:root {
    --primary-color: #0F172A;
    --secondary-color: #1E293B;
    --accent-color: #059669;
    --text-main: #334155;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--bg-light);
}

a {
    color: var(--accent-color);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* Header */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}
.logo a {
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}
.nav-links a {
    color: var(--text-main);
    font-weight: 500;
}
.nav-links a:hover {
    color: var(--accent-color);
}

/* Typography & Utilities */
h1, h2, h3, h4 {
    color: var(--primary-color);
    line-height: 1.2;
    margin-bottom: 1rem;
}
.text-white h1, .text-white p {
    color: var(--white);
}
.text-center {
    text-align: center;
}
.text-accent {
    color: var(--accent-color);
}
.bg-primary {
    background-color: var(--primary-color);
}
.bg-light {
    background-color: var(--bg-light);
}
.hidden {
    display: none !important;
}

/* Hero */
.hero {
    padding: 4rem 0;
}
.hero .lead {
    font-size: 1.25rem;
    max-width: 800px;
    opacity: 0.9;
}

/* Sections */
section {
    padding: 4rem 0;
}
.guide-section p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}
.guide-section h3 {
    margin-top: 2rem;
}

/* Grid */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}
@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Cards & Forms */
.card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}
.form-group {
    margin-bottom: 1.5rem;
}
label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}
.help-text {
    font-size: 0.85rem;
    color: #64748B;
    margin-bottom: 0.5rem;
}
input[type="number"], input[type="range"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}
input[type="range"] {
    padding: 0;
}
.range-display {
    text-align: right;
    font-weight: bold;
    font-size: 1.1rem;
    margin-top: 0.25rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.2s;
}
.btn-primary {
    background-color: var(--accent-color);
    color: var(--white);
}
.btn-primary:hover {
    background-color: #047857;
    text-decoration: none;
}
.btn-block {
    width: 100%;
}

/* Results */
.breakdown-list {
    list-style: none;
    margin-top: 1.5rem;
}
.breakdown-list li {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}
.breakdown-list li strong {
    display: block;
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}
.breakdown-list p {
    font-size: 0.9rem;
    margin: 0;
}

/* Footer */
.site-footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 2rem;
}
.site-footer a {
    color: #CBD5E1;
    margin-left: 1rem;
}
.site-footer a:hover {
    color: var(--white);
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}