/* ============================================
   COMPONENTS — Buttons, Cards, Badges, Nav, Modal
   ============================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.8rem 1.75rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    border-color var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  line-height: 1;
}

.btn:active {
  transform: scale(0.97);
}

/* Primary */
.btn--primary {
  background-color: var(--accent-green);
  color: var(--text-on-accent);
  border: 1px solid var(--accent-green);
}

.btn--primary:hover {
  background-color: var(--accent-green-hover);
  border-color: var(--accent-green-hover);
  box-shadow: 0 0 24px var(--accent-green-glow);
  color: var(--text-on-accent);
}

/* Secondary / Ghost */
.btn--secondary {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-hover);
}

.btn--secondary:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background-color: rgba(74, 124, 80, 0.06);
}

/* Large variant */
.btn--lg {
  padding: 1rem 2.25rem;
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
}

/* Small variant */
.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-xs);
}

/* Icon inside button */
.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ---- Cards ---- */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
  background-color: var(--bg-surface-hover);
}

.card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(74, 124, 80, 0.08);
  border: 1px solid var(--border);
  margin-bottom: var(--space-5);
  color: var(--accent-green);
}

.card__icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--accent-green);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.card__text {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ---- Badge ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.9rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--accent-green);
  background: rgba(74, 124, 80, 0.08);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
}

.badge--glow {
  box-shadow: 0 0 16px var(--accent-green-glow);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
}

/* ---- Navbar ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  z-index: var(--z-nav);
  transition:
    background-color var(--transition-slow),
    border-color var(--transition-slow),
    backdrop-filter var(--transition-slow);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}

.navbar__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.navbar__logo img {
  height: 24px;
  width: auto;
}

.navbar__logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--text-primary);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar__signin {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.navbar__signin:hover {
  color: var(--text-primary);
}

/* Mobile menu toggle */
.navbar__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.navbar__toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile overlay menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-10);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-slow),
    visibility var(--transition-slow);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__close {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
}

.mobile-menu__close svg {
  width: 24px;
  height: 24px;
}

.mobile-menu__link {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.mobile-menu__link:hover {
  color: var(--text-primary);
}

/* ---- Modal ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 480px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-3);
}

.modal__text {
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.modal__input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast);
  margin-bottom: var(--space-4);
}

.modal__input:focus {
  outline: none;
  border-color: var(--accent-green);
}

.modal__input::placeholder {
  color: var(--text-muted);
}

.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal__close:hover {
  color: var(--text-primary);
}

/* ---- Responsive ---- */
@media (max-width: 767px) {
  .navbar__links {
    display: none;
  }

  .navbar__signin {
    display: none;
  }

  .navbar__toggle {
    display: flex;
  }
}