/* === Base === */
:root {
  --brand: #4f46e5;   /* Indigo */
  --brand-2: #22c55e; /* Verde */
  --text-dark: #1e293b;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-light) 100%);
  color: var(--text-dark);
}

/* === Navbar === */
.navbar {
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.navbar-brand span {
  color: var(--brand);
  font-weight: 700;
  font-size: 1.2rem;
}

/* === Hero Section === */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}

.hero h1 {
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--brand);
}

.hero p.lead {
  color: var(--text-light);
  max-width: 760px;
  margin: 0 auto 24px;
}

.cta-buttons .btn {
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
}

/* === Features Section === */
.feature-icon {
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: #eef2ff;
  margin: 0 auto 12px;
}

.feature-icon svg {
  width: 26px;
  height: 26px;
  color: var(--brand);
}

h5.fw-bold {
  color: var(--text-dark);
}

p.mb-0 {
  color: var(--text-light);
}

/* === Language Switcher === */
.lang-switch a {
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  color: #334155;
  border: 1px solid #e2e8f0;
  background: #fff;
  margin-right: 6px;
  font-weight: 600;
  transition: all 0.2s ease-in-out;
}

.lang-switch a:hover {
  background: #f1f5f9;
}

.lang-switch a.active {
  background: #eef2ff;
  border-color: #c7d2fe;
  color: #1e293b;
}

/* === Footer === */
footer {
  border-top: 1px solid #e5e7eb;
  padding: 24px 0;
  color: var(--text-light);
  text-align: center;
}

footer a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 500;
}

footer a:hover {
  text-decoration: underline;
}