/**
 * Bangkok GRAD — Components CSS
 * BG-008: Native HTML/CSS design system
 *
 * All reusable components follow BEM-like naming:
 *   .c-[component]           — component root
 *   .c-[component]__[element] — component element
 *   .c-[component]--[modifier] — component variant
 *
 * Contents:
 *   1. Site header
 *   2. Navigation
 *   3. Site footer
 *   4. Buttons and CTAs
 *   5. Badges / pills
 *   6. Cards (event, report)
 *   7. Quick facts block
 *   8. Speaker block
 *   9. CTA block (section-level)
 *   10. Share block
 *   11. Gallery grid component
 *   12. Hero (event cover)
 *   13. Forms
 *   14. Alert / confirmation block
 *   15. Breadcrumb
 *   16. Value / info block
 *   17. Attendee count block
 */

/* ============================================================
   1. Site header
   ============================================================*/

.c-site-header {
  background-color: var(--color-navy);
  color: var(--color-text-inverse);
  position: relative;
  z-index: var(--z-sticky);
}

.c-site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

/* ============================================================
   2. Navigation
   ============================================================*/

.c-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-inverse);
}

.c-nav__logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text-inverse);
  line-height: 1.1;
}

.c-nav__logo-sub {
  font-size: var(--text-xs);
  color: var(--color-gold);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 1px;
}

.c-nav__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.c-nav__link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
}

.c-nav__link:hover,
.c-nav__link:focus-visible {
  color: var(--color-gold);
}

.c-nav__link--active {
  color: var(--color-gold);
}

/* CTA link in nav */
.c-nav__link--cta {
  background: var(--color-gold);
  color: var(--color-navy);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-pill);
  font-weight: 700;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.c-nav__link--cta:hover {
  background: var(--color-gold-hover);
  color: var(--color-navy);
}

/* Hamburger toggle (mobile) */
.c-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.c-nav__toggle-bar {
  width: 24px;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

@media (max-width: 767px) {
  .c-nav__toggle {
    display: flex;
  }
}

/* Mobile nav overlay */
.c-nav__mobile-menu {
  display: none;
  background: var(--color-navy-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.c-nav__mobile-menu--open {
  display: block;
}

.c-nav__mobile-links {
  list-style: none;
  padding: var(--space-5) 0;
  margin: 0;
}

.c-nav__mobile-links li {
  margin: 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.c-nav__mobile-links a {
  display: block;
  padding: var(--space-4) var(--space-5);
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: var(--text-lg);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.c-nav__mobile-links a:hover {
  color: var(--color-gold);
}

/* ============================================================
   3. Site footer
   ============================================================*/

.c-site-footer {
  background-color: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-block: var(--space-9);
  margin-top: auto;
}

.c-site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}

@media (min-width: 768px) {
  .c-site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-9);
  }
}

.c-site-footer__brand {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}

.c-site-footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.6;
}

.c-site-footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.c-site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.c-site-footer__links li {
  margin-bottom: var(--space-3);
}

.c-site-footer__links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.c-site-footer__links a:hover {
  color: var(--color-gold);
}

.c-site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.c-site-footer__copyright {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
}

/* ============================================================
   4. Buttons and CTAs
   BG-006 §11, §16.1, §16.2
   Touch targets: min 48px height
   ============================================================*/

.c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-7);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  min-height: 52px;         /* BG-006 §16.2: min 48px */
  min-width: 160px;
  transition:
    background-color var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

.c-button:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
}

/* Primary — navy background, gold text (BG-006 §17.1) */
.c-button--primary {
  background-color: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-gold);
}

.c-button--primary:hover {
  background-color: var(--color-navy-mid);
  border-color: var(--color-navy-mid);
  color: var(--color-gold);
  box-shadow: var(--shadow-card-hover);
  text-decoration: none;
}

/* Secondary — gold outline */
.c-button--secondary {
  background-color: transparent;
  border-color: var(--color-gold);
  color: var(--color-navy);
}

.c-button--secondary:hover {
  background-color: var(--color-gold-light);
  color: var(--color-navy);
  text-decoration: none;
}

/* Ghost — white outline on dark backgrounds */
.c-button--ghost {
  background-color: transparent;
  border-color: rgba(255,255,255,0.4);
  color: var(--color-text-inverse);
}

.c-button--ghost:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  color: var(--color-text-inverse);
  text-decoration: none;
}

/* Gold filled — for CTA blocks on dark backgrounds */
.c-button--gold {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-navy);
}

.c-button--gold:hover {
  background-color: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  color: var(--color-navy);
  text-decoration: none;
}

/* Size modifiers */
.c-button--sm {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  min-height: 48px;
  min-width: 120px;
}

.c-button--lg {
  padding: var(--space-5) var(--space-9);
  font-size: var(--text-lg);
  min-height: 60px;
  min-width: 200px;
}

/* Full width on mobile */
.c-button--full {
  width: 100%;
}

@media (min-width: 768px) {
  .c-button--full {
    width: auto;
  }
}

/* Disabled state */
.c-button:disabled,
.c-button--disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   5. Badges / pills
   ============================================================*/

.c-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  line-height: 1.4;
}

.c-badge--navy {
  background-color: var(--color-navy);
  color: var(--color-gold);
}

.c-badge--gold {
  background-color: var(--color-gold-light);
  color: var(--color-navy);
  border: 1px solid var(--color-gold-muted);
}

.c-badge--surface {
  background-color: var(--color-surface-alt);
  color: var(--color-text-secondary);
}

.c-badge--success {
  background-color: #eafaf1;
  color: var(--color-success);
}

.c-badge--status-published { background: #eafaf1; color: #27ae60; }
.c-badge--status-draft     { background: #fef9e7; color: #e67e22; }
.c-badge--status-completed { background: #eaf0fb; color: #2980b9; }

/* Quick fact pill */
.c-fact-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.c-fact-pill:hover {
  border-color: var(--color-gold);
  color: var(--color-navy);
  text-decoration: none;
}

.c-fact-pill__icon {
  font-size: var(--text-base);
  flex-shrink: 0;
}

/* ============================================================
   6. Cards (event card, report card)
   BG-006 §17.1: clean white card, subtle shadow, gold accent line
   ============================================================*/

.c-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--color-border-light);
}

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

/* Gold accent top border on featured cards */
.c-card--featured {
  border-top: 3px solid var(--color-gold);
}

.c-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-surface-alt);
  position: relative;
  flex-shrink: 0;
}

.c-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 0;
  transition: transform var(--transition-slow);
}

.c-card:hover .c-card__image img {
  transform: scale(1.03);
}

.c-card__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-gold);
  font-size: 2.5rem;
}

.c-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
}

.c-card__body {
  padding: var(--space-5) var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.c-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.c-card__date {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.c-card__type {
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.c-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.25;
  margin-bottom: var(--space-3);
  margin-top: 0;
}

.c-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.c-card__title a:hover {
  color: var(--color-gold-hover);
}

.c-card__summary {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-5);
  flex: 1;
  /* 3-line clamp */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.c-card__speaker {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.c-card__speaker-photo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-border);
}

.c-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.c-card__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.c-card__cta:hover {
  color: var(--color-gold);
}

.c-card__venue {
  font-size: var(--text-xs);
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ============================================================
   7. Quick facts block
   BG-006 §5.1: date/time/venue as compact pill/badge row
   ============================================================*/

.c-quick-facts {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
}

.c-quick-facts__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  margin-top: 0;
}

.c-quick-facts__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.c-quick-facts__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}

.c-quick-facts__icon {
  font-size: var(--text-base);
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--color-gold);
}

.c-quick-facts__label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 2px;
}

.c-quick-facts__value {
  font-weight: 600;
  color: var(--color-text);
}

.c-quick-facts__value a {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.c-quick-facts__value a:hover {
  color: var(--color-gold);
}

/* Mobile pill row variant */
.c-quick-facts--pills {
  background: transparent;
  border: none;
  padding: 0;
}

.c-quick-facts--pills .c-quick-facts__list {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ============================================================
   8. Speaker block
   BG-006 §5.1 block 6, §12.1 block 7
   ============================================================*/

.c-speaker {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-gold);
}

.c-speaker__photo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-gold-muted);
}

@media (min-width: 480px) {
  .c-speaker__photo {
    width: 96px;
    height: 96px;
  }
}

.c-speaker__photo-placeholder {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-size: 2rem;
  flex-shrink: 0;
}

.c-speaker__info {
  flex: 1;
  min-width: 0;
}

.c-speaker__name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-1);
  margin-top: 0;
}

.c-speaker__title {
  font-size: var(--text-sm);
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: var(--space-3);
}

.c-speaker__bio {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

/* Collapsible bio */
.c-speaker__bio--collapsed {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.c-speaker__expand {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-gold);
  cursor: pointer;
  text-decoration: underline;
  background: none;
  border: none;
  font-family: inherit;
  padding: 0;
}

/* Multiple speakers (grid) */
.c-speaker-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* ============================================================
   9. CTA block (section-level)
   BG-006 §5.1 block 4, §11
   ============================================================*/

.c-cta-block {
  background: var(--color-navy);
  border-radius: var(--radius-xl);
  padding: var(--space-9) var(--space-7);
  text-align: center;
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .c-cta-block {
    padding: var(--space-11) var(--space-10);
  }
}

.c-cta-block__eyebrow {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  margin-top: 0;
}

.c-cta-block__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-5);
  margin-top: 0;
  line-height: 1.15;
}

.c-cta-block__body {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-7);
  max-width: 600px;
  margin-inline: auto;
}

.c-cta-block__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .c-cta-block__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* Inline event CTA (sticky sidebar or repeated on page) */
.c-cta-inline {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.c-cta-inline__price {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.c-cta-inline__price-label {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-5);
}

.c-cta-inline__note {
  font-size: var(--text-xs);
  color: var(--color-muted);
  margin-top: var(--space-3);
}

/* ============================================================
   10. Share block
   BG-006 §5.1 block 14, §12.1 block 9
   ============================================================*/

.c-share {
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.c-share__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  margin-top: 0;
}

.c-share__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.c-share__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: opacity var(--transition-fast), box-shadow var(--transition-fast);
}

.c-share__link:hover {
  opacity: 0.85;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.c-share__link--whatsapp  { background: #25d366; color: #fff; }
.c-share__link--telegram  { background: #0088cc; color: #fff; }
.c-share__link--facebook  { background: #1877f2; color: #fff; }
.c-share__link--linkedin  { background: #0a66c2; color: #fff; }
.c-share__link--copy      { background: var(--color-surface-alt); color: var(--color-navy); border-color: var(--color-border); }

/* ============================================================
   11. Gallery grid component
   BG-006 §13: show first 6-9 thumbnails
   ============================================================*/

.c-gallery {
  margin-block: var(--space-7);
}

.c-gallery__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  margin-top: 0;
}

.c-gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
}

@media (min-width: 480px) {
  .c-gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .c-gallery__grid {
    gap: var(--space-3);
  }
}

.c-gallery__item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--color-surface-alt);
}

.c-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 0;
  transition: transform var(--transition-slow);
  display: block;
}

.c-gallery__item:hover img {
  transform: scale(1.05);
}

.c-gallery__item a {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

.c-gallery__more {
  margin-top: var(--space-4);
  text-align: center;
}

/* ============================================================
   12. Hero (event / page hero)
   BG-006 §5.1 block 1: full-width cover image
   ============================================================*/

.c-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-navy-dark);
}

/* Tall hero with image */
.c-hero__image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 7;   /* Desktop */
  min-height: 260px;
  max-height: 520px;
}

@media (max-width: 767px) {
  .c-hero__image-wrap {
    aspect-ratio: 4 / 3;
    max-height: 360px;
  }
}

.c-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 0;
}

/* Dark overlay for text legibility */
.c-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 22, 40, 0.15) 0%,
    rgba(10, 22, 40, 0.55) 100%
  );
}

.c-hero__body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6) var(--space-5);
  color: var(--color-text-inverse);
}

@media (min-width: 768px) {
  .c-hero__body {
    padding: var(--space-9) var(--space-7);
  }
}

.c-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
}

.c-hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  line-height: 1.15;
  margin-top: 0;
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* No-image hero (navy header block) */
.c-hero--plain {
  background: var(--color-navy);
  padding-block: var(--space-9);
}

@media (min-width: 768px) {
  .c-hero--plain {
    padding-block: var(--space-11);
  }
}

.c-hero--plain .c-hero__title {
  text-shadow: none;
}

/* ============================================================
   13. Forms
   BG-006 §16.2: label above input, large touch targets
   ============================================================*/

.c-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.c-form__section {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.c-form__section-heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-top: 0;
  margin-bottom: 0;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

/* Two-column at sm+ */
@media (min-width: 480px) {
  .c-form__row--2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }
}

.c-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.c-field__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.c-field__required {
  color: var(--color-error);
  margin-left: var(--space-1);
}

.c-field__help {
  font-size: var(--text-xs);
  color: var(--color-muted);
  line-height: 1.5;
}

.c-field__error {
  font-size: var(--text-xs);
  color: var(--color-error);
  font-weight: 600;
  line-height: 1.4;
}

/* Input, textarea, select */
.c-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--text-base); /* BG-006 §16.2: >= 16px to prevent iOS zoom */
  color: var(--color-text);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 52px;           /* BG-006 §16.2: min 48px */
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.c-input:focus {
  outline: none;
  border-color: var(--color-navy);
  box-shadow: 0 0 0 3px rgba(10, 22, 40, 0.12);
}

.c-input::placeholder {
  color: var(--color-muted);
}

.c-input--error {
  border-color: var(--color-error);
}

.c-input--error:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.15);
}

/* Textarea */
textarea.c-input {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

/* Select */
select.c-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234a4966' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

/* File input */
.c-input-file {
  display: block;
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.c-input-file:hover {
  border-color: var(--color-gold);
}

/* Checkbox */
.c-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.c-checkbox__input {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  accent-color: var(--color-navy);
  cursor: pointer;
}

.c-checkbox__label {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
}

.c-checkbox__label a {
  color: var(--color-navy);
  font-weight: 600;
}

/* Form submit area */
.c-form__submit {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .c-form__submit {
    flex-direction: row;
    align-items: center;
  }
}

/* ============================================================
   14. Alert / confirmation block
   ============================================================*/

.c-alert {
  padding: var(--space-5) var(--space-6);
  border-radius: var(--radius-lg);
  border-left: 4px solid transparent;
  display: flex;
  gap: var(--space-4);
}

.c-alert--success {
  background: #eafaf1;
  border-color: var(--color-success);
  color: #1e8449;
}

.c-alert--error {
  background: #fdedec;
  border-color: var(--color-error);
  color: #a93226;
}

.c-alert--info {
  background: #eaf2fb;
  border-color: var(--color-info);
  color: #1a5276;
}

.c-alert--warning {
  background: #fef9e7;
  border-color: var(--color-warning);
  color: #935116;
}

.c-alert__icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
  line-height: 1;
}

.c-alert__body {
  flex: 1;
}

.c-alert__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
  margin-top: 0;
}

.c-alert__text {
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ============================================================
   15. Breadcrumb
   ============================================================*/

.c-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-block: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.c-breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.c-breadcrumb__item::after {
  content: '/';
  color: var(--color-border);
}

.c-breadcrumb__item:last-child::after {
  content: none;
}

.c-breadcrumb__link {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.c-breadcrumb__link:hover {
  color: var(--color-navy);
  text-decoration: underline;
}

.c-breadcrumb__current {
  color: var(--color-muted);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ============================================================
   16. Value / info block (business-club details)
   ============================================================*/

.c-info-block {
  padding: var(--space-5) var(--space-6);
  background: var(--color-gold-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gold-muted);
}

/* Dark variant — used inside navy/dark section backgrounds (e.g. home "About" section) */
.c-info-block--dark {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(201, 168, 76, 0.3);
  color: var(--color-text-inverse);
}

.c-info-block--dark .c-info-block__heading {
  color: var(--color-gold);
}

.c-info-block--dark .c-info-block__content {
  color: rgba(255, 255, 255, 0.8);
}

.c-info-block__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  margin-top: 0;
}

.c-info-block__content {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.65;
  margin-bottom: 0;
}

/* Closed registration notice */
.c-registration-closed {
  padding: var(--space-5) var(--space-6);
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
}

.c-registration-closed__icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.c-registration-closed__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
  margin-top: 0;
}

.c-registration-closed__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ============================================================
   17. Attendee count block
   BG-006 §10: public display is count-only by default
   ============================================================*/

.c-attendee-count {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.c-attendee-count__icon {
  color: var(--color-gold);
  font-size: var(--text-lg);
}

.c-attendee-count__number {
  font-weight: 700;
  color: var(--color-navy);
}

/* Highlights list (report) */
.c-highlights {
  list-style: none;
  padding: 0;
  margin: var(--space-5) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.c-highlights__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-gold);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--color-text);
  margin: 0;
}

.c-highlights__item::before {
  content: '✦';
  color: var(--color-gold);
  font-size: var(--text-xs);
  margin-top: 3px;
  flex-shrink: 0;
}

/* Topic block */
.c-topic {
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
}

.c-topic__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  margin-bottom: var(--space-3);
  margin-top: 0;
}

.c-topic__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  margin-top: 0;
  line-height: 1.2;
}

.c-topic__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 0;
}

/* Sponsors block */
.c-sponsors {
  padding: var(--space-5) var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.c-sponsors__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-4);
  margin-top: 0;
}

.c-sponsors__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 0;
}

/* Empty state */
.c-empty-state {
  text-align: center;
  padding: var(--space-11) var(--space-7);
  color: var(--color-muted);
}

.c-empty-state__icon {
  font-size: 3rem;
  margin-bottom: var(--space-5);
  opacity: 0.5;
}

.c-empty-state__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-3);
  margin-top: 0;
}

.c-empty-state__text {
  font-size: var(--text-base);
  color: var(--color-muted);
  margin-bottom: var(--space-6);
}