/* ==========================================================================
   Base Styles — shared across all themes
   No Pico CSS dependency — pure modern CSS
   ========================================================================== */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text, #1a1a1a);
  background-color: var(--color-bg, #ffffff);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-link, #2563eb);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading, var(--font-body));
  font-weight: var(--heading-weight, 700);
  line-height: 1.2;
  color: var(--color-heading, inherit);
  margin-bottom: 0.75em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
  margin-bottom: 1em;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4rem 0;
}

/* ---------- Header / Nav ---------- */
.site-header {
  padding: 1rem 0;
  background: var(--color-header-bg, transparent);
  border-bottom: var(--header-border, none);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: var(--header-blur, none);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-logo {
  font-family: var(--font-heading, var(--font-body));
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading, inherit);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo:hover {
  text-decoration: none;
}

.nav-main {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.nav-main a {
  color: var(--color-nav-link, inherit);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.nav-main a:hover {
  opacity: 0.7;
  text-decoration: none;
}

/* ---------- Language Switcher ---------- */
.lang-switcher {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  font-size: 0.85rem;
}

.lang-switcher a {
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-decoration: none;
  color: var(--color-lang, inherit);
  font-weight: 500;
}

.lang-switcher a:hover {
  background: var(--lang-hover-bg, rgba(0, 0, 0, 0.05));
  text-decoration: none;
}

.lang-switcher a.active {
  background: var(--color-lang-active, #333);
  color: #fff;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--btn-radius, 6px);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  line-height: 1.3;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--btn-primary-bg, #2563eb);
  color: var(--btn-primary-color, #fff);
}

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

.btn-secondary {
  background: transparent;
  color: var(--btn-secondary-color, #2563eb);
  border: 2px solid var(--btn-secondary-border, #2563eb);
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
}

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

/* ---------- Cards ---------- */
.card {
  background: var(--card-bg, #fff);
  border: var(--card-border, 1px solid var(--card-border-color, #e5e7eb));
  border-radius: var(--card-radius, 8px);
  padding: 1.5rem;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Section Headings ---------- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
  color: var(--color-accent, #2563eb);
}

.section-heading {
  margin-bottom: 0.5rem;
}

.section-subheading {
  font-size: 1.1rem;
  color: var(--color-muted, #6b7280);
  max-width: 600px;
}

/* ---------- Lists ---------- */
.bullet-list {
  list-style: none;
  padding: 0;
}

.bullet-list li {
  padding: 0.6rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.bullet-list li::before {
  content: var(--bullet-icon, "→");
  position: absolute;
  left: 0;
  color: var(--color-accent, #2563eb);
  font-weight: 700;
}

/* ---------- Form ---------- */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: var(--color-text, #1a1a1a);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1.5px solid var(--form-border, #d1d5db);
  border-radius: var(--form-radius, 6px);
  font-size: 1rem;
  font-family: inherit;
  background: var(--form-bg, #fff);
  color: var(--color-text, #1a1a1a);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent, #2563eb);
  box-shadow: 0 0 0 3px var(--form-focus-ring, rgba(37, 99, 235, 0.15));
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-muted, #6b7280);
  border-top: var(--footer-border, 1px solid #e5e7eb);
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-sm { gap: 0.75rem; }
.gap-md { gap: 1.5rem; }

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

.flex-wrap { flex-wrap: wrap; }

/* ---------- Pricing Card Special ---------- */
.pricing-highlight {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--price-color, var(--color-accent, #2563eb));
  line-height: 1.1;
}

.pricing-unit {
  font-size: 0.5em;
  font-weight: 400;
  opacity: 0.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  section {
    padding: 2.5rem 0;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-main {
    gap: 1rem;
  }
}

/* ---------- Print ---------- */
@media print {
  .site-header,
  .btn,
  .lang-switcher {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }
}