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

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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(240, 165, 0, 0.3);
  color: #fff;
}

/* ===== HEADER ===== */
#header {
  background: transparent;
}

#header.scrolled {
  background: rgba(22, 11, 32, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #F0A500;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ===== MOBILE MENU ===== */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.closed {
  opacity: 0;
  pointer-events: none;
}

.mobile-link {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.75rem;
}

.menu-bar {
  transition: all 0.3s ease;
}

#menuToggle.active .menu-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

#menuToggle.active .menu-bar:nth-child(2) {
  opacity: 0;
}

#menuToggle.active .menu-bar:nth-child(3) {
  width: 1.5rem;
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== FLOATING CARDS ===== */
.floating-card-1 {
  animation: float1 6s ease-in-out infinite;
}

.floating-card-2 {
  animation: float2 5s ease-in-out infinite;
}

.floating-card-3 {
  animation: float3 7s ease-in-out infinite;
}

.floating-card-4 {
  animation: float4 5.5s ease-in-out infinite;
}

@keyframes float1 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(1deg); }
}

@keyframes float2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(-1deg); }
}

@keyframes float3 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes float4 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(-1deg); }
}

/* ===== CARD ELEVATED ===== */
.card-elevated {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.card-elevated:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
}

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

.reveal.visible {
  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; }

/* ===== BUTTONS ===== */
a, button {
  -webkit-tap-highlight-color: transparent;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #160b20;
}

::-webkit-scrollbar-thumb {
  background: rgba(240, 165, 0, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(240, 165, 0, 0.5);
}

/* ===== FORM ===== */
input:focus, select:focus, textarea:focus {
  background: rgba(255, 255, 255, 0.08) !important;
}

select option {
  background: #301840;
  color: #fff;
}

/* ===== DATE INPUT ===== */
input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7) sepia(1) saturate(3) hue-rotate(10deg);
  cursor: pointer;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  html {
    scroll-padding-top: 70px;
  }

  .floating-card-1,
  .floating-card-2,
  .floating-card-3,
  .floating-card-4 {
    display: none;
  }
}