/* ===== Base & Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: 'Outfit', sans-serif;
  background-color: #0a0f1e;
  color: #ffffff;
}

::selection {
  background: rgba(45, 212, 164, 0.3);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0a0f1e;
}
::-webkit-scrollbar-thumb {
  background: #1e3560;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #2dd4a4;
}

/* ===== Scroll Animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.delay-5 { transition-delay: 0.5s; }

/* ===== Navbar ===== */
#navbar {
  transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
  background-color: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* ===== Mobile Menu ===== */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.open .mobile-link {
  animation: fadeDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

#mobileMenu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Menu Button ===== */
.menu-line {
  transition: transform 0.3s ease, opacity 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) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 20px;
}

/* ===== Scroll Indicator ===== */
@keyframes scrollDown {
  0% { top: -16px; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { top: 48px; opacity: 0; }
}

.animate-scroll-down {
  animation: scrollDown 1.6s ease-in-out infinite;
}

/* ===== Service Cards ===== */
.service-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.service-card:hover {
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(45, 212, 164, 0.1);
}

/* ===== Gallery ===== */
.gallery-item {
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover {
  transform: scale(1.02);
}

/* ===== Testimonials ===== */
.testimonial-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ===== Floating Shapes ===== */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(12deg); }
  50% { transform: translateY(-20px) rotate(12deg); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(0deg); }
}

.floating-shape {
  animation: float 6s ease-in-out infinite;
}

.floating-shape-slow {
  animation: floatSlow 8s ease-in-out infinite;
}

/* ===== Geometric Accents ===== */
.geo-triangle {
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 20px 34px 20px;
  border-color: transparent transparent rgba(45, 212, 164, 0.15) transparent;
}

/* ===== Input Focus States ===== */
input:focus, select:focus, textarea:focus {
  border-color: rgba(45, 212, 164, 0.5) !important;
  box-shadow: 0 0 0 3px rgba(45, 212, 164, 0.1) !important;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
  .hero-title {
    font-size: 2.75rem !important;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-title {
    font-size: 3.5rem !important;
  }
}

/* ===== Selection highlight for form ===== */
select option {
  background: #0d1528;
  color: #ffffff;
}