/* ========== BASE ========== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  margin: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ========== NAVBAR ========== */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #9333ea, #d97706);
  border-radius: 1px;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 60%;
}

/* ========== CARD HOVER ========== */
.card-hover {
  transform: translateY(0);
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
}

/* ========== FAQ ========== */
.faq-btn {
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.faq-btn:hover .faq-icon {
  color: #a855f7;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-content.open {
  max-height: 300px;
}

.faq-icon.rotated {
  transform: rotate(180deg);
}

/* ========== MOBILE MENU ========== */
.mobile-menu-link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  color: rgb(113, 50, 133);
  font-weight: 500;
  transition: background-color 0.2s;
}

.mobile-menu-link:hover {
  background-color: rgb(250, 245, 255);
}

/* ========== HERO ANIMATIONS ========== */
.hero-anim {
  opacity: 0;
  transform: translateY(24px);
  animation: heroSlideUp 0.7s ease forwards;
}

.hero-anim:nth-child(1) { animation-delay: 0.1s; }
.hero-anim:nth-child(2) { animation-delay: 0.25s; }
.hero-anim:nth-child(3) { animation-delay: 0.4s; }
.hero-anim:nth-child(4) { animation-delay: 0.55s; }

@keyframes heroSlideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
  .hero-anim {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .card-hover:hover {
    transform: none;
  }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  .font-serif {
    font-size: 1.75rem;
  }
}