/* ============================================
   Chicago Rust — Website Styles
   Brand: Black, Orange (#F26522), White
   Font: Anton (display), Inter (body)
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #000000;
  --dark: #111111;
  --dark-gray: #1a1a1a;
  --mid-gray: #2a2a2a;
  --light-gray: #999999;
  --white: #ffffff;
  --orange: #F26522;
  --orange-dark: #d4551a;
  --orange-light: #ff7b3a;
  --font-display: 'Anton', Impact, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container: 1200px;
  --radius: 8px;
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--orange);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--orange-light);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--black);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--mid-gray);
  transition: background var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo-img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
}
.nav-links a:hover {
  color: var(--orange);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--black);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(242, 101, 34, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(242, 101, 34, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
}

.hero-logo {
  max-width: 350px;
  margin-bottom: 24px;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  color: var(--orange);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--light-gray);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Sections --- */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--dark);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--light-gray);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--dark);
  border: 1px solid var(--mid-gray);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: all var(--transition);
}
.service-card:hover {
  border-color: var(--orange);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.service-card p {
  color: var(--light-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- How It Works --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.step {
  text-align: center;
}

.step-number {
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.step p {
  color: var(--light-gray);
  max-width: 300px;
  margin: 0 auto;
  line-height: 1.7;
}

.benefits-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

.benefit {
  background: var(--mid-gray);
  padding: 12px 24px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* --- Equipment --- */
.equipment-content {
  max-width: 800px;
  margin: 0 auto;
}

.equipment-text h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.equipment-text p {
  color: var(--light-gray);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.equipment-list {
  list-style: none;
  margin-bottom: 24px;
}
.equipment-list li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  color: var(--light-gray);
}
.equipment-list li::before {
  content: '⚡';
  position: absolute;
  left: 0;
}

.equipment-note {
  background: var(--dark);
  border-left: 4px solid var(--orange);
  padding: 16px 20px;
  margin-bottom: 32px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* --- About --- */
.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  color: var(--light-gray);
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-content strong {
  color: var(--orange);
}

/* --- CTA Banner --- */
.cta-banner {
  background: linear-gradient(135deg, var(--orange-dark) 0%, var(--orange) 100%);
  text-align: center;
  padding: 80px 0;
}

.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.cta-banner p {
  font-size: 1.15rem;
  margin-bottom: 32px;
  opacity: 0.95;
}

.cta-banner .btn-primary {
  background: var(--black);
  border-color: var(--black);
}
.cta-banner .btn-primary:hover {
  background: var(--dark);
  border-color: var(--dark);
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-form {
  background: var(--dark-gray);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--mid-gray);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 0.9rem;
}

.optional {
  color: var(--light-gray);
  font-weight: 400;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--dark);
  border: 1px solid var(--mid-gray);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition);
}

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

.form-group select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

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

.contact-info {
  padding-top: 20px;
}

.contact-item {
  margin-bottom: 32px;
}

.contact-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.contact-item p {
  color: var(--light-gray);
  line-height: 1.7;
}

/* --- Footer --- */
.footer {
  background: var(--dark-gray);
  border-top: 1px solid var(--mid-gray);
  padding: 60px 0 40px;
}

.footer-inner {
  text-align: center;
}

.footer-logo {
  height: 60px;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--light-gray);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-links a {
  color: var(--light-gray);
  font-size: 0.9rem;
}
.footer-links a:hover {
  color: var(--orange);
}

.footer-copy {
  color: #555;
  font-size: 0.8rem;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--mid-gray);
  }

  .nav-links.active {
    display: flex;
  }

  .hero-logo {
    max-width: 250px;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }
}