:root {
  --cream: #f2eee3;
  --green: #207343;
  --light-green: #89b193;
  --orange: #ae4f00;
  --ink: #1a1a1a;
  
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --max-width: 1100px;
  
  /* Light mode defaults */
  --header-bg: rgba(242, 238, 227, 0.95);
  --border-color: rgba(26, 26, 26, 0.05);
  --subtext: #4a4a4a;
  --card-bg: #fff;
  --card-shadow: 0 4px 6px rgba(0,0,0,0.02);
  --card-shadow-hover: 0 12px 24px rgba(0,0,0,0.05);
  --logo-filter: none;
  --footer-bg: #1a1a1a;
  --footer-heading: #f2eee3;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --cream: #121212;
    --ink: #f2eee3;
    --header-bg: rgba(18, 18, 18, 0.95);
    --border-color: rgba(255, 255, 255, 0.1);
    --subtext: #a0a0a0;
    --card-bg: #1a1a1a;
    --card-shadow: 0 4px 6px rgba(0,0,0,0.2);
    --card-shadow-hover: 0 12px 24px rgba(0,0,0,0.4);
    --logo-filter: invert(1) hue-rotate(180deg) brightness(1.5);
    --footer-bg: #0a0a0a;
    --footer-heading: #f2eee3;
  }
}

html[data-theme="dark"] {
  --cream: #121212;
  --ink: #f2eee3;
  --header-bg: rgba(18, 18, 18, 0.95);
  --border-color: rgba(255, 255, 255, 0.1);
  --subtext: #a0a0a0;
  --card-bg: #1a1a1a;
  --card-shadow: 0 4px 6px rgba(0,0,0,0.2);
  --card-shadow-hover: 0 12px 24px rgba(0,0,0,0.4);
  --logo-filter: invert(1) hue-rotate(180deg) brightness(1.5);
  --footer-bg: #0a0a0a;
  --footer-heading: #f2eee3;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  font-size: 1.125rem;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }

a {
  color: var(--green);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--light-green);
}

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

.btn {
  display: inline-block;
  background-color: var(--green);
  color: var(--cream);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s, transform 0.1s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--light-green);
  color: var(--ink);
}

.btn:active {
  transform: translateY(1px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.25rem;
}

/* Header */
header {
  position: sticky;
  top: 0;
  background-color: var(--header-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo img {
  height: 32px;
  display: block;
  filter: var(--logo-filter);
}

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

.nav-links a {
  color: var(--ink);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--green);
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  border-radius: 50%;
  transition: background-color 0.2s;
}

.theme-toggle:hover {
  background-color: var(--border-color);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Hide sun in light mode, moon in dark mode based on data-theme */
html:not([data-theme="dark"]) .moon-icon,
html[data-theme="dark"] .sun-icon {
  display: none;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .sun-icon { display: none; }
  html:not([data-theme="light"]) .moon-icon { display: block; }
}

/* Mobile Nav Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
  fill: var(--ink);
}

/* Hero Section */
.hero {
  padding: clamp(3rem, 8vw, 6rem) 0;
  text-align: center;
}

.hero-logo {
  height: clamp(60px, 12vw, 100px);
  margin-bottom: var(--spacing-md);
  filter: var(--logo-filter);
}

.hero p.subhead {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  color: var(--subtext);
}

/* Sections */
section {
  padding: clamp(3rem, 8vw, 5rem) 0;
}

.about {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.about blockquote {
  font-size: 1.5rem;
  line-height: 1.5;
  color: var(--green);
  border-left: 4px solid var(--orange);
  padding-left: 1.5rem;
  margin: var(--spacing-md) 0;
  font-style: italic;
}

.about p {
  margin-bottom: 1rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.service-card {
  background: var(--card-bg);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--light-green);
}

.service-card h3 {
  color: var(--green);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Contact */
.contact {
  text-align: center;
  background-color: var(--green);
  color: var(--cream);
  padding: clamp(4rem, 8vw, 6rem) 0;
}

.contact h2 {
  color: var(--cream);
}

.contact p {
  margin-bottom: var(--spacing-lg);
  font-size: 1.25rem;
}

.contact .btn {
  background-color: var(--cream);
  color: var(--ink);
}

.contact .btn:hover {
  background-color: var(--orange);
  color: var(--cream);
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: #a0a0a0;
  padding: clamp(3rem, 6vw, 4rem) 0 var(--spacing-md);
  font-size: 0.875rem;
  transition: background-color 0.3s ease;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo img {
  height: 32px;
  margin-bottom: 1rem;
}

.footer-logo p {
  color: var(--footer-heading);
  font-size: 1rem;
}

.footer-legal h4 {
  color: var(--footer-heading);
  margin-bottom: 0.5rem;
}

.footer-legal p {
  margin-bottom: 0.25rem;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Hide standard nav on very small screens for simplicity, or handle via simple stack */
  }
  
  .nav-container {
    justify-content: center; /* Center logo if no nav */
  }
  
  .hero {
    padding: var(--spacing-lg) 0;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* Simple mobile nav unhide if we want it */
@media (max-width: 768px) {
  .nav-container {
    justify-content: space-between;
  }
  .nav-links {
    display: flex;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--cream);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
    transform: translateY(-150%);
    transition: transform 0.3s ease, background-color 0.3s ease;
    z-index: -1;
  }
  .nav-links.active {
    transform: translateY(0);
  }
  .menu-toggle {
    display: block;
  }
  nav ul {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
  nav ul li {
    width: 100%;
    text-align: center;
  }
}