:root {
  --color-primary: #57727f;
  --color-secondary: #ff2800;
  --color-accent: #ff2800;
  --color-background: #fff;
  --color-surface: #f9f9f9;
  --color-text: #333;
  --color-text-muted: #777;

  --font-heading: sans-serif;
  --font-body: sans-serif;

  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;

  --border-radius: 4px;

  --shadow-card: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
figure,
figcaption,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.5;
}

img {
  max-width: 100%;
  display: block;
}

input,
button,
textarea,
select {
  font: inherit;
}

/* General Styles */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header/Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-card);
  z-index: 10;
  padding: 1rem 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: bold;
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text);
}

.nav-cta {
  background-color: var(--color-accent);
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
}

/* Hero */
.hero {
  min-height: 90vh;
  background-color: var(--color-primary);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
}

.hero-headline {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}

.hero-sub {
  opacity: 0.85;
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.btn-primary {
  background-color: var(--color-accent);
  color: white;
  padding: 1rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  display: inline-block;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Card */
.card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
}

/* Stats Strip */
.stats-strip {
  background-color: #333;
  color: white;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  padding: 3rem 0;
  text-align: center;
}

/* Section */
.section {
  padding: 5rem 0;
}

/* About Grid */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 2rem;
}

/* Testimonials */
.testimonials {
  background-color: var(--color-surface);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form label {
  font-weight: 600;
  margin-bottom: 0.25rem;
  display: block;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  border: 1px solid #ccc;
  padding: 0.75rem;
  border-radius: var(--border-radius);
  width: 100%;
}

/* Footer */
footer {
  background-color: #333;
  color: white;
  padding: 3rem 0;
}

footer .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

  .about-grid {
    grid-template-columns: 1fr;
  }

  footer .container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block; /* Implement hamburger menu styling here */
    cursor: pointer;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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