/* ============================================================
   Redvision Engineering Services — Global Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;700;900&display=swap');

/* ── CSS Variables ────────────────────────────────────────── */
:root {
  --bg-dark:      #fcfcfd;      /* Off-white background */
  --bg-card:      #ffffff;      /* Pure white card background */
  --bg-surface:   #f3f4f6;      /* Light gray surface */
  --glass:        rgba(0,0,0,0.03); /* Subtle dark glass for cards */
  --accent:       #e63329;      /* Brand Red */
  --accent-2:     #ff6b35;      /* Brand Orange */
  --accent-soft:  rgba(230,51,41,0.08);
  --text-primary: #0f172a;      /* Deep navy/black for maximum clarity */
  --text-muted:   #374151;      /* Darker gray for readable subtitles */
  --text-dim:     #64748b;      /* Clearer dim text */
  --border:       rgba(0,0,0,0.12); /* More defined borders */
  --shadow:       0 10px 25px rgba(0,0,0,0.08);
  --radius:       14px;
  --radius-sm:    8px;
  --transition:   all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (max-width: 640px) {
  :root {
    --radius: 12px;
    --section-padding: 3.5rem 0;
  }
}

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a  { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }
ul { list-style: none; }

/* ── Animations ───────────────────────────────────────────── */
@keyframes slideUp {
  from { opacity:0; transform:translateY(24px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; }
  to   { opacity:1; }
}
@keyframes pulse-red {
  0%,100% { box-shadow:0 0 0 0 rgba(230,51,41,0.4); }
  50%      { box-shadow:0 0 0 12px rgba(230,51,41,0); }
}
@keyframes float {
  0%,100% { transform:translateY(0); }
  50%      { transform:translateY(-10px); }
}
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Utility Classes ──────────────────────────────────────── */
.container { max-width:1200px; margin:0 auto; padding:0 1.5rem; }
.text-center { text-align:center; }
.text-accent  { color:var(--accent); }
.mt-1  { margin-top:.5rem; }
.mt-2  { margin-top:1rem; }
.mt-3  { margin-top:1.5rem; }
.mb-1  { margin-bottom:.5rem; }
.mb-2  { margin-bottom:1rem; }
.section { padding: var(--section-padding, 5rem 0); }
.section-sm { padding: var(--section-padding, 3rem 0); }
.section-title {
  font-family:'Outfit',sans-serif;
  font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:900;
  margin-bottom:.5rem;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.section-subtitle {
  color:var(--text-muted);
  font-size:1rem;
  margin-bottom:3rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.7rem 1.6rem; border-radius:50px; font-weight:600;
  font-size:.9rem; cursor:pointer; border:none; font-family:inherit;
  transition:var(--transition); text-decoration:none;
}
.btn-primary {
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;
  box-shadow:0 4px 20px rgba(230,51,41,.4);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(230,51,41,.5); color:#fff; }
.btn-outline {
  background:transparent; color:var(--text-primary);
  border:1.5px solid var(--border);
}
.btn-outline:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-soft); }
.btn-sm { padding:.45rem 1rem; font-size:.8rem; }
.btn-danger { background:rgba(239,68,68,.15); color:#f87171; border:1px solid rgba(239,68,68,.3); border-radius:8px; }
.btn-danger:hover { background:rgba(239,68,68,.3); color:#fff; }
.btn-success { background:rgba(34,197,94,.15); color:#4ade80; border:1px solid rgba(34,197,94,.3); border-radius:8px; }
.btn-success:hover { background:rgba(34,197,94,.3); }

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
  position:fixed; top:0; left:0; right:0; z-index:10000;
  padding:1rem 0;
  background: #ffffff !important;
  border-bottom:1px solid rgba(0,0,0,0.1);
  box-shadow: 0 4px 25px rgba(0,0,0,0.1) !important;
  transition:var(--transition);
}
.navbar .container { 
  display: grid; 
  grid-template-columns: 240px 1fr auto; 
  align-items: center; 
}
.nav-links { 
  justify-content: center; 
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  transition: var(--transition);
}
.nav-logo:hover { opacity: 0.9; transform: translateY(-1px); }
.nav-logo img {
  height: 85px;
  width: auto;
  object-fit: contain;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.logo-title .red { color: var(--accent); }
.logo-subtitle {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff !important;
  padding: 0.6rem 1.4rem !important;
  border-radius: 50px !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 15px rgba(230, 51, 41, 0.3);
  margin-left: 0.5rem;
  transition: all 0.3s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 51, 41, 0.4);
  opacity: 1 !important;
}

.nav-links { display:flex; align-items:center; gap:1.25rem; }
.nav-links a { color:#111827 !important; font-size:.9rem; font-weight:700 !important; transition:color .2s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color:var(--accent) !important; }
.nav-links a.btn { color:#fff !important; }

/* Base Hamburger Styles */
.hamburger { display: none; flex-direction:column; gap:6px; cursor:pointer; background:none; border:none; padding:.5rem; z-index: 10001; }
.hamburger span { display:block; width:26px; height:2.5px; background:var(--text-primary); border-radius:2px; transition:var(--transition); transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

@media (max-width: 1200px) {
  .nav-logo img { height: 50px; }
  .logo-title { font-size: 1.1rem; }
  .logo-subtitle { display: none; }
  
  .navbar .container {
    grid-template-columns: 1fr auto;
  }
  
  .nav-links {
    position: fixed; 
    top: 80px; left: 0;
    width: 100%; height: auto;
    max-height: 0;
    overflow: hidden;
    background: #ffffff;
    flex-direction: column; 
    padding: 0;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0;
  }
  .nav-links.open { 
    max-height: calc(100vh - 80px);
    padding: 1rem 0;
    opacity: 1;
    visibility: visible;
    overflow-y: auto;
  }
  .nav-links li { 
    width: 100%; 
    border-bottom: 1px solid rgba(0,0,0,0.04);
  }
  .nav-links a { 
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 1rem; 
    font-weight: 600 !important;
    width: 100%; 
    padding: 1.2rem 2rem; 
    border-radius: 0;
    background: transparent;
    color: var(--text-primary) !important;
    transition: var(--transition);
  }
  .nav-links a:hover, .nav-links a.active { 
    background: var(--accent-soft); 
    color: var(--accent) !important;
    padding-left: 2.5rem;
  }
  .nav-links .dropdown-menu {
    position: static; transform: none; width: 100%;
    box-shadow: none; background: rgba(0,0,0,0.02);
    margin-top: 0; padding: 0.5rem 0;
    display: none;
    border: none;
    border-top: 1px solid rgba(0,0,0,0.03);
  }
  .nav-links .dropdown-menu a {
    padding: 0.9rem 3rem !important;
    font-size: 0.9rem !important;
    font-weight: 500 !important;
  }
  .nav-links .dropdown.open > a {
    background: var(--bg-surface);
    color: var(--accent) !important;
  }
  .hamburger { display: flex; position: relative; z-index: 10001; }
  
  /* Menu Overlay */
  .menu-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px); opacity: 0; visibility: hidden;
    transition: all 0.3s ease; z-index: 9999;
  }
  .menu-overlay.open { opacity: 1; visibility: visible; }
}

/* ── Dropdown Menu ────────────────────────────────────────── */
.dropdown {
  position: relative;
}
.dropdown-menu {
  position: absolute;
  top: calc(100% + 15px);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(15px);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.05);
  padding: 0.8rem 0;
  min-width: 260px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
}
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: #ffffff;
  border-left: 1px solid var(--border);
  border-top: 1px solid var(--border);
  z-index: -1;
}
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown-menu li {
  padding: 0 0.5rem;
  margin: 0;
}
.dropdown-menu a {
  display: flex !important;
  align-items: center;
  padding: 0.8rem 1.2rem !important;
  color: var(--text-primary) !important;
  font-size: 0.92rem !important;
  font-weight: 600 !important;
  border-radius: 10px;
  transition: all 0.2s;
  text-align: left !important;
}
.dropdown-menu a:hover {
  background: var(--accent);
  color: #fff !important;
  transform: translateX(5px);
}

@media (max-width: 1200px) {
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(0,0,0,0.03);
    padding: 0;
    margin-top: 0.5rem;
    border-radius: 10px;
    width: 100%;
    display: none;
  }
  .dropdown-menu::before { display: none; }
  .dropdown.open .dropdown-menu {
    display: block;
  }
  .dropdown-menu a {
    justify-content: flex-start;
    padding: 1rem 2rem !important;
  }
}

/* ── Hero Section ─────────────────────────────────────────── */
.hero {
  min-height:100vh; display:flex; align-items:center;
  position:relative; overflow:hidden; padding-top:80px;
}
.hero-bg {
  position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(230,51,41,.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(255,107,53,.04) 0%, transparent 60%),
    var(--bg-dark);
}
.hero-grid {
  position:absolute; inset:0; z-index:0; opacity:.15;
  background-image:
    linear-gradient(rgba(0,0,0,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.05) 1px, transparent 1px);
  background-size:60px 60px;
}
.hero .container { display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:center; position:relative; z-index:1; }
.hero-badge {
  display:inline-flex; align-items:center; gap:.5rem;
  background:var(--accent-soft); border:1px solid rgba(230,51,41,.3);
  color:var(--accent); border-radius:50px; padding:.35rem 1rem;
  font-size:.8rem; font-weight:600; text-transform:uppercase; letter-spacing:.06em;
  margin-bottom:1.5rem; animation:slideUp .6s ease;
}
.hero-title {
  font-family:'Outfit',sans-serif;
  font-size:clamp(2.4rem,5vw,3.8rem); font-weight:900; line-height:1.1;
  margin-bottom:1.5rem; animation:slideUp .7s ease;
}
.hero-title .highlight {
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-desc { color:var(--text-muted); font-size:1.05rem; margin-bottom:2rem; animation:slideUp .8s ease; }
.hero-cta { display:flex; gap:1rem; flex-wrap:wrap; animation:slideUp .9s ease; }
.hero-stats { display:flex; gap:2rem; margin-top:2.5rem; animation:slideUp 1s ease; }
.stat { text-align:center; }
.stat-num { font-family:'Outfit',sans-serif; font-size:clamp(1.4rem, 4vw, 1.8rem); font-weight:900; color:var(--accent); }
.stat-label { font-size:.7rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.05em; }
.hero-visual { display:flex; align-items:center; justify-content:center; animation:slideUp .6s ease; }
.hero-visual .visual-card {
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:24px; padding:2rem;
  backdrop-filter:blur(20px);
  width:100%; max-width:380px;
  box-shadow:var(--shadow);
  animation:float 4s ease-in-out infinite;
}
.service-icons-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap:1rem; }
.svc-icon-card {
  background:rgba(255,255,255,0.7); border:1px solid var(--border);
  border-radius:14px; padding:1.2rem .8rem; text-align:center;
  transition:var(--transition); box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.svc-icon-card:active { transform: scale(0.96); background: var(--accent-soft); }
.svc-icon-card .icon { font-size:1.8rem; margin-bottom:.5rem; }
.svc-icon-card p { font-size:.75rem; font-weight:700; color:var(--text-primary); line-height: 1.3; }

/* ── Service Cards ────────────────────────────────────────── */
.services-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:1.5rem; }
.service-card {
  background:var(--glass); border:1px solid var(--border); border-radius:var(--radius);
  padding:2rem; position:relative; overflow:hidden;
  transition:var(--transition); cursor:default;
  animation:slideUp .5s ease both;
}
.service-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transform:scaleX(0); transform-origin:left; transition:transform .3s ease;
}
.service-card:hover { 
  transform: translateY(-8px) scale(1.03); 
  border-color: rgba(230,51,41,.25); 
  background: var(--bg-card); 
  box-shadow: 0 20px 40px rgba(0,0,0,0.12); 
}
.service-card:hover::before { transform:scaleX(1); }
.card-icon { 
  font-size: 2.8rem; 
  margin-bottom: 1rem; 
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.service-card:hover .card-icon { transform: scale(1.1); }
.card-icon img { transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.service-card:hover .card-icon img { transform: scale(1.22) rotate(3deg); }
.card-title { font-size:1.2rem; font-weight:700; margin-bottom:.7rem; color:var(--text-primary); transition: color 0.3s; }
.service-card:hover .card-title { color: var(--accent); }
.card-desc { color:var(--text-muted); font-size:.9rem; line-height:1.7; }
.card-features { margin-top:1.2rem; }
.card-features li {
  font-size:.85rem; color:var(--text-muted); padding:.3rem 0;
  border-top:1px solid var(--border); display:flex; align-items:center; gap:.5rem;
}
.card-features li::before { content:'✓'; color:var(--accent); font-weight:700; }

/* ── Gallery Grid ─────────────────────────────────────────── */
.gallery-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:1.2rem; }

/* ── Carousel System ──────────────────────────────────────── */
.carousel-container {
  position: relative;
  width: 100%;
  margin: 0 auto;
}
.carousel-track-viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  display: flex;
  gap: 1.5rem;
  padding: 1rem 0 2rem;
  scrollbar-width: none; /* Firefox */
}
.carousel-track-viewport::-webkit-scrollbar { display: none; } /* Chrome/Safari */

.carousel-item {
  flex: 0 0 calc(33.333% - 1rem); /* 3 items on desktop */
  scroll-snap-align: center;
  min-width: 300px;
}
@media (max-width: 1024px) { .carousel-item { flex: 0 0 calc(50% - 0.75rem); } }
@media (max-width: 640px) { .carousel-item { flex: 0 0 85%; } }

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  padding: 0 1rem;
  z-index: 10;
}
.carousel-btn {
  width: 50px;
  height: 50px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  transition: var(--transition);
  font-size: 1.2rem;
  color: var(--text-primary);
}
.carousel-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: scale(1.1);
}
.carousel-btn:active { transform: scale(0.95); }

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.dot {
  width: 8px;
  height: 8px;
  background: var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}
.dot.active {
  background: var(--accent);
  width: 24px;
  border-radius: 10px;
}

.gallery-item {
  border-radius:var(--radius); overflow:hidden; position:relative;
  aspect-ratio:4/3; cursor:pointer;
  border:1px solid var(--border); transition:var(--transition);
}
.gallery-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.gallery-item img { width:100%; height:100%; object-fit:cover; transition: transform 0.7s cubic-bezier(0.2, 1, 0.3, 1); }
.gallery-item:hover img { transform: scale(1.15); }
.gallery-overlay {
  position:absolute; inset:0; background:linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
  opacity:0; transition:var(--transition); display:flex; flex-direction:column;
  justify-content:flex-end; padding:1.2rem;
}
.gallery-item:hover .gallery-overlay { opacity:1; }
.gallery-overlay h4 { font-size:.95rem; font-weight:800; color:#fff; }
.gallery-overlay p  { font-size:.78rem; color:rgba(255,255,255,0.9); margin-top:.2rem; font-weight:400; }
.category-badge {
  position:absolute; top:.8rem; left:.8rem;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff; font-size:.68rem; font-weight:700; text-transform:uppercase;
  letter-spacing:.06em; padding:.25rem .65rem; border-radius:50px;
}
.empty-gallery { text-align:center; color:var(--text-muted); padding:4rem 0; }
.empty-gallery .icon { font-size:4rem; margin-bottom:1rem; }

/* ── Contact Section ──────────────────────────────────────── */
.contact-grid { display:grid; grid-template-columns:1fr 1.4fr; gap:3rem; align-items:start; }
.contact-info h3 { font-size:1.3rem; font-weight:700; margin-bottom:1rem; }
.contact-item { display:flex; gap:1rem; margin-bottom:1.5rem; align-items:flex-start; }
.contact-icon { font-size:1.4rem; margin-top:.1rem; }
.contact-item h4 { font-size:.9rem; font-weight:600; margin-bottom:.2rem; }
.contact-item p  { font-size:.85rem; color:var(--text-muted); }
.contact-form-card {
  background:var(--glass); border:1px solid var(--border);
  border-radius:var(--radius); padding:2rem;
  backdrop-filter:blur(16px);
}

/* ── Map Section ──────────────────────────────────────────── */
.map-section {
  padding: 4rem 0 0;
  background: var(--bg-dark);
}
.map-container {
  width: 100%;
  height: 450px;
  background: var(--bg-surface);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  filter: grayscale(0.2);
  transition: var(--transition);
}
.map-container:hover {
  filter: grayscale(0);
}
.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}
@media (max-width: 768px) {
  .map-container { height: 350px; }
}
.form-group { margin-bottom:1.2rem; }
.form-group label { display:block; font-size:.8rem; font-weight:600; color:var(--text-muted);
  text-transform:uppercase; letter-spacing:.05em; margin-bottom:.45rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width:100%; padding:.8rem 1rem;
  background:var(--bg-card); border:1.5px solid var(--border);
  border-radius:10px; color:var(--text-primary); font-size:.9rem;
  font-family:inherit; transition:all .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-soft); }
.form-group select option { background:var(--bg-card); }
.form-group textarea { resize:vertical; min-height:120px; }

/* ── Field Validation States ──────────────────────────────── */
.form-group input.is-valid,
.form-group select.is-valid,
.form-group textarea.is-valid {
  border-color: #22c55e !important;
  box-shadow: 0 0 0 3px rgba(34,197,94,.15) !important;
}
.form-group input.is-invalid,
.form-group select.is-invalid,
.form-group textarea.is-invalid {
  border-color: #ef4444 !important;
  box-shadow: 0 0 0 3px rgba(239,68,68,.15) !important;
  background: rgba(239,68,68,.03);
}
.field-error-msg {
  display: none;
  font-size: 0.75rem;
  color: #ef4444;
  margin-top: 0.35rem;
  font-weight: 600;
  padding-left: 0.2rem;
}
.field-error-msg.visible { display: block; }
.field-valid-icon, .field-invalid-icon {
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
}
.field-valid-icon   { color: #22c55e; }
.field-invalid-icon { color: #ef4444; }
.form-group.has-valid   .field-valid-icon   { opacity: 1; }
.form-group.has-invalid .field-invalid-icon { opacity: 1; }
.form-group { position: relative; }
.form-group .input-wrap { position: relative; }
/* Shake animation on failed submit */
@keyframes formShake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-8px); }
  40%     { transform: translateX(8px); }
  60%     { transform: translateX(-5px); }
  80%     { transform: translateX(5px); }
}
.shake { animation: formShake 0.4s ease; }
/* Character counter */
.char-count {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: right;
  margin-top: 0.3rem;
}
.char-count.warn { color: #f59e0b; }
.char-count.over { color: #ef4444; font-weight: 700; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form-success {
  background:rgba(34,197,94,.12); border:1px solid rgba(34,197,94,.3);
  color:#4ade80; border-radius:10px; padding:1rem; text-align:center;
  font-size:.9rem; margin-bottom:1rem;
}
.form-error {
  background:rgba(239,68,68,.12); border:1px solid rgba(239,68,68,.3);
  color:#f87171; border-radius:10px; padding:1rem; text-align:center;
  font-size:.9rem; margin-bottom:1rem;
}

/* ── Specific Zoom Effects ── */
.product-card img, 
.promo-card img,
.activity-card img {
    transition: transform 0.7s cubic-bezier(0.2, 1, 0.3, 1) !important;
}

.product-card:hover img,
.promo-card:hover img,
.activity-card:hover img {
    transform: scale(1.12);
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background:var(--bg-card); border-top:1px solid var(--border);
  padding:3rem 0 1.5rem;
}
.footer-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr; gap:2.5rem; margin-bottom:2.5rem; }
.footer-brand .nav-logo { margin-bottom:1rem; }
.footer-desc { color:var(--text-muted); font-size:.85rem; line-height:1.7; }
.footer-col h4 { font-size:.85rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em;
  color:var(--text-muted); margin-bottom:1rem; }
.footer-links li { margin-bottom:.5rem; }
.footer-links a { color:var(--text-muted); font-size:.88rem; transition:color .2s; }
.footer-links a:hover { color:var(--accent); }
.footer-bottom {
  border-top:1px solid var(--border); padding-top:1.5rem;
  display:flex; justify-content:space-between; align-items:center;
  font-size:.8rem; color:var(--text-dim); flex-wrap:wrap; gap:.5rem;
}

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox {
  position:fixed; inset:0; z-index:9999; background:rgba(0,0,0,.9);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:opacity .3s;
  backdrop-filter:blur(6px);
}
.lightbox.open { opacity:1; pointer-events:all; }
.lightbox img { max-width:90vw; max-height:85vh; border-radius:12px; box-shadow:var(--shadow); }
.lightbox-close {
  position:absolute; top:1.5rem; right:1.5rem;
  background:rgba(255,255,255,.1); border:none; color:#fff;
  font-size:1.5rem; width:44px; height:44px; border-radius:50%;
  cursor:pointer; display:flex; align-items:center; justify-content:center;
  transition:background .2s;
}
.lightbox-close:hover { background:var(--accent); }

/* ── Social Icons ────────────────────────────────────────── */
.social-links-grid { display:flex; gap:.75rem; margin-top:1rem; }
.social-icon-btn {
  width:40px; height:40px; border-radius:10px;
  background:var(--bg-surface); border:1.5px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text-primary); transition:var(--transition);
  text-decoration:none;
}
.social-icon-btn:hover {
  background:var(--accent); border-color:var(--accent); color:#fff;
  transform:translateY(-3px); box-shadow:0 6px 15px rgba(230,51,41,0.2);
}
.social-icon-btn.whatsapp:hover  { background:#25d366; border-color:#25d366; box-shadow:0 6px 15px rgba(37,211,102,0.2); }
.social-icon-btn.facebook:hover  { background:#1877f2; border-color:#1877f2; box-shadow:0 6px 15px rgba(24,119,242,0.2); }
.social-icon-btn.instagram:hover { background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); border-color:transparent; }

/* ── Floating WhatsApp ────────────────────────────────────── */
.whatsapp-float {
  position:fixed; bottom:2rem; left:2rem; z-index:500;
  width:60px; height:60px; background:#25d366;
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:2.2rem; box-shadow:0 10px 25px rgba(37,211,102,.4);
  transition:var(--transition); text-decoration:none;
}
.whatsapp-float:hover { transform:translateY(-5px); box-shadow:0 15px 35px rgba(37,211,102,.5); color:#fff; }

/* ── Scroll to top (repositioned to not conflict) ────────── */
.scroll-top {
  position:fixed; bottom:2rem; right:2rem; z-index:500;
  width:50px; height:50px; background:linear-gradient(135deg,var(--accent),var(--accent-2));
  border:none; border-radius:50%; color:#fff; font-size:1.1rem; cursor:pointer;
  box-shadow:0 4px 20px rgba(230,51,41,.5); transition:var(--transition);
  opacity:0; pointer-events:none; display:flex; align-items:center; justify-content:center;
  animation:pulse-red 2s infinite;
}
.scroll-top.visible { opacity:1; pointer-events:all; }
.scroll-top:hover { transform:translateY(-3px); }

@media (max-width: 640px) {
  .scroll-top { bottom: 7.5rem; } /* Offset for chat widget on mobile */
}

/* ── Responsive ───────────────────────────────────────────── */
/* ── Responsive Refinements ───────────────────────────────── */
@media (max-width:1024px) {
  .hero .container { gap: 2rem; }
  .contact-grid { gap: 2rem; }
}

@media (max-width:900px) {
  .hero { padding-top: 60px; min-height: auto; padding-bottom: 2rem; }
  .hero .container { grid-template-columns:1fr; text-align:center; gap:2rem; }
  .hero-badge { margin: 0 auto 1rem; }
  .hero-cta { justify-content:center; }
  .hero-stats { justify-content:center; gap: 1rem; }
  .hero-visual { order: -1; margin-bottom: 0; }
  .hero-visual .visual-card { max-width: 100%; animation: none; padding: 1rem; box-shadow: none; border: none; background: none; backdrop-filter: none; }
  .service-icons-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width:640px) {
  .container { padding: 0 1rem; }
  .section { padding: 3rem 0; }
  .section-title { font-size: 1.8rem; letter-spacing: -0.01em; }
  .section-subtitle { margin-bottom: 2rem; }
  .hero-title { font-size: 2.2rem; margin-bottom: 1rem; }
  .hero-desc { font-size: 0.95rem; margin-bottom: 1.5rem; }
  .hero-cta { flex-direction: column; gap: 0.75rem; }
  .hero-cta .btn { width: 100%; justify-content: center; padding: 0.9rem; }
  .hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; width: 100%; margin-top: 2rem; }
  .stat { background: var(--bg-card); padding: 1rem; border-radius: 12px; border: 1px solid var(--border); }
  
  .services-grid { grid-template-columns: 1fr; gap: 1rem; }
  .service-card { padding: 1.5rem; }
  .gallery-grid { grid-template-columns: 1fr; gap: 1rem; }
  
  /* Form Optimizations */
  .form-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .contact-form-card { padding: 1.2rem; }
  
  .footer { padding: 3rem 0 2rem; }
  .footer-grid { text-align: center; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; }
  
  .whatsapp-float { width: 48px; height: 48px; bottom: 1rem; left: 1rem; font-size: 1.6rem; }
  .scroll-top { width: 48px; height: 48px; bottom: 1rem; right: 1rem; }
  
  .lightbox img { border-radius: 0; max-height: 70vh; }
}

/* ── Professional Live Chat Widget ────────────────────────── */
.chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  font-family: 'Inter', sans-serif;
}
.chat-bubble {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(230,51,41,0.3);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
}
.chat-bubble:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 35px rgba(230,51,41,0.4);
}
.chat-bubble .pulse {
  position: absolute;
  inset: -4px;
  border: 2px solid var(--accent);
  border-radius: 22px;
  animation: chatPulse 2s infinite;
}
@keyframes chatPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.2); opacity: 0; }
}
.chat-window {
  position: absolute;
  bottom: 85px;
  right: 0;
  width: 380px;
  height: 600px;
  max-height: calc(100vh - 120px);
  background: #ffffff;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px) scale(0.95);
  transform-origin: bottom right;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(0,0,0,0.05);
}
@media (max-width: 480px) {
  .chat-widget { bottom: 1.5rem; right: 1.5rem; }
  .chat-window {
    width: calc(100vw - 3rem);
    height: 80vh;
    bottom: 80px;
    right: 0;
  }
}
.chat-window.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.chat-header {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  padding: 1.8rem 1.5rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  position: relative;
}
.chat-header .avatar {
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  border: 1px solid rgba(255,255,255,0.3);
  position: relative;
}
.chat-header .status-dot {
  width: 12px;
  height: 12px;
  background: #10b981;
  border-radius: 50%;
  border: 2px solid var(--accent);
  position: absolute;
  bottom: -2px;
  right: -2px;
  box-shadow: 0 0 0 2px rgba(16,185,129,0.2);
}

.chat-messages {
  flex: 1;
  padding: 1.5rem;
  overflow-y: auto;
  background: #fdfdfd;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  scrollbar-width: thin;
}
.msg {
  max-width: 82%;
  padding: 1rem 1.2rem;
  border-radius: 18px;
  font-size: 0.92rem;
  line-height: 1.6;
  position: relative;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.msg-bot {
  align-self: flex-start;
  background: #f1f5f9;
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}
.msg-user {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-options {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1rem;
}
.chat-opt {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chat-opt:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: #fff;
  transform: translateX(5px);
}
.chat-opt::after { content: '→'; opacity: 0.5; }

.chat-input-area {
  padding: 1.2rem;
  background: #fff;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 0.8rem;
  align-items: center;
}
.chat-input-area input {
  flex: 1;
  border: 1px solid var(--border);
  padding: 0.8rem 1.2rem;
  border-radius: 14px;
  outline: none;
  font-size: 0.95rem;
  background: #f8fafc;
  transition: all 0.2s;
}
.chat-input-area input:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(230,51,41,0.05);
}

.chat-btn-send {
  width: 44px;
  height: 44px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all 0.3s;
}
.chat-btn-send:hover {
  transform: rotate(-10deg) scale(1.1);
  background: var(--accent-2);
}

@media (max-width: 480px) {
  .chat-widget { bottom: 1rem; right: 1rem; }
  .chat-window {
    width: calc(100vw - 2rem);
    height: 75vh;
    bottom: 80px;
  }
}

.btn-clear-cart:hover {
    background: var(--accent) !important;
    color: #fff !important;
}