/* css/main.css */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--color-background);
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

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

/* Header */
.main-header {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-nav {
  display: none;
}

.mobile-nav-toggle {
  display: block;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  width: 24px;
  height: 24px;
  position: relative;
  z-index: 1000;
}

.hamburger-icon {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  transition: background-color 0.2s ease-in-out;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  left: 0;
  transition: transform 0.3s ease-in-out;
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  bottom: -8px;
}

/* Mobile Nav Open State */
.nav-open .main-nav {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: var(--color-background);
  padding: var(--space-4xl) var(--space-lg);
  z-index: 999;
}

.nav-open .nav-links {
  list-style: none;
  padding: 0;
  margin: auto 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.nav-open .nav-links a {
  font-size: var(--font-size-2xl);
}

.nav-open .hamburger-icon {
  background-color: transparent;
}

.nav-open .hamburger-icon::before {
  transform: translateY(8px) rotate(45deg);
}

.nav-open .hamburger-icon::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
}

.hero h1 {
  max-width: 18ch;
  margin-left: auto;
  margin-right: auto;
}

.hero .subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 49ch;
  margin: var(--space-lg) auto var(--space-xl);
}

.hero-image-wrapper {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  margin-top: var(--space-2xl);
}

.hero-image-wrapper img {
  background-color: #f0f0f0;
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Product Intelligence Section */
.product-intelligence {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.pi-header .eyebrow {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-sm);
}

.pi-header h2 {
  margin-bottom: var(--space-xl);
}

.pi-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.features-grid {
  display: grid;
  gap: var(--space-2xl);
}

/* CTA Section */
.cta-section {
  background-color: #fafafa;
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.cta-section h2 {
  max-width: 20ch;
  margin-left: auto;
  margin-right: auto;
}

.cta-section p {
  color: var(--color-text-secondary);
  max-width: 65ch;
  margin: var(--space-lg) auto var(--space-xl);
}

/* Footer */
.main-footer {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-xl);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-info address,
.footer-info .footer-email {
  color: var(--color-text-secondary);
  font-style: normal;
  display: block;
  margin-top: var(--space-md);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-xl);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* --- DESKTOP STYLES --- */
@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-5xl);
  }
  h2 {
    font-size: 2.5rem; /* 40px */
  }

  .mobile-nav-toggle {
    display: none;
  }
  .main-nav {
    display: block;
  }
  .nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-md);
  }

  .product-intelligence .container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4xl);
    align-items: flex-start;
  }

  .pi-header {
    text-align: left;
  }

  .pi-header h2 {
    margin-bottom: 0;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }

  .footer-top {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer-nav ul {
    flex-direction: row;
    gap: var(--space-xl);
  }
}