/* =========================================
   Nada Está Escrito — Shared Styles
   ========================================= */

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

:root {
  --bg:            #0a0a0f;
  --surface:       rgba(255,255,255,0.025);
  --surface-hover: rgba(255,255,255,0.045);
  --border:        rgba(255,255,255,0.08);
  --border-dim:    rgba(255,255,255,0.05);
  --text:          oklch(0.92 0.008 285);
  --text-2:        oklch(0.60 0.012 285);
  --text-3:        oklch(0.52 0.010 285);
  --purple:        oklch(0.66 0.14 290);
  --purple-dim:    oklch(0.50 0.10 290);
  --green:         oklch(0.72 0.14 150);
  --font:          'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ── Ambient glow layer ──────────────────── */
.glow-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.glow-purple {
  position: absolute;
  width: 800px; height: 800px;
  background: radial-gradient(circle, oklch(0.42 0.13 290 / 0.10) 0%, transparent 65%);
  top: -250px; left: 40%;
  transform: translateX(-50%);
}
.glow-blue {
  position: absolute;
  width: 560px; height: 560px;
  background: radial-gradient(circle, oklch(0.40 0.10 240 / 0.07) 0%, transparent 65%);
  bottom: 8%; right: -60px;
}

/* ── Navigation ──────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 2.5rem;
  gap: 1.5rem;
  background: oklch(0.065 0.008 285 / 0.78);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-dim);
}

/* SVG de definición de símbolos — no debe renderizarse */
.svg-defs { display: none !important; }

/* SVG inline del logo de nav — reemplaza width:auto;display:block inline */
.nav-logo-svg {
  width: auto;
  display: block;
}

.nav-logo {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.01em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.8125rem;
  color: var(--text-3);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-cta {
  flex-shrink: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  transition: border-color 0.2s, background 0.2s;
}
.nav-cta:hover {
  border-color: oklch(0.62 0.12 290 / 0.45);
  background: var(--surface-hover);
}

/* hamburger */
.hamburger {
  display: none;
  margin-left: auto;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 20px; height: 1px;
  background: var(--text-2);
  transition: transform 0.22s, opacity 0.22s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* mobile drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: 60px; left: 0; right: 0;
  background: oklch(0.065 0.008 285 / 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-dim);
  padding: 1.5rem 2.5rem;
  z-index: 190;
  flex-direction: column;
  gap: 1.25rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 0.9375rem;
  color: var(--text-2);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--text); }

/* ── Layout ──────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2.5rem;
  position: relative;
  z-index: 1;
}

/* ── Typography helpers ──────────────────── */
.section-label {
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--purple);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

h2 {
  font-size: clamp(1.625rem, 2.8vw, 2.375rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
  line-height: 1.15;
}

/* ── Buttons ─────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.65rem 1.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #0a0a0f;
  background: oklch(0.92 0.008 285);
  border: none;
  border-radius: 7px;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.80; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.65rem 1.375rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.2s, background 0.2s;
  white-space: nowrap;
}
.btn-secondary:hover {
  border-color: oklch(0.62 0.12 290 / 0.40);
  background: var(--surface-hover);
}

/* ── Footer ──────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-dim);
  padding: 1.75rem 0;
  position: relative;
  z-index: 1;
}
.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 300;
}
.footer-links {
  display: flex;
  gap: 1.75rem;
}
.footer-links a {
  font-size: 0.75rem;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-2); }

/* ── Scroll fade ─────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.in { opacity: 1; transform: none; }

/* ── Responsive ──────────────────────────── */
@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .container { padding: 0 1.5rem; }
}