/* Main Styles for L.K. Group Website */

/* Base Styles */
:root {
  --primary: #0F172A; /* Deep Navy */
  --primary-dark: #020617;
  --primary-light: #334155;
  --secondary: #1E293B; /* Slate Gray */
  --accent: #DC2626; /* Crimson Red */
  --accent-dark: #B91C1C;
  --background: #F8FAFC; /* Light Background */
  --white: #ffffff;
  --text-dark: #1E293B; /* Dark text */
  --text-light: #64748B; /* Light text */
  --gray-50: #f9fafb;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --gray-950: #020617;
  
  /* Animation Variables */
  --transition-speed: 0.3s;
  --reveal-distance: 30px;
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  background-color: var(--background);
  color: var(--text-dark);
  font-size: 1.125rem;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

/* Fixed Header */
.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all var(--transition-speed);
}

.fixed-header.scrolled {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

/* Desktop Navigation */
.desktop-nav ul {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--transition-speed);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-speed);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--primary);
  transition: all var(--transition-speed);
}

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.mobile-nav ul {
  list-style: none;
}

.mobile-nav a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: background-color var(--transition-speed);
}

.mobile-nav a:hover, .mobile-nav a.active {
  background-color: var(--gray-100);
  color: var(--accent);
}

/* Hero Section */
.hero-section {
  padding-top: 120px;
  padding-bottom: 80px;
  background-color: var(--primary);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  background-color: var(--primary);
  color: var(--white);
  padding: 8rem 0;
  text-align: center;
}

.hero h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 6px rgba(245, 158, 11, 0.1);
}

.btn-primary:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 8px rgba(245, 158, 11, 0.15);
}

.btn-outline {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background-color: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background-color: var(--white);
  border-radius: 0.5rem;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-body {
  padding: 1.5rem;
}

/* Forms */
.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-col h3 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: var(--gray-300);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-col a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--white);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--accent);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  margin-top: 3rem;
  border-top: 1px solid var(--primary-light);
  color: var(--gray-400);
}

/* Animation Classes */
.reveal-fade {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-fade.active {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal delays */
.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; }

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .section {
    padding: 3rem 0;
  }
  
  .hero {
    padding: 6rem 0;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-nav {
    display: none;
  }
  
  .mobile-nav.active {
    display: block;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}