/* ==========================================================================
BASEMENT.CSS — A production-ready CSS foundation
==========================================================================
USAGE:
1. Include this file in your HTML :
2. (Optional) For better performance, replace the @import with a to
Google Fonts before including basement.css:
3. All custom properties can be overridden by re-declaring them in your
own stylesheet after basement.css.
Palette:
- Primary (cream) --color-primary
- Secondary (gold) --color-secondary
- Background (slate) --color-bg
- Surface (sea green)--color-surface
- Text (beige) --color-text
========================================================================== */
/* --------------------------------------------------------------------------
Google Fonts
-------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400;1,600;1,700&family=Fira+Code:wght@400;500&display=swap');
/* --------------------------------------------------------------------------
1. CSS Reset (Modern Normalize)
-------------------------------------------------------------------------- */
/* Box sizing */
*,
*::before,
*::after {
box-sizing: border-box;
}
/* Remove default margins & paddings */
body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, dd,
figure, blockquote, pre {
margin: 0;
padding: 0;
}
/* Remove list styles */
ul, ol {
list-style: none;
}
/* Responsive images and media */
img, svg, video, canvas {
max-width: 100%;
height: auto;
display: block;
}
/* Form elements inherit font */
input, button, textarea, select {
font: inherit;
color: inherit;
}
/* Remove default button styling */
button {
background: none;
border: none;
cursor: pointer;
}
/* Links – basic reset */
a {
color: inherit;
text-decoration: none;
}
/* --------------------------------------------------------------------------
2. CSS Custom Properties
-------------------------------------------------------------------------- */
:root {
/* Colors */
--color-primary: #F5F1E8; /* Cream / off-white */
--color-secondary: #B5A642; /* Olive gold */
--color-bg: #1B262C; /* Dark slate */
--color-surface: #2F4F4F; /* Dark sea green */
--color-text: #F5F5DC; /* Beige */
/* Typography */
--font-heading: 'Crimson Text', Georgia, serif;
--font-body: 'Crimson Text', Georgia, serif;
--font-mono: 'Fira Code', 'Source Code Pro', 'Consolas', monospace;
/* Spacing scale (rem) — used by utility classes
0: 0
1: 0.25
2: 0.5
3: 1
4: 1.5
5: 2
*/
}
/* --------------------------------------------------------------------------
3. Base Typography
-------------------------------------------------------------------------- */
html {
font-size: 16px; /* 1rem = 16px */
line-height: 1.6;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
scroll-behavior: smooth;
}
body {
background-color: var(--color-bg);
color: var(--color-text);
font-family: var(--font-body);
}
/* Headings */
h1, h2, h3, h4, h5, h6 {
font-family: var(--font-heading);
line-height: 1.25;
font-weight: 600;
}
h1 { font-size: 2.5rem; font-weight: 700; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem;}
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem;}
h6 { font-size: 1rem; }
/* Code / monospace */
code, pre, kbd, samp {
font-family: var(--font-mono);
font-size: 0.9em;
}
pre {
background: var(--color-surface);
color: var(--color-text);
padding: 1rem;
border-radius: 0.25rem;
overflow-x: auto;
}
/* --------------------------------------------------------------------------
4. Component Classes
-------------------------------------------------------------------------- */
/* ---- Layout ---- */
.container {
width: 100%;
max-width: 1280px;
margin-left: auto;
margin-right: auto;
padding-left: 1rem;
padding-right: 1rem;
}
.container-fluid {
width: 100%;
padding-left: 1rem;
padding-right: 1rem;
}
.row {
display: flex;
flex-wrap: wrap;
margin-left: -0.5rem;
margin-right: -0.5rem;
}
.col {
flex: 1 0 0%;
padding-left: 0.5rem;
padding-right: 0.5rem;
}
.col-auto {
flex: 0 0 auto;
width: auto;
}
/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
/* ---- Cards & Surfaces ---- */
.card {
background-color: var(--color-surface);
border-radius: 0.5rem;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
padding: 1.5rem;
}
.surface {
background-color: var(--color-surface);
}
.panel {
border: 1px solid var(--color-secondary);
border-radius: 0.25rem;
padding: 1rem;
}
/* ---- Buttons ---- */
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0.5rem 1.25rem;
font-family: var(--font-body);
font-size: 1rem;
line-height: 1.5;
border: 2px solid transparent;
border-radius: 0.25rem;
background-color: var(--color-secondary);
color: var(--color-bg);
cursor: pointer;
transition: all 0.2s ease;
}
.btn:hover {
opacity: 0.9;
}
.btn:focus-visible {
outline: 2px solid var(--color-secondary);
outline-offset: 2px;
}
.btn-primary {
background-color: var(--color-primary);
color: var(--color-bg);
}
.btn-outline {
background-color: transparent;
border-color: var(--color-secondary);
color: var(--color-secondary);
}
.btn-outline:hover {
background-color: var(--color-secondary);
color: var(--color-bg);
}
.btn-small {
padding: 0.25rem 0.75rem;
font-size: 0.875rem;
}
.btn-large {
padding: 0.75rem 1.75rem;
font-size: 1.25rem;
}
/* ---- Forms ---- */
.input,
.textarea,
.select {
width: 100%;
padding: 0.5rem 0.75rem;
font-family: var(--font-body);
font-size: 1rem;
line-height: 1.5;
color: var(--color-text);
background-color: var(--color-surface);
border: 1px solid var(--color-secondary);
border-radius: 0.25rem;
transition: border-color 0.2s;
}
.input:focus,
.textarea:focus,
.select:focus {
outline: none;
border-color: var(--color-primary);
box-shadow: 0 0 0 2px rgba(181, 166, 66, 0.4);
}
.textarea {
resize: vertical;
}
.select {
appearance: none;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23B5A642'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
background-repeat: no-repeat;
background-position: right 0.75rem center;
background-size: 0.75rem;
padding-right: 2rem;
}
.form-group {
margin-bottom: 1rem;
}
.label {
display: block;
margin-bottom: 0.25rem;
font-weight: 600;
color: var(--color-text);
}
/* Custom checkbox & radio */
.checkbox,
.radio {
appearance: none;
-webkit-appearance: none;
width: 1.2em;
height: 1.2em;
border: 2px solid var(--color-secondary);
background-color: var(--color-surface);
display: inline-block;
position: relative;
cursor: pointer;
vertical-align: middle;
margin-right: 0.4em;
}
.checkbox {
border-radius: 0.2em;
}
.radio {
border-radius: 50%;
}
.checkbox:checked::after {
content: '';
position: absolute;
left: 4px;
top: 1px;
width: 5px;
height: 10px;
border: solid var(--color-secondary);
border-width: 0 2px 2px 0;
transform: rotate(45deg);
}
.radio:checked::after {
content: '';
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 0.6em;
height: 0.6em;
border-radius: 50%;
background-color: var(--color-secondary);
}
/* ---- Typography Utilities ---- */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-text); opacity: 0.6; }
.heading-1 { font-size: 2.5rem; font-weight: 700; }
.heading-2 { font-size: 2rem; font-weight: 600; }
.heading-3 { font-size: 1.75rem;font-weight: 600; }
.heading-4 { font-size: 1.5rem; font-weight: 600; }
.heading-5 { font-size: 1.25rem;font-weight: 600; }
.heading-6 { font-size: 1rem; font-weight: 600; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.text-small { font-size: 0.875rem; }
.text-large { font-size: 1.25rem; }
.font-mono { font-family: var(--font-mono); }
/* ---- Navigation ---- */
.nav {
display: flex;
flex-wrap: wrap;
padding-left: 0;
margin-bottom: 0;
list-style: none;
}
.nav-vertical {
flex-direction: column;
}
.nav-link {
display: block;
padding: 0.5rem 1rem;
color: var(--color-text);
text-decoration: none;
border-radius: 0.25rem;
transition: color 0.2s, background-color 0.2s;
}
.nav-link:hover,
.nav-link:focus {
color: var(--color-secondary);
background-color: rgba(181, 166, 66, 0.1);
}
.nav-link.active {
color: var(--color-primary);
background-color: var(--color-secondary);
}
/* ---- Accessibility ---- */
.sr-only,
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
.hidden {
display: none !important;
}
/* Global focus style for keyboard users */
:focus-visible {
outline: 2px solid var(--color-secondary);
outline-offset: 2px;
}
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}
/* --------------------------------------------------------------------------
5. Spacing & Utility Scale
-------------------------------------------------------------------------- */
/* Margin */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 1rem; }
.m-4 { margin: 1.5rem; }
.m-5 { margin: 2rem; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }
.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 1rem; }
.mr-4 { margin-right: 1.5rem; }
.mr-5 { margin-right: 2rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }
.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 1rem; }
.ml-4 { margin-left: 1.5rem; }
.ml-5 { margin-left: 2rem; }
.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: 0.25rem; margin-right: 0.25rem; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-3 { margin-left: 1rem; margin-right: 1rem; }
.mx-4 { margin-left: 1.5rem; margin-right: 1.5rem; }
.mx-5 { margin-left: 2rem; margin-right: 2rem; }
.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: 0.25rem; margin-bottom: 0.25rem; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-3 { margin-top: 1rem; margin-bottom: 1rem; }
.my-4 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-5 { margin-top: 2rem; margin-bottom: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
/* Padding */
.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 2rem; }
.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 1rem; }
.pt-4 { padding-top: 1.5rem; }
.pt-5 { padding-top: 2rem; }
.pr-0 { padding-right: 0; }
.pr-1 { padding-right: 0.25rem; }
.pr-2 { padding-right: 0.5rem; }
.pr-3 { padding-right: 1rem; }
.pr-4 { padding-right: 1.5rem; }
.pr-5 { padding-right: 2rem; }
.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 1rem; }
.pb-4 { padding-bottom: 1.5rem; }
.pb-5 { padding-bottom: 2rem; }
.pl-0 { padding-left: 0; }
.pl-1 { padding-left: 0.25rem; }
.pl-2 { padding-left: 0.5rem; }
.pl-3 { padding-left: 1rem; }
.pl-4 { padding-left: 1.5rem; }
.pl-5 { padding-left: 2rem; }
.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.px-4 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-5 { padding-left: 2rem; padding-right: 2rem; }
.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-5 { padding-top: 2rem; padding-bottom: 2rem; }
/* Rounded & Shadows */
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-full { border-radius: 9999px; }
.shadow { box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); }
.shadow-lg { box-shadow: 0 4px 6px rgba(0, 0, 0, 0.4); }
/* --------------------------------------------------------------------------
6. Responsive Breakpoints
-------------------------------------------------------------------------- */
/* sm: 640px */
@media (min-width: 640px) {
.sm\:flex { display: flex; }
.sm\:flex-col { flex-direction: column; }
.sm\:flex-row { flex-direction: row; }
.sm\:flex-center { display: flex; justify-content: center; align-items: center; }
.sm\:flex-between{ display: flex; justify-content: space-between; align-items: center; }
.sm\:flex-wrap { flex-wrap: wrap; }
.sm\:hidden { display: none; }
.sm\:block { display: block; }
.sm\:inline { display: inline; }
.sm\:text-center { text-align: center; }
.sm\:text-left { text-align: left; }
.sm\:text-right { text-align: right; }
.sm\:text-small { font-size: 0.875rem; }
.sm\:text-large { font-size: 1.25rem; }
/* Spacing scale (abbreviated example – full scale can be generated) */
.sm\:m-0 { margin: 0; }
.sm\:mt-0 { margin-top: 0; }
.sm\:mb-0 { margin-bottom: 0; }
.sm\:p-0 { padding: 0; }
.sm\:pt-0 { padding-top: 0; }
.sm\:pb-0 { padding-bottom: 0; }
}
/* md: 768px */
@media (min-width: 768px) {
.md\:flex { display: flex; }
.md\:flex-col { flex-direction: column; }
.md\:flex-row { flex-direction: row; }
.md\:flex-center { display: flex; justify-content: center; align-items: center; }
.md\:flex-between{ display: flex; justify-content: space-between; align-items: center; }
.md\:flex-wrap { flex-wrap: wrap; }
.md\:hidden { display: none; }
.md\:block { display: block; }
.md\:inline { display: inline; }
.md\:text-center { text-align: center; }
.md\:text-left { text-align: left; }
.md\:text-right { text-align: right; }
.md\:text-small { font-size: 0.875rem; }
.md\:text-large { font-size: 1.25rem; }
.md\:m-2 { margin: 0.5rem; }
.md\:mt-2 { margin-top: 0.5rem; }
.md\:mb-2 { margin-bottom: 0.5rem; }
.md\:p-2 { padding: 0.5rem; }
.md\:pt-2 { padding-top: 0.5rem; }
.md\:pb-2 { padding-bottom: 0.5rem; }
}
/* lg: 1024px */
@media (min-width: 1024px) {
.lg\:flex { display: flex; }
.lg\:flex-col { flex-direction: column; }
.lg\:flex-row { flex-direction: row; }
.lg\:flex-center { display: flex; justify-content: center; align-items: center; }
.lg\:flex-between{ display: flex; justify-content: space-between; align-items: center; }
.lg\:flex-wrap { flex-wrap: wrap; }
.lg\:hidden { display: none; }
.lg\:block { display: block; }
.lg\:inline { display: inline; }
.lg\:text-center { text-align: center; }
.lg\:text-left { text-align: left; }
.lg\:text-right { text-align: right; }
.lg\:text-small { font-size: 0.875rem; }
.lg\:text-large { font-size: 1.25rem; }
.lg\:m-3 { margin: 1rem; }
.lg\:mt-3 { margin-top: 1rem; }
.lg\:mb-3 { margin-bottom: 1rem; }
.lg\:p-3 { padding: 1rem; }
.lg\:pt-3 { padding-top: 1rem; }
.lg\:pb-3 { padding-bottom: 1rem; }
.lg\:mx-auto { margin-left: auto; margin-right: auto; }
}
/* xl: 1280px */
@media (min-width: 1280px) {
.xl\:flex { display: flex; }
.xl\:flex-col { flex-direction: column; }
.xl\:flex-row { flex-direction: row; }
.xl\:flex-center { display: flex; justify-content: center; align-items: center; }
.xl\:flex-between{ display: flex; justify-content: space-between; align-items: center; }
.xl\:flex-wrap { flex-wrap: wrap; }
.xl\:hidden { display: none; }
.xl\:block { display: block; }
.xl\:inline { display: inline; }
.xl\:text-center { text-align: center; }
.xl\:text-left { text-align: left; }
.xl\:text-right { text-align: right; }
.xl\:text-small { font-size: 0.875rem; }
.xl\:text-large { font-size: 1.25rem; }
.xl\:m-4 { margin: 1.5rem; }
.xl\:mt-4 { margin-top: 1.5rem; }
.xl\:mb-4 { margin-bottom: 1.5rem; }
.xl\:p-4 { padding: 1.5rem; }
.xl\:pt-4 { padding-top: 1.5rem; }
.xl\:pb-4 { padding-bottom: 1.5rem; }
}