/* ---------- Base layout & theme ---------- */
:root{
  --bg-1:#0b0d12;
  --bg-2:#101425;
  --text:#e9ecf1;
  --muted:#b7c0cf;
  --accent:#ffd84d; /* banana yellow */
  --card:#151a2b;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}

*{box-sizing:border-box}

html,body{height:100%}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 600px at 75% 15%, rgba(255,216,77,.10), transparent 60%),
              linear-gradient(180deg,var(--bg-1),var(--bg-2));
  overflow-x:hidden;
}

.container{
  max-width:1100px;
  margin-inline:auto;
  padding: clamp(16px, 2vw, 24px);
}

/* ---------- Hero ---------- */
.site-header{
  position:relative;
  text-align:center;
  padding-top: clamp(70px, 12vh, 160px);
  padding-bottom: clamp(50px, 10vh, 120px);
}

.hero-title{
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin:0 0 10px;
  text-shadow: 0 2px 0 rgba(0,0,0,.25);
}

.tagline{
  font-size: clamp(16px, 2.4vw, 22px);
  color:var(--muted);
  margin:0 0 28px;
}

.cta-button{
  display:inline-block;
  font-weight:600;
  text-decoration:none;
  padding:14px 22px;
  border-radius:14px;
  background:linear-gradient(180deg, #ffe585, #ffd84d);
  color:#121212;
  box-shadow: 0 8px 20px rgba(255,216,77,.35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta-button:hover{ transform: translateY(-2px); box-shadow: 0 12px 26px rgba(255,216,77,.45); }
.cta-button:active{ transform: translateY(0); box-shadow: 0 6px 16px rgba(255,216,77,.35); }

/* ---------- Why section ---------- */
.section-why h2{
  margin: 10px 0 18px;
  font-size: clamp(26px, 3.4vw, 36px);
}

.grid{
  display:grid;
  grid-template-columns: repeat( auto-fit, minmax(240px, 1fr) );
  gap:20px;
}

.card{
  background: linear-gradient(180deg, rgba(255,216,77,.06), transparent 70%), var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius:16px;
  padding:18px 18px 16px;
  box-shadow: var(--shadow);
  min-height: 160px;
}

.card-emoji{
  font-size: 28px;
  line-height:1;
  margin-bottom: 6px;
}

.card h3{
  margin: 6px 0 8px;
  font-size: 20px;
}

.card p{
  margin:0;
  color:var(--muted);
  line-height:1.45;
}

.quote{
  margin: 26px 6px 8px;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: linear-gradient(90deg, rgba(255,216,77,.1), transparent);
  color: var(--text);
  border-radius: 8px;
  box-shadow: 0 6px 16px rgba(0,0,0,.2);
  font-style: italic;
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid rgba(255,255,255,.06);
  margin-top: 40px;
  padding-block: 24px 40px;
  text-align:center;
  color:var(--muted);
}

/* ---------- Falling bananas ---------- */
#banana-field{
  position:fixed;
  inset:0;
  overflow:hidden;
  pointer-events:none;
  z-index:-1;
}

/* Wrapper that moves vertically (fall) */
.banana{
  position:absolute;
  top:-12vh;
  left:0;
  transform: translate3d(0, -12vh, 0);
  font-size: var(--size, 24px);
  opacity: var(--opacity, 1);
  filter: blur(var(--blur,0px));
  animation: fall var(--fall-duration, 10s) linear var(--fall-delay, 0s) forwards;
}

/* Element that sways left/right */
.banana__sway{
  display:block;
  animation: sway var(--sway-duration, 4.5s) ease-in-out infinite;
}

/* Element that spins */
.banana__spin{
  display:block;
  filter: drop-shadow(0 8px 6px rgba(0,0,0,.25));
  animation: spin var(--spin-duration, 6s) linear infinite;
}

@keyframes fall{
  to{
    transform: translate3d(0, 112vh, 0);
  }
}

@keyframes sway{
  0%{ transform: translateX(calc(-1 * var(--amplitude, 40px))); }
  50%{ transform: translateX(var(--amplitude, 40px)); }
  100%{ transform: translateX(calc(-1 * var(--amplitude, 40px))); }
}

@keyframes spin{
  from{ transform: rotate(var(--start-rot, -20deg)); }
  to{ transform: rotate(calc(var(--start-rot, -20deg) + var(--spin, 360deg))); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .banana, .banana__sway,
  .banana__spin{
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
  }
}