:root {
  /* Strictly No Blue Palette */
  --bg-base: #eef7f2; /* Pale mint */
  --bg-alt: #ffffff; /* White alternating band */
  --accent: #14532d; /* Deep green */
  --text: #1f2937; /* Charcoal */
  --text-muted: #4b5563; /* Lighter charcoal for metadata */
  
  /* UI Elements */
  --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
  --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
  --btn-shadow: 4px 4px 0 var(--text);
  
  /* Constraints */
  --max-width: 1100px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  lang: en;
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-base);
  color: var(--text);
  line-height: 1.7;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

p { margin-bottom: 1.5rem; font-weight: 400; }
a { color: var(--accent); text-decoration: none; transition: opacity 0.2s var(--ease); }
a:hover { opacity: 0.8; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Layout Architecture */
.section {
  width: 100%;
  padding: 6rem 0;
  position: relative;
}

.bg-base { background-color: var(--bg-base); }
.bg-alt { background-color: var(--bg-alt); }
.bg-radial {
  background: var(--bg-base);
  background-image: radial-gradient(circle at center, rgba(20, 83, 45, 0.08) 0%, transparent 70%);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }

/* Header Navigation (Strict Left/Right) */
.site-header {
  background-color: var(--bg-alt);
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.brand-logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

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

.nav-links a {
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 8rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.hero-images {
  position: relative;
  height: 500px;
  width: 100%;
}

.hero-images img {
  position: absolute;
  object-fit: cover;
  border-radius: 0; /* Square strictly */
  box-shadow: var(--card-shadow);
}

.hero-img-1 { top: 0; left: 0; width: 60%; height: 70%; z-index: 1; }
.hero-img-2 { top: 15%; right: 0; width: 55%; height: 60%; z-index: 2; }
.hero-img-3 { bottom: 0; left: 20%; width: 50%; height: 50%; z-index: 3; }

/* Buttons */
.btn {
  display: inline-flex;
  background-color: var(--accent);
  color: var(--bg-alt);
  padding: 1rem 2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  box-shadow: var(--btn-shadow);
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.btn:hover {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--text);
  color: var(--bg-alt);
  opacity: 1;
}

/* Cards */
.card {
  background-color: var(--bg-alt);
  padding: 2rem;
  box-shadow: var(--card-shadow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  border-radius: 0; /* Square strictly */
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
}

.card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  margin-bottom: 1.5rem;
  border-radius: 0; /* Square images */
}

/* Avatars & Badges */
.avatar, .badge {
  border-radius: 50%;
  object-fit: cover;
}
.avatar { width: 64px; height: 64px; }
.badge { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; background: var(--accent); color: white; font-weight: 800; }

/* Spec Comparison Band */
.spec-band {
  display: flex;
  flex-wrap: wrap;
  border-top: 2px solid var(--text);
  border-bottom: 2px solid var(--text);
  padding: 1rem 0;
  margin-top: 2rem;
}
.spec-item {
  flex: 1 1 50%;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}
.spec-item strong { text-transform: uppercase; font-size: 0.85rem; color: var(--text-muted); }
.spec-item span { font-weight: 800; font-size: 1.25rem; }

/* Forms */
.form-group { margin-bottom: 1.5rem; }
label { display: block; font-weight: 800; margin-bottom: 0.5rem; text-transform: uppercase; font-size: 0.85rem; }
input, textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--text);
  background: var(--bg-alt);
  color: var(--text);
  font-family: inherit;
  border-radius: 0;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }

/* Footer */
.site-footer {
  background-color: var(--text);
  color: var(--bg-alt);
  padding: 4rem 0 2rem;
}
.site-footer a { color: var(--bg-alt); opacity: 0.7; }
.site-footer a:hover { opacity: 1; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; margin-bottom: 3rem; }
.footer-brand h4 { color: var(--bg-alt); }
.footer-brand p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer-newsletter { display: flex; flex-direction: column; align-items: flex-end; }
.footer-newsletter form { display: flex; width: 100%; max-width: 400px; }
.footer-newsletter input { border-color: var(--bg-alt); color: var(--bg-alt); background: transparent; }
.footer-newsletter .btn { background: var(--bg-alt); color: var(--text); box-shadow: 4px 4px 0 var(--accent); }
.footer-newsletter .btn:hover { box-shadow: 0 0 0 var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  font-size: 0.85rem;
}
.footer-links { display: flex; gap: 1.5rem; }

/* Scroll Reveal */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding: 4rem 0; gap: 2rem; }
  .hero-images { height: 400px; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--bg-alt);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    z-index: 100;
  }
  .nav-links.active { display: flex; }
  .mobile-menu-btn { display: block; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-newsletter { align-items: flex-start; }
  .footer-bottom { flex-direction: column; gap: 1rem; }
  h1 { font-size: 2.5rem; }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}