/* ===== 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;
}

::selection {
  background: rgba(255, 107, 74, 0.3);
  color: #fff;
}

/* ===== NAVBAR ===== */
#navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
  background: rgba(17, 24, 39, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

/* ===== SERVICE CARDS ===== */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #FF6B4A, #FF8F75);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover::before {
  opacity: 1;
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
  animation: slideDown 0.25s ease;
}

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

/* ===== SCROLL REVEAL (progressive enhancement) ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .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; }
}

/* ===== FORM INPUTS ===== */
input:focus, textarea:focus {
  outline: none;
}

/* ===== MAP FILTER ===== */
iframe[title] {
  border-radius: 1.5rem;
}

/* ===== UTILITY ===== */
@media (max-width: 639px) {
  html {
    scroll-padding-top: 70px;
  }
}