decoration: none;
  color: #333;
  font-size: 16px;
  font-weight: 500;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.sidenav__link-text {
  display: inline-block;
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}

/* Animated underline effect - Blue gradient only */
.sidenav__link-text::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  bottom: -6px;
  left: 0;
  background: linear-gradient(90deg, #2B7BB9 0%, #1a6a9e 50%, #0F5984 100%);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(43, 123, 185, 0.3);
}

/* Subtle background gradient on hover - Blue only */
.sidenav__link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(43, 123, 185, 0.03) 0%, 
    rgba(43, 123, 185, 0.08) 50%, 
    rgba(43, 123, 185, 0.04) 100%);
  transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.sidenav__link:hover::before {
  left: 0;
}

.sidenav__link:hover {
  padding-left: 40px;
  color: #2B7BB9;
}

.sidenav__link:hover .sidenav__link-text {
  color: #2B7BB9;
}

.sidenav__link:hover .sidenav__link-text::after {
  width: 100%;
}

/* Active state for current section - Blue only */
.sidenav__link.active {
  color: #2B7BB9;
  background: linear-gradient(90deg, 
    rgba(43, 123, 185, 0.06) 0%, 
    rgba(43, 123, 185, 0.02) 100%);
  border-left: 3px solid #2B7BB9;
  padding-left: 37px;
}

.sidenav__link.active .sidenav__link-text::after {
  width: 100%;
  background: linear-gradient(90deg, #2B7BB9 0%, #0F5984 100%);
}

.sidenav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 9999;
}

.sidenav__overlay.active {
  opacity: 1;
  visibility: visible;
}

body {
  padding-top: 120px;
}

html {
  scroll-behavior: smooth;
}

@media screen and (max-width: 768px) {
  body {
    padding-top: 100px;
  }
  
  .header__container {
    padding: 0 20px;
  }
  
  .sidenav__menu {
    width: 280px;
  }
  
  .sidenav