/**
 * Ruud Schilderwerken - Main Stylesheet
 *
 * Design System:
 * - Donkergrijze textured achtergrond (concrete/beton)
 * - Roze/magenta accenten (#d4567a)
 * - Witte tekst op donkere achtergrond
 * - Serif logo, sans-serif body
 *
 * @package Ruud_Schilderwerken
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root {
    /* Colors - Primary */
    --color-background: #4d4d4d;
    --color-background-dark: #3d3d3d;
    --color-background-light: #5a5a5a;

    /* Colors - Accent */
    --color-accent: #d4567a;
    --color-accent-hover: #e06a8c;
    --color-accent-dark: #b84563;

    /* Colors - Text */
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-muted: #b0b0b0;
    --color-text-dark: #333333;

    /* Colors - UI */
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-light: rgba(255, 255, 255, 0.2);
    --color-overlay: rgba(0, 0, 0, 0.5);

    /* Typography - Font Families */
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Typography - Font Sizes */
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-md: 1.125rem;   /* 18px */
    --font-size-lg: 1.25rem;    /* 20px */
    --font-size-xl: 1.5rem;     /* 24px */
    --font-size-2xl: 2rem;      /* 32px */
    --font-size-3xl: 2.5rem;    /* 40px */
    --font-size-4xl: 3rem;      /* 48px */
    --font-size-5xl: 3.5rem;    /* 56px */

    /* Typography - Line Heights */
    --line-height-tight: 1.2;
    --line-height-base: 1.6;
    --line-height-loose: 1.8;

    /* Spacing */
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2rem;     /* 32px */
    --spacing-xl: 3rem;     /* 48px */
    --spacing-2xl: 4rem;    /* 64px */
    --spacing-3xl: 6rem;    /* 96px */

    /* Layout */
    --container-width: 1280px;
    --container-wide: 1400px;
    --container-padding: 1.5rem;

    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
}

/* ==========================================================================
   CSS Reset & Base Styles
   ========================================================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

/* ==========================================================================
   CRITICAL: Concrete Texture Background

   De donkergrijze textured achtergrond is het KERN-ELEMENT.
   - 100% viewport width
   - Seamless tiling zonder zichtbare naden
   - CSS generated texture als fallback
   ========================================================================== */

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-secondary);
    background-color: var(--color-background);

    /* Concrete Texture Background - Using actual image from assets/images/concrete.jpg */
    background-image: url('../images/concrete.jpg');

    /* 100vw width, vertically stacked seamlessly, scrolls with page */
    background-repeat: repeat;
    background-size: 100vw auto;
    background-attachment: scroll;
    background-position: top center;

    /* Minimum height */
    min-height: 100vh;

    /* Anti-aliasing */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Dark overlay to improve text readability and hide texture seams */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* Dark semi-transparent overlay - makes background darker and hides seams */
    background: rgba(30, 30, 30, 0.55);
    z-index: 0;
}

/* Ensure all content sits above the overlay */
body > * {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

h6 {
    font-size: var(--font-size-md);
}

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

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

a:hover,
a:focus {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

strong, b {
    font-weight: 700;
    color: var(--color-text-primary);
}

em, i {
    font-style: italic;
}

/* ==========================================================================
   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);
}

.container-wide {
    max-width: var(--container-wide);
}

.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-main {
    flex: 1;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.header-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Logo / Site Branding */
.site-branding {
    margin-bottom: var(--spacing-md);
}

.site-logo {
    display: inline-block;
    text-decoration: none;
}

.site-logo:hover {
    text-decoration: none;
}

.logo-image,
.site-logo .custom-logo {
    max-width: 350px;
    height: auto;
    margin: 0 auto;
}

.site-title {
    font-family: var(--font-serif);
    font-size: var(--font-size-4xl);
    font-weight: 400;
    letter-spacing: 0.02em;
    margin-bottom: var(--spacing-sm);
}

.site-title a {
    color: var(--color-text-primary);
    text-decoration: none;
}

.site-title a:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

/* Decoratief lijnelement */
.logo-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.logo-decoration .line {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-text-muted), transparent);
}

.logo-decoration .brush-icon {
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Tagline */
.site-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: var(--font-size-md);
    color: var(--color-accent);
    margin: 0;
}

/* Navigation */
.main-navigation {
    margin-top: var(--spacing-md);
}

.primary-menu {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.primary-menu li {
    position: relative;
}

.primary-menu a {
    display: block;
    padding: var(--spacing-xs) 0;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.primary-menu a:hover,
.primary-menu .current-menu-item > a,
.primary-menu .current_page_item > a {
    color: var(--color-accent);
}

/* Dropdown menus for sub-menu items */
.primary-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-background-dark);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--spacing-xs) 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: var(--z-dropdown);
}

.primary-menu li:hover > .sub-menu,
.primary-menu li:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
}

.primary-menu .sub-menu li {
    position: relative;
}

.primary-menu .sub-menu a {
    display: block;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-text-secondary);
    text-transform: none;
    letter-spacing: normal;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.primary-menu .sub-menu a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-accent);
}

/* Dropdown arrow indicator */
.primary-menu .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    vertical-align: middle;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
}

/* Nested sub-menus (level 3+) */
.primary-menu .sub-menu .sub-menu {
    top: 0;
    left: 100%;
    transform: translateX(0);
}

.primary-menu .sub-menu .menu-item-has-children > a::after {
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    border-left: 4px solid currentColor;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    margin-top: auto;
    padding-top: var(--spacing-2xl);
}

.footer-main {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-column p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-loose);
}

.footer-menu {
    list-style: none;
}

.footer-menu li {
    margin-bottom: var(--spacing-xs);
}

.footer-menu a {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Contact Info */
.contact-info {
    font-style: normal;
}

.contact-info p {
    margin-bottom: var(--spacing-xs);
}

.contact-info .company-name {
    font-weight: 600;
    color: var(--color-text-primary);
}

.contact-info a {
    color: var(--color-text-muted);
}

.contact-info a:hover {
    color: var(--color-accent);
}

/* Footer Bottom */
.footer-bottom {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.copyright a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.copyright a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn,
button[type="submit"],
input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

/* Primary Button */
.btn-primary,
button[type="submit"],
input[type="submit"] {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
    border-color: var(--color-accent);
}

.btn-primary:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: var(--color-text-primary);
    text-decoration: none;
}

/* Secondary Button */
.btn-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-text-primary);
    text-decoration: none;
}

/* ==========================================================================
   Forms
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--color-border-light);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ==========================================================================
   Images
   ========================================================================== */

img {
    max-width: 100%;
    height: auto;
    display: block;
    /* GEEN border-radius - vereiste van het design */
    border-radius: 0;
}

figure {
    margin: 0;
}

figcaption {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-text-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-3px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.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;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: var(--color-background);
    clip: auto !important;
    clip-path: none;
    color: var(--color-text-primary);
    display: block;
    font-size: var(--font-size-base);
    height: auto;
    left: 5px;
    line-height: normal;
    padding: var(--spacing-sm);
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

.text-center {
    text-align: center;
}

.text-accent {
    color: var(--color-accent);
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ==========================================================================
   Responsive - Mobile First
   ========================================================================== */

/* Small devices (landscape phones, 576px and up) */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2.25rem;
        --font-size-3xl: 1.875rem;
        --font-size-2xl: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .footer-column {
        padding-bottom: var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
    }

    .footer-column:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    /* Mobile Navigation */
    .menu-toggle {
        display: block;
        position: absolute;
        top: var(--spacing-lg);
        right: var(--container-padding);
    }

    .main-navigation {
        display: none;
        width: 100%;
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-border);
    }

    .main-navigation.is-open {
        display: block;
    }

    .primary-menu {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .primary-menu a {
        padding: var(--spacing-sm) 0;
    }

    /* Mobile dropdown menus */
    .primary-menu .sub-menu {
        position: static;
        transform: none;
        background-color: transparent;
        border: none;
        box-shadow: none;
        min-width: auto;
        padding: 0;
        opacity: 1;
        visibility: visible;
        display: none;
        margin-top: var(--spacing-xs);
    }

    .primary-menu li.menu-item-has-children.is-open > .sub-menu {
        display: block;
    }

    .primary-menu .sub-menu a {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .primary-menu .menu-item-has-children > a::after {
        transition: transform var(--transition-fast);
    }

    .primary-menu .menu-item-has-children.is-open > a::after {
        transform: rotate(180deg);
    }

    /* Hamburger animation when open */
    .menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .header-inner {
        position: relative;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 769px) and (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-column:last-child {
        grid-column: span 2;
        text-align: center;
    }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1025px) {
    .site-title {
        font-size: var(--font-size-5xl);
    }
}

/* Print styles */
@media print {
    body {
        background: white;
        color: black;
    }

    .site-header,
    .site-footer,
    .back-to-top {
        display: none;
    }
}