:root {
  --color-primary: #0a1128;
  --color-primary-light: #14224a;
  --color-accent: #2563eb;
  --color-accent-light: #60a5fa;
  --color-bg: #ffffff;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.site-header {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #ffffff;
}

.logo-img {
  height: 44px;
  width: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-name em {
  font-style: normal;
  color: var(--color-accent-light);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-accent-light);
}

/* Hero */
.hero {
  background: radial-gradient(circle at top, var(--color-primary-light) 0%, var(--color-primary) 60%, #000000 100%);
  color: #ffffff;
  text-align: center;
  padding: 5rem 0 6rem;
}

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1.5rem;
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.35);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 1rem;
  letter-spacing: 0.02em;
}

.hero h1 span {
  color: var(--color-accent-light);
}

.hero p {
  max-width: 640px;
  margin: 0 auto 2rem;
  font-size: 1.15rem;
  color: #cbd5e1;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-accent-light);
}

.btn-outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
}

/* Sections */
.section {
  padding: 4rem 0;
  border-bottom: 1px solid #e5e7eb;
}

.section h3 {
  color: var(--color-primary);
  font-size: 1.9rem;
  margin-top: 0;
}

.section-lead {
  color: var(--color-muted);
  margin-top: -0.5rem;
  margin-bottom: 2rem;
  max-width: 640px;
}

.section-dark {
  background-color: var(--color-primary);
  color: #ffffff;
}

.section-dark h3 {
  color: #ffffff;
}

.section-dark .section-lead {
  color: #cbd5e1;
}

.section-accent {
  background-color: #eef2ff;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}

.stats li {
  background-color: #eef2ff;
  border-radius: 12px;
  padding: 1.25rem 0.5rem;
}

.stats strong {
  display: block;
  font-size: 2rem;
  color: var(--color-accent);
}

.stats span {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.gallery-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.gallery-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

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

/* Events */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.event-card {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.5rem;
}

.event-tag {
  display: inline-block;
  background-color: var(--color-accent);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.event-card h4 {
  margin: 0 0 0.5rem;
  color: var(--color-primary);
}

.event-card p {
  margin: 0;
  color: var(--color-muted);
}

/* Membership */
.membership-content {
  max-width: 640px;
  text-align: center;
  margin: 0 auto;
}

.perks {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
  display: grid;
  gap: 0.75rem;
  text-align: left;
}

.perks li {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--color-accent);
}

/* Contact */
.contact-form {
  max-width: 520px;
  display: grid;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row label {
  font-weight: 600;
  color: var(--color-primary);
}

.form-row input,
.form-row textarea {
  font: inherit;
  padding: 0.7rem 0.9rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: #cbd5e1;
  padding: 2rem 0;
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

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

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-primary);
    flex-direction: column;
    padding: 1rem 1.5rem;
    display: none;
    gap: 1rem;
  }

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

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