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

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

body {
  overflow-x: hidden;
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
  }
  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── HERO TAG ANIMATION ─── */
.hero-tag {
  opacity: 0;
  animation: fadeSlideUp 0.8s 0.3s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* ─── HERO HEADLINE ANIMATION ─── */
h1 .hero-line {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeSlideUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

h1 .hero-line:nth-child(1) { animation-delay: 0.5s; }
h1 .hero-line:nth-child(2) { animation-delay: 0.65s; }

/* ─── HERO CTA ANIMATION ─── */
.hero-cta {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlideUp 0.8s 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

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

/* ─── SCROLL INDICATOR ─── */
.scroll-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: float 2.5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ─── HEADER SCROLLED STATE ─── */
#site-header.scrolled {
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(5, 150, 105, 0.08), 0 4px 24px rgba(5, 150, 105, 0.06);
}

/* ─── CARD FLIP HOVER ─── */
.card-flip {
  transform: translateY(0);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.4s ease;
}

.card-flip:hover {
  transform: translateY(-6px);
}

/* ─── NAV LINK UNDERLINE ─── */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #059669;
  border-radius: 1px;
  transition: width 0.3s ease;
}

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

/* ─── MOBILE LINK ─── */
.mobile-link {
  position: relative;
}

/* ─── FOCUS STYLES ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #059669;
  outline-offset: 2px;
  border-radius: 4px;
}

/* ─── SELECTION ─── */
::selection {
  background: rgba(5, 150, 105, 0.15);
  color: #064E3B;
}

/* ─── MOBILE MENU TRANSITION ─── */
#mobile-menu {
  animation: slideDown 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── IMAGE HOVER ─── */
.rounded-2xl.overflow-hidden img {
  display: block;
}

/* ─── RESPONSIVE TWEAKS ─── */
@media (max-width: 768px) {
  html {
    scroll-padding-top: 72px;
  }

  .font-display {
    word-spacing: -0.02em;
  }
}