/* ===== THEME VARIABLES ===== */
:root {
  --bg-color: #ffffff;
  --text-color: #212529;
  --section-bg: #f8f9fa;
  --card-bg: #ffffff;
  --navbar-bg: #212529;
}

[data-theme="dark"] {
  --bg-color: #121212;
  --text-color: #f1f1f1;
  --section-bg: #1e1e1e;
  --card-bg: #1f1f1f;
  --navbar-bg: #000000;
}
body {
  background-color: var(--bg-color);
  color: var(--text-color);
}
html {
  scroll-behavior: smooth;
}
body {
  padding-top: 70px;
}
section {
  background-color: var(--section-bg);
}

.card {
  background-color: var(--card-bg);
  color: var(--text-color);
}

.navbar {
  background-color: var(--navbar-bg) !important;
}
.nav-link {
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: #0d6efd;
}


.hero {
  min-height: 100vh;
  background: linear-gradient(
    135deg,
    #0d6efd 0%,
    #6610f2 100%
  );
  color: white;
}

.hero-img {
  max-width: 320px;
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}


#sobre-mi {
  background-color: #f8f9fa;
}

#sobre-mi h2 {
  position: relative;
}

#sobre-mi h2::after {
  content: "";
  width: 60px;
  height: 4px;
  background-color: #0d6efd;
  display: block;
  margin-top: 10px;
}

.project-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

#habilidades ul li {
  padding: 6px 0;
}

#habilidades .card {
  transition: transform 0.3s ease;
}

#habilidades .card:hover {
  transform: translateY(-6px);
}

#contacto input:focus,
#contacto textarea:focus {
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

footer a {
  transition: color 0.3s ease;
}

footer a:hover {
  color: #0d6efd;
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.cv-section {
  background-color: var(--section-bg);
}

.cv-section .btn {
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 600;
  transition: transform 0.3s ease;
}

.cv-section .btn:hover {
  transform: translateY(-3px);
}