/* LAYOUT CSS — danielzarate.com */

/* ════════════════════════════════════════════════════════
   HEADER / NAV
   ════════════════════════════════════════════════════════ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  height: var(--nav-height);
  display: flex; align-items: center;
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--ease-base);
}
.site-header .header-inner {
  width: 100%; max-width: var(--container-xl);
  margin-inline: auto; padding-inline: clamp(1rem,4vw,2rem);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-8);
}

/* Sombra al hacer scroll */
.site-header.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-default);
  height: var(--nav-height-compact);
  box-shadow: var(--shadow-nav);
}

/* Logo */
.nav-logo {
  display: flex; align-items: center; gap: var(--sp-3);
  text-decoration: none; flex-shrink: 0;
}
.nav-logo-mark {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--fw-extrabold); font-size: 1rem; color: #fff;
  box-shadow: var(--shadow-btn);
  flex-shrink: 0;
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-name {
  font-size: 1rem; font-weight: var(--fw-bold);
  color: var(--text-base); letter-spacing: -0.02em;
}
.nav-logo-role { font-size: 0.65rem; color: var(--text-faint); font-weight: var(--fw-medium); letter-spacing: 0.05em; text-transform: uppercase; }

/* Nav links desktop */
.nav-menu {
  display: flex; align-items: center; gap: var(--sp-1);
  list-style: none;
}
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.875rem; font-weight: var(--fw-medium);
  color: var(--text-muted);
  border-radius: var(--radius-md);
  transition: all var(--ease-fast);
  text-decoration: none;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-glow);
}
.nav-link svg { width: 14px; height: 14px; transition: transform var(--ease-fast); }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 50%;
  transform: translateX(-50%);
  min-width: 240px;
  background: var(--bg-base);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--sp-2);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all var(--ease-base);
  z-index: var(--z-overlay);
}
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-item:hover > .nav-link svg { transform: rotate(180deg); }
.dropdown-link {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-lg);
  font-size: 0.8125rem; color: var(--text-muted);
  transition: all var(--ease-fast);
  text-decoration: none;
}
.dropdown-link:hover { background: var(--bg-surface); color: var(--color-primary); }
.dropdown-link .dropdown-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--gradient-brand-soft);
  display: flex; align-items: center; justify-content: center;
}
.dropdown-link .dropdown-icon svg { width: 13px; height: 13px; color: var(--color-primary); }
.dropdown-link span { font-weight: var(--fw-medium); }

/* Wide grouped dropdown (Módulos) */
.nav-dropdown--wide {
  min-width: 520px;
  left: 0;
  transform: translateX(-20%) translateY(-8px);
}
.nav-item:hover .nav-dropdown--wide,
.nav-item:focus-within .nav-dropdown--wide {
  transform: translateX(-20%) translateY(0);
}
.dropdown-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--sp-2);
  padding: var(--sp-1);
}
.dropdown-group { padding: var(--sp-1) 0; }
.dropdown-group-label {
  display: block;
  font-size: 0.625rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  padding: var(--sp-2) var(--sp-4) var(--sp-1);
}
.dropdown-group + .dropdown-group { border-top: 1px solid var(--border-subtle); }

/* Nav CTA */
.nav-cta { margin-left: var(--sp-4); flex-shrink: 0; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; width: 40px; height: 40px;
  background: none; border: 1px solid var(--border-default);
  border-radius: var(--radius-md); cursor: pointer;
  transition: border-color var(--ease-fast);
}
.nav-toggle:hover { border-color: var(--border-accent); }
.nav-toggle span {
  display: block; width: 20px; height: 1.5px;
  background: var(--text-muted); border-radius: 2px;
  transition: all var(--ease-base); transform-origin: center;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── MOBILE NAV ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .nav-menu, .nav-cta { display: none; }

  .nav-menu.is-open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-height-compact); left: 0; right: 0; bottom: 0;
    background: var(--bg-base);
    padding: var(--sp-6) var(--sp-4);
    overflow-y: auto;
    border-top: 1px solid var(--border-subtle);
    gap: var(--sp-1);
    animation: fadeIn 0.2s ease;
    z-index: var(--z-nav);
  }
  .nav-cta.is-open { display: flex; margin-top: var(--sp-4); width: 100%; }
  .nav-cta.is-open .btn { width: 100%; }

  .nav-item { width: 100%; }
  .nav-link { width: 100%; padding: var(--sp-4); font-size: 1rem; border-radius: var(--radius-lg); }
  .nav-dropdown {
    position: static; transform: none;
    min-width: auto; width: 100%;
    box-shadow: none; border: none;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    margin-top: var(--sp-1);
    padding: var(--sp-2);
  }
  .nav-item:hover .nav-dropdown,
  .nav-item:focus-within .nav-dropdown { transform: none; }
  .dropdown-link { padding: var(--sp-3) var(--sp-4); font-size: 0.9rem; }
  .nav-dropdown--wide { min-width: auto; transform: none; }
  .nav-item:hover .nav-dropdown--wide,
  .nav-item:focus-within .nav-dropdown--wide { transform: none; }
  .dropdown-cols { grid-template-columns: 1fr; }
  .dropdown-group + .dropdown-group { border-top: none; }
}

/* ════════════════════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════════════════════ */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding-top: var(--nav-height);
  position: relative;
  overflow: hidden;
  background: var(--bg-base);
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--grid-pattern);
  pointer-events: none;
  opacity: 1;
}
.hero .container { position: relative; z-index: 1; }

.hero-content {
  max-width: 720px;
  padding-block: var(--sp-20);
}
.hero-eyebrow { margin-bottom: var(--sp-6); }
.hero-title   { margin-bottom: var(--sp-6); }
.hero-subtitle {
  font-size: clamp(1rem, 1.5vw + 0.2rem, 1.2rem);
  color: var(--text-muted); line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-10);
  max-width: 58ch;
}
.hero-actions {
  display: flex; gap: var(--sp-4); flex-wrap: wrap;
  margin-bottom: var(--sp-12);
}
.hero-trust {
  display: flex; align-items: center; gap: var(--sp-6); flex-wrap: wrap;
}
.hero-trust-item {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: 0.8rem; color: var(--text-faint); font-weight: var(--fw-medium);
}
.hero-trust-item svg { width: 14px; height: 14px; color: var(--color-success); }

/* Orbs decorativos — sutiles sobre fondo claro */
.hero-orb {
  position: absolute; right: -8%; top: 50%; transform: translateY(-50%);
  width: clamp(300px, 40vw, 560px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30,64,175,0.06) 0%, transparent 70%);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}
.hero-orb-2 {
  position: absolute; left: -4%; bottom: 8%;
  width: clamp(150px, 20vw, 280px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8,145,178,0.05) 0%, transparent 70%);
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

/* ════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════ */
.site-footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--sp-20);
  padding-bottom: var(--sp-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-16);
}
.footer-brand p { font-size: 0.875rem; color: var(--text-muted); margin-top: var(--sp-4); max-width: 32ch; line-height: var(--lh-relaxed); }
.footer-social {
  display: flex; gap: var(--sp-3); margin-top: var(--sp-6);
}
.social-link {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-base);
  border: 1px solid var(--border-default);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint);
  transition: all var(--ease-base);
}
.social-link:hover { border-color: var(--border-accent); color: var(--color-primary); background: var(--color-primary-glow); }
.social-link svg { width: 15px; height: 15px; }

.footer-col h4 {
  font-size: 0.75rem; font-weight: var(--fw-semibold);
  text-transform: uppercase; letter-spacing: var(--ls-wider);
  color: var(--text-base); margin-bottom: var(--sp-6);
}
.footer-links { display: flex; flex-direction: column; gap: var(--sp-3); }
.footer-links a { font-size: 0.875rem; color: var(--text-muted); transition: color var(--ease-fast); }
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: var(--sp-4);
}
.footer-bottom p { font-size: 0.8rem; color: var(--text-faint); }
.footer-bottom a { color: var(--color-accent); transition: color var(--ease-fast); }
.footer-bottom a:hover { color: var(--color-accent-dark); }

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ════════════════════════════════════════════════════════
   FOOTER — variante compacta (páginas de servicio / IA)
   Estructura: .footer-inner > .footer-brand + .footer-nav
   ════════════════════════════════════════════════════════ */
.footer-inner {
  max-width: var(--container-xl);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}
.footer-nav {
  display: flex; gap: var(--sp-12); align-items: flex-start;
}
.footer-col {
  display: flex; flex-direction: column; gap: var(--sp-3);
}
.footer-heading {
  display: block;
  font-size: 0.75rem; font-weight: var(--fw-semibold);
  text-transform: uppercase; letter-spacing: var(--ls-wider);
  color: var(--text-base); margin-bottom: var(--sp-3);
}
.footer-col a {
  font-size: 0.875rem; color: var(--text-muted);
  transition: color var(--ease-fast);
}
.footer-col a:hover { color: var(--color-primary); }

@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer-nav   { flex-wrap: wrap; gap: var(--sp-8); }
}
@media (max-width: 640px) {
  .footer-nav { flex-direction: column; gap: var(--sp-6); }
}

/* ════════════════════════════════════════════════════════
   PAGE SECTIONS — paddings y espaciados
   ════════════════════════════════════════════════════════ */
main { padding-top: var(--nav-height); }
main.has-hero { padding-top: 0; }

/* Service page layout */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--sp-16));
  padding-bottom: var(--sp-20);
  position: relative; overflow: hidden;
  background: var(--bg-base);
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--gradient-hero);
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--grid-pattern);
  pointer-events: none; opacity: 0.8;
}
.page-hero .container { position: relative; z-index: 1; }

/* Two-column layout */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--section-gap); align-items: center; }
.two-col-reverse { direction: rtl; }
.two-col-reverse > * { direction: ltr; }

@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }

/* Visual card (mockup placeholder) */
.visual-card {
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-default);
  overflow: hidden;
  background: var(--bg-surface);
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.visual-card .visual-placeholder {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--sp-4); color: var(--text-faint);
}
.visual-card .visual-placeholder svg { width: 48px; height: 48px; opacity: 0.25; }

/* ════════════════════════════════════════════════════════
   STICKY CTA MOBILE
   ════════════════════════════════════════════════════════ */
.sticky-cta-mobile {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border-default);
  padding: var(--sp-4) var(--sp-4);
  z-index: calc(var(--z-nav) - 1);
  gap: var(--sp-3);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}
@media (max-width: 768px) {
  .sticky-cta-mobile { display: flex; }
  .sticky-cta-mobile .btn { flex: 1; justify-content: center; font-size: 0.875rem; }
  body { padding-bottom: 80px; }
}

/* ════════════════════════════════════════════════════════
   BACK TO TOP
   ════════════════════════════════════════════════════════ */
.back-to-top {
  position: fixed; bottom: 2rem; left: 2rem;
  z-index: var(--z-overlay);
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: var(--bg-base);
  border: 1px solid var(--border-default);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all var(--ease-base);
  opacity: 0; visibility: hidden;
  text-decoration: none;
  box-shadow: var(--shadow-md);
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { border-color: var(--border-accent); color: var(--color-primary); transform: translateY(-2px); }
.back-to-top svg { width: 18px; height: 18px; }

/* ════════════════════════════════════════════════════════
   HERO GRID — dos columnas (texto + visual)
   ════════════════════════════════════════════════════════ */
.hero-grid {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: clamp(var(--sp-8), 5vw, var(--sp-16));
  align-items: center;
  width: 100%;
  padding-block: clamp(var(--sp-12), 8vh, var(--sp-24));
}
.hero-grid .hero-content { max-width: none; padding-block: 0; }
.hero-visual { position: relative; }

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
    padding-block: var(--sp-16);
  }
  .hero-visual { order: -1; }
}