/* ============================================================================
 * Adender.com — components.css
 * UI atoms: buttons, cards, forms, badges, alerts, icons, breadcrumb,
 * FAQ, prose, contact info, team cards, post cards, article.
 * Design tokens live in theme.css — NO hardcoded values here.
 * ==========================================================================*/

/* ============================================================================
 * Buttons
 * ==========================================================================*/

.ad-btn {
  --btn-bg:        var(--ad-navy-800);
  --btn-bg-hover:  var(--ad-navy-900);
  --btn-fg:        var(--ad-inverse);
  --btn-border:    var(--ad-navy-800);
  --btn-shadow:    var(--ad-shadow-sm);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--ad-font-ui);
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 12px 22px;
  min-height: 46px;
  border-radius: var(--ad-radius-pill);
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-fg);
  box-shadow: var(--btn-shadow);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: -0.005em;
  transition:
    background-color var(--ad-dur-fast) var(--ad-ease-out),
    border-color     var(--ad-dur-fast) var(--ad-ease-out),
    color            var(--ad-dur-fast) var(--ad-ease-out),
    box-shadow       var(--ad-dur-base) var(--ad-ease-out),
    transform        var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-btn:hover { background: var(--btn-bg-hover); border-color: var(--btn-bg-hover); color: var(--btn-fg); box-shadow: var(--ad-shadow); }
.ad-btn:active { transform: translateY(1px); box-shadow: var(--ad-shadow-xs); }
.ad-btn:focus-visible { outline: 0; box-shadow: var(--ad-shadow-focus); }

/* Arrow suffix */
.ad-btn__arrow {
  display: inline-block;
  transition: transform var(--ad-dur-base) var(--ad-ease-spring);
}
.ad-btn:hover .ad-btn__arrow { transform: translateX(3px); }

/* Variants */
.ad-btn--primary {} /* default */
.ad-btn--secondary {
  --btn-bg: var(--ad-white);
  --btn-bg-hover: var(--ad-off-white);
  --btn-fg: var(--ad-navy-800);
  --btn-border: var(--ad-line-strong);
  --btn-shadow: var(--ad-shadow-xs);
}
.ad-btn--secondary:hover { color: var(--ad-navy-800); border-color: var(--ad-navy-500); }

.ad-btn--ghost {
  --btn-bg: transparent;
  --btn-bg-hover: var(--ad-off-white);
  --btn-fg: var(--ad-navy-800);
  --btn-border: transparent;
  --btn-shadow: none;
}
.ad-btn--ghost:hover { color: var(--ad-navy-800); border-color: transparent; box-shadow: none; }

.ad-btn--accent {
  --btn-bg: var(--ad-accent);
  --btn-bg-hover: var(--ad-accent-600);
  --btn-fg: var(--ad-inverse);
  --btn-border: var(--ad-accent);
}

.ad-btn--invert {
  --btn-bg: var(--ad-white);
  --btn-bg-hover: var(--ad-off-white);
  --btn-fg: var(--ad-navy-800);
  --btn-border: var(--ad-white);
}

.ad-btn--outline-invert {
  --btn-bg: transparent;
  --btn-bg-hover: rgba(255,255,255,.08);
  --btn-fg: var(--ad-inverse);
  --btn-border: rgba(255,255,255,.35);
  --btn-shadow: none;
}
.ad-btn--outline-invert:hover { color: var(--ad-inverse); border-color: var(--ad-inverse); }

/* Sizes */
.ad-btn--sm { padding: 8px 16px; min-height: 36px; font-size: 13.5px; }
.ad-btn--lg { padding: 16px 26px; min-height: 54px; font-size: 16px; }
.ad-btn--xl { padding: 18px 30px; min-height: 60px; font-size: 17px; }
.ad-btn--block { width: 100%; }

/* Pill with leading icon */
.ad-btn--icon { padding-left: 16px; padding-right: 20px; }

/* ============================================================================
 * Cards
 * ==========================================================================*/

.ad-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--ad-surface);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  padding: var(--ad-sp-7);
  box-shadow: var(--ad-shadow-xs);
  transition:
    transform   var(--ad-dur-base) var(--ad-ease-spring),
    box-shadow  var(--ad-dur-base) var(--ad-ease-out),
    border-color var(--ad-dur-fast) var(--ad-ease-out);
  height: 100%;
  overflow: hidden;
}
.ad-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ad-shadow);
  border-color: var(--ad-line-strong);
}

.ad-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--ad-radius);
  background: linear-gradient(135deg, var(--ad-navy-50), var(--ad-navy-100));
  color: var(--ad-navy-800);
  margin-bottom: var(--ad-sp-5);
  border: 1px solid var(--ad-line);
}
.ad-card__icon svg { width: 22px; height: 22px; }

.ad-card__title {
  font-family: var(--ad-font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: var(--ad-ls-tight);
  color: var(--ad-ink);
  margin: 0 0 var(--ad-sp-3);
}
.ad-card__body {
  color: var(--ad-muted);
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
}
.ad-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--ad-sp-5);
  font-size: 14px;
  font-weight: 600;
  color: var(--ad-navy-800);
}
.ad-card__link::after { content: "→"; transition: transform var(--ad-dur-base) var(--ad-ease-spring); }
.ad-card__link:hover { color: var(--ad-accent); }
.ad-card__link:hover::after { transform: translateX(3px); }

.ad-card--link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.ad-card--link:hover { color: inherit; }

.ad-card--flat {
  border-color: transparent;
  background: var(--ad-navy-50);
  box-shadow: none;
}
.ad-card--flat:hover { background: var(--ad-navy-100); border-color: transparent; transform: translateY(-2px); }

.ad-card--stat {
  text-align: left;
  padding: var(--ad-sp-6);
}
.ad-card--stat .ad-card__value {
  font-family: var(--ad-font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 600;
  color: var(--ad-navy-800);
  letter-spacing: var(--ad-ls-display);
  line-height: 1;
  margin-bottom: var(--ad-sp-2);
}
.ad-card--stat .ad-card__label {
  color: var(--ad-muted);
  font-size: 14px;
}

/* ============================================================================
 * Forms
 * ==========================================================================*/

.ad-field { margin-bottom: var(--ad-sp-5); }
.ad-label {
  display: block;
  font-family: var(--ad-font-ui);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ad-ink);
  margin-bottom: 6px;
  letter-spacing: -0.005em;
}
.ad-input,
.ad-select,
.ad-textarea {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: 15.5px;
  color: var(--ad-ink);
  background: var(--ad-white);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius);
  padding: 12px 14px;
  min-height: 48px;
  transition:
    border-color var(--ad-dur-fast) var(--ad-ease-out),
    box-shadow   var(--ad-dur-fast) var(--ad-ease-out),
    background   var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-input::placeholder,
.ad-textarea::placeholder { color: var(--ad-subtle); }
.ad-input:hover,
.ad-select:hover,
.ad-textarea:hover { border-color: var(--ad-line-strong); }
.ad-input:focus,
.ad-select:focus,
.ad-textarea:focus {
  border-color: var(--ad-accent);
  box-shadow: var(--ad-shadow-focus);
  outline: 0;
  background: var(--ad-white);
}
.ad-textarea { min-height: 140px; resize: vertical; }
.ad-field__help  { color: var(--ad-subtle); font-size: 13px; margin-top: 4px; }
.ad-field__error { color: var(--ad-danger); font-size: 13px; margin-top: 4px; }

/* Inline newsletter form (footer, hero) */
.ad-inline-form {
  display: flex;
  gap: 8px;
  align-items: stretch;
  background: var(--ad-white);
  padding: 6px;
  border-radius: var(--ad-radius-pill);
  border: 1px solid var(--ad-line);
  box-shadow: var(--ad-shadow-xs);
}
.ad-inline-form .ad-input {
  border: 0;
  background: transparent;
  padding: 0 16px;
  min-height: 42px;
  box-shadow: none;
  font-size: 15px;
}
.ad-inline-form .ad-input:focus { box-shadow: none; }
.ad-inline-form .ad-btn {
  min-height: 42px;
  padding: 10px 20px;
  font-size: 14.5px;
  flex-shrink: 0;
}
.ad-inline-form--dark {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.14);
}
.ad-inline-form--dark .ad-input { color: var(--ad-inverse); }
.ad-inline-form--dark .ad-input::placeholder { color: rgba(255,255,255,.55); }

/* ============================================================================
 * Badges & pills
 * ==========================================================================*/

.ad-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--ad-radius-pill);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--ad-ls-wide);
  border: 1px solid transparent;
}
.ad-badge--primary  { background: var(--ad-navy-100);   color: var(--ad-navy-800);   border-color: var(--ad-navy-200); }
.ad-badge--muted    { background: var(--ad-off-white);  color: var(--ad-muted);      border-color: var(--ad-line); }
.ad-badge--accent   { background: var(--ad-accent-50);  color: var(--ad-accent-600); border-color: var(--ad-accent-100); }
.ad-badge--success  { background: var(--ad-success-50); color: var(--ad-success);    border-color: var(--ad-success-50); }
.ad-badge--warning  { background: var(--ad-warning-50); color: var(--ad-warning);    border-color: var(--ad-warning-50); }
.ad-badge--danger   { background: var(--ad-danger-50);  color: var(--ad-danger);     border-color: var(--ad-danger-50); }
.ad-badge--gold     { background: var(--ad-gold-50);    color: var(--ad-gold);       border-color: var(--ad-gold-50); }

.ad-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--ad-radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--ad-navy-700);
  background: var(--ad-navy-50);
  border: 1px solid var(--ad-navy-100);
}
.ad-pill--inverse {
  background: rgba(255,255,255,.06);
  color: var(--ad-inverse);
  border-color: rgba(255,255,255,.16);
  backdrop-filter: blur(6px);
}
.ad-pill__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ad-accent);
  box-shadow: 0 0 0 3px rgba(41,87,230,.18);
}
.ad-pill--inverse .ad-pill__dot { background: var(--ad-gold); box-shadow: 0 0 0 3px rgba(212,169,74,.22); }

/* ============================================================================
 * Alerts
 * ==========================================================================*/

.ad-alert {
  padding: 12px 16px;
  border-radius: var(--ad-radius);
  font-size: 14.5px;
  line-height: 1.5;
  border: 1px solid transparent;
}
.ad-alert--success { background: var(--ad-success-50); color: var(--ad-success); border-color: var(--ad-success); }
.ad-alert--danger  { background: var(--ad-danger-50);  color: var(--ad-danger);  border-color: var(--ad-danger); }
.ad-alert--warning { background: var(--ad-warning-50); color: var(--ad-warning); border-color: var(--ad-warning); }
.ad-alert--info    { background: var(--ad-accent-50);  color: var(--ad-accent);  border-color: var(--ad-accent-100); }

/* ============================================================================
 * Icon
 * ==========================================================================*/

.ad-icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.125em;
  fill: currentColor;
  flex-shrink: 0;
}
.ad-icon--sm { width: 16px; height: 16px; }
.ad-icon--md { width: 20px; height: 20px; }
.ad-icon--lg { width: 24px; height: 24px; }
.ad-icon--xl { width: 32px; height: 32px; }

/* ============================================================================
 * Breadcrumb
 * ==========================================================================*/

.ad-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--ad-sp-6);
  font-size: 13px;
  color: var(--ad-subtle);
}
.ad-breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ad-subtle);
}
.ad-breadcrumb a {
  color: var(--ad-muted);
  text-decoration: none;
}
.ad-breadcrumb a:hover { color: var(--ad-navy-800); }
.ad-breadcrumb__current { color: var(--ad-ink); font-weight: 500; }

/* ============================================================================
 * FAQ accordion
 * ==========================================================================*/

.ad-faq {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 860px;
  margin: 0 auto;
}
.ad-faq__item {
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius);
  background: var(--ad-white);
  padding: 4px 10px;
  transition:
    border-color var(--ad-dur-fast) var(--ad-ease-out),
    box-shadow   var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-faq__item[open] {
  border-color: var(--ad-line-strong);
  box-shadow: var(--ad-shadow-xs);
}
.ad-faq__q {
  cursor: pointer;
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 17px;
  color: var(--ad-ink);
  padding: 16px 14px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  letter-spacing: -0.01em;
}
.ad-faq__q::-webkit-details-marker { display: none; }
.ad-faq__q::after {
  content: "+";
  font-family: var(--ad-font-ui);
  font-weight: 500;
  font-size: 22px;
  color: var(--ad-navy-700);
  transition: transform var(--ad-dur-base) var(--ad-ease-spring);
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--ad-navy-50);
  flex-shrink: 0;
}
.ad-faq__item[open] .ad-faq__q::after {
  content: "−";
  background: var(--ad-navy-800);
  color: var(--ad-inverse);
}
.ad-faq__a {
  color: var(--ad-muted);
  padding: 0 14px 16px;
  font-size: 15.5px;
  line-height: 1.7;
}

/* ============================================================================
 * Contact info list
 * ==========================================================================*/

.ad-contact-info {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 18px;
}
.ad-contact-info li {
  display: flex; gap: 14px; align-items: flex-start;
}
.ad-contact-info__icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  background: var(--ad-navy-50);
  color: var(--ad-navy-800);
  border-radius: var(--ad-radius);
  display: inline-flex;
  align-items: center; justify-content: center;
  border: 1px solid var(--ad-line);
}
.ad-contact-info__icon svg { width: 18px; height: 18px; }
.ad-contact-info__label {
  color: var(--ad-subtle); font-size: 12.5px; margin: 0 0 2px;
  text-transform: uppercase; letter-spacing: var(--ad-ls-caps); font-weight: 600;
}
.ad-contact-info__value {
  color: var(--ad-ink); font-weight: 600; margin: 0; font-size: 16px;
}
.ad-contact-info__value a { color: inherit; text-decoration: none; }
.ad-contact-info__value a:hover { color: var(--ad-accent); }

/* ============================================================================
 * Prose (legal, article, FAQ)
 * ==========================================================================*/

.ad-prose {
  max-width: 720px;
  margin: 0 auto;
  color: var(--ad-ink);
  font-size: 16.5px;
  line-height: 1.75;
}
.ad-prose h2 { margin-top: var(--ad-sp-8); font-size: 24px; }
.ad-prose h3 { margin-top: var(--ad-sp-6); font-size: 19px; }
.ad-prose p  { margin-bottom: 14px; }
.ad-prose ul,
.ad-prose ol { margin: 0 0 16px 22px; }
.ad-prose li { margin-bottom: 6px; }
.ad-prose a  { color: var(--ad-accent); text-decoration: underline; text-underline-offset: 3px; }
.ad-prose blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--ad-navy-800);
  background: var(--ad-navy-50);
  color: var(--ad-ink);
  border-radius: 0 var(--ad-radius) var(--ad-radius) 0;
}
.ad-prose code {
  background: var(--ad-off-white);
  padding: 2px 6px;
  border-radius: var(--ad-radius-xs);
  font-size: 0.92em;
  border: 1px solid var(--ad-line);
}

/* ============================================================================
 * Team card
 * ==========================================================================*/

.ad-team-card {
  text-align: left;
  padding: var(--ad-sp-7);
  background: var(--ad-surface);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  transition:
    transform var(--ad-dur-base) var(--ad-ease-spring),
    box-shadow var(--ad-dur-base) var(--ad-ease-out);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ad-team-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ad-shadow);
}
.ad-team-card__avatar {
  width: 72px; height: 72px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ad-navy-50), var(--ad-navy-100));
  color: var(--ad-navy-800);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.03em;
  border: 1px solid var(--ad-line);
}
.ad-team-card__name { font-family: var(--ad-font-display); font-size: 19px; font-weight: 600; color: var(--ad-ink); margin: 0; letter-spacing: -0.01em; }
.ad-team-card__title {
  color: var(--ad-navy-700); font-size: 12.5px; font-weight: 600;
  text-transform: uppercase; letter-spacing: var(--ad-ls-caps);
  margin: 2px 0 0;
}
.ad-team-card__bio { color: var(--ad-muted); font-size: 14.5px; line-height: 1.55; margin: 0; }
.ad-team-card__social {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto;
  color: var(--ad-muted);
  font-size: 13px;
  font-weight: 600;
}
.ad-team-card__social:hover { color: var(--ad-accent); }

/* ============================================================================
 * Related pills
 * ==========================================================================*/

.ad-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.ad-related a {
  padding: 10px 18px;
  background: var(--ad-white);
  color: var(--ad-navy-800);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-pill);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--ad-dur-fast) var(--ad-ease-out);
}
.ad-related a:hover {
  background: var(--ad-navy-800);
  color: var(--ad-inverse);
  border-color: var(--ad-navy-800);
}
.ad-related__active {
  background: var(--ad-navy-800) !important;
  color: var(--ad-inverse) !important;
  border-color: var(--ad-navy-800) !important;
}

/* ============================================================================
 * Blog post card
 * ==========================================================================*/

.ad-post-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--ad-surface);
  border: 1px solid var(--ad-line);
  border-radius: var(--ad-radius-lg);
  overflow: hidden;
  transition:
    transform var(--ad-dur-base) var(--ad-ease-spring),
    box-shadow var(--ad-dur-base) var(--ad-ease-out);
}
.ad-post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ad-shadow);
}
.ad-post-card__cover {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--ad-navy-50), var(--ad-navy-100));
  background-size: cover;
  background-position: center;
}
.ad-post-card__body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.ad-post-card__meta { color: var(--ad-subtle); font-size: 13px; }
.ad-post-card__title {
  font-family: var(--ad-font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 4px 0 8px;
  color: var(--ad-ink);
  line-height: 1.25;
}
.ad-post-card__excerpt { color: var(--ad-muted); font-size: 14.5px; line-height: 1.55; flex: 1; }

/* ============================================================================
 * Article body
 * ==========================================================================*/

.ad-article { max-width: 760px; margin: 0 auto; }
.ad-article__cover,
.ad-article__cover-img {
  width: 100%;
  border-radius: var(--ad-radius-lg);
  margin: var(--ad-sp-6) 0 var(--ad-sp-7);
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  background-color: var(--ad-navy-50);
  display: block;
  object-fit: cover;
}
.ad-article__meta { color: var(--ad-muted); font-size: 14px; margin-bottom: var(--ad-sp-6); }
.ad-article__body { font-size: 17px; line-height: 1.75; color: var(--ad-ink); }
.ad-article__body h2 { margin-top: var(--ad-sp-8); }
.ad-article__body h3 { margin-top: var(--ad-sp-6); }
.ad-article__body a { color: var(--ad-accent); text-decoration: underline; text-underline-offset: 3px; }
.ad-article__body img { max-width: 100%; border-radius: var(--ad-radius); }
.ad-article__body blockquote {
  margin: 24px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--ad-navy-800);
  background: var(--ad-navy-50);
  color: var(--ad-ink);
  border-radius: 0 var(--ad-radius) var(--ad-radius) 0;
  font-size: 18px;
  line-height: 1.6;
}
.ad-article__body code {
  background: var(--ad-off-white);
  padding: 2px 6px;
  border-radius: var(--ad-radius-xs);
  font-size: 0.9em;
  border: 1px solid var(--ad-line);
}

/* ============================================================================
 * Quote small (inline)
 * ==========================================================================*/

.ad-quote {
  font-family: var(--ad-font-display);
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  color: var(--ad-ink);
  margin: 0 0 var(--ad-sp-6);
  text-wrap: balance;
}
.ad-quote::before {
  content: "\201C";
  display: inline;
  color: var(--ad-navy-200);
  font-family: var(--ad-font-display);
  line-height: 0;
  margin-right: 4px;
}

/* ============================================================================
 * Avatar (monogram)
 * ==========================================================================*/

.ad-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ad-navy-100);
  color: var(--ad-navy-800);
  font-family: var(--ad-font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.02em;
  border: 1px solid var(--ad-line);
  flex-shrink: 0;
}
.ad-avatar--lg { width: 56px; height: 56px; font-size: 18px; }