/* ============================================================
   MCK Construction Group — Premium Stylesheet (Mobile-Optimized)
   ============================================================ */

/* ── CSS Reset & Custom Properties ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-gold: #F2B705;
  --color-gold-light: #FFCC00;
  --color-gold-dark: #C99504;
  --color-charcoal: #111111;
  --color-dark-bg: #141414;
  --color-card-bg: #1a1a1a;
  --color-off-white: #F5F3EE;
  
  --font-display: 'Bebas Neue', sans-serif;
  --font-condensed: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

/* ── Protection: Prevent Image Dragging & Selection ── */
img {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-charcoal);
  color: var(--color-off-white);
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Noise overlay ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.3;
}

/* ── Typography & Accents ── */
.font-display { font-family: var(--font-display); }
.font-condensed { font-family: var(--font-condensed); }
.font-body { font-family: var(--font-body); }

.text-gold { color: var(--color-gold); }
.text-gold-light { color: var(--color-gold-light); }

.bg-gold { background-color: var(--color-gold); }
.bg-charcoal { background-color: var(--color-charcoal); }

.gold-line {
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-light), var(--color-gold));
}

.section-title {
  font-family: var(--font-display);
  letter-spacing: 0.03em;
  line-height: 1;
}

.section-eyebrow {
  font-family: var(--font-condensed);
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--color-gold);
}

/* ── Buttons ── */
.btn-primary {
  background: var(--color-gold);
  color: #111;
  font-family: var(--font-condensed);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(242,183,5,0.35);
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: 2px;
}

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(242,183,5,0.5);
}

.btn-outline {
  border: 2px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-condensed);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.2s;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  border-radius: 2px;
}

.btn-outline:hover {
  background: var(--color-gold);
  color: #111;
}

/* ── Language Selector ── */
.lang-select {
  background: rgba(26, 26, 26, 0.9);
  color: var(--color-gold);
  border: 1px solid rgba(242, 183, 5, 0.35);
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: 2px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.lang-select:hover, .lang-select:focus {
  border-color: var(--color-gold);
  background: rgba(17, 17, 17, 0.98);
}

.lang-select option {
  background: #111111;
  color: #F5F3EE;
}

/* ── Navigation ── */
#navbar {
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

#navbar.scrolled {
  background: rgba(17, 17, 17, 0.96) !important;
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.8);
}

/* Mobile Menu Drawer Fixed Positioning */
#mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(17, 17, 17, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 2px solid rgba(242, 183, 5, 0.3);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.8);
  z-index: 100;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

#mobile-menu.active {
  display: block !important;
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.hidden-menu {
  display: none !important;
  opacity: 0;
  transform: translateY(-10px);
}

/* ── Hero Section ── */
.hero-bg {
  background-image: linear-gradient(to bottom, rgba(17,17,17,0.65) 0%, rgba(17,17,17,0.92) 100%),
    url('../images/hero-bg.webp');
  background-size: cover;
  background-position: center 30%;
}

.hero-headline {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 0.95;
}

/* ── Cards & Interactive Components ── */
.trust-card {
  border: 1px solid rgba(242,183,5,0.2);
  transition: border-color 0.3s, transform 0.3s;
}

.trust-card:hover {
  border-color: rgba(242,183,5,0.6);
  transform: translateY(-4px);
}

.service-card {
  background: var(--color-card-bg);
  border-top: 3px solid var(--color-gold);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}

/* ── Portfolio & Project Gallery ── */
.portfolio-tab {
  padding: 8px 18px;
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(242, 183, 5, 0.2);
  background: rgba(26, 26, 26, 0.8);
  cursor: pointer;
  transition: all 0.25s ease;
  border-radius: 2px;
}

.portfolio-tab.active, .portfolio-tab:hover {
  color: #111;
  background: var(--color-gold);
  border-color: var(--color-gold);
  box-shadow: 0 4px 16px rgba(242,183,5,0.3);
}

.project-card {
  background: var(--color-card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(242, 183, 5, 0.5);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
}

/* ── Before / After Slider ── */
.ba-slider {
  position: relative;
  overflow: hidden;
  cursor: col-resize;
  user-select: none;
  touch-action: none;
  border-radius: 2px;
}

.ba-after {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.ba-after img, .ba-before img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--color-gold);
  cursor: col-resize;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ba-knob {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-gold);
  border: 3px solid #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(242,183,5,0.3);
  position: relative;
  z-index: 11;
  flex-shrink: 0;
}

/* ── Process Steps ── */
.step-num {
  font-family: var(--font-display);
  font-size: 4.5rem;
  line-height: 1;
  color: rgba(242,183,5,0.15);
  transition: color 0.3s;
}

.process-step:hover .step-num {
  color: rgba(242,183,5,0.5);
}

/* ── Urgency Bar & Floating Mobile CTA ── */
.urgency-bar {
  background: var(--color-gold);
  color: #111;
  font-family: var(--font-condensed);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.float-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 500;
}

.float-cta-btn {
  background: var(--color-gold);
  color: #111;
  padding: 12px 18px;
  border-radius: 50px;
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 0 0 4px rgba(242, 183, 5, 0.3);
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.float-cta-btn:hover {
  background: var(--color-gold-light);
  transform: scale(1.05);
}

/* ── Lightbox Modal ── */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.9);
}

/* ── Reveal Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(242,183,5,0.6); }
  70%  { box-shadow: 0 0 0 12px rgba(242,183,5,0); }
  100% { box-shadow: 0 0 0 0 rgba(242,183,5,0); }
}

.phone-pulse {
  animation: pulse-ring 2.2s infinite;
}

/* Mobile responsive typography and layout fixes */
@media (max-width: 640px) {
  .hero-headline {
    font-size: clamp(2.5rem, 11vw, 4.2rem);
  }
  .section-title {
    font-size: clamp(2.4rem, 9vw, 3.8rem);
  }
  .ba-knob {
    width: 40px;
    height: 40px;
  }
}