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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ===== Custom Properties ===== */
:root {
  --burgundy-700: #6B1B2A;
  --burgundy-500: #d14063;
  --cream-50: #fefcf9;
  --blush-50: #fef7f2;
}

/* ===== Navigation ===== */
#navbar {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
  background: rgba(254, 252, 249, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(107, 27, 42, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--burgundy-700);
  transition: width 0.3s ease;
}

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

/* Mobile Menu */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.open .mobile-link {
  animation: fadeUp 0.4s ease forwards;
  opacity: 0;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

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

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

#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

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

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

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: var(--burgundy-700);
  color: #fefcf9;
  border-radius: 60px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border: 2px solid var(--burgundy-700);
}

.btn-primary:hover {
  background: var(--burgundy-800);
  border-color: var(--burgundy-800);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(107, 27, 42, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  background: transparent;
  color: var(--burgundy-700);
  border-radius: 60px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid var(--burgundy-700);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--burgundy-700);
  color: #fefcf9;
  transform: translateY(-2px);
}

/* ===== Floating Cards ===== */
.floating-card {
  animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
  animation-delay: -1s;
  animation-duration: 5s;
}

.floating-card:nth-child(3) {
  animation-delay: -2.5s;
  animation-duration: 7s;
}

.floating-card:nth-child(4) {
  animation-delay: -4s;
  animation-duration: 5.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
}

/* ===== Scroll Reveal ===== */
.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; }

/* ===== Typography Tweaks ===== */
.font-serif {
  letter-spacing: -0.02em;
}

/* ===== Selection ===== */
::selection {
  background: var(--burgundy-700);
  color: #fefcf9;
}

/* ===== Focus Styles ===== */
:focus-visible {
  outline: 2px solid var(--burgundy-700);
  outline-offset: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .font-serif {
    letter-spacing: -0.01em;
  }
}