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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--fg-1);
  min-height: 100vh;
  background-color: var(--bg-page);
}

img, svg {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
  color: inherit;
}

/* ── Ocultar elementos con [hidden] ── */
[hidden] { display: none !important; }

/* ── Wrapper principal ── */
.site-wrapper {
  max-width: var(--wrapper-max);
  margin: 0 auto;
  background: var(--bg-0);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-md);
  box-shadow: var(--shadow-lg);
  min-height: calc(100vh - 40px);
  margin-top: 20px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Navbar ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-h);
  background: #222222;
  border-bottom: none;
}

.site-header__inner {
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-header__logo {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
  color: #ffffff;
  flex-shrink: 0;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.site-header__nav a {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .65);
  transition: color .15s, background .15s;
}

.site-header__nav a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, .10);
}

.site-header__nav a.current {
  color: #ffffff;
  background: var(--accent-from);
}

/* ── Contenido principal ── */
.site-content {
  flex: 1;
  padding: 28px 24px 48px;
}

/* ── Footer ── */
.site-footer {
  padding: 16px 24px;
  font-size: 0.8125rem;
  color: var(--fg-3);
  border-top: 1px solid var(--border);
  text-align: center;
  background: var(--bg-1);
}

/* ── Tipografía ── */
h1, h2, h3, h4 {
  color: var(--fg-0);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-title {
  font-size: 1.375rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--fg-0);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--accent-grad);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ── Navbar responsive ── */

@media (max-width: 520px) {
    .site-header__inner {
        padding: 0 14px;
        gap: 4px;
    }

    .site-header__logo {
        font-size: 0.875rem;
    }

    .site-header__nav {
        gap: 1px;
    }

    .site-header__nav a {
        padding: 5px 10px;
        font-size: 0.75rem;
        letter-spacing: .03em;
    }
}

@media (max-width: 380px) {
    .site-header__inner {
        padding: 0 10px;
    }

    .site-header__logo {
        font-size: 0.8125rem;
        letter-spacing: 0;
    }

    .site-header__nav a {
        padding: 5px 8px;
        font-size: 0.6875rem;
        letter-spacing: 0;
    }
}

/* ── Utilidades ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}