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

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

body {
  overflow-x: hidden;
}

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.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; }

/* ===== NAVBAR ===== */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #0D9488;
  border-radius: 1px;
  transition: all 0.2s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 60%;
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #0D9488, #2dd4bf);
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: 3px 3px 0 0;
}

.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);
  }
}

/* ===== BUTTON HOVER GLOW ===== */
button[type="submit"]:hover {
  transform: translateY(-1px);
}

button[type="submit"]:active {
  transform: translateY(0);
}

/* ===== FORM INPUTS ===== */
input:focus,
select:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

/* ===== CUSTOM SELECT ARROW ===== */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

/* ===== TESTIMONIAL CARDS ===== */
.testimonial-card {
  backdrop-filter: blur(8px);
}

/* ===== IMAGE HOVER ZOOM ===== */
img {
  transition: transform 0.4s ease;
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 640px) {
  .font-heading {
    line-height: 1.2;
  }
}