/* === BASE === */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  overflow-x: hidden;
}

::selection {
  background: #c8a45a;
  color: #0b1a30;
}

/* === NAV === */
#site-header {
  background: transparent;
}

#site-header.scrolled {
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(11, 26, 48, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #c8a45a;
  transition: width 0.3s ease;
}

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

/* Mobile menu */
#mobile-menu.open {
  transform: translateX(0);
}

#mobile-menu .mobile-link {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

.menu-line {
  transition: all 0.3s ease;
}

#menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

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

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

/* === HERO === */
.hero-reveal {
  opacity: 0;
  transform: translateY(30px);
  animation: revealUp 0.8s ease forwards;
}

.hero-reveal:nth-child(1) { animation-delay: 0.1s; }
.hero-reveal:nth-child(2) { animation-delay: 0.2s; }
.hero-reveal:nth-child(3) { animation-delay: 0.3s; }
.hero-reveal:nth-child(4) { animation-delay: 0.4s; }
.hero-reveal:nth-child(5) { animation-delay: 0.5s; }
.hero-reveal:nth-child(6) { animation-delay: 0.6s; }

.hero-image-reveal {
  opacity: 0;
  transform: translateX(40px);
  animation: revealRight 0.9s ease 0.3s forwards;
}

@keyframes revealUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revealRight {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scroll-dot {
  0% { top: 0; opacity: 1; }
  50% { opacity: 0.5; }
  100% { top: 100%; opacity: 0; }
}

/* === SECTION REVEALS === */
.section-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.section-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === SERVICE CARDS === */
.service-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, background 0.4s ease, border-color 0.4s ease;
}

.service-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === GALLERY === */
.gallery-item {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.gallery-item.visible {
  opacity: 1;
  transform: scale(1);
}

/* === ABOUT === */
.about-image-reveal {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-image-reveal.visible {
  opacity: 1;
  transform: translateX(0);
}

/* === SCROLL ANIMATIONS === */
@media (prefers-reduced-motion: no-preference) {
  .scroll-dot {
    animation: scroll-dot 1.5s ease-in-out infinite;
  }
}

/* === RESPONSIVE === */
@media (max-width: 767px) {
  .hero-reveal {
    animation-duration: 0.6s;
  }

  .hero-image-reveal {
    animation-duration: 0.7s;
  }
}