/* ── Base & Utilities ── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(79, 209, 197, 0.3);
  color: #fff;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #051423;
}
::-webkit-scrollbar-thumb {
  background: rgba(79, 209, 197, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(79, 209, 197, 0.5);
}

/* ── Navbar Transition ── */
#navbar.scrolled {
  background: rgba(3, 13, 24, 0.95) !important;
  backdrop-blur: 12px !important;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ── Mobile Menu ── */
.mobile-link {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-link:last-child {
  border-bottom: none;
}

/* ── Service Cards ── */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(79, 209, 197, 0), transparent);
  transition: all 0.5s ease;
}

.service-card:hover::before {
  background: linear-gradient(90deg, transparent, rgba(79, 209, 197, 0.5), transparent);
}

/* ── Process Steps ── */
.process-step {
  position: relative;
}

.process-step::after {
  content: '';
  position: absolute;
  top: 24px;
  right: -24px;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, rgba(79, 209, 197, 0.3), transparent);
}

.process-step:last-child::after {
  display: none;
}

@media (max-width: 1023px) {
  .process-step::after {
    display: none;
  }
}

/* ── Scroll Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s 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; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ── Form Focus Styles ── */
input:focus,
select:focus,
textarea:focus {
  background: rgba(255, 255, 255, 0.08) !important;
}

/* ── Custom Select Arrow ── */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234fd1c5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ── Floating Card Animation ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating {
  animation: float 4s ease-in-out infinite;
}

/* ── Pulse Dot ── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

/* ── Mobile Menu Animation ── */
.menu-line {
  transition: all 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
#menuBtn.active .menu-line:nth-child(2) {
  opacity: 0;
}
#menuBtn.active .menu-line:nth-child(3) {
  width: 24px;
  transform: rotate(-45deg) translate(4px, -4px);
}