/* ========== RESET & BASE ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  overflow-x: hidden;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.animate-slide-up {
  animation: slideUp 0.8s ease forwards;
  opacity: 0;
}

.animate-slide-up-delay {
  animation: slideUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.animate-slide-up-delay-2 {
  animation: slideUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

/* ========== NAVBAR ========== */
.nav-link {
  color: rgba(255, 255, 255, 0.8);
}

.nav-link:hover {
  color: #d4a84b;
}

.nav-link-color {
  color: white;
}

.nav-link-color-light {
  color: rgba(212, 168, 75, 0.9);
}

/* ========== SCROLL REVEAL ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ========== MOBILE MENU ========== */
.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ========== MENU BUTTON ========== */
.menu-line {
  transform-origin: center;
}

#menu-btn.active .menu-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

#menu-btn.active .menu-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 20px;
  margin-right: 0;
  margin-left: auto;
}

/* ========== BACK TO TOP ========== */
#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ========== SELECT STYLING ========== */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231a3a5c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  html {
    scroll-padding-top: 70px;
  }

  h1 {
    font-size: 2.5rem !important;
  }

  h1 span {
    font-size: 1.75rem !important;
  }
}