/* ==========================================================================
   Gold Foil Immigration — UI Components
   ========================================================================== */

/* --- Logo --- */
/* 横版 Logo 原图比例约 314×75 */
.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo__img {
  display: block;
  width: auto;
  height: 2.5rem;
  max-width: min(10.5rem, 46vw);
  aspect-ratio: 314 / 75;
  object-fit: contain;
  object-position: left center;
}

.navbar__inner > .logo {
  margin-right: auto;
}

.logo--footer .logo__img {
  height: 2rem;
  max-width: 8.5rem;
  background: #ffffff;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-btn);
  object-position: left center;
}

/* --- Site Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
}

.site-header.is-scrolled .navbar {
  box-shadow: var(--shadow-soft);
}

/* --- Navbar --- */
.navbar {
  height: var(--navbar-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-sm);
}

/* Mobile toggle */
.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.5rem;
  border-radius: var(--radius-btn);
  transition: background var(--transition-fast);
  z-index: 10;
}

.navbar__toggle:hover,
.navbar__toggle:focus-visible {
  background: var(--color-bg-muted);
}

.navbar__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-secondary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav menu — mobile drawer */
.navbar__nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: var(--space-md) var(--container-padding);
  background: var(--color-bg);
  transform: translateX(100%);
  opacity: 0;
  visibility: hidden;
  transition:
    transform var(--transition-base),
    opacity var(--transition-base),
    visibility var(--transition-base);
  overflow-y: auto;
}

.navbar__nav.is-open {
  transform: translateX(0);
  opacity: 1;
  visibility: visible;
}

.navbar__link {
  display: block;
  padding: 0.875rem 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast);
}

.navbar__link:hover,
.navbar__link:focus-visible,
.navbar__link.is-active {
  color: var(--color-primary);
}

.navbar__cta-mobile {
  margin-top: var(--space-md);
  align-self: center;
  width: 100%;
  max-width: 16rem;
}

.navbar__actions {
  display: none;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.2;
  border-radius: var(--radius-btn);
  border: none;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  color: #ffffff;
  background: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
}

.btn--secondary {
  color: var(--color-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-secondary);
  background: var(--color-bg-muted);
}

.btn--sm {
  padding: 0.5625rem 1.125rem;
  font-size: 0.875rem;
}

/* --- Hero Email Form --- */
.hero__form {
  display: flex;
  flex-direction: column;
  max-width: 28rem;
  border: 1px solid var(--color-border-input);
  border-radius: var(--radius-input);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.hero__input {
  flex: 1;
  min-width: 0;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--color-text-heading);
  background: var(--color-bg);
  border: none;
  outline: none;
}

.hero__input::placeholder {
  color: var(--color-text-light);
}

.hero__input:focus {
  box-shadow: inset 0 0 0 2px var(--color-primary-light);
}

.hero__submit {
  padding: 0.875rem 1.25rem;
  font-size: 0.9375rem;
}

@media (min-width: 640px) {
  .hero__form {
    flex-direction: row;
    border-radius: var(--radius-input);
  }
}

@media (max-width: 639px) {
  .hero__form {
    border: none;
    box-shadow: none;
    gap: 0.5rem;
    max-width: 100%;
  }

  .hero__input {
    border: 1px solid var(--color-border-input);
    border-radius: var(--radius-input);
  }

  .hero__submit {
    width: 100%;
    border-radius: var(--radius-btn);
  }
}

/* --- Persona Cards --- */
.persona-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.persona-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: #d1d5db;
}

.persona-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.persona-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--space-md);
  background: var(--color-primary-light);
  border-radius: var(--radius-card);
  color: var(--color-primary);
}

.persona-card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.persona-card__title {
  margin-bottom: 0.375rem;
  font-size: 1rem;
  color: var(--color-text-heading);
}

.persona-card__desc {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--color-text-light);
}

/* --- Checklist icon --- */
.checklist__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  background: rgba(230, 57, 70, 0.1);
  border-radius: 50%;
  color: var(--color-primary);
}

.checklist__icon svg {
  width: 1rem;
  height: 1rem;
}

/* --- Desktop Navbar --- */
@media (min-width: 900px) {
  .navbar__toggle {
    display: none;
  }

  .navbar__nav {
    position: static;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0;
    background: transparent;
    transform: none;
    opacity: 1;
    visibility: visible;
    overflow: visible;
    flex: 1;
    margin-inline: var(--space-lg);
  }

  .navbar__link {
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-bottom: none;
    border-radius: var(--radius-btn);
  }

  .navbar__link.is-active {
    background: var(--color-primary-light);
  }

  .navbar__cta-mobile {
    display: none;
  }

  .navbar__actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }
}

body.menu-open {
  overflow: hidden;
}

@media (min-width: 900px) {
  body.menu-open {
    overflow: auto;
  }
}