/* ============================================
   Hula Concrete Products — Custom Styles
   ============================================ */

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

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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(255, 107, 74, 0.2);
  color: #f6f6f7;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #1a1a1f;
}
::-webkit-scrollbar-thumb {
  background: #3d3d45;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #52525a;
}

/* ============================================
   Navigation
   ============================================ */
#nav {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

#nav.scrolled {
  background: rgba(15, 15, 19, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

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

#mobile-menu.open .mobile-link {
  animation: fadeDown 0.4s ease forwards;
  opacity: 0;
}

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

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Menu toggle animation */
#menu-toggle.active .menu-line:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}
#menu-toggle.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-toggle.active .menu-line:nth-child(3) {
  transform: translateY(-3px) rotate(-45deg);
  width: 24px;
}

/* ============================================
   Hero
   ============================================ */
.hero-label {
  opacity: 0;
  transform: translateY(12px);
  animation: heroReveal 0.8s ease 0.3s forwards;
}

.hero-label .block {
  transform: scaleX(0);
  transform-origin: left;
  animation: lineExpand 0.6s ease 0.5s forwards;
}

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

@keyframes lineExpand {
  to { transform: scaleX(1); }
}

/* ============================================
   Scroll Indicator
   ============================================ */
.scroll-line {
  animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.7; transform: scaleY(1.2); }
}

/* ============================================
   Service Cards
   ============================================ */
.service-card {
  transition: background 0.4s ease;
}

.service-card:hover {
  background: rgba(255, 107, 74, 0.03);
}

/* ============================================
   Gallery
   ============================================ */
.gallery-item {
  position: relative;
}

/* ============================================
   Scroll Reveal (progressive enhancement)
   Only active when JS runs and user prefers motion
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s 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; }
}

/* When JS is disabled, everything stays visible (default state) */
.no-js .reveal,
.js:not(.motion-ok) .reveal {
  opacity: 1;
  transform: none;
}

/* ============================================
   Form
   ============================================ */
input:focus,
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 1px rgba(255, 107, 74, 0.3);
}

#form-success {
  animation: slideIn 0.4s ease forwards;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 767px) {
  .font-serif {
    word-spacing: -0.02em;
  }
}