/*
Theme Name: Folio Theme
Theme URI: https://example.com/folio-theme
Author: Folio Developer
Author URI: https://example.com
Description: A minimal and clean WordPress theme with split-screen landing page, designed for portfolios and blogs. Works seamlessly with the Folio Projects plugin for GitHub-like file browsing.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: folio-theme
Tags: portfolio, blog, minimal, clean, custom-logo, custom-colors, featured-images

Folio Theme is a minimal and clean theme designed for creative professionals.
*/

/* CSS Variables - Minimal & Clean Palette */
:root {
    /* Primary */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;

    /* Backgrounds */
    --color-bg-main: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-topbar: #ffffff;
    --color-bg-bottombar: #1e293b;

    /* Text */
    --color-text-primary: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-light: #ffffff;

    /* Borders */
    --color-border: #e2e8f0;

    /* Split Screen Boxes */
    --color-box-blog: #f1f5f9;
    --color-box-projects: #e0f2fe;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Layout */
    --topbar-height: 60px;
    --bottombar-height: 50px;
    --container-max-width: 1200px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Utility Classes */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Layout Structure */
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 500;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-text-light);
}

.btn-secondary {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-border);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background-color: var(--color-bg-main);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

/* Cards */
.card {
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: var(--spacing-lg);
}

/* Media Queries */
@media (max-width: 768px) {
    :root {
        --font-size-base: 15px;
        --topbar-height: 50px;
        --bottombar-height: 45px;
    }

    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}