/*
Theme Name: Triathlon Modern
Theme URI: https://example.com/triathlon
Author: Developer
Author URI: https://example.com
Description: Custom theme for Polski Zwiazek Triathlonu with Timber/Twig and Gutenberg blocks
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: triathlon
*/

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #D71920;
    --color-primary-dark: #B01419;
    --color-secondary: #1a1a2e;
    --color-accent: #e94560;
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray: #6c757d;
    --color-dark: #212529;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Montserrat', var(--font-primary);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Container */
    --container-width: 1200px;
    --container-padding: 1rem;

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

/* ==========================================================================
   Base Styles
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

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

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section--light {
    background-color: var(--color-light);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.btn--outline {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

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

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

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.site-logo img {
    height: 50px;
    width: auto;
}

.main-nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.main-nav__link {
    color: var(--color-dark);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.main-nav__link:hover {
    color: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
}

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

.footer-column__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer-column__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-column__list li {
    margin-bottom: var(--spacing-sm);
}

.footer-column__list a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-column__list a:hover {
    color: var(--color-white);
}

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }

    .main-nav {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}