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

:root {
  --bg:         #FFFFFF;
  --bg-alt:     #F8FAFC;
  --card:       #FFFFFF;
  --border:     #E2E8F0;
  --accent:     #0F172A;
  --accent-dim: #000000;
  --accent-bg:  #F1F5F9;
  --text:       #0F172A;
  --text-muted: #64748B;
  --nav-height: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hero, .page-header, .page-body, section { flex: 1 0 auto; }
footer { flex-shrink: 0; }

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 4px rgba(37,99,235,0.06);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.nav-logo img { height: 36px; width: auto; object-fit: contain; }
.nav-logo span {
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--accent-bg);
  color: var(--accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 0.75rem 1.5rem 1rem;
    gap: 0.1rem;
    border-top: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.55rem 0.5rem; font-size: 1rem; }
  .nav-social { border-left: none; padding-left: 0.5rem; }
}

.nav-social {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding-left: 0.5rem;
  border-left: 1px solid var(--border);
  margin-left: 0.25rem;
}
.nav-social a {
  display: flex;
  align-items: center;
  padding: 0.4rem 0.4rem;
  border-radius: 6px;
  color: var(--text-muted);
  transition: background 0.15s, color 0.15s;
}
.nav-social a:hover {
  background: var(--accent-bg);
  color: var(--accent);
}

/* ── HERO ── */
.hero {
  position: relative;
  background-image: url('/assets/img/background.svg');
  background-size: 800px;
  background-repeat: repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 2.5rem;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.93);
  pointer-events: none;
}
.hero-card {
  position: relative;
  z-index: 1;
  background: #ffffff;
  border-radius: 16px;
  padding: 2.5rem 3rem;
  text-align: center;
  box-shadow: 0 8px 40px rgba(37, 99, 235, 0.12);
  max-width: 800px;
  width: 100%;
}
.hero-card img {
  height: 90px;
  width: auto;
  object-fit: contain;
  margin-bottom: 1.25rem;
}
.hero-card h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.6rem;
}
.hero-card p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 460px;
  margin: 0 auto 1.75rem;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.hero-events {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  text-align: left;
}

@media (max-width: 640px) {
  .hero-card { padding: 2rem 1.5rem; }
}

/* ── BUTTONS ── */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(37,99,235,0.25); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-outline { border: 1.5px solid var(--accent); color: var(--accent); background: #fff; }
.btn-outline:hover { background: var(--accent-bg); box-shadow: none; }
.btn-tan {
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: background 0.15s;
  display: inline-block;
}
.btn-tan:hover { background: var(--accent-dim); }

/* ── SHARED SECTION ELEMENTS ── */
.section-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 1.5rem;
}

/* ── HOME SECTIONS ── */
section { scroll-margin-top: calc(var(--nav-height) + 8px); }

.section-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-inner p { color: var(--text-muted); }
.section-inner p + p { margin-top: 0.9rem; }
.section-inner p a { color: var(--accent); }

section:nth-of-type(odd)  { background: var(--bg); }
section:nth-of-type(even) { background: var(--bg-alt); }

/* ── ABOUT CARDS ── */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.about-card {
  background: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}
.about-card .icon { font-size: 1.6rem; margin-bottom: 0.5rem; }
.about-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.35rem; }
.about-card p { font-size: 0.9rem; color: var(--text-muted); }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; gap: 0rem; margin-top: 0.5rem; }
.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  border: none;
  padding: 0;
  margin-top: 0;
}
.faq-answer {
  color: var(--text-muted);
  font-size: 0.95rem;
}
.faq-answer p { color: var(--text-muted); margin: 0; }
.faq-answer a { color: var(--accent); }

/* ── EVENTS ── */
.event-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.event-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  gap: 1.25rem;
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.event-card:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(37,99,235,0.1); transform: translateY(-2px); }
.event-date-badge {
  flex-shrink: 0;
  background: var(--accent-bg);
  border-radius: 10px;
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.event-date-badge img { display: block; width: 36px; height: 36px; object-fit: contain; margin: auto; }
.event-info { flex: 1; min-width: 0; }
.event-info h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.3rem; }
.event-meta { font-size: 0.85rem; color: var(--text-muted); display: flex; flex-wrap: wrap; gap: 0.75rem; }
.event-arrow { color: var(--accent); font-size: 1.2rem; align-self: center; flex-shrink: 0; }
.events-loading { color: var(--text-muted); font-size: 0.95rem; padding: 1rem 0; }
.events-footer {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.events-footer p { font-size: 0.88rem; color: var(--text-muted); }

/* ── CONTACT CARDS ── */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.contact-card .icon { font-size: 1.5rem; }
.contact-card h3 { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.contact-card a { font-size: 0.9rem; color: var(--text-muted); text-decoration: none; }
.contact-card a:hover { color: var(--accent); text-decoration: underline; }

/* ── CODE OF CONDUCT BLOCKS ── */
.coc-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  margin-top: 1rem;
}
.coc-block h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
.coc-block ul { padding-left: 1.25rem; color: var(--text-muted); font-size: 0.93rem; }
.coc-block ul li { margin-bottom: 0.35rem; }
.coc-block p { color: var(--text-muted); font-size: 0.93rem; }
.coc-block p a { color: var(--accent); }

/* ── PAGE LAYOUT ── */
.page-header {
  background: var(--text);
  border-bottom: 1px solid #000;
  padding: 1.5rem 1.5rem;
  max-height: 160px;
  overflow: hidden;
}
.page-header-inner {
  max-width: 800px;
  margin: 0 auto;
}
.page-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  color: #fff;
}
.page-header .section-label {
  color: #94A3B8;
}
.page-header .section-divider {
  background: #fff;
}

.page-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}
.page-body p { color: var(--text-muted); margin-bottom: 0.9rem; }
.page-body p a { color: var(--accent); }
.page-body p a.btn-tan { color: #fff; }
.page-body strong { color: var(--text); font-weight: 600; }
.page-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 2rem 0 0.6rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}
.page-body h3:first-of-type { border-top: none; padding-top: 0; margin-top: 1.5rem; }
.page-body ul {
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
}
.page-body ul li { color: var(--text-muted); margin-bottom: 0.35rem; font-size: 0.95rem; }
.page-body .btn-tan { margin-top: 1.5rem; }

/* ── FOOTER ── */
footer {
  background: var(--text);
  color: #94A3B8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 2rem;
  font-size: 0.88rem;
  text-align: center;
}
.footer-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}
footer a { color: #94A3B8; text-decoration: none; transition: color 0.15s; }
footer a:hover { color: #fff; }