:root {
    --bg-dark: #0d1b2a;
    --text-dark: #ffffff;
    --primary-dark: #1b263b;
    --secondary-dark: #415a77;

    --bg-light: #e0f0ff;
    --text-light: #0d1b2a;
    --primary-light: #c8dcff;
    --secondary-light: #d9edff;

    --bg-color: var(--bg-dark);
    --text-color: var(--text-dark);
    --primary-color: var(--primary-dark);
    --secondary-color: var(--secondary-dark);

    --accent-color: #92caf7;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.5s ease, color 0.5s ease;
}

body.dark-mode {
    background-color: var(--bg-color);
    color: var(--text-color);
}

body.light-mode {
    background-color: var(--bg-light);
    color: var(--text-light);
    --accent-color: #01203b;
    --bg-color: var(--bg-light);
    --text-color: var(--text-light);
    --primary-color: var(--primary-light);
    --secondary-color: var(--secondary-light);
}

body.light-mode .btn-outline-light {
    border-color: var(--text-light);
    color: var(--text-light);
}

body.light-mode .btn-outline-light:hover {
    background-color: var(--text-light);
    color: var(--bg-light);
}

.scroll-btn {
    color: var(--accent-color);
    transition: transform 0.3s ease;
    transition: color 0.5s ease;
    transition: opacity 0.4s ease;
}

.scroll-btn.hidden {
  opacity: 0;
  pointer-events: none;
}

.scroll-btn:hover {
    transform: translateY(5px);
}

.text-accent {
    color: var(--accent-color);
}

.sobre-mi-section {
    background-color: var(--primary-color);
    color: var(--text-color);
    transition: background-color 0.5s ease, color 0.5s ease;
    cursor: default;
    user-select: none;
}

.sobre-mi-section p {
    line-height: 1.5;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.sobre-mi-section.fade-in p {
    opacity: 1;
    transform: translateY(0);
}

.sobre-mi-section h2,
.sobre-mi-section h5 {
    color: var(--accent-color);
    transition: color 0.5s ease;
}

.tech-carousel-wrapper {
    overflow: hidden;
    width: 100%;
    background-color: var(--primary-color);
    padding: 2rem 0;
    position: relative;
}

.tech-carousel {
    display: flex;
    gap: 2rem;
    animation: scroll-left 60s linear infinite;
    width: max-content;
    white-space: nowrap;
}

.tech-card {
    flex: 0 0 auto;
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 1rem;
    border-radius: 0.75rem;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    display: flex;
    /* flex-direction: column; */
    align-items: center;
    justify-content: center;
    transition: background-color 0.4s ease, color 0.4s ease, transform 0.3s ease;
    min-width: 100px;
    text-align: center;
    cursor: default;
    user-select: none;
}

.tech-card:hover {
    transform: scale(1.05);
}

.tech-name {
    /* margin-top: 0.5rem; */
    padding-left: .5rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.tech-carousel:hover {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0,0,0,0.4);
    border: none;
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    transition: background-color 0.3s ease;
}

.carousel-arrow:hover {
    background-color: rgba(0,0,0,0.7);
}

.carousel-arrow.left {
    left: 1rem;
}

.carousel-arrow.right {
    right: 1rem;
}

body.light-mode .carousel-arrow {
    background-color: rgba(255, 255, 255, 0.6);
    color: black;
}

body.light-mode .carousel-arrow:hover {
    background-color: rgba(255, 255, 255, 0.85);
}

.projects-carousel-wrapper {
  position: relative;
  width: 80%;
  margin: 0 auto;
  overflow: hidden;
  padding: 2rem 0;
}

.projects-carousel {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  height: 300px; /* ajustá según el contenido */
}

.project-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;         /* Más ancha */
  max-width: 90vw;      /* Responsive */
  min-height: 250px;    /* Alto fijo para más presencia */
  border-radius: 1rem;
  background-color: var(--secondary-color);
  color: var(--text-color);
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.25);
  display: flex;
  overflow: hidden;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.85);  /* Centrado vertical y horizontal */
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.project-card.active {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%) scale(1);
  z-index: 10;
}

.project-card img {
  width: 45%;         /* Imagen más ancha */
  object-fit: cover;  /* Que no se deforme */
}

.project-info {
  padding: 1.5rem 2rem;
  width: 55%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-info h5 {
  margin: 0 0 1rem;
  color: var(--accent-color);
  font-weight: 700;
  font-size: 1.5rem;
}

.project-info p {
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text-color);
}
.project-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.4);
  border: none;
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 50%;
  cursor: pointer;
  z-index: 20;
  transition: background-color 0.3s ease;
}

.project-arrow:hover {
  background-color: rgba(0, 0, 0, 0.7);
}

.project-arrow.left {
  left: 0.5rem;
}

.project-arrow.right {
  right: 0.5rem;
}

body.light-mode .project-arrow {
  background-color: rgba(255, 255, 255, 0.6);
  color: black;
}

body.light-mode .project-arrow:hover {
  background-color: rgba(255, 255, 255, 0.85);
}

.footer {
  background-color: var(--primary-color);
  color: var(--text-color);
  transition: background-color 0.5s ease, color 0.5s ease;
  user-select: none;
}

.footer a {
  color: var(--accent-color);
  transition: color 0.3s ease;
  text-decoration: none;
}

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

.footer span {
  font-weight: 500;
  font-size: 0.95rem;
  user-select: none;
}