/* =============================================
   ANZEP — Australian & New Zealand Environmental Psychology Network
   Design system: deep navy anchor, warm sage accent, clean scholarly feel
   ============================================= */
 
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');
 
/* ── Tokens ── */
:root {
  --navy:       #131127;
  --navy-mid:   #1e1a3a;
  --navy-soft:  #2d2850;
  --sage:       #5a8a6e;
  --sage-light: #7aab8a;
  --sage-pale:  #e8f2ec;
  --sand:       #f5f2eb;
  --warm-white: #fdfcf9;
  --text-dark:  #1a1830;
  --text-mid:   #4a4762;
  --text-light: #7a788f;
  --border:     #e2dfd8;
  --accent:     #c9a84c;   /* warm gold — signature element */
 
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'Space Mono', monospace;
 
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
 
  --shadow-soft: 0 2px 16px rgba(19,17,39,0.08);
  --shadow-mid:  0 4px 32px rgba(19,17,39,0.14);
}
 
/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--warm-white);
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 16px;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
 
/* ── Navigation ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 2px solid var(--accent);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.01em;
}
.nav-logo-sub {
  font-family: var(--font-body);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  line-height: 1.2;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.nav-links a.active {
  color: var(--accent);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s;
}
 
/* ── Page Hero ── */
.page-hero {
  background: var(--navy);
  padding: 5rem 2rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 120%, rgba(90,138,110,0.18) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  max-width: 700px;
  margin: 0 auto 1.25rem;
}
.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto;
}
.page-hero-photo {
  background-image: url('mission-hero.jpg');
  background-size: cover;
  background-position: center;
}
.page-hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1;
}
.page-hero-photo .page-hero-eyebrow,
.page-hero-photo h1,
.page-hero-photo p {
  position: relative;
  z-index: 2;
}
.page-hero-photo-preconf {
  min-height: 30vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.page-hero-photo-preconf::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1;
}
.page-hero-photo-preconf .page-hero-eyebrow,
.page-hero-photo-preconf h1,
.page-hero-photo-preconf p {
  position: relative;
  z-index: 2;
}
.mission-hero-photo-full {
  position: absolute;
  top: -80px;
  right: 0;
  bottom: -80px;
  left: 0;
  background-image: url('mission-hero.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
  pointer-events: none;
}
.preconf-hero-photo {
  position: absolute;
  top: -80px;
  right: 0;
  bottom: -80px;
  left: 0;
  background-image: url('preconference-hero.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}
/* ── Section container ── */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
}
.section-sm {
  max-width: 780px;
  margin: 0 auto;
  padding: 5rem 2rem;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 1.25rem;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.8;
  max-width: 640px;
}
 
/* ── Divider ── */
.divider {
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 1.5rem 0;
}
 
/* ── HOME HERO ── */
.home-hero {
  background: var(--navy);
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 4rem 2rem;
}
.home-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  z-index: 2;
}
.hero-photo {
  position: absolute;
  top: -80px;
  right: 0;
  bottom: -80px;
  left: 0;
  background-image: url('hero-beach.jpg');
  background-size: cover;
  background-position: center 42%;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}
.hero-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
  pointer-events: none;
}
.home-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-content {
  max-width: 720px;
  margin: 0 auto;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: italic;
  color: var(--sage-light);
}
.hero-body {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin: 0 auto 2.5rem auto;
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: #dbb95a; transform: translateY(-1px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.25);
  letter-spacing: 0.02em;
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
  cursor: pointer;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.6); color: #fff; transform: translateY(-1px); }
 
/* Hero right panel — stat cards */
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.hero-stat-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}
.hero-stat-card.featured {
  grid-column: span 2;
  background: rgba(90,138,110,0.15);
  border-color: rgba(90,138,110,0.3);
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}
.stat-detail {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  margin-top: 0.5rem;
}
 
/* ── Home highlight teasers (Seminar Series / Pre-conference) ── */
.home-highlight {
  background: var(--warm-white);
  border-top: 1px solid var(--border);
}
.home-highlight.alt {
  background: var(--sage-pale);
}
.home-highlight-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
.home-highlight.reverse .home-highlight-inner {
  grid-template-columns: 0.9fr 1.1fr;
}
.home-highlight.reverse .highlight-text { order: 2; }
.home-highlight.reverse .highlight-card { order: 1; }
.highlight-text .section-lead { margin-bottom: 0; }
.highlight-cta { margin-top: 1.75rem; }
.highlight-card {
  background: var(--warm-white);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 2.25rem 2.5rem;
  box-shadow: var(--shadow-soft);
}
.highlight-card-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 0.75rem;
}
.highlight-card-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 1.1rem;
}
.highlight-card-detail {
  font-size: 0.9rem;
  color: var(--text-mid);
  margin-top: 0.55rem;
}
 
/* ── Home feature strips ── */
.home-features {
  background: var(--sand);
  padding: 5rem 2rem;
}
.home-features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.feature-card {
  background: var(--warm-white);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover {
  box-shadow: var(--shadow-mid);
  transform: translateY(-3px);
}
.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--sage-pale);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.65;
}
.feature-card a {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--sage);
  letter-spacing: 0.02em;
}
.feature-card a:hover { color: var(--navy); }
 
/* ── Mission page ── */
.mission-body {
  background: var(--warm-white);
}
.mission-statement-block {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  margin: 3rem 0;
  position: relative;
  overflow: hidden;
}
.mission-statement-block::before {
  content: '"';
  position: absolute;
  top: -1rem;
  left: 2rem;
  font-family: var(--font-display);
  font-size: 12rem;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
}
.mission-statement-block p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-style: italic;
  color: #fff;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}
.mission-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.pillar-card {
  background: var(--sage-pale);
  border-radius: var(--radius-md);
  padding: 2rem;
  border-left: 3px solid var(--sage);
}
.pillar-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.7;
}
.pillar-icon {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}
 
/* ── Team page ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}
.team-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.team-card:hover {
  box-shadow: var(--shadow-mid);
  transform: translateY(-4px);
}
.team-photo {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--navy-soft), var(--navy-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team-photo-placeholder {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: rgba(255,255,255,0.25);
  letter-spacing: -0.02em;
}
.team-info {
  padding: 1.25rem;
}
.team-info h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.2rem;
}
.team-role {
  font-size: 0.8rem;
  color: var(--sage);
  font-weight: 500;
  margin-bottom: 0.15rem;
}
.team-institution {
  font-size: 0.78rem;
  color: var(--text-light);
}
.team-bio {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.6;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
 
/* ── Pre-conference page ── */
.preconf-upcoming {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}
.preconf-upcoming::after {
  content: '2026';
  position: absolute;
  right: 2rem;
  bottom: -1.5rem;
  font-family: var(--font-display);
  font-size: 10rem;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
}
.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}
.badge-tbc {
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7);
}
.preconf-upcoming h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: #fff;
  margin-bottom: 0.5rem;
}
.preconf-upcoming .subtitle {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2rem;
}
.preconf-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}
.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
}
.meta-item .meta-icon { font-size: 1rem; }
.preconf-format {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}
.format-item {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}
.format-item .f-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.format-item .f-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.2rem;
}
.format-item .f-detail {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}
 
/* Past conference cards */
.past-conf-card {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
}
.past-conf-header {
  background: var(--sand);
  padding: 1.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}
.past-conf-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
}
.past-conf-header .conf-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
}
.past-conf-body {
  padding: 2rem;
}
.past-conf-body p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}
 
/* Schedule table */
.schedule-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}
.schedule-table th {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  text-align: left;
}
.schedule-table td {
  padding: 0.75rem 1rem;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.schedule-table tr:last-child td { border-bottom: none; }
.schedule-table tr:nth-child(even) td { background: var(--sand); }
.schedule-time {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-light);
  white-space: nowrap;
  width: 90px;
}
.schedule-event { font-weight: 500; color: var(--navy); }
.schedule-detail { font-size: 0.82rem; color: var(--text-mid); }
.schedule-speaker { font-size: 0.8rem; color: var(--sage); font-style: italic; }
 
/* Keynote cards */
.keynote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.keynote-card {
  background: var(--sand);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  border-top: 3px solid var(--accent);
}
.keynote-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.keynote-card .k-title {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--sage);
  margin-bottom: 0.75rem;
}
.keynote-card p {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.65;
}
.keynote-card .k-bio {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-style: italic;
}
 
/* Lightning talks */
.lightning-section { margin-top: 2rem; }
.lightning-header {
  background: var(--navy-mid);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.lightning-talk {
  background: var(--warm-white);
  border: 1px solid var(--border);
  border-top: none;
  padding: 1.25rem 1.5rem;
}
.lightning-talk:last-child { border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.lightning-talk h5 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.2rem;
  line-height: 1.4;
}
.lightning-talk .lt-speaker {
  font-size: 0.78rem;
  color: var(--sage);
  font-style: italic;
  margin-bottom: 0.5rem;
}
.lt-abstract {
  font-size: 0.82rem;
  color: var(--text-mid);
  line-height: 1.65;
  display: none;
}
.lt-toggle {
  background: none;
  border: none;
  font-size: 0.78rem;
  color: var(--sage);
  cursor: pointer;
  padding: 0;
  font-weight: 500;
  margin-top: 0.25rem;
}
.lt-toggle:hover { color: var(--navy); }
 
/* ── Seminar page ── */
.seminar-placeholder {
  background: var(--sand);
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 4rem 2rem;
  text-align: center;
}
.seminar-placeholder h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
}
.seminar-placeholder p {
  font-size: 0.95rem;
  color: var(--text-mid);
  max-width: 420px;
  margin: 0 auto;
}
.seminar-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}
.seminar-feature {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--warm-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.seminar-feature .sf-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.seminar-feature h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.seminar-feature p {
  font-size: 0.85rem;
  color: var(--text-mid);
}
 
/* ── Mailing list / contact section ── */
.contact-strip {
  background: var(--navy);
  padding: 5rem 2rem;
}
.contact-strip-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.contact-strip h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: #fff;
  margin-bottom: 0.75rem;
}
.contact-strip p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 2rem;
}
.signup-form {
  display: flex;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto 2.5rem;
  flex-wrap: wrap;
}
.signup-form input {
  flex: 1;
  min-width: 220px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 0.9rem;
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.2s;
}
.signup-form input::placeholder { color: rgba(255,255,255,0.35); }
.signup-form input:focus { border-color: var(--accent); }
.contact-email {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
}
.contact-email a {
  color: var(--accent);
  font-weight: 500;
}
.contact-email a:hover { text-decoration: underline; }
.signup-success {
  display: none;
  background: rgba(90,138,110,0.2);
  border: 1px solid rgba(90,138,110,0.4);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: 0.9rem;
  color: var(--sage-light);
  margin: 0 auto 1rem;
  max-width: 480px;
}
 
/* ── Footer ── */
footer {
  background: var(--navy-mid);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 2.5rem 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-left {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
}
.footer-right {
  display: flex;
  gap: 1.5rem;
}
.footer-right a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}
.footer-right a:hover { color: rgba(255,255,255,0.7); }
 
/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.tab-btn {
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  padding: 0.6rem 1.25rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}
.tab-btn.active {
  color: var(--navy);
  border-bottom-color: var(--accent);
}
.tab-btn:hover { color: var(--navy); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
 
/* ── Responsive ── */
@media (max-width: 1024px) {
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: var(--navy); padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .hero-photo { background-image: url('hero-beach-mobile.jpg'); }
  .home-highlight-inner,
  .home-highlight.reverse .home-highlight-inner { grid-template-columns: 1fr; gap: 2rem; padding: 3.5rem 2rem; }
  .home-highlight.reverse .highlight-text,
  .home-highlight.reverse .highlight-card { order: initial; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .mission-pillars { grid-template-columns: 1fr; }
  .keynote-grid { grid-template-columns: 1fr; }
  .preconf-format { grid-template-columns: 1fr; }
  .seminar-features { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .mission-statement-block { padding: 2rem; }
  .preconf-upcoming { padding: 2rem; }
  .past-conf-header { flex-direction: column; }
}
@media (max-width: 480px) {
  .team-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .signup-form { flex-direction: column; }
  .signup-form input { min-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}