/* ===== Base & Utilities ===== */
*, *::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;
}

/* ===== Buttons ===== */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #d4a017 0%, #e9a818 100%);
  color: #0a1a2e;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(212, 160, 23, 0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 160, 23, 0.4);
  background: linear-gradient(135deg, #e9a818 0%, #f2bf35 100%);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 9999px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-outline-light:hover {
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ===== Navbar ===== */
#navbar {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #d4a017;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ===== Mobile Menu ===== */
#mobile-menu.open {
  opacity: 1 !important;
  pointer-events: all !important;
}

.menu-line {
  display: block;
}

.menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
}

.menu-btn.active .menu-line:nth-child(3) {
  width: 1.5rem;
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-link {
  position: relative;
}

/* ===== Geometric Shapes ===== */
.geo-shape {
  will-change: transform;
}

.circle-1 {
  animation: float 8s ease-in-out infinite;
}

.circle-2 {
  animation: float 6s ease-in-out infinite reverse;
}

.circle-3 {
  animation: float 10s ease-in-out infinite;
}

.triangle {
  animation: float 7s ease-in-out infinite;
}

.square {
  animation: spin-slow 20s linear infinite;
}

.diamond {
  animation: float 5s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(var(--rotation, 0deg)); }
  50% { transform: translateY(-20px) rotate(var(--rotation, 0deg)); }
}

@keyframes spin-slow {
  from { transform: rotate(45deg); }
  to { transform: rotate(405deg); }
}

/* ===== Service Cards ===== */
.service-card {
  background: white;
  border-radius: 1.5rem;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(10, 26, 46, 0.08);
  transition: all 0.4s ease;
  border: 1px solid rgba(10, 26, 46, 0.05);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(10, 26, 46, 0.15);
}

/* ===== Scroll Reveal ===== */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

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

/* ===== Back to Top ===== */
.back-to-top {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-3px);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .geo-shape {
    display: none;
  }
  
  #hero h1 {
    font-size: 2.5rem;
  }
  
  #hero h1 span {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  #hero h1 {
    font-size: 2rem;
  }
  
  #hero h1 span {
    font-size: 1.75rem;
  }
}