/* ================= VARIABLES ================= */
:root {
  --bg-color: #040814;
  --card-bg: rgba(13, 20, 38, 0.6);
  --card-border: rgba(255, 255, 255, 0.05);
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --accent-cyan: #00d2ff;
  --accent-blue: #3b82f6;
  --accent-purple: #7c3aed;
  --font-main: 'Inter', sans-serif;
}

/* ================= RESET & BASE ================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px; /* Evita que el header tape los títulos al hacer click en los links */
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ================= HEADER ================= */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #040814; /* Color sólido para que no se superponga raro */
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--card-border);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.logo-icon {
  color: var(--accent-cyan);
  font-size: 1.8rem;
}

.fw-light {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.lang-switch {
  display: flex;
  gap: 1rem;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.3s;
}

.lang-btn.active {
  color: var(--accent-blue);
}

/* ================= HERO SECTION ================= */
.hero {
  padding: 6rem 0;
  background: radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.15), transparent 40%),
              radial-gradient(circle at 30% 70%, rgba(124, 58, 237, 0.1), transparent 40%);
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url('img/hero-bg.jpg'); /* Asegúrate de que esta ruta exista o usa un efecto CSS */
  background-size: cover;
  background-position: center;
  opacity: 0.3;
  z-index: -1;
  pointer-events: none;
}

.hero-content {
  max-width: 800px;
}

.tag {
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-text {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  font-weight: 500;
  transition: opacity 0.3s;
}

.btn-primary:hover {
  opacity: 0.9;
}

/* ================= SERVICES SECTION ================= */
.services {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 3rem;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  margin: 0.5rem auto 0;
}

.text-blue {
  color: var(--accent-blue);
  font-weight: 400;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(59, 130, 246, 0.4);
}

.icon-wrapper {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* ================= TECHNOLOGIES SECTION ================= */
.tech {
  padding: 4rem 0;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.tech-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  font-size: 0.95rem;
  font-weight: 500;
  min-width: 150px; /* Ancho mínimo */
  /* Eliminamos la propiedad 'flex' que hacía que Docker se estirara al 100% */
  transition: transform 0.3s, border-color 0.3s;
}

.tech-card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.4);
}

.tech-card img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* Clase vital para el cambio de idioma */
.hidden {
  display: none !important;
}

/* ================= CONTACT SECTION ================= */
.contact {
  padding: 5rem 0;
  background: linear-gradient(180deg, transparent, rgba(59, 130, 246, 0.05));
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.tag-sm {
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.contact-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-desc {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.mail-box {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.1rem;
  color: var(--text-main);
}

.mail-box i {
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 1rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.btn-submit {
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  color: white;
  border: none;
  padding: 1rem;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  transition: opacity 0.3s;
}

.btn-submit:hover {
  opacity: 0.9;
}

.form-disclaimer {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

/* ================= FOOTER ================= */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--card-border);
  background-color: #03060c;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  transition: color 0.3s, border-color 0.3s;
}

.social-links a:hover {
  color: var(--text-main);
  border-color: var(--accent-cyan);
}

/* ================= RESPONSIVE ================= */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-content { flex-direction: column; gap: 1rem; text-align: center; }
}