/* HDB Youth — no fixed nav, no card grids, no stat bars, no footer columns */
:root {
  --blue: #1fa3e0;
  --blue-dark: #0d7fba;
  --yellow: #fec92e;
  --coral: #ff6b6b;
  --bg: #f9f7f4;
  --text: #15192a;
  --text-light: #62687d;
  --white: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; }

/* Fullscreen overlay nav */
.overlay-toggle {
  position: fixed; top: 24px; right: 24px; z-index: 1001;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--blue); border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
  transition: 0.3s; box-shadow: 0 4px 16px rgba(31,163,224,0.3);
}
.overlay-toggle span { display: block; width: 20px; height: 2.5px; background: var(--white); border-radius: 3px; transition: 0.3s; }
.overlay-toggle:hover { transform: scale(1.06); }
.overlay-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px,7px); }
.overlay-toggle.open span:nth-child(2) { opacity: 0; }
.overlay-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(3px,-6px); }

.overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--text); color: var(--white);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 32px;
  opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.overlay.open { opacity: 1; pointer-events: auto; }
.overlay a {
  font-size: 1.8rem; font-weight: 500; color: rgba(255,255,255,0.6);
  text-decoration: none; transition: 0.3s;
}
.overlay a:hover { color: var(--yellow); }

/* Hero — full screen centered */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 60px 8%; position: relative; overflow: hidden;
  background: var(--white);
}
.hero::before {
  content: ''; position: absolute; top: -20%; right: -20%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(31,163,224,0.04) 0%, transparent 70%);
}
.hero-content { max-width: 780px; text-align: center; position: relative; z-index: 1; }
.hero-content h1 { font-size: clamp(2.6rem, 5vw, 4.2rem); font-weight: 800; line-height: 1.08; letter-spacing: -1.5px; margin-bottom: 20px; }
.hero-content h1 em { font-style: normal; background: linear-gradient(135deg, var(--blue), var(--coral)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-content p { font-size: 1.1rem; color: var(--text-light); max-width: 540px; margin: 0 auto 32px; }
.hero-content .btn {
  display: inline-block; padding: 14px 38px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600; text-decoration: none;
  background: var(--blue); color: var(--white);
  transition: 0.3s;
}
.hero-content .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(31,163,224,0.3); }

/* Accent band */
.band {
  padding: 32px 8%; background: var(--blue);
  text-align: center;
}
.band span { font-size: 1.05rem; color: rgba(255,255,255,0.85); letter-spacing: 1px; }
.band strong { color: var(--yellow); font-weight: 700; }

/* Content blocks — alternating */
.block { padding: 100px 8%; }
.block:nth-child(odd) { background: var(--white); }
.block-inner { max-width: 1100px; margin: 0 auto; display: flex; gap: 50px; align-items: center; }
.block-inner.reverse { flex-direction: row-reverse; }
.block-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2.5px; color: var(--coral); margin-bottom: 8px; }
.block-text { flex: 1; }
.block-text h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 700; margin-bottom: 14px; line-height: 1.2; }
.block-text p { font-size: 0.92rem; color: var(--text-light); line-height: 1.8; margin-bottom: 10px; }
.block-visual { flex: 0 0 240px; height: 240px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--coral)); display: flex; align-items: center; justify-content: center; font-size: 3rem; color: rgba(255,255,255,0.3); }

/* Horizontal scroll */
.scroll-wrap { padding: 80px 8%; overflow-x: auto; background: var(--text); white-space: nowrap; -webkit-overflow-scrolling: touch; }
.scroll-wrap::-webkit-scrollbar { height: 6px; }
.scroll-wrap::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); }
.scroll-wrap::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 3px; }
.scroll-head { text-align: center; margin-bottom: 40px; }
.scroll-head h2 { color: var(--white); font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
.scroll-head p { color: rgba(255,255,255,0.4); font-size: 0.9rem; margin-top: 6px; }
.scroll-track { display: flex; gap: 20px; padding-bottom: 10px; }
.sc-item {
  display: inline-flex; flex-direction: column; justify-content: center;
  min-width: 280px; height: 200px; padding: 28px; border-radius: 20px;
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  white-space: normal;
}
.sc-item .sc-icon { font-size: 1.6rem; margin-bottom: 12px; }
.sc-item h4 { font-size: 1rem; color: var(--white); margin-bottom: 6px; }
.sc-item p { font-size: 0.82rem; color: rgba(255,255,255,0.45); line-height: 1.6; }

/* Quote */
.quote-block { padding: 80px 8%; background: var(--bg); text-align: center; }
.quote-block q { display: block; font-size: clamp(1.1rem, 2vw, 1.4rem); font-weight: 500; line-height: 1.6; color: var(--text); max-width: 640px; margin: 0 auto 24px; font-style: italic; }
.quote-block q::before, .quote-block q::after { color: var(--blue); }
.quote-block .qt-author { font-size: 0.85rem; color: var(--text-light); }
.quote-block .qt-author strong { color: var(--text); }

/* CTA */
.cta-strip {
  padding: 70px 8%; background: linear-gradient(135deg, var(--blue), var(--coral));
  text-align: center;
}
.cta-strip h2 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); color: var(--white); margin-bottom: 10px; }
.cta-strip p { font-size: 0.95rem; color: rgba(255,255,255,0.8); margin-bottom: 24px; }
.cta-strip .btn {
  display: inline-block; padding: 12px 34px; border-radius: 50px;
  font-size: 0.9rem; font-weight: 600; text-decoration: none;
  background: var(--white); color: var(--text); transition: 0.3s;
}
.cta-strip .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }

/* Minimal footer */
footer { padding: 32px 8%; background: var(--text); text-align: center; }
footer p { font-size: 0.8rem; color: rgba(255,255,255,0.3); }
footer a { color: var(--blue); text-decoration: none; }
footer .fb { display: flex; justify-content: center; gap: 24px; margin-bottom: 8px; }
footer .fb a { color: rgba(255,255,255,0.4); font-size: 0.82rem; }
footer .fb a:hover { color: var(--yellow); }

/* Page layout */
.p-hero {
  padding: 100px 8% 50px; background: var(--white); text-align: center;
}
.p-hero h1 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 8px; }
.p-hero p { color: var(--text-light); font-size: 0.95rem; max-width: 520px; margin: 0 auto; }
.p-body { padding: 50px 8% 80px; }
.p-bi { max-width: 720px; margin: 0 auto; }
.p-bi h2 { font-size: 1.2rem; margin: 28px 0 10px; color: var(--text); }
.p-bi p { font-size: 0.9rem; color: var(--text-light); line-height: 1.8; margin-bottom: 12px; }
.p-bi ul { margin: 8px 0 14px; padding-left: 18px; }
.p-bi ul li { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; margin-bottom: 4px; }

/* Simple contact */
.c-wrap { max-width: 600px; margin: 0 auto; }
.c-wrap .fg { margin-bottom: 16px; }
.c-wrap label { display: block; font-size: 0.8rem; font-weight: 600; margin-bottom: 3px; }
.c-wrap input, .c-wrap textarea, .c-wrap select { width: 100%; padding: 10px 14px; border: 1.5px solid rgba(0,0,0,0.08); border-radius: 10px; font-size: 0.9rem; font-family: inherit; transition: 0.3s; }
.c-wrap input:focus, .c-wrap textarea:focus { outline: none; border-color: var(--blue); }
.c-wrap textarea { height: 90px; }
.c-wrap .btn { padding: 12px 30px; border: none; border-radius: 50px; background: var(--blue); color: var(--white); font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: 0.3s; }
.c-wrap .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(31,163,224,0.3); }
.c-details { text-align: center; margin-top: 40px; padding-top: 30px; border-top: 1px solid rgba(0,0,0,0.04); font-size: 0.85rem; color: var(--text-light); }
.c-details strong { color: var(--text); }

/* Animations */
.slide-in { opacity: 0; transform: translateY(30px); transition: 0.6s cubic-bezier(0.22,1,0.36,1); }
.slide-in.in { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
  .block-inner { flex-direction: column; text-align: center; }
  .block-inner.reverse { flex-direction: column; }
  .block-visual { flex: 0 0 140px; width: 140px; height: 140px; font-size: 2rem; }
  .block { padding: 60px 8%; }
  .overlay a { font-size: 1.4rem; }
}