/* Texas Editorial / Silicon Hills Brutalism Design Tokens */
:root {
    --color-limestone: #F8F7F3; /* Primary Background */
    --color-bat-black: #0F141A; /* Primary Text */
    --color-texas-red: #C73D26; /* Accent / Alert */
    --color-pecan: #5A4B42; /* Secondary Text */
    --color-creek: #A7B6B0; /* Muted Accent */
    --color-white: #FFFFFF;

    --font-display: 'Fraunces', serif;
    --font-body: 'Public Sans', sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    --container-width: 1200px;
    --column-width: 760px;

    --border-thin: 1px solid var(--color-bat-black);
    --border-thick: 4px solid var(--color-bat-black);
}

@font-face {
    font-family: 'Fraunces';
    src: url('/assets/fonts/fraunces.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Public Sans';
    src: url('/assets/fonts/public-sans.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-limestone);
    color: var(--color-bat-black);
    font-family: var(--font-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-bat-black);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(3rem, 5vw, 5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 3.5vw, 3.5rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 2vw, 2rem); }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--spacing-sm); }
a { color: var(--color-bat-black); text-decoration: underline; text-decoration-color: var(--color-texas-red); text-underline-offset: 4px; transition: color 0.2s; }
a:hover { color: var(--color-texas-red); }

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.content-column {
    max-width: var(--column-width);
    margin: 0 auto;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-sm); }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Header */
.site-header {
    border-bottom: var(--border-thick);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    background-color: var(--color-limestone);
    z-index: 100;
}

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

.logo {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.5rem;
    text-decoration: none;
    line-height: 1;
    text-transform: uppercase;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-list a {
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.nav-list a.current {
    border-bottom: 2px solid var(--color-texas-red);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 700;
    text-decoration: none;
    border: 2px solid var(--color-bat-black);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--color-bat-black);
    color: var(--color-limestone);
}

.btn-primary:hover {
    background-color: var(--color-texas-red);
    border-color: var(--color-texas-red);
    color: var(--color-white);
}

/* Footer */
.site-footer {
    border-top: var(--border-thick);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
    margin-top: var(--spacing-xl);
    background-color: var(--color-bat-black);
    color: var(--color-limestone);
}

.site-footer a {
    color: var(--color-limestone);
    text-decoration-color: var(--color-pecan);
}
.site-footer h4 {
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.footer-links ul {
    list-style: none;
}
.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--color-pecan);
    padding-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-creek);
}

/* Tools / Calculator Styling */
.tool-container {
    background: var(--color-white);
    border: var(--border-thin);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}
.form-group {
    margin-bottom: var(--spacing-sm);
}
.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem;
    border: var(--border-thin);
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--color-limestone);
}
.result-box {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-bat-black);
    color: var(--color-limestone);
    border: 2px solid var(--color-bat-black);
}
.result-box h3 {
    color: var(--color-limestone);
    margin-top: 0;
}
.noscript-fallback {
    background: var(--color-creek);
    padding: var(--spacing-sm);
    border: 1px dashed var(--color-bat-black);
    margin-bottom: var(--spacing-sm);
}