/* ============================================================
   LAYOUT — Header con announcement bar + scroll progress + footer
   ============================================================ */

/* ════════════════════════════════════════════════════════
   ANNOUNCEMENT BAR — top bar con valores en marquee
   ════════════════════════════════════════════════════════ */

.announcement-bar {
  background: var(--ink-900);
  color: var(--bg-pure);
  height: var(--topbar-h);
  overflow: hidden;
  position: relative;
  z-index: calc(var(--z-header) + 1);
}

.announcement-bar__track {
  display: flex;
  gap: var(--space-7);
  align-items: center;
  height: 100%;
  padding-left: 100%;
  animation: marquee 38s linear infinite;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
}

.announcement-bar__track:hover { animation-play-state: paused; }

.announcement-bar__item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--ink-100);
}

.announcement-bar__item::before {
  content: '';
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 6px solid var(--brand-400);
  flex-shrink: 0;
}

@keyframes marquee {
  to { transform: translateX(-100%); }
}


/* ════════════════════════════════════════════════════════
   SCROLL PROGRESS — barra de progreso de lectura
   Pegada al BORDE SUPERIOR del viewport (no al announcement bar)
   para evitar superposición cuando scrolleas y el announcement
   bar sale del viewport.
   ════════════════════════════════════════════════════════ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  z-index: 9999;
  pointer-events: none;
}

.scroll-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--brand-gradient);
  transition: width 100ms linear;
  box-shadow: 0 0 8px rgba(45, 78, 204, 0.4);
}


/* ════════════════════════════════════════════════════════
   HEADER — minimalista, geométrico, con backdrop-blur
   ════════════════════════════════════════════════════════ */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out-cubic),
              background-color var(--duration-base) var(--ease-out-cubic);
}

.site-header[data-scrolled="true"] {
  background-color: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--ink-100);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  height: var(--header-h);
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--content-px);
}

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-base);
  letter-spacing: var(--ls-wide);
  color: var(--ink-900);
  flex-shrink: 0;
  text-transform: uppercase;
}

.site-header__nav {
  display: none;
  gap: var(--space-6);
}

@media (min-width: 980px) {
  .site-header__nav { display: flex; }
}

.site-header__nav a {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--ink-600);
  transition: color var(--duration-fast) var(--ease-out-cubic);
  position: relative;
  padding-block: var(--space-2);
}

.site-header__nav a:hover { color: var(--brand-700); }

.site-header__nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--brand-gradient);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform var(--duration-base) var(--ease-out-quart);
}

.site-header__nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__phone {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--ink-600);
  letter-spacing: var(--ls-snug);
}

@media (min-width: 1140px) {
  .site-header__phone { display: inline-flex; }
}


/* Menu mobile */
.menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px; height: 44px;
  padding: 12px 10px;
  border-radius: var(--radius-sm);
  transition: background-color var(--duration-fast);
}
.menu-toggle:hover { background-color: var(--bg-cool); }
.menu-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink-900);
  border-radius: 2px;
  transition: transform var(--duration-base) var(--ease-out-quart);
}
@media (min-width: 980px) { .menu-toggle { display: none; } }


/* ════════════════════════════════════════════════════════
   FOOTER — azul brand profundo con patrón
   ════════════════════════════════════════════════════════ */

.site-footer {
  background: var(--brand-gradient);
  color: var(--brand-100);
  padding-block: var(--space-9) var(--space-6);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'%3E%3Cpath d='M14 22 L106 22 L60 110 Z' fill='none' stroke='%23ffffff' stroke-width='0.5' opacity='0.06'/%3E%3C/svg%3E");
  background-size: 240px 240px;
  pointer-events: none;
}

.site-footer > * { position: relative; }

.site-footer__top {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 720px) {
  .site-footer__top { grid-template-columns: 2fr 1fr; align-items: end; }
}

.site-footer__cta h2 {
  color: var(--bg-pure);
  margin-bottom: var(--space-4);
}

.site-footer__cta p {
  color: rgba(255,255,255,0.7);
  max-width: 50ch;
}

.site-footer__grid {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .site-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.site-footer h6 {
  color: var(--bg-pure);
  margin-bottom: var(--space-4);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  font-family: var(--font-mono);
  opacity: 0.7;
  font-weight: var(--fw-medium);
}

.site-footer ul { list-style: none; }
.site-footer li + li { margin-top: var(--space-2); }

.site-footer a {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--fs-sm);
  transition: color var(--duration-fast);
  font-family: var(--font-body);
}
.site-footer a:hover { color: var(--bg-pure); }

.site-footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--font-mono);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}


/* ════════════════════════════════════════════════════════
   GRID / SECTION HEADER
   ════════════════════════════════════════════════════════ */

.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

.section-header { max-width: 760px; margin-bottom: var(--space-8); }
.section-header--center { margin-inline: auto; text-align: center; }
.section-header h2 { margin-bottom: var(--space-4); }