/* ==========================================================================
   WagonPulse — Layout: container, navbar, footer, sections, reveal
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--sp-16); }
.section--tight { padding-block: var(--sp-10); }
.section--dark {
  background: var(--gradient-hero);
  color: var(--dark-ink);
  position: relative;
  overflow: hidden;
}
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: #fff; }
.section--soft { background: var(--color-surface-2); }

.section__head {
  max-width: 720px;
  margin: 0 auto var(--sp-8);
  text-align: center;
}
.section__head--left { margin-inline: 0; text-align: left; }
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: var(--fs-300);
  font-weight: var(--fw-bold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-600);
  margin-bottom: var(--sp-2);
}
.section--dark .section__eyebrow { color: var(--lime-400); }
.section__title { margin-bottom: var(--sp-2); }
.section__sub {
  font-size: var(--fs-500);
  color: var(--color-ink-muted);
  margin-inline: auto;
}
.section--dark .section__sub { color: var(--dark-ink-muted); }

/* ---- Navbar ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-navbar);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.navbar.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  height: 72px;
}
.brand { display: inline-flex; align-items: center; }
.brand__logo { height: 38px; width: auto; }

.navbar__links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: auto;
}
.nav__link {
  position: relative;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  font-weight: var(--fw-medium);
  font-size: 0.95rem;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: var(--navy-700); background: var(--color-surface-2); }
.nav__link.is-active { color: var(--navy-700); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-pulse);
}

.navbar__actions { display: flex; align-items: center; gap: var(--sp-2); }
.nav__login {
  color: var(--color-ink);
  font-weight: var(--fw-semibold);
  font-size: 0.95rem;
}
.nav__login:hover { color: var(--navy-700); }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.navbar__toggle span {
  width: 20px; height: 2px;
  background: var(--navy-700);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.navbar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.navbar__mobile {
  display: none;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--container-pad) var(--sp-4);
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.navbar__mobile nav { display: flex; flex-direction: column; }
.navbar__mobile-link {
  padding: 12px 8px;
  color: var(--color-ink);
  font-weight: var(--fw-medium);
  border-bottom: 1px solid var(--color-border-soft);
}
.navbar__mobile .btn { margin-top: var(--sp-2); }

/* ---- Footer ---- */
.footer {
  background: var(--navy-900);
  color: var(--dark-ink-muted);
  padding-top: var(--sp-12);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 2.6fr;
  gap: var(--sp-8);
  padding-bottom: var(--sp-8);
}
.footer__logo { height: 40px; width: auto; filter: brightness(0) invert(1); opacity: 0.96; }
.footer__tagline { margin-top: var(--sp-2); max-width: 30ch; color: var(--dark-ink-muted); }
.footer__address { margin-top: var(--sp-3); color: var(--dark-ink-muted); font-size: 0.9rem; line-height: 1.7; }
.footer__email { margin-top: var(--sp-1); }
.footer__email a { color: var(--cyan-300); font-size: 0.9rem; font-weight: var(--fw-medium); }
.footer__email a:hover { color: var(--lime-400); }
.footer__badges { display: flex; flex-wrap: wrap; gap: 8px; margin: var(--sp-3) 0; }
.footer__cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.footer__heading {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}
.footer__links { list-style: none; padding: 0; margin: 0; }
.footer__links li + li { margin-top: 10px; }
.footer__links a { color: var(--dark-ink-muted); font-size: 0.95rem; }
.footer__links a:hover { color: var(--cyan-300); }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--dark-border);
  padding-block: var(--sp-3);
  gap: var(--sp-3);
}
.footer__bottom p { color: var(--dark-ink-muted); font-size: 0.85rem; }
.footer__love { color: var(--dark-ink-muted); font-size: 0.85rem; white-space: nowrap; }

/* ---- Reveal-on-scroll ---- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }

/* ---- Grids ---- */
.grid { display: grid; gap: var(--sp-4); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ---- Responsive ---- */
@media (max-width: 1023px) {
  .navbar__links { display: none; }
  .navbar__actions { display: none; }
  .navbar__toggle { display: inline-flex; }
  .navbar.is-open .navbar__mobile { display: flex; }
  .footer__inner { grid-template-columns: 1fr; gap: var(--sp-6); }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .section { padding-block: var(--sp-10); }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .footer { padding-top: var(--sp-8); }
  .footer__bottom { flex-direction: column; align-items: flex-start; gap: var(--sp-1); }
}