html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--text);
  overflow-x: hidden;
}

/* SECTION BASE */
section {
  padding: 6rem 8vw;
}

.sec-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid #C4D1FF;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.sec-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.sec-sub {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 460px;
  font-weight: 300;
}

p {
  font-size: 1rem;
}

/* REVEAL ANIMATION */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* SCROLL TO TOP */
/* .scroll-top {
  position: fixed;
  top: 100px;
  left:  50%;
  transform: translateX(50%);
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  background: var(--blue);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.22s ease, border-color 0.22s ease;
  
} */

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
  
}

.scroll-top:hover {
  background: var(--blue);
  border-color: var(--blue);
}

@media (max-width: 600px) {
  .scroll-top {
    width: 40px;
    height: 40px;
  }
}

/* WHATSAPP FAB */
.whatsapp-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  transition: background 0.22s ease, transform 0.22s ease, box-shadow 0.22s ease;
}

.whatsapp-fab:hover {
  background: #1ebe5d;
  transform: translateY(-3px) scale(1.06);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.55);
}

@media (max-width: 600px) {
  .whatsapp-fab {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .whatsapp-fab svg {
    width: 24px;
    height: 24px;
  }
}

/* RESPONSIVE */
@media (max-width: 900px) {
  section {
    padding: 4rem 6vw;
  }
}

@media (max-width: 600px) {
  .sec-title {
    font-size: clamp(1.4rem, 4vw, 2rem);
  }

  .sec-sub {
    font-size: 0.85rem;
  }

  p {
    font-size: 0.9rem;
  }
}