/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #0f1b2d;
  --navy-light: #1a2d44;
  --teal: #1a6b7a;
  --teal-light: #2a8b9a;
  --gold: #c8a45c;
  --gold-light: #d4b976;
  --cream: #f8f5f0;
  --cream-dark: #efe9e0;
  --white: #ffffff;
  --text: #2c3e50;
  --text-light: #5a6c7d;
  --text-muted: #8a9aaa;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(15, 27, 45, 0.08);
  --shadow-lg: 0 8px 40px rgba(15, 27, 45, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
}

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--teal-light);
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(200, 164, 92, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 27, 45, 0.95);
  backdrop-filter: blur(12px);
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
  white-space: nowrap;
}

.nav-logo:hover { color: var(--white); }

.nav-logo img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
}

.nav-logo span {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 8px 10px;
  border-radius: 6px;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy) !important;
  border-radius: 50px !important;
  padding: 8px 20px !important;
}

.nav-cta:hover {
  background: var(--gold-light) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 40%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 27, 45, 0.45) 0%,
    rgba(15, 27, 45, 0.6) 40%,
    rgba(15, 27, 45, 0.85) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 24px 80px;
  max-width: 820px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-org {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: clamp(15px, 2.2vw, 20px);
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto 20px;
  line-height: 1.5;
  font-weight: 300;
}

.hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.9);
  font-size: 16px;
  font-weight: 500;
}

.hero-meta-item svg { opacity: 0.7; }

.hero-edition {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  font-style: italic;
  font-family: 'Playfair Display', serif;
  margin-bottom: 20px;
}

.hero-scroll {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero-scroll a {
  color: rgba(255,255,255,0.5);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--cream);
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-dark h2 {
  color: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-label-light {
  color: var(--gold-light);
}

.section-header h2 {
  font-size: clamp(30px, 4vw, 42px);
}

.lead {
  font-size: 19px;
  line-height: 1.7;
  color: var(--text);
}

.section-dark .lead {
  color: rgba(255,255,255,0.85);
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  margin-bottom: 18px;
}

.about-text .lead {
  margin-bottom: 24px;
}

.about-host {
  margin-top: 24px;
  padding: 20px 24px;
  background: var(--cream);
  border-radius: var(--radius);
  border-left: 3px solid var(--gold);
}

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-credit {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 14px;
  background: rgba(0,0,0,0.6);
  color: rgba(255,255,255,0.8);
  font-size: 11px;
  text-align: right;
}

/* ===== CALL FOR PAPERS ===== */
.cfp-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
  max-width: 760px;
  margin: 0 auto;
}

.cfp-content p {
  font-size: 18px;
  margin-bottom: 32px;
  text-align: center;
}

.cfp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.cfp-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--cream);
  border-radius: var(--radius);
}

.cfp-list li svg {
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.cfp-list li strong {
  display: block;
  margin-bottom: 2px;
  color: var(--navy);
}

.cfp-list li span {
  color: var(--text-light);
  font-size: 15px;
}

.cfp-submit {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--cream-dark);
}

.cfp-submit p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ===== VENUE ===== */
.venue-hero {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  box-shadow: var(--shadow-lg);
  max-height: 480px;
}

.venue-hero img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.venue-info .lead {
  margin-bottom: 18px;
}

.venue-info p {
  margin-bottom: 16px;
}

.venue-address {
  display: flex;
  gap: 12px;
  padding: 20px;
  background: var(--cream);
  border-radius: var(--radius);
  margin: 24px 0;
}

.venue-address svg {
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.venue-address a {
  color: var(--teal);
}

.venue-photos {
  columns: 2;
  column-gap: 12px;
  overflow: hidden;
}

.venue-photos img {
  border-radius: var(--radius);
  width: 100%;
  margin-bottom: 12px;
  object-fit: cover;
  transition: transform var(--transition);
  break-inside: avoid;
}

.venue-photos img:hover {
  transform: scale(1.03);
}

/* ===== EVENTS / CALENDAR ===== */
.calendar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.calendar-day {
  background: var(--white);
  display: flex;
  flex-direction: column;
}

.calendar-day:not(:last-child) {
  border-right: 1px solid var(--cream-dark);
}

.calendar-header {
  background: var(--navy);
  color: var(--white);
  padding: 20px 24px;
  text-align: center;
}

.calendar-weekday {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.calendar-date {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
}

.calendar-body {
  padding: 24px;
  flex: 1;
}

.calendar-event {
  margin-bottom: 16px;
}

.calendar-time {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
  background: rgba(26, 107, 122, 0.08);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.calendar-body h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.calendar-body p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 8px;
  line-height: 1.6;
}

.calendar-event-alt {
  position: relative;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--cream-dark);
}

.calendar-or {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  padding: 0 10px;
  font-size: 12px;
  font-style: italic;
  color: var(--text-muted);
  text-transform: lowercase;
}

.event-note {
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted) !important;
  padding-top: 12px;
  border-top: 1px solid var(--cream);
  margin-top: 8px;
}

.event-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.event-photos figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.event-photos img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
}

.event-photo {
  margin: 0 0 12px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.event-photo img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}

.photo-credit-inline {
  position: static;
  display: block;
  font-size: 10px;
  padding: 4px 6px;
  background: var(--cream);
  color: var(--text-muted);
}

/* ===== VICTORIA / GALLERY ===== */
.victoria-intro {
  max-width: 760px;
  margin: -20px auto 48px;
  text-align: center;
}

.gallery {
  columns: 3;
  column-gap: 16px;
  overflow: hidden;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  break-inside: avoid;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.6s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

/* ===== TRAVEL ===== */
.travel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.travel-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.travel-card:hover {
  transform: translateY(-4px);
}

.travel-icon {
  width: 56px;
  height: 56px;
  background: var(--cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--teal);
}

.travel-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.travel-card p {
  color: var(--text-light);
  margin-bottom: 10px;
  font-size: 15px;
}

.travel-detail {
  font-size: 14px !important;
  color: var(--text-muted) !important;
}

.travel-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-height: 420px;
}

.travel-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

/* ===== REGISTRATION ===== */
.reg-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 0;
}

.reg-content h2 {
  margin-bottom: 20px;
}

.reg-content .lead {
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
}

.reg-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.reg-pricing {
  max-width: 520px;
  margin: 0 auto 28px;
  text-align: left;
}

.reg-tier {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.reg-tier-label {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
}

.reg-tier-price {
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
}

.reg-note {
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.reg-note a {
  color: rgba(255,255,255,0.9);
  text-decoration: underline;
}

.contact-card {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
}

.contact-card p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}

.contact-card .contact-name {
  color: var(--text);
  margin-bottom: 24px;
}

.victoria-footnote {
  margin-top: 16px;
  font-size: 13px;
  font-style: italic;
  color: var(--text-muted);
}

/* ===== FOOTER ===== */
.footer {
  background: #0a1420;
  color: rgba(255,255,255,0.6);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.6;
}

.footer h4 {
  color: var(--white);
  font-size: 14px;
  font-family: 'Source Sans 3', sans-serif;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}

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

.footer-contact p {
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-contact a {
  color: var(--gold);
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
}

.footer-photo-credit {
  margin-top: 6px;
  font-size: 12px;
  opacity: 0.5;
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-image {
    max-height: 400px;
  }

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

  .gallery {
    columns: 2;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .calendar-day:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--cream-dark);
  }
}

@media (max-width: 960px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 27, 45, 0.98);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
  }

  .nav-links.open { display: flex; }

  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .section { padding: 64px 0; }

  .hero-content { padding: 70px 20px 40px; }

  .hero-org { font-size: 11px; margin-bottom: 12px; }

  .hero-subtitle { margin-bottom: 14px; }

  .hero-meta { margin-bottom: 10px; }

  .hero-edition { margin-bottom: 18px; font-size: 13px; }

  .hero-scroll { bottom: 16px; }

  .hero-meta { gap: 16px; }

  .cfp-card { padding: 28px 20px; }

  .venue-hero img { height: 280px; }

  .venue-photos {
    columns: 1;
  }

  .gallery {
    columns: 1;
  }

  .travel-image img { height: 260px; }

  .reg-actions { flex-direction: column; align-items: center; }

  .btn { padding: 12px 28px; font-size: 14px; }
}