/*
 * components.css — Reusable UI components
 *
 * Depends on: tokens.css, base.css (must be loaded first)
 *
 * Contents:
 *   1. Buttons
 *   2. Form components
 *   3. Cards
 *   4. Badges
 *   5. Navigation (header)
 *   6. Footer
 *   7. Section headers
 *   8. Alerts (success / error)
 */


/* ══════════════════════════════════════════════════════════════════
   1. BUTTONS
   ══════════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: var(--transition);
  min-height: 44px; /* accessible touch target */
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary — deep teal */
.btn--primary,
.btn--primary:visited {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Accent — warm gold */
.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--accent:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Outline — low-emphasis */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

/* Ghost — text only, used in nav */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: transparent;
  padding: 0.875rem var(--space-4);
}

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

/* Small size modifier */
.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-small);
}


/* ══════════════════════════════════════════════════════════════════
   2. FORM COMPONENTS
   ══════════════════════════════════════════════════════════════════ */

/* Form group wrapper */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Label */
.form-label {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-error);
  margin-left: var(--space-1);
  font-weight: 700;
}

/* Base field styles — shared by input, select, textarea */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text);
  line-height: var(--leading-normal);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-subtle);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-primary-light);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Invalid state */
.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: var(--color-error);
}

.form-input[aria-invalid="true"]:focus,
.form-select[aria-invalid="true"]:focus,
.form-textarea[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

/* Textarea specific */
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Select specific — custom arrow */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* Helper text */
.form-helper {
  font-size: var(--text-small);
  color: var(--color-text-subtle);
  line-height: var(--leading-normal);
}

/* Inline error message */
.form-error {
  font-size: var(--text-small);
  color: var(--color-error);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.form-error:empty {
  display: none;
}

.form-error svg {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
}

/* Radio / checkbox group */
.form-radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.form-radio-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.form-radio-option input[type="radio"],
.form-radio-option input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.form-radio-option span {
  font-size: var(--text-body);
  color: var(--color-text);
}

/* Fieldset */
.form-fieldset {
  border: none;
  padding: 0;
}

.form-legend {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

/* Number input — hide browser arrows */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  opacity: 1;
}

/* Honeypot — visually hidden but NOT with display:none (bots ignore display:none) */
.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  tab-index: -1;
}


/* ══════════════════════════════════════════════════════════════════
   3. CARDS
   ══════════════════════════════════════════════════════════════════ */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: var(--transition);
}

.card--shadow {
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.card--shadow:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.card__body {
  font-size: var(--text-body);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

@media (min-width: 640px) {
  .card {
    padding: var(--space-8);
  }
}


/* ══════════════════════════════════════════════════════════════════
   4. BADGES
   ══════════════════════════════════════════════════════════════════ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-small);
  font-weight: 500;
  line-height: 1;
}

.badge--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge--accent {
  background-color: #FEF3D0;
  color: #92600F;
}

.badge--success {
  background-color: #DCFCE7;
  color: #15803D;
}


/* ══════════════════════════════════════════════════════════════════
   5. NAVIGATION (SITE HEADER)
   ══════════════════════════════════════════════════════════════════ */

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: 72px;
  display: flex;
  align-items: center;
  position: relative;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 48px;
  width: auto;
  min-width: 120px;
  max-width: 180px;
  object-fit: contain;
}

@media (min-width: 640px) {
  .nav-logo img {
    height: 54px;
    max-width: 220px;
  }
}

/* Right-side wrapper — groups links, CTA, and hamburger */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Desktop CTA button — hidden on mobile, shown on desktop */
.nav-cta {
  display: none;
}

@media (min-width: 1024px) {
  .nav-cta {
    display: inline-flex;
    margin-left: var(--space-2);
  }
}

/* Desktop nav links */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  padding: 0;
}

.nav-links a {
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-links a[aria-current="page"] {
  color: var(--color-primary);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }
}

/* Mobile hamburger button */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  flex-shrink: 0;
}

.nav-toggle:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 200;
  flex-direction: column;
  padding: var(--space-6);
}

.nav-mobile.is-open {
  display: flex;
}

.nav-mobile__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.nav-mobile__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--radius-md);
}

.nav-mobile__links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.nav-mobile__links a {
  display: block;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.nav-mobile__links a:hover,
.nav-mobile__links a[aria-current="page"] {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-mobile__cta {
  margin-top: var(--space-8);
}

.nav-mobile__cta .btn {
  width: 100%;
}


/* ══════════════════════════════════════════════════════════════════
   6. FOOTER
   ══════════════════════════════════════════════════════════════════ */

.site-footer {
  background-color: var(--color-primary);
  color: #ffffff;
  padding-block: var(--space-12);
}

/* Brand section — logo + tagline above the 3-column grid */
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-12);
  }
}

/* Footer logo */
.footer-logo img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  margin-bottom: var(--space-3);
  /* Logo has black background — invert to white on teal footer */
  filter: brightness(0) invert(1);
}

.footer-tagline {
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--leading-normal);
}

/* Footer headings */
.footer-col h3 {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

/* Footer nav links */
.footer-nav {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav a {
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: #ffffff;
}

/* Footer contact list */
.footer-contact {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-small);
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--color-accent);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.footer-contact a:hover {
  color: #ffffff;
}

/* Footer bottom strip */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p,
.footer-bottom span {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: #ffffff;
}

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

.footer-badge {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  padding: var(--space-1) var(--space-2);
  white-space: nowrap;
}


/* ══════════════════════════════════════════════════════════════════
   7. SECTION HEADERS
   ══════════════════════════════════════════════════════════════════ */

.section-header {
  text-align: center;
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  color: var(--color-text);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--text-lead);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}


/* ══════════════════════════════════════════════════════════════════
   8. ALERTS (success / error messages)
   ══════════════════════════════════════════════════════════════════ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
}

.alert svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.alert--success {
  background-color: #DCFCE7;
  color: #15803D;
  border: 1px solid #BBF7D0;
}

.alert--error {
  background-color: #FEE2E2;
  color: #B91C1C;
  border: 1px solid #FECACA;
}