/* ============================================================
   NABLA APS — Design System
   Aesthetic: editorial warm, Mediterranean, refined
   Fonts: DM Serif Display (headings) + Nunito (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Nunito:wght@400;500;600;700&display=swap');

/* ── Variables ────────────────────────────────────────────── */
:root {
  --c-navy:        #1e3a5f;
  --c-navy-deep:   #142a47;
  --c-navy-light:  #2a527f;
  --c-terra:       #c05c2b;
  --c-terra-light: #e07040;
  --c-gold:        #c49a3c;
  --c-cream:       #faf7f2;
  --c-white:       #ffffff;
  --c-stone:       #f0ece4;
  --c-border:      #e0d8cc;

  /* Text */
  --t-primary:   #1c1917;
  --t-secondary: #5c5348;
  --t-muted:     #9c9080;
  --t-inverse:   #ffffff;
  --t-accent:    var(--c-terra);

  /* Activity card colors */
  --card-labs:      #e8a020;
  --card-labs-bg:   #fff8e6;
  --card-labs-text: #7a4a00;
  --card-groups:    #7b3fa0;
  --card-groups-bg: #f5eeff;
  --card-groups-text:#4a1d7a;
  --card-meetings:  #1a7abf;
  --card-meetings-bg:#e8f4ff;
  --card-meetings-text:#0c3d68;
  --card-coaching:  #c0302a;
  --card-coaching-bg:#fff0ee;
  --card-coaching-text:#7a1510;

  /* Typography */
  --f-heading: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --f-body:    'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --sp-1: 0.25rem;  --sp-2: 0.5rem;   --sp-3: 0.75rem;
  --sp-4: 1rem;     --sp-5: 1.25rem;  --sp-6: 1.5rem;
  --sp-8: 2rem;     --sp-10: 2.5rem;  --sp-12: 3rem;
  --sp-16: 4rem;    --sp-20: 5rem;    --sp-24: 6rem;

  /* Layout */
  --max-w:        1200px;
  --max-w-narrow: 780px;
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;

  /* Shadows */
  --sh-sm: 0 1px 4px rgba(30,58,95,.08);
  --sh-md: 0 4px 16px rgba(30,58,95,.10), 0 1px 4px rgba(30,58,95,.06);
  --sh-lg: 0 8px 32px rgba(30,58,95,.12), 0 2px 8px rgba(30,58,95,.06);

  --transition: 200ms ease;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--f-body);
  background: var(--c-cream);
  color: var(--t-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-terra); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-terra-light); }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--f-heading);
  line-height: 1.2;
  color: var(--c-navy);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.7rem); }
h4 { font-size: 1.1rem; font-family: var(--f-body); font-weight: 700; }

p { max-width: 68ch; }
p + p { margin-top: var(--sp-4); }

strong { font-weight: 700; }
em { font-style: italic; }

ul, ol { padding-left: var(--sp-6); }
li + li { margin-top: var(--sp-2); }

/* ── Layout helpers ───────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}
.container--narrow {
  max-width: var(--max-w-narrow);
}

.section {
  padding: var(--sp-16) 0;
}
.section--sm {
  padding: var(--sp-10) 0;
}
.section--lg {
  padding: var(--sp-24) 0;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.65rem 1.5rem;
  border-radius: var(--r-md);
  font-family: var(--f-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--c-navy);
  color: var(--t-inverse);
  border-color: var(--c-navy);
}
.btn--primary:hover {
  background: var(--c-navy-deep);
  color: var(--t-inverse);
  border-color: var(--c-navy-deep);
  transform: translateY(-1px);
  box-shadow: var(--sh-md);
}
.btn--outline {
  background: transparent;
  color: var(--c-navy);
  border-color: var(--c-navy);
}
.btn--outline:hover {
  background: var(--c-navy);
  color: var(--t-inverse);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--c-terra);
  border-color: transparent;
  padding-left: 0;
  padding-right: var(--sp-2);
}
.btn--ghost:hover { color: var(--c-terra-light); gap: var(--sp-3); }
.btn--ghost::after { content: '→'; transition: transform var(--transition); }
.btn--ghost:hover::after { transform: translateX(3px); }

/* ── Header / Navigation ──────────────────────────────────── */
.site-header {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--sh-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 var(--sp-6);
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
  color: var(--c-navy);
}
.site-logo__symbol {
  font-family: var(--f-heading);
  font-size: 2rem;
  color: var(--c-navy);
  line-height: 1;
}
.site-logo__img {
  height: 40px;
  width: auto;
}
.site-logo__name {
  font-family: var(--f-heading);
  font-size: 1.6rem;
  color: var(--c-navy);
  letter-spacing: 0.04em;
}
.site-logo:hover .site-logo__name { color: var(--c-terra); }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.site-nav a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--t-secondary);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-sm);
  transition: all var(--transition);
  text-decoration: none;
}
.site-nav a:hover,
.site-nav a.active {
  color: var(--c-navy);
  background: var(--c-stone);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

/* Language selector */
.lang-select {
  appearance: none;
  background: transparent;
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-sm);
  padding: var(--sp-2) var(--sp-4);
  font-family: var(--f-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--t-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.lang-select:hover, .lang-select:focus {
  border-color: var(--c-navy);
  color: var(--c-navy);
  outline: none;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--c-navy-deep) 0%, var(--c-navy) 60%, var(--c-navy-light) 100%);
  color: var(--t-inverse);
  padding: var(--sp-24) 0 var(--sp-16);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '∇';
  font-family: var(--f-heading);
  font-size: 40vw;
  color: rgba(255,255,255,.03);
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  line-height: 1;
}
.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  position: relative;
}
.hero__eyebrow {
  display: inline-block;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.85);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-4);
  border-radius: var(--r-xl);
  margin-bottom: var(--sp-5);
  border: 1px solid rgba(255,255,255,.2);
}
.hero h1 {
  color: var(--t-inverse);
  max-width: 14ch;
  margin-bottom: var(--sp-5);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.75);
  max-width: 52ch;
  margin-bottom: var(--sp-10);
  line-height: 1.6;
}
.hero__actions {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.hero .btn--primary {
  background: var(--c-terra);
  border-color: var(--c-terra);
}
.hero .btn--primary:hover {
  background: var(--c-terra-light);
  border-color: var(--c-terra-light);
}
.hero .btn--outline {
  color: var(--t-inverse);
  border-color: rgba(255,255,255,.4);
}
.hero .btn--outline:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.6);
  color: var(--t-inverse);
}

/* ── Activity Cards ───────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-5);
  margin-top: var(--sp-10);
}

.activity-card {
  border-radius: var(--r-lg);
  padding: var(--sp-8) var(--sp-6);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.activity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
}
.activity-card__icon {
  font-size: 2rem;
  line-height: 1;
  margin-bottom: var(--sp-2);
}
.activity-card__title {
  font-family: var(--f-heading);
  font-size: 1.3rem;
  line-height: 1.2;
}
.activity-card__desc {
  font-size: 0.9rem;
  line-height: 1.55;
  opacity: .85;
  flex: 1;
}
.activity-card__link {
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  margin-top: var(--sp-2);
  transition: gap var(--transition);
}
.activity-card:hover .activity-card__link { gap: var(--sp-3); }
.activity-card__link::after { content: '→'; }

.activity-card--labs {
  background: var(--card-labs-bg);
  border-color: var(--card-labs);
  color: var(--card-labs-text);
}
.activity-card--labs .activity-card__title,
.activity-card--labs .activity-card__link { color: var(--card-labs-text); }

.activity-card--groups {
  background: var(--card-groups-bg);
  border-color: var(--card-groups);
  color: var(--card-groups-text);
}
.activity-card--groups .activity-card__title,
.activity-card--groups .activity-card__link { color: var(--card-groups-text); }

.activity-card--meetings {
  background: var(--card-meetings-bg);
  border-color: var(--card-meetings);
  color: var(--card-meetings-text);
}
.activity-card--meetings .activity-card__title,
.activity-card--meetings .activity-card__link { color: var(--card-meetings-text); }

.activity-card--coaching {
  background: var(--card-coaching-bg);
  border-color: var(--card-coaching);
  color: var(--card-coaching-text);
}
.activity-card--coaching .activity-card__title,
.activity-card--coaching .activity-card__link { color: var(--card-coaching-text); }

/* ── Presentation / About strip ───────────────────────────── */
.presentation-strip {
  background: var(--c-navy);
  color: var(--t-inverse);
  padding: var(--sp-16) 0;
}
.presentation-strip__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: center;
}
.presentation-strip h2 { color: var(--t-inverse); }
.presentation-strip p { color: rgba(255,255,255,.8); max-width: none; }
.presentation-strip .btn--outline {
  color: var(--t-inverse);
  border-color: rgba(255,255,255,.4);
  margin-top: var(--sp-6);
}
.presentation-strip .btn--outline:hover {
  background: rgba(255,255,255,.12);
  color: var(--t-inverse);
}

/* ── Events list ──────────────────────────────────────────── */
.events-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}
.event-card {
  background: var(--c-white);
  border-radius: var(--r-md);
  padding: var(--sp-6);
  border: 1px solid var(--c-border);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--sp-5);
  align-items: start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.event-card:hover {
  box-shadow: var(--sh-md);
  transform: translateX(3px);
}
.event-card__date {
  text-align: center;
  min-width: 90px;
  background: var(--c-stone);
  border-radius: var(--r-sm);
  padding: var(--sp-3) var(--sp-4);
}
.event-card__date-text {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.3;
}
.event-card__recurring {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--c-terra);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--sp-1);
}
.event-card__content { min-width: 0; }
.event-card__title {
  font-family: var(--f-heading);
  font-size: 1.1rem;
  color: var(--c-navy);
  margin-bottom: var(--sp-2);
}
.event-card__desc {
  font-size: 0.88rem;
  color: var(--t-secondary);
  line-height: 1.5;
}
.event-card__location {
  font-size: 0.8rem;
  color: var(--t-muted);
  margin-top: var(--sp-2);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.event-card__location::before { content: '📍'; font-size: 0.85em; }
.event-card__tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-xl);
  white-space: nowrap;
  align-self: flex-start;
}
.event-card__tag--labs     { background: var(--card-labs-bg);     color: var(--card-labs-text);     }
.event-card__tag--groups   { background: var(--card-groups-bg);   color: var(--card-groups-text);   }
.event-card__tag--meetings { background: var(--card-meetings-bg); color: var(--card-meetings-text); }
.event-card__tag--coaching { background: var(--card-coaching-bg); color: var(--card-coaching-text); }
.event-card__tag--other    { background: var(--c-stone);          color: var(--t-secondary);        }

/* ── Gallery ──────────────────────────────────────────────── */
.gallery-category { margin-bottom: var(--sp-12); }
.gallery-category__title {
  font-family: var(--f-heading);
  font-size: 1.5rem;
  color: var(--c-navy);
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--c-terra);
  display: inline-block;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-4);
}
.gallery-item {
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  aspect-ratio: 4/3;
  background: var(--c-stone);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(30,58,95,.5);
  opacity: 0;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__overlay-icon {
  color: white;
  font-size: 2rem;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8);
}
.lightbox.is-open { display: flex; }
.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--r-sm);
}
.lightbox__close {
  position: absolute;
  top: var(--sp-6);
  right: var(--sp-6);
  background: rgba(255,255,255,.15);
  border: none;
  color: white;
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.lightbox__close:hover { background: rgba(255,255,255,.25); }
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.15);
  border: none;
  color: white;
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.lightbox__nav:hover { background: rgba(255,255,255,.25); }
.lightbox__prev { left: var(--sp-6); }
.lightbox__next { right: var(--sp-6); }
.lightbox__caption {
  position: absolute;
  bottom: var(--sp-6);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,.8);
  font-size: 0.9rem;
  text-align: center;
  max-width: 60ch;
}

/* ── Contact form ─────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--sp-12);
  align-items: start;
}
.form-group { margin-bottom: var(--sp-5); }
.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--t-secondary);
  margin-bottom: var(--sp-2);
}
.form-control {
  width: 100%;
  padding: 0.7rem var(--sp-4);
  border: 1.5px solid var(--c-border);
  border-radius: var(--r-sm);
  font-family: var(--f-body);
  font-size: 0.95rem;
  color: var(--t-primary);
  background: var(--c-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--c-navy);
  box-shadow: 0 0 0 3px rgba(30,58,95,.1);
}
textarea.form-control { min-height: 140px; resize: vertical; }
.form-status {
  display: none;
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-sm);
  font-size: 0.92rem;
  font-weight: 600;
  margin-top: var(--sp-4);
}
.form-status--success { background: #f0fdf4; color: #166534; border: 1px solid #86efac; display: block; }
.form-status--error   { background: #fff0ee; color: #7a1510; border: 1px solid #fca5a5; display: block; }

.contact-aside {
  background: var(--c-stone);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
}
.contact-aside__title {
  font-family: var(--f-heading);
  font-size: 1.3rem;
  color: var(--c-navy);
  margin-bottom: var(--sp-6);
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--c-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-item__label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--t-muted);
  margin-bottom: var(--sp-1);
}
.contact-item__value {
  font-size: 0.95rem;
  color: var(--t-primary);
}
.contact-item__value a { color: var(--c-terra); }

/* ── Content pages ────────────────────────────────────────── */
.page-header {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  padding: var(--sp-12) 0 var(--sp-8);
}
.page-header h1 { color: var(--c-navy); }
.page-header__sub {
  color: var(--t-secondary);
  margin-top: var(--sp-3);
  font-size: 1.05rem;
}

.prose {
  max-width: var(--max-w-narrow);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--t-secondary);
}
.prose h2, .prose h3 { color: var(--c-navy); margin: var(--sp-8) 0 var(--sp-4); }
.prose ul, .prose ol { margin: var(--sp-4) 0 var(--sp-4) var(--sp-6); }
.prose li { margin-bottom: var(--sp-2); }
.prose a { color: var(--c-terra); text-decoration: underline; }
.prose strong { color: var(--t-primary); }
.prose p { max-width: none; }

/* Section label */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-terra);
  margin-bottom: var(--sp-4);
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-terra);
}

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--c-navy-deep);
  color: rgba(255,255,255,.7);
  padding: var(--sp-12) 0 var(--sp-6);
  margin-top: var(--sp-16);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--sp-10);
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
  padding-bottom: var(--sp-10);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand__logo {
  font-family: var(--f-heading);
  font-size: 2rem;
  color: var(--t-inverse);
  margin-bottom: var(--sp-4);
}
.footer-brand p { font-size: 0.88rem; line-height: 1.6; max-width: 36ch; }
.footer-nav__title, .footer-contact__title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: var(--sp-5);
}
.footer-nav a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,.65);
  padding: var(--sp-1) 0;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--t-inverse); }
.footer-contact p { font-size: 0.88rem; line-height: 1.8; }
.footer-contact a { color: rgba(255,255,255,.7); }
.footer-contact a:hover { color: var(--t-inverse); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-5) var(--sp-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,.35);
}

/* Facebook FAB */
.social-fab {
  position: fixed;
  bottom: var(--sp-5);
  left: var(--sp-5);
  z-index: 50;
  background: var(--c-navy);
  color: white;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sh-lg);
  transition: transform var(--transition), background var(--transition);
  text-decoration: none;
}
.social-fab:hover { background: var(--c-terra); transform: scale(1.1); color: white; }
.social-fab img { width: 26px; height: 26px; }

/* ── 404 ──────────────────────────────────────────────────── */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-12);
}
.error-page__code {
  font-family: var(--f-heading);
  font-size: clamp(6rem, 20vw, 12rem);
  color: var(--c-navy);
  opacity: .08;
  line-height: 1;
  margin-bottom: -var(--sp-8);
}
.error-page__content { position: relative; }

/* ── Utility ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted   { color: var(--t-muted); }
.mt-auto      { margin-top: auto; }
.mt-4         { margin-top: var(--sp-4); }
.mt-6         { margin-top: var(--sp-6); }
.mt-8         { margin-top: var(--sp-8); }
.mb-4         { margin-bottom: var(--sp-4); }
.mb-6         { margin-bottom: var(--sp-6); }
.divider      { border: none; border-top: 1px solid var(--c-border); margin: var(--sp-8) 0; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .presentation-strip__inner { gap: var(--sp-8); }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--c-white);
    border-bottom: 1px solid var(--c-border);
    padding: var(--sp-4);
    flex-direction: column;
    align-items: stretch;
    box-shadow: var(--sh-md);
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: var(--sp-3) var(--sp-4); }

  .site-header { position: relative; }
  .header-inner { position: relative; }

  .hero { padding: var(--sp-16) 0 var(--sp-12); }

  .cards-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }

  .presentation-strip__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-6);
  }

  .event-card {
    grid-template-columns: 1fr;
  }
  .event-card__date { text-align: left; }

  .contact-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-8); }
  .footer-bottom { flex-direction: column; gap: var(--sp-3); text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--sp-4); }
  .cards-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .lightbox__nav { display: none; }
}

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeUp 0.5s ease both;
}
.animate-fade-up:nth-child(1) { animation-delay: 0.05s; }
.animate-fade-up:nth-child(2) { animation-delay: 0.1s;  }
.animate-fade-up:nth-child(3) { animation-delay: 0.15s; }
.animate-fade-up:nth-child(4) { animation-delay: 0.2s;  }