:root {
  /* Mint Green Bento Palette */
  --bg-base: #eef7f2;
  --bg-surface: #ffffff;
  --bg-alt: #e4f0e9;
  --accent-primary: #14532d;
  --accent-secondary: #065f46;
  --text-primary: #1f2937;
  --text-muted: #4b5563;
  --text-inverse: #ffffff;
  --badge-bg: #d1fae5;
  --badge-text: #065f46;
  --border-subtle: #d1d5db;
  --border-focus: #14532d;

  /* Typography */
  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Layout & Metrics */
  --max-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 6rem;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

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

html {
  lang: en;
  scroll-behavior: smooth;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--accent-primary);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: var(--spacing-md); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); margin-bottom: var(--spacing-md); }
h3 { font-size: clamp(1.5rem, 3vw, 1.75rem); margin-bottom: var(--spacing-sm); }
p { margin-bottom: var(--spacing-md); }
a { color: var(--accent-primary); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; object-fit: cover; border-radius: 0; }
ul, ol { margin-bottom: var(--spacing-md); padding-left: var(--spacing-md); }

/* Top Bar */
.top-bar {
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  font-size: 0.875rem;
  text-align: center;
  padding: 0.25rem var(--spacing-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Header */
header {
  position: static;
  background-color: var(--bg-base);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--bg-alt);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  gap: var(--spacing-md);
}

.main-nav a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.3s ease;
}

.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: var(--accent-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--accent-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* Main Layout & Containers */
main {
  flex-grow: 1;
}

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

.copy-container {
  max-width: 72ch;
  margin: 0 auto;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

@media (min-width: 769px) {
  .bento-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(250px, auto);
  }
  .span-2 { grid-column: span 2; }
  .span-3 { grid-column: span 3; }
  .span-4 { grid-column: span 4; }
  .row-2 { grid-row: span 2; }
}

/* Card Styles */
.bento-card {
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease-kinetic), box-shadow 0.4s var(--ease-kinetic);
  overflow: hidden;
  border-radius: 0; /* Square corners */
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-img-wrap {
  position: relative;
  flex-shrink: 0;
}

.bento-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.row-2 .card-img-wrap, .row-2 img {
  height: 100%;
  min-height: 250px;
  flex-grow: 1;
}

.badge {
  position: absolute;
  bottom: -12px;
  left: 16px;
  background-color: var(--badge-bg);
  color: var(--badge-text);
  padding: 4px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 999px; /* Round badges */
  z-index: 10;
  box-shadow: var(--shadow-sm);
}

.card-body {
  padding: var(--spacing-md);
  padding-top: 24px; /* Space for badge */
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body h3 { font-size: 1.25rem; }
.card-body p { color: var(--text-muted); font-size: 0.9375rem; flex-grow: 1; }

/* Hero Section */
.hero-section {
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--bg-base);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  align-items: center;
}

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

.hero-images {
  position: relative;
  min-height: 400px;
  width: 100%;
}

.hero-img-stack {
  position: absolute;
  border: 4px solid var(--bg-base);
  box-shadow: var(--shadow-md);
}

.img-main {
  width: 70%;
  top: 10%;
  left: 0;
  z-index: 2;
}

.img-offset-1 {
  width: 50%;
  bottom: 0;
  right: 5%;
  z-index: 3;
}

.img-offset-2 {
  width: 45%;
  top: 0;
  right: 0;
  z-index: 1;
  opacity: 0.8;
}

@media (min-width: 769px) {
  .hero-grid { grid-template-columns: 1fr 1fr; }
}

/* Actions & Buttons */
.btn-primary {
  display: inline-block;
  background-color: var(--accent-primary);
  color: var(--text-inverse);
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s ease, transform 0.3s var(--ease-kinetic);
  font-family: var(--font-body);
}

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

.link-action {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--accent-primary);
  padding-bottom: 2px;
  margin-top: auto;
  align-self: flex-start;
}

.link-action::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent-primary);
  transform: scaleX(0.2);
  transform-origin: left center;
  transition: transform 0.3s var(--ease-kinetic);
}

.link-action:hover::after {
  transform: scaleX(1);
}

/* Diagonal Background Sections */
.section-diagonal {
  position: relative;
  padding: var(--spacing-xl) 0;
  background-color: var(--bg-surface);
  clip-path: polygon(0 4vw, 100% 0, 100% calc(100% - 4vw), 0 100%);
  margin-top: -4vw;
  z-index: 1;
}

.section-diagonal + section {
  padding-top: calc(var(--spacing-xl) + 4vw);
}

/* Forms & Tools */
.form-group { margin-bottom: var(--spacing-md); }
.form-label { display: block; font-weight: 600; margin-bottom: 0.5rem; color: var(--text-primary); }
.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  border-radius: 0;
}
.form-control:focus { outline: none; border-color: var(--border-focus); }

.tool-panel {
  background-color: var(--bg-alt);
  padding: var(--spacing-md);
  border-left: 4px solid var(--accent-primary);
  margin: var(--spacing-lg) 0;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

@media (min-width: 769px) {
  .calculator-grid { grid-template-columns: 1fr 1fr; }
}

.output-area {
  width: 100%;
  height: 150px;
  resize: vertical;
  background-color: var(--bg-surface);
}

.tool-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}
table { width: 100%; border-collapse: collapse; background: var(--bg-surface); }
th, td { padding: 1rem; border: 1px solid var(--border-subtle); text-align: left; }
th { background-color: var(--bg-alt); color: var(--accent-primary); font-weight: 700; }

/* FAQ Styles */
.faq-item {
  margin-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: var(--spacing-md);
}
.faq-question { font-size: 1.2rem; font-weight: 700; color: var(--accent-primary); margin-bottom: 0.5rem; }

/* Footer */
footer {
  background-color: var(--text-primary);
  color: var(--bg-base);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: auto;
}

.footer-top {
  background-color: var(--accent-primary);
  padding: 0.5rem var(--spacing-md);
  text-align: center;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-lg);
  margin-top: calc(-1 * var(--spacing-lg));
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.footer-col h4 {
  color: var(--bg-alt);
  margin-bottom: var(--spacing-md);
}

.footer-col ul { list-style: none; padding: 0; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col a { color: var(--bg-base); transition: opacity 0.3s; }
.footer-col a:hover { opacity: 0.8; text-decoration: underline; }

.footer-bottom {
  max-width: var(--max-width);
  margin: var(--spacing-lg) auto 0;
  padding: var(--spacing-md) var(--spacing-md) 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: #9ca3af;
  text-align: center;
}

/* Scroll Reveal */
.reveal { opacity: 0; transform: translateY(20px); transition: all 0.7s var(--ease-kinetic); }
.reveal.reveal-visible { opacity: 1; transform: translateY(0); }

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 100;
  }
  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  header { position: relative; }
}

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