/*
Theme Name: BSR Case Studies
Theme URI: https://bsrcasestudies.com/
Author: BSR
Author URI: https://bsrcasestudies.com/
Description: A simple, professional and warm theme for BSR Case Studies based on the new brand presentation.
Version: 1.0.0
Requires PHP: 7.4
Requires at least: 7.0
Text Domain: bsr-case-studies
License: GPLv2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/

:root {
    --bsr-green: #446463;
    --bsr-light-green: #82A198;
    --bsr-dark: #333333;
    --bsr-light: #f9f9f9;
    --bsr-white: #ffffff;
    --font-heading: 'Roboto Slab', serif;
    --font-body: 'Roboto', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--bsr-dark);
    background-color: var(--bsr-light);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--bsr-green);
    margin-bottom: 1rem;
    font-weight: 300;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

a {
    color: var(--bsr-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--bsr-light-green);
}

p {
    margin-bottom: 1.5rem;
}

/* Accessibility */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute !important;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    clip: auto !important;
    clip-path: none;
    color: #21759b;
    display: block;
    font-size: 14px;
    font-size: 0.875rem;
    font-weight: bold;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* Header */
.site-header {
    background-color: var(--bsr-white);
    padding: 20px 0;
    border-bottom: 4px solid var(--bsr-green);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: padding 0.3s ease;
}

.site-header.scrolled {
    padding: 5px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.site-header-spacer {
    /* Height set dynamically by JS to match initial header height */
}

.site-branding {
    padding-left: 5%;
}

.custom-logo {
    max-width: 180px;
    height: auto;
    transition: max-width 0.3s ease;
}

.site-header.scrolled .custom-logo {
    max-width: 100px;
}

/* Navigation */
.main-navigation {
    padding-right: 5%;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 30px;
}

.main-navigation li {
    position: relative;
}

.main-navigation li a {
    font-weight: 500;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--bsr-green);
    padding: 10px 0;
    display: block;
}

.main-navigation li a:hover {
    color: var(--bsr-light-green);
}

/* Dropdown Arrows */
.main-navigation li.menu-item-has-children > a {
    position: relative;
    padding-right: 18px;
}

.main-navigation li.menu-item-has-children > a::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    margin-top: -2px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--bsr-green);
    transition: border-top-color 0.3s ease;
}

.main-navigation li.menu-item-has-children > a:hover::after {
    border-top-color: var(--bsr-light-green);
}

/* Dropdown Menu */
.main-navigation ul ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bsr-white);
    flex-direction: column;
    gap: 0;
    min-width: 200px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 999;
}

.main-navigation ul li:hover > ul,
.main-navigation ul li.focus > ul {
    display: flex;
}

.main-navigation ul ul li {
    width: 100%;
}

.main-navigation ul ul li a {
    padding: 15px 20px;
    border-bottom: 1px solid var(--bsr-light);
    font-size: 1rem;
}

.main-navigation ul ul li a:hover {
    background-color: var(--bsr-light);
}

/* Main Content - Full Width */
.site-content {
    background-color: var(--bsr-white);
    padding: 60px 5%;
    min-height: 60vh;
}

.entry-header {
    text-align: center;
    margin-bottom: 40px;
}

.entry-title {
    font-weight: 400;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.entry-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 25%;
    width: 50%;
    height: 2px;
    background-color: var(--bsr-light-green);
}

.entry-title a {
    color: var(--bsr-green);
}

.entry-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* Footer */
.site-footer {
    background-color: var(--bsr-green);
    color: var(--bsr-white);
    text-align: center;
    padding: 40px 5%;
    font-size: 0.9rem;
}

.site-footer p {
    margin-bottom: 0.5rem;
}

.site-footer a {
    color: var(--bsr-light-green);
}

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

/* Footer Menu */
.footer-navigation {
    margin-bottom: 30px;
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-menu li a {
    color: var(--bsr-white);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.footer-menu li a:hover {
    color: var(--bsr-light-green);
}

/* Responsive */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

/* Hamburger Icon CSS */
.hamburger-box {
    width: 30px;
    height: 24px;
    display: inline-block;
    position: relative;
}

.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    width: 30px;
    height: 3px;
    background-color: var(--bsr-green);
    border-radius: 4px;
    position: absolute;
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.hamburger-inner {
    top: 50%;
    margin-top: -1.5px;
}

.hamburger-inner::before, .hamburger-inner::after {
    content: "";
    display: block;
}

.hamburger-inner::before {
    top: -10px;
}

.hamburger-inner::after {
    bottom: -10px;
}

/* Hamburger active state */
.menu-toggle[aria-expanded="true"] .hamburger-inner {
    background-color: transparent;
}
.menu-toggle[aria-expanded="true"] .hamburger-inner::before {
    transform: translateY(10px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .hamburger-inner::after {
    transform: translateY(-10px) rotate(-45deg);
}

@media (max-width: 768px) {
    .site-header {
        padding: 15px 0;
    }
    
    .site-branding {
        padding-left: 5%;
        margin-bottom: 0;
    }
    
    .main-navigation {
        padding-right: 5%;
        width: auto;
    }
    
    .menu-toggle {
        display: inline-block;
        margin-bottom: 0;
    }

    .main-navigation ul {
        display: none;
        flex-direction: column;
        gap: 0;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background-color: var(--bsr-white);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        border-top: 1px solid var(--bsr-light);
    }
    
    .main-navigation ul li a {
        padding: 15px 5%;
        border-bottom: 1px solid var(--bsr-light);
    }

    .main-navigation.toggled ul {
        display: flex;
    }

    .main-navigation ul ul {
        position: static;
        box-shadow: none;
        background-color: var(--bsr-light);
    }
}