body{background:#f8f9fa;}
/* =========================
   HERO SECTION – Modern CSS
   ========================= */
:root{
  --hero-h: 82vh;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --radius-xl: 1.25rem;
  --max-w: 72ch;

  --bg: #0b1020;
  --fg: #e9eefc;
  --muted: #b7c0d6;
  --brand: #5b8cff;
  --brand-ink: #0b1b4d;
  --ring: 0 0 0 .12rem rgba(91,140,255,.55);
}

@media (prefers-color-scheme: light){
  :root{
    --bg: #f7f8fc;
    --fg: #0f1226;
    --muted: #4b5563;
    --brand: #3b82f6;
    --brand-ink: #0b1b4d;
  }
}

.hero{
  position: relative;
  min-height: var(--hero-h);
  display: grid;
  align-items: center;
  padding: clamp(1.25rem, 2.5vw, 3rem);
  overflow: clip;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(91,140,255,.18), transparent 60%),
              radial-gradient(900px 500px at 90% 90%, rgba(255,255,255,.06), transparent 60%),
              var(--bg);
  color: var(--fg);
  isolation: isolate;
}

/* Background image + overlay */
.hero__bg{
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to top, rgba(11,16,32,.85), rgba(11,16,32,.35)),
    var(--hero-image, none);
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.05);
  transform: scale(1.03);
}

.hero__content{
  max-width: var(--max-w);
  width: min(100%, 58rem);
  margin-inline: auto;
  text-wrap: balance;
}

.hero__eyebrow{
  display: inline-block;
  font-size: clamp(.75rem, .9rem + .25vw, .95rem);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255,255,255,.06);
  padding: .4rem .7rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.hero__title{
  font-size: clamp(1.8rem, 1.3rem + 3vw, 3.6rem);
  line-height: 1.1;
  margin: var(--space-2) 0 var(--space-2);
  font-weight: 800;
  letter-spacing: -.02em;
}

.hero__subtitle{
  font-size: clamp(1rem, .9rem + .6vw, 1.25rem);
  color: var(--muted);
  margin-bottom: var(--space-4);
}

/* Actions */
.hero__actions{
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.btn{
  --pad-y: .85rem;
  --pad-x: 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: var(--pad-y) calc(var(--pad-x) * 1.2);
  border-radius: calc(var(--radius-xl) * .9);
  font-weight: 700;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .2s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  will-change: transform;
  border: 1px solid transparent;
}

.btn:focus-visible{
  outline: none;
  box-shadow: var(--ring);
}

.btn--primary{
  background: linear-gradient(160deg, var(--brand), color-mix(in oklab, var(--brand), white 18%));
  color: white;
}

.btn--primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(91,140,255,.35);
}

.btn--ghost{
  background: rgba(255,255,255,.08);
  color: var(--fg);
  border-color: rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.12);
}

/* Layout tweaks for small screens */
@media (max-width: 520px){
  .hero{
    --hero-h: 72vh;
  }
  .hero__actions{
    gap: .75rem;
  }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce){
  .btn{
    transition: none;
  }
}

/* Optional: tanpa gambar, pakai warna saja
   Hilangkan hero__bg atau biarkan --hero-image tidak di-set */
   
.hover-zoom-in {
  transition: transform 0.4s ease, filter 0.4s ease;
}
.hover-zoom-in:hover {
  transform: scale(1.05);      /* zoom */
  filter: brightness(80%);     /* jadi agak gelap */
}

.hover-zoom-out {
  transition: transform 0.4s ease, filter 0.4s ease;
}
.hover-zoom-out:hover {
  transform: scale(0.98);      /* zoom */
  filter: brightness(80%);     /* jadi agak gelap */
}

.floating-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1050;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: opacity 0.3s ease, transform 0.3s ease;
  opacity: 0;
  pointer-events: none;
}
.floating-btn.show {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.floating-btn.chatbot {
  bottom: 200px; /* biar di atas tombol scroll */
  background: #0d6efd;
  color: white;
}