/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; -webkit-font-smoothing: antialiased; }

/* ===== NAV ===== */
#nav {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
#nav.scrolled {
  background: rgba(15, 15, 15, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
#nav.scrolled .nav-link { color: rgba(255,255,255,0.85); }
#nav.scrolled .nav-link:hover { color: #fff; }

/* ===== MOBILE MENU ===== */
.mobile-link { transition: opacity 0.2s; }
#mobile-menu.open { opacity: 1; pointer-events: all; }
#mobile-menu.closed { opacity: 0; pointer-events: none; }
.menu-line { transition: transform 0.3s ease, opacity 0.3s ease; }
#menu-btn.active .menu-line:nth-child(1) { transform: translateY(6px) rotate(45deg); }
#menu-btn.active .menu-line:nth-child(2) { opacity: 0; }
#menu-btn.active .menu-line:nth-child(3) { transform: translateY(-6px) rotate(-45deg); width: 20px; }

/* ===== HERO ===== */
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 8s ease;
}
.hero-bg:hover .hero-img { transform: scale(1.08); }
.hero-headline {
  text-shadow: 0 2px 40px rgba(0,0,0,0.5);
}

/* ===== CTA BUTTONS ===== */
.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ===== GEOMETRIC SHAPES ===== */
.geo {
  position: absolute;
  pointer-events: none;
  will-change: transform;
}
.geo-1, .geo-3, .geo-5 {
  animation: float 6s ease-in-out infinite;
}
.geo-2, .geo-4 {
  animation: float 8s ease-in-out infinite;
  animation-delay: 1s;
}
.geo-12, .geo-13, .geo-15, .geo-17 {
  animation: float 7s ease-in-out infinite;
}
.geo-16, .geo-18, .geo-19 {
  animation: pulse-slow 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}
@keyframes float-delayed {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50% { transform: translateY(-16px) rotate(50deg); }
}
@keyframes pulse-slow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* ===== SCROLL REVEAL ===== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up { transform: translateY(30px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1;
  transform: none;
}

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

/* ===== CARD TILT ===== */
.card-tilt {
  transform: translateY(0);
  will-change: transform;
}

/* ===== SCROLL INDICATOR ===== */
.scroll-indicator {
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ===== FORM ===== */
#contact-form input:focus,
#contact-form textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(192, 96, 58, 0.15);
}