*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: #fff;
  color: #111;
}

/* ── Header ── */

header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px 40px;
  background: transparent;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  text-decoration: none;
}

.logo span {
  display: block;
  background: #0C2752;
  color: #fff;
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 5px;
}

nav {
  display: flex;
  gap: 10px;
  align-items: center;
  padding-top: 0;
}

nav a {
  background: #0C2752;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 3px 6px;
}

nav a:hover,
nav a.active {
  background: #fff;
  color: #0C2752;
  border: 2px solid #0C2752;
  padding: 1px 4px;
}

/* ── Placeholder grid ── */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 40px;
}

.placeholder {
  background: #f2f2f2;
  aspect-ratio: 4 / 3;
}

.placeholder--wide {
  grid-column: span 2;
  aspect-ratio: 16 / 7;
}

.placeholder--tall {
  aspect-ratio: 3 / 4;
}

.placeholder--video {
  aspect-ratio: 16 / 9;
}

.placeholder--square {
  aspect-ratio: 1;
}

.placeholder--doc {
  aspect-ratio: 1 / 1.414;
}

/* ── Page content ── */

.page-content {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

/* ── Contact page ── */

.contact-info {
  font-size: 1.1rem;
  line-height: 1.7;
}

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

.contact-details {
  margin-top: 32px;
  padding: 24px;
  background: #f2f2f2;
}

.contact-details p {
  margin-bottom: 8px;
}

/* ── Events page ── */

.event-hero {
  text-align: center;
  padding: 100px 40px;
  background: #E6883B;
  color: #fff;
  margin-bottom: 0;
}

.event-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
  border: 2px solid #fff;
  padding: 6px 16px;
}

.event-title {
  font-size: 4rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin-bottom: 32px;
}

.event-date {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.event-time {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 8px;
}

.event-signup-link {
  display: inline-block;
  margin-top: 24px;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  background: #0C2752;
  padding: 14px 36px;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 3px solid #0C2752;
  transition: all 0.15s ease;
}

.event-signup-link:hover {
  background: #E6883B;
  color: #fff;
  border-color: #fff;
}

/* ── Description section ── */

.event-description {
  max-width: 920px;
  margin: 0 auto;
  padding: 80px 40px 60px;
  font-size: 1.15rem;
  line-height: 1.85;
}

.event-description h2 {
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin-bottom: 28px;
}

.event-description p {
  margin-bottom: 20px;
}

.event-description strong {
  color: #E6883B;
}

/* ── Program section ── */

.event-program {
  background: #e8e8e8;
  color: #111;
  padding: 80px 40px;
}

.event-program h2 {
  font-size: 2.2rem;
  font-weight: 900;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 16px;
}

.program-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
  font-size: 1.1rem;
  line-height: 1.7;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}

.program-card {
  background: #fff;
  padding: 32px 32px 32px 36px;
  position: relative;
  border-left: 5px solid #E6883B;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.program-number {
  display: block;
  font-size: 3.5rem;
  font-weight: 900;
  color: #0C2752;
  line-height: 1;
  margin-bottom: 14px;
}

.program-card h3 {
  font-size: 1.1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.program-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Audience section ── */

.event-audience {
  max-width: 920px;
  margin: 0 auto;
  padding: 80px 40px 40px;
}

.event-audience h2 {
  font-size: 2rem;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.event-audience p {
  font-size: 1.15rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.audience-highlight {
  font-size: 1.4rem !important;
  font-weight: 900;
  color: #E6883B;
  line-height: 1.5 !important;
  margin-top: 12px;
}

/* ── CTA section ── */

.event-cta {
  text-align: center;
  padding: 40px 40px 100px;
}

.btn-signup {
  display: inline-block;
  background: #E6883B;
  color: #fff;
  font-size: 1.3rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  padding: 20px 56px;
  border: 3px solid #E6883B;
  transition: all 0.15s ease;
}

.btn-signup:hover {
  background: #fff;
  color: #E6883B;
}

/* ── Footer ── */

.site-footer {
  padding: 60px 40px;
  border-top: 2px solid #e8e8e8;
}

.footer-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-logos img {
  height: 80px;
  width: auto;
}

/* ── Mobile ── */

@media (max-width: 640px) {
  header {
    padding: 16px 20px;
    align-items: center;
  }

  .logo span {
    font-size: 1rem;
  }

  nav {
    gap: 6px;
  }

  nav a {
    font-size: 0.75rem;
    padding: 2px 5px;
  }

  .event-hero {
    padding: 60px 20px;
  }

  .event-title {
    font-size: 2.2rem;
    margin-bottom: 20px;
  }

  .event-date {
    font-size: 1.1rem;
  }

  .event-label {
    font-size: 0.75rem;
    padding: 4px 12px;
    margin-bottom: 16px;
  }

  .event-description {
    padding: 48px 20px 40px;
    font-size: 1rem;
  }

  .event-description h2 {
    font-size: 1.5rem;
  }

  .event-program {
    padding: 48px 20px;
  }

  .event-program h2 {
    font-size: 1.6rem;
  }

  .program-intro {
    font-size: 1rem;
  }

  .program-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .program-card {
    padding: 24px 24px 24px 28px;
  }

  .program-number {
    font-size: 2.5rem;
  }

  .event-audience {
    padding: 48px 20px 32px;
  }

  .event-audience h2 {
    font-size: 1.5rem;
  }

  .event-audience p {
    font-size: 1rem;
  }

  .audience-highlight {
    font-size: 1.15rem !important;
  }

  .event-cta {
    padding: 32px 20px 60px;
  }

  .btn-signup {
    font-size: 1rem;
    padding: 16px 32px;
  }

  .site-footer {
    padding: 40px 20px;
  }

  .footer-logos {
    gap: 32px;
  }

  .footer-logos img {
    height: 56px;
  }

  .page-content {
    padding: 24px 20px;
  }

  .page-content h1 {
    font-size: 1.5rem;
  }

  .grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }

  .placeholder--wide {
    grid-column: span 1;
  }
}