/* ===== 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; }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.animate-on-scroll.delay-100 { transition-delay: 0.1s; }
.animate-on-scroll.delay-200 { transition-delay: 0.2s; }
.animate-on-scroll.delay-300 { transition-delay: 0.3s; }
.animate-on-scroll.delay-400 { transition-delay: 0.4s; }
.animate-on-scroll.delay-500 { transition-delay: 0.5s; }

/* ===== HEADER ===== */
#header { transition: box-shadow 0.3s ease; }

/* ===== MOBILE MENU ===== */
#mobileMenu { animation: fadeIn 0.2s ease; }
.mobile-link { transition: color 0.2s ease; }

/* ===== SERVICE CARDS ===== */
.group:hover .group-hover\:translate-y-0 {
  transform: translateY(0);
}

/* ===== CUSTOM SELECT ARROW ===== */
select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.25em 1.25em;
  -webkit-appearance: none;
  appearance: none;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* ===== HERO GEOMETRY ANIMATION ===== */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(12deg); }
  50%       { transform: translateY(-12px) rotate(12deg); }
}

@keyframes floatReverse {
  0%, 100% { transform: translateY(0) rotate(-8deg); }
  50%       { transform: translateY(10px) rotate(-8deg); }
}

.geo-float { animation: float 6s ease-in-out infinite; }
.geo-float-reverse { animation: floatReverse 7s ease-in-out infinite; }

/* ===== SELECTION ===== */
::selection { background: #14b8a6; color: #fff; }