/* ============================================
   MAIN LAYOUT – shared shell for public pages
   File: public/assets/css/layouts/main-layout.css
   --------------------------------------------
   - Sticky glass header with mobile overlay menu
   - Centered content container
   - Responsive footer + social icons
   - PWA install banner (no inline styles)
   - Smooth scrolling and consistent paddings
============================================ */

/* ===== Root / Body ===== */

.van-body {
  min-height: 100vh;
  margin: 0;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.85), #020617);
  color: #e5e7eb; /* slate-200 */
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
}

/* Constrain all main sections to a central column by default */
.van-main-container,
.van-header-inner,
.van-footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  box-sizing: border-box;
}

/* ============================================
   HEADER
============================================ */

.van-header {
  --van-header-height: 56px;

  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(
    180deg,
    rgba(11, 17, 32, 0.96),
    rgba(11, 17, 32, 0.94)
  );
  backdrop-filter: blur(18px);
  border-bottom: 1px solid #1f2937; /* slate-800 */
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.16s ease;
}

/* Header state when user has scrolled down */
.van-header--scrolled {
  background: rgba(11, 15, 25, 0.98);
  border-color: #111827;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.7);
  transform: translateY(0);
}

.van-header-inner {
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  position: relative;
  min-height: var(--van-header-height);
}

/* ============================================
   BRANDING
============================================ */

.van-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.van-logo-img {
  /* Mobile-first: compact logo height, scales up at breakpoints */
  height: 44px;
  width: auto;
  max-width: 180px;
  display: block;
  object-fit: contain;
}

/* ============================================
   HEADER MENU (NAV + ACTIONS)
============================================ */

/**
 * Shared menu container.
 *
 * Mobile:
 *  - Behaves like a slide-down overlay below header
 * Desktop:
 *  - Inline in header row
 */
.van-header-menu {
  position: fixed;
  left: 0;
  right: 0;
  top: calc(var(--van-header-height) + 0.25rem);
  padding: 0.8rem 1rem 1rem;
  background: radial-gradient(
    circle at top left,
    rgba(30, 64, 175, 1),
    rgba(15, 23, 42, 0.98)
  );
  border-bottom-left-radius: 1.1rem;
  border-bottom-right-radius: 1.1rem;
  border: 1px solid #1f2937;
  border-top: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease,
    visibility 0.18s ease;
}

/* Dark overlay behind mobile menu */
.van-header::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    circle at top,
    rgba(15, 23, 42, 0.65),
    rgba(2, 6, 23, 0.9)
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

/* Open mobile menu state */
.van-header.is-open::before {
  opacity: 1;
  pointer-events: auto;
}

.van-header.is-open .van-header-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* ===== Navigation links ===== */

.van-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.van-nav-link {
  position: relative;
  font-size: 0.85rem;
  text-decoration: none;
  color: #9ca3af; /* slate-400 */
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  transition:
    background-color 0.16s ease,
    color 0.16s ease,
    transform 0.12s ease;
}

/* Underline indicator on hover & active */
.van-nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0.25rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #f97316, #f5b200);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.16s ease;
}

.van-nav-link:hover {
  background-color: #111827; /* appbg-700 */
  color: #e5e7eb; /* slate-200 */
  transform: translateY(-1px);
}

.van-nav-link:hover::after {
  transform: scaleX(1);
}

.van-nav-link--active {
  background-color: #f5b200;
  color: #020617;
}

.van-nav-link--active::after {
  background: #020617;
  transform: scaleX(1);
}

/* ===== Header actions (Sign in / Subscribe) ===== */

.van-header-actions {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.1rem;
}

.van-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease,
    transform 0.12s ease,
    box-shadow 0.12s ease;
  white-space: nowrap;
}

.van-btn--primary {
  background-color: #f5b200;
  color: #020617;
  border-color: #f5b200;
  box-shadow: 0 10px 25px rgba(245, 178, 0, 0.34);
}

.van-btn--primary:hover {
  background-color: #d89600;
  border-color: #d89600;
  box-shadow: 0 12px 28px rgba(216, 150, 0, 0.4);
  transform: translateY(-1px);
}

.van-btn--ghost {
  background-color: transparent;
  color: #e5e7eb;
  border-color: #374151; /* slate-700 */
}

.van-btn--ghost:hover {
  background-color: #111827;
}

/* ============================================
   MOBILE NAV TOGGLE (Hamburger -> Close)
============================================ */

.van-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid #1f2937;
  background-color: transparent;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    transform 0.1s ease;
}

.van-nav-toggle:hover {
  background-color: rgba(17, 24, 39, 0.9);
  border-color: #374151;
}

/* We use 2 bars in HTML and animate them into an "X" when open */
.van-nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: #e5e7eb;
  display: block;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease;
}

/* default spacing between bars */
.van-nav-toggle-bar + .van-nav-toggle-bar {
  margin-top: 4px;
}

/* open state: rotate into X */
.van-header.is-open .van-nav-toggle-bar:first-child {
  transform: translateY(3px) rotate(45deg);
}

.van-header.is-open .van-nav-toggle-bar:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* ============================================
   MAIN CONTENT
============================================ */

.van-main {
  flex: 1 1 auto;
  display: flex;
}

.van-main-container {
  width: 100%;
  padding: 1.5rem 1rem 2.5rem;
}

/* ============================================
   FOOTER
============================================ */

.van-footer {
  border-top: 1px solid #1f2937;
  background-color: #020617;
}

.van-footer-inner {
  padding: 1.1rem 1rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  align-items: center;
  justify-content: space-between;
}

.van-footer-text {
  font-size: 0.75rem;
  color: #6b7280; /* slate-500 */
  text-align: center;
}

.van-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.van-footer-links a {
  font-size: 0.75rem;
  text-decoration: none;
  color: #9ca3af;
  transition: color 0.15s ease;
}

.van-footer-links a:hover {
  color: #e5e7eb;
}

/* ===== Footer social icons ===== */

.van-footer-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.van-social-link {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid #1f2937;
  background: rgba(15, 23, 42, 0.35);
  text-decoration: none;
  transition:
    transform 0.12s ease,
    border-color 0.15s ease,
    background-color 0.15s ease,
    box-shadow 0.15s ease;
}

.van-social-link:hover {
  transform: translateY(-1px);
  border-color: rgba(245, 178, 0, 0.55);
  background: rgba(17, 24, 39, 0.7);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.45);
}

.van-social-icon {
  width: 18px;
  height: 18px;
  color: #e5e7eb;
}

/* ============================================
   PWA INSTALL BANNER (no inline styles)
============================================ */

.van-install-banner {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 9999;

  background: rgba(15, 23, 42, 0.98);
  border-radius: 16px;
  border: 1px solid rgba(245, 178, 0, 0.5);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.9);
  padding: 12px 14px;
  color: #e5e7eb;
  backdrop-filter: blur(18px);
}

.van-install-banner.is-visible {
  display: block;
}

.van-install-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.van-install-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid rgba(248, 250, 252, 0.12);
  background: #020617;
  display: flex;
  align-items: center;
  justify-content: center;
}

.van-install-icon {
  width: 100%;
  height: auto;
  display: block;
}

.van-install-copy {
  flex: 1;
  min-width: 0;
}

.van-install-title {
  font-size: 0.88rem;
  font-weight: 600;
}

.van-install-subtitle {
  font-size: 0.78rem;
  color: #9ca3af;
  margin-top: 2px;
}

.van-install-actions {
  display: flex;
  flex-direction: row;
  gap: 6px;
  margin-left: 6px;
  flex-shrink: 0;
}

.van-install-btn {
  border: none;
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    background-color 0.15s ease,
    box-shadow 0.15s ease,
    color 0.15s ease;
  white-space: nowrap;
}

.van-install-btn--ghost {
  background: transparent;
  color: #9ca3af;
}

.van-install-btn--ghost:hover {
  background: rgba(17, 24, 39, 0.6);
  color: #e5e7eb;
}

.van-install-btn--primary {
  background: #f5b200;
  color: #020617;
  font-weight: 600;
  box-shadow: 0 14px 32px rgba(245, 178, 0, 0.6);
}

.van-install-btn--primary:hover {
  background: #d89600;
  box-shadow: 0 16px 34px rgba(216, 150, 0, 0.62);
  transform: translateY(-1px);
}

/* Improve banner layout on tiny screens */
@media (max-width: 360px) {
  .van-install-inner {
    align-items: flex-start;
  }

  .van-install-actions {
    gap: 6px;
    margin-left: 0;
  }
}

/* ============================================
   RESPONSIVE BREAKPOINTS
============================================ */

/* ≥ 480px (small phones / phablets) */
@media (min-width: 480px) {
  .van-header-inner {
    padding-inline: 1.25rem;
  }

  .van-main-container {
    padding-inline: 1.25rem;
  }

  .van-footer-inner {
    padding-inline: 1.25rem;
  }

  .van-logo-img {
    height: 48px;
    max-width: 220px;
  }
}

/* ≥ 640px (small tablets) */
@media (min-width: 640px) {
  .van-header-inner {
    padding-inline: 1.5rem;
  }

  .van-main-container {
    padding-inline: 1.5rem;
  }

  .van-footer-inner {
    padding-inline: 1.5rem;
  }

  .van-logo-img {
    height: 52px;
    max-width: 260px;
  }
}

/* ≥ 768px (tablets / small laptops) */
@media (min-width: 768px) {
  /* Desktop-style header */
  .van-header-inner {
    align-items: center;
  }

  /* Reset header variable height slightly taller on desktop */
  .van-header {
    --van-header-height: 64px;
  }

  .van-header-menu {
    position: static;
    padding: 0;
    border-radius: 0;
    border: none;
    background: transparent;
    flex-direction: row;
    align-items: center;
    gap: 1.4rem;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
  }

  .van-header::before {
    /* Disable overlay on desktop */
    display: none;
  }

  .van-nav {
    flex-direction: row;
    gap: 0.75rem;
  }

  .van-header-actions {
    flex-direction: row;
    gap: 0.5rem;
    margin-top: 0;
  }

  .van-nav-toggle {
    display: none;
  }

  .van-main-container {
    padding-block: 2rem 3rem;
  }

  .van-footer-inner {
    flex-direction: row;
    gap: 1rem;
  }

  .van-footer-text {
    text-align: left;
  }

  .van-footer-links,
  .van-footer-social {
    justify-content: flex-end;
  }

  .van-logo-img {
    height: 56px;
    max-width: 320px;
  }
}

/* ≥ 1024px (desktops) */
@media (min-width: 1024px) {
  .van-header-inner,
  .van-main-container,
  .van-footer-inner {
    max-width: 1160px;
  }

  .van-main-container {
    padding-inline: 0;
  }

  .van-header-inner,
  .van-footer-inner {
    padding-inline: 0;
  }

  .van-logo-img {
    height: 60px;
    max-width: 360px;
  }
}

/* ≥ 1280px (large desktops / TVs) */
@media (min-width: 1280px) {
  .van-header-inner,
  .van-main-container,
  .van-footer-inner {
    max-width: 1240px;
  }

  .van-logo-img {
    height: 64px;
    max-width: 420px;
  }
}