:root {
  --ink: #070a2b;
  --plum: #4c2bff;
  --violet: #8d63ff;
  --sky: #2fd8ff;
  --fog: #f6f7ff;
  --slate: #4f5173;
  --border: rgba(7, 10, 43, 0.12);
  --card: rgba(255, 255, 255, 0.92);
  --success: #32c48d;
  --success-bg: #e6fbf3;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--fog);
  color: var(--ink);
  font-family: inherit;
  line-height: 1.6;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: flex;
  flex-direction: column;
  gap: 64px;
}

header.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 32px;
  padding: 64px 24px;
  border-radius: 36px;
  background: linear-gradient(135deg, rgba(7, 10, 43, 0.95), rgba(76, 43, 255, 0.85)), url('Photos/Banner%20forum.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}

.forum-logo {
  width: 140px;
  max-width: 50%;
  margin: 20px 0px 22px;
  filter: drop-shadow(0 8px 20px rgba(7, 10, 43, 0.35));
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.7rem;
  color: var(--sky);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  padding: 8px 16px;
  margin: 4px 0 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
}

.hero .lede {
  margin: 18px auto 28px;
  max-width: 700px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
}

.hero-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.hero-meta li {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.7);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 28px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 18px 40px rgba(5, 9, 33, 0.35);
}

.btn.primary:hover {
  transform: translateY(-1px);
}

.btn.ghost {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-stats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 32px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-stats strong {
  display: block;
  font-size: 1.8rem;
  color: #fff;
}

.hero-banner {
  border-radius: 28px;
  overflow: hidden;
  align-self: stretch;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
}

.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

section {
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.section-heading h2,
section h2 {
  margin: 0 0 8px;
  font-size: 1.8rem;
  color: var(--ink);
}

.section-heading p,
section p {
  color: var(--slate);
  margin: 0;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
}

.timeline-item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 8px;
  bottom: -32px;
  width: 2px;
  background: linear-gradient(var(--plum), transparent);
}

.timeline-item:last-child::before {
  bottom: auto;
  height: 0;
}

.timeline-marker {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid #fff;
  background: var(--plum);
  position: absolute;
  left: 4px;
  top: 0;
  box-shadow: 0 0 0 6px rgba(76, 43, 255, 0.15);
}

.timeline-content h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--ink);
}

.timeline-content .time {
  margin: 6px 0;
  font-weight: 600;
  color: var(--plum);
}

.timeline-content .details {
  margin: 0;
  color: var(--slate);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--slate);
  background: #fff;
}

.card-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.info-card {
  background: var(--card);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}

.info-card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  color: var(--ink);
}

.info-card p,
.info-card li {
  color: var(--slate);
}

.info-card ul {
  margin: 0;
  padding-left: 18px;
}

.info-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.registration form {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--slate);
}

.form-field input,
.form-field select,
.form-field textarea {
  border: 1px solid rgba(7, 10, 43, 0.15);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 1rem;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--plum);
  box-shadow: 0 0 0 3px rgba(76, 43, 255, 0.2);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

.submit-btn {
  align-self: flex-start;
  border: none;
  border-radius: 999px;
  padding: 14px 34px;
  background: var(--plum);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.submit-btn:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.success-message {
  display: none;
  border-radius: 14px;
  background: var(--success-bg);
  color: var(--success);
  padding: 14px 16px;
  border: 1px solid rgba(50, 196, 141, 0.35);
  margin-top: 8px;
}

.success-message.show {
  display: block;
}

.partners {
  text-align: center;
  padding-bottom: 60px;
}

.sponsor-tier {
  margin-top: 40px;
  margin-bottom: 40px;
}

.sponsor-tier h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--slate);
  margin-bottom: 20px;
  font-weight: 600;
  opacity: 0.8;
}

.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.partner-logos img {
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.partner-logos img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

/* Tier Sizing */
.tier-diamond .partner-logos img {
  height: 100px;
  max-width: 280px;
}

.tier-gold .partner-logos img {
  height: 70px;
  max-width: 200px;
}

.tier-silver .partner-logos img {
  height: 55px;
  max-width: 160px;
}

.tier-bronze .partner-logos img,
.tier-community .partner-logos img {
  height: 45px;
  max-width: 140px;
}

a {
  color: var(--plum);
}

@media (max-width: 720px) {
  header.hero {
    padding: 32px;
  }

  .hero-meta,
  .hero-stats {
    flex-direction: column;
    gap: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .partner-logos {
    gap: 24px;
  }
  
  .tier-diamond .partner-logos img { height: 70px; }
  .tier-gold .partner-logos img { height: 50px; }
  .tier-silver .partner-logos img { height: 40px; }
  .tier-bronze .partner-logos img,
  .tier-community .partner-logos img { height: 35px; }

  .timeline-item::before {
    left: 6px;
  }

  .timeline-item {
    padding-left: 28px;
  }
}