/* Modern Component-Based CSS Architecture */
/* Yellow (#ffba00) used sparingly as accent color */

:root {
  /* Brand Color Palette - Using logo yellow */
  --primary-color: #ffba00; /* Logo yellow */
  --primary-dark: #e6a600; /* Darker yellow */
  --primary-light: #ffcc33; /* Lighter yellow */
  --accent-color: #ffba00; /* Logo yellow */
  --accent-dark: #cc9500; /* Much darker yellow */
  --secondary-color: #000000; /* Pure black */
  --text-primary: #000000; /* Black text */
  --text-secondary: #666666; /* Dark gray */
  --text-light: #999999; /* Light gray */
  --background-primary: #ffffff; /* Pure white */
  --background-secondary: #f8f8f8; /* Very light gray */
  --background-tertiary: #f0f0f0; /* Light gray */
  --background-dark: #000000; /* Black background */
  --border-color: #e0e0e0; /* Light border */
  --border-light: #f0f0f0; /* Very light border */

  /* Modern Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Modern Gradients */
  --gradient-primary: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--primary-dark) 100%
  );
  --gradient-secondary: linear-gradient(
    135deg,
    var(--secondary-color) 0%,
    #333333 100%
  );
  --gradient-accent: linear-gradient(
    135deg,
    var(--accent-color) 0%,
    var(--accent-dark) 100%
  );
  --gradient-dark: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);

  /* Modern Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Modern Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
}

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

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  overflow-x: hidden;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container Component */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Button Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: none;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--secondary-color);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-full);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
}

.btn-secondary:hover {
  background: var(--background-tertiary);
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
}

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

.btn-large {
  padding: 16px 32px;
  font-size: 18px;
}

.btn-full {
  width: 100%;
}

/* Navigation Component */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo .logo-img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle .bar {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Card Components */
.card {
  background: var(--background-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.service-card {
  background: var(--background-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card.featured {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.02);
}

.service-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--background-tertiary);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary-color);
  border: 2px solid var(--border-light);
}

.service-card.featured .service-icon {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border-color: rgba(255, 255, 255, 0.2);
}

.service-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: inherit;
}

.service-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-card.featured .service-description {
  color: rgba(26, 26, 26, 0.8);
}

/* Section Header Component */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 15px 20px;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color 0.3s ease;
  background: var(--background-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Grid Components */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

/* Animation Components */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.6s ease;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.6s ease;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--background-white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-medium);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .section-title {
    font-size: 2rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 16px;
  }

  .service-card {
    padding: 2rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}