/* Motor Sport Racing — Adrenaline Red Style */
/* High-octane racing aesthetic: aggressive red, pitch black, electric accents */
/* Self-contained CSS, no external dependencies */

:root {
  --primary: #d32f2f;
  --primary-dark: #b71c1c;
  --secondary: #1a1a1a;
  --accent: #ff6b6b;
  --accent-bright: #ff9800;
  --light: #f5f5f5;
  --gray-100: #fafafa;
  --gray-200: #f0f0f0;
  --gray-300: #e0e0e0;
  --gray-400: #bdbdbd;
  --gray-500: #9e9e9e;
  --gray-600: #616161;
  --gray-700: #424242;
  --white: #ffffff;
  --success: #4caf50;
  --danger: #ff5252;
  --warning: #ff6b6b;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
}

.demo-bar {
  background-color: var(--secondary);
  color: var(--white);
  padding: var(--spacing-sm);
  text-align: center;
  font-size: 0.875rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.demo-bar a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.demo-bar a:hover {
  color: var(--accent-bright);
}

/* Header & Navigation */
header {
  background-color: var(--white);
  border-bottom: 3px solid var(--primary);
  position: sticky;
  top: 30px;
  z-index: 100;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--accent-bright);
}

.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 4px;
}

.logo-icon svg {
  color: var(--white);
}

/* Mobile menu toggle */
#nav-toggle {
  display: none;
}

.nav-burger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-burger span {
  width: 22px;
  height: 2px;
  background-color: var(--secondary);
  transition: 0.3s;
}

#nav-toggle:checked ~ .nav-burger span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

#nav-toggle:checked ~ .nav-burger span:nth-child(2) {
  opacity: 0;
}

#nav-toggle:checked ~ .nav-burger span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

#nav-toggle:checked ~ nav {
  display: flex;
}

nav {
  display: flex;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width 0.3s;
}

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

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

.nav-cta a {
  background-color: var(--primary);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 3px;
  transition: all 0.3s;
}

.nav-cta a:hover {
  background-color: var(--accent);
  color: var(--white);
}

.nav-cta a::after {
  display: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-lg);
  border-radius: 3px;
  text-decoration: none;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--secondary) 100%);
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-bright) 0%, transparent 70%);
  opacity: 0.1;
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 600px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  line-height: 1.5;
}

.hero .btn {
  margin-right: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* Sections */
section {
  padding: var(--spacing-2xl) var(--spacing-md);
}

section h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
  color: var(--secondary);
  text-align: center;
  position: relative;
}

section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent-bright));
  margin: var(--spacing-md) auto 0;
}

/* Features Grid */
.features {
  background-color: var(--gray-100);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 5px;
  border-left: 4px solid var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s;
}

.feature-card:hover {
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.15);
  transform: translateY(-4px);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--secondary);
}

.feature-card p {
  color: var(--gray-600);
  line-height: 1.6;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.gallery-item {
  background-color: var(--gray-200);
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  position: relative;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: var(--gray-600);
}

.gallery-item:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.2);
}

.gallery-item.img1 {
  background: linear-gradient(135deg, #d32f2f 0%, #ff6b6b 100%);
  color: var(--white);
}

.gallery-item.img2 {
  background: linear-gradient(135deg, #1a1a1a 0%, #424242 100%);
  color: var(--white);
}

.gallery-item.img3 {
  background: linear-gradient(135deg, #ff9800 0%, #ffb74d 100%);
  color: var(--white);
}

.gallery-item.img4 {
  background: linear-gradient(135deg, #d32f2f 0%, #1a1a1a 100%);
  color: var(--white);
}

.gallery-item.img5 {
  background: linear-gradient(135deg, #424242 0%, #757575 100%);
  color: var(--white);
}

.gallery-item.img6 {
  background: linear-gradient(135deg, #ff6b6b 0%, #ff9800 100%);
  color: var(--white);
}

/* Testimonial Cards */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.testimonial-card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-top: 3px solid var(--primary);
}

.testimonial-card:hover {
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.15);
}

.testimonial-rating {
  color: var(--accent-bright);
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 1px;
}

.testimonial-text {
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--secondary);
}

.testimonial-title {
  color: var(--gray-500);
  font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--gray-700) 100%);
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-md);
}

.cta-box {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-box h2 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.cta-box h2::after {
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
}

.cta-box p {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-buttons .btn {
  flex: 1;
  min-width: 180px;
}

/* Form Styles */
form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--secondary);
}

input,
textarea,
select {
  padding: var(--spacing-sm);
  border: 1px solid var(--gray-300);
  border-radius: 3px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

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

.form-submit {
  background-color: var(--primary);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
}

.form-submit:hover {
  background-color: var(--accent-bright);
  transform: translateY(-2px);
}

/* Footer */
footer {
  background-color: var(--secondary);
  color: var(--white);
  padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  color: var(--accent);
}

.footer-section p {
  opacity: 0.9;
  line-height: 1.7;
}

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

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-burger {
    display: flex;
  }

  nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--white);
    padding: var(--spacing-md);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 99;
  }

  #nav-toggle:checked ~ nav {
    display: flex;
  }

  nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
  }

  nav a {
    width: 100%;
    padding: var(--spacing-sm) 0;
  }

  .nav-cta {
    width: 100%;
  }

  .nav-cta a {
    width: 100%;
  }

  header {
    top: 0;
  }

  .demo-bar {
    position: relative;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  section h2 {
    font-size: 1.75rem;
  }

  .hero .btn {
    display: block;
    margin-bottom: var(--spacing-sm);
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    min-width: auto;
  }

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

  .gallery-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  section h2 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

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

  .logo {
    font-size: 1rem;
  }

  nav a {
    font-size: 0.9rem;
  }

  .btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
  }
}