/* ===============================================
   UK Casino Comparison Website
   Clean Blue/White Professional Design
   =============================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Color Palette - Professional Blue/White Theme */
    --color-primary-brand: #0D47A1;        /* Deep Blue */
    --color-primary-accent: #28A745;       /* Action Green */
    --color-background: #FFFFFF;           /* Pure White */
    --color-secondary-bg: #F8F9FA;         /* Light Grey */
    --color-primary-text: #212529;         /* Dark Grey */
    --color-secondary-text: #6C757D;       /* Medium Grey */
    --color-border: #DEE2E6;               /* Light Grey */
    --color-danger: #DC3545;               /* Red for warnings */
    --color-success: #28A745;              /* Green for success */
    --color-warning: #FFC107;              /* Yellow for caution */
    
    /* Typography */
    --font-headings: 'Poppins', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing Scale */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Container */
    --container-max-width: 1200px;
    
    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-light: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 8px 16px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.3s ease-in-out;
}

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-primary-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

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

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 600;
    letter-spacing: -0.5px;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 600;
}

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

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

a:hover {
    color: #1565C0;
    text-decoration: underline;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

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

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

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

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background-color: var(--color-primary-brand);
    color: white;
    padding: 8px 12px;
    z-index: 1001;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
}

.skip-link:focus {
    top: 6px;
}

/* ===============================================
   Button Components
   =============================================== */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-family: var(--font-headings);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: 2px solid;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: #218838;
    border-color: #218838;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    text-decoration: none;
    color: white;
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary-brand);
    border-color: var(--color-primary-brand);
}

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

/* ===============================================
   Header & Navigation
   =============================================== */

.header {
    background-color: white;
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.nav {
    padding: var(--spacing-sm) 0;
}

.nav__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo .logo {
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-brand);
    text-decoration: none;
}

.nav__logo .logo:hover {
    color: #1565C0;
    text-decoration: none;
}

.nav__menu {
    display: flex;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--color-primary-text);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition-fast);
}

.nav__link:hover {
    color: var(--color-primary-brand);
    text-decoration: none;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
    padding: var(--spacing-xs);
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary-text);
    transition: var(--transition-fast);
}

/* ===============================================
   Hero Section
   =============================================== */

.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: var(--spacing-xxl) 0 var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
}

.hero__title {
    color: var(--color-primary-brand);
    margin-bottom: var(--spacing-md);
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-secondary-text);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===============================================
   Compliance Banner
   =============================================== */

.compliance-banner {
    background-color: #FFF3CD;
    border: 1px solid #FFEAA7;
    padding: var(--spacing-md) 0;
}

.compliance-banner__content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
    text-align: center;
}

.age-badge {
    background-color: var(--color-danger);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.compliance-banner__text {
    color: var(--color-primary-text);
    font-size: 0.95rem;
    max-width: 700px;
}

.compliance-banner__link {
    color: var(--color-primary-brand);
    font-weight: 600;
}

/* ===============================================
   Section Headers
   =============================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-header__title {
    color: var(--color-primary-brand);
    margin-bottom: var(--spacing-sm);
}

.section-header__subtitle {
    color: var(--color-secondary-text);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===============================================
   Casino Cards Section
   =============================================== */

.casinos {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-background);
}

.casinos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.casino-card {
    background-color: var(--color-secondary-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-medium);
    transition: var(--transition-medium);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.casino-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-heavy);
}

.casino-card--featured {
    border-color: var(--color-primary-accent);
    background: linear-gradient(135deg, var(--color-secondary-bg) 0%, #ffffff 100%);
}

.featured-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary-accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.casino-card__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.casino-card__logo {
    flex-shrink: 0;
}

.casino-logo {
    height: 60px;
    width: auto;
    max-width: 120px;
    border-radius: var(--border-radius-sm);
}

.casino-card__license {
    text-align: right;
}

.license-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: #EAF3E7;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    border: 1px solid #C8E6C9;
}

.license-badge__icon {
    height: 20px;
    width: auto;
}

.license-badge__text {
    color: #1E7E34;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.casino-card__body {
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.casino-card__name {
    margin-bottom: var(--spacing-md);
}

.casino-card__name-link {
    color: var(--color-primary-brand);
    text-decoration: none;
    font-size: 1.5rem;
}

.casino-card__name-link:hover {
    color: #1565C0;
    text-decoration: underline;
}

.casino-card__bonus {
    margin-bottom: var(--spacing-md);
}

.bonus-highlight {
    background: linear-gradient(135deg, var(--color-primary-accent) 0%, #34CE57 100%);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    text-align: center;
}

.bonus-highlight__text {
    font-size: 1.125rem;
    font-weight: 600;
}

.casino-card__features {
    margin-bottom: var(--spacing-md);
}

.features__title {
    color: var(--color-primary-text);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.features__list {
    margin: 0;
    padding: 0;
}

.features__item {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary-text);
    font-size: 0.95rem;
}

.features__item::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary-accent);
    font-weight: bold;
}

.casino-card__footer {
    margin-top: auto;
}

/* ===============================================
   Trust Section
   =============================================== */

.trust-section {
    background-color: var(--color-secondary-bg);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
}

.trust-section__title {
    text-align: center;
    color: var(--color-primary-brand);
    margin-bottom: var(--spacing-lg);
}

.trust-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.trust-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.trust-feature__icon {
    flex-shrink: 0;
}

.trust-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #EAF3E7;
    padding: 10px;
}

.trust-feature__title {
    color: var(--color-primary-text);
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.trust-feature__text {
    color: var(--color-secondary-text);
    font-size: 0.9rem;
    margin: 0;
}

/* ===============================================
   Responsible Gambling Section
   =============================================== */

.responsible-gambling {
    background-color: var(--color-secondary-bg);
    padding: var(--spacing-xxl) 0;
}

.responsible-gambling__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.rg-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border);
}

.rg-card__title {
    color: var(--color-primary-brand);
    margin-bottom: var(--spacing-md);
}

.rg-guidelines {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.rg-guideline {
    padding: var(--spacing-md);
    background-color: #F0F8F4;
    border-left: 4px solid var(--color-primary-accent);
    border-radius: var(--border-radius-sm);
}

.rg-guideline strong {
    color: var(--color-primary-accent);
}

.rg-support__text {
    margin-bottom: var(--spacing-md);
}

.support-contacts {
    background-color: var(--color-secondary-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
}

.support-contact {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.support-phone {
    color: var(--color-primary-brand);
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

.support-phone:hover {
    color: #1565C0;
    text-decoration: underline;
}

.support-hours {
    color: var(--color-secondary-text);
    font-size: 0.875rem;
}

.support-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.support-link {
    color: var(--color-primary-brand);
    font-weight: 600;
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-primary-brand);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.support-link:hover {
    background-color: var(--color-primary-brand);
    color: white;
    text-decoration: none;
}

.rg-tools {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border);
    text-align: center;
}

.rg-tools__title {
    color: var(--color-primary-brand);
    margin-bottom: var(--spacing-md);
}

.rg-tools__text {
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary-text);
}

.gamstop-info {
    background-color: #E3F2FD;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--color-primary-brand);
}

.gamstop-link {
    color: var(--color-primary-brand);
    font-weight: 600;
}

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

.footer {
    background-color: var(--color-primary-brand);
    color: white;
    padding: var(--spacing-xxl) 0 var(--spacing-lg) 0;
}

.footer__content {
    text-align: center;
}

.footer__compliance {
    margin-bottom: var(--spacing-xl);
}

.footer__compliance-title {
    color: white;
    margin-bottom: var(--spacing-lg);
}

.compliance-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.compliance-logo {
    display: block;
    padding: var(--spacing-sm);
    background-color: white;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.compliance-logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
    text-decoration: none;
}

.compliance-logo__image {
    height: 40px;
    width: auto;
    max-width: 120px;
}

.footer__legal {
    max-width: 800px;
    margin: 0 auto;
}

.footer__disclaimer {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.9);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
}

.footer__link:hover {
    color: white;
    text-decoration: underline;
}

.footer__copyright {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* ===============================================
   Responsive Design
   =============================================== */

/* Tablet */
@media (max-width: 1024px) {
    .casinos__grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .trust-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 48px;
        --spacing-xl: 32px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Mobile Navigation */
    .nav__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-medium);
    }
    
    .nav__menu.active {
        display: block;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    /* Mobile Hero */
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    /* Mobile Compliance Banner */
    .compliance-banner__content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .age-badge {
        width: 40px;
        height: 40px;
        font-size: 0.875rem;
    }
    
    /* Mobile Casino Cards */
    .casinos__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .casino-card__header {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
        text-align: center;
    }
    
    .casino-card__license {
        text-align: center;
    }
    
    /* Mobile Responsible Gambling */
    .responsible-gambling__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .rg-card {
        padding: var(--spacing-md);
    }
    
    .support-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Mobile Footer */
    .compliance-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .footer__links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .section-header__title {
        font-size: 1.75rem;
    }
    
    .compliance-logos {
        grid-template-columns: 1fr;
    }
    
    .casino-logo {
        height: 50px;
    }
    
    .compliance-logo__image {
        height: 35px;
    }
}

/* ===============================================
   Print Styles
   =============================================== */

@media print {
    .nav__toggle,
    .btn {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .casino-card,
    .rg-card {
        border: 1px solid #ccc;
        background-color: white;
        box-shadow: none;
    }
    
    .footer {
        background-color: white;
        color: black;
        border-top: 2px solid #ccc;
    }
}

/* ===============================================
   Accessibility & Focus Styles
   =============================================== */

/* Enhanced focus styles */
.btn:focus,
.nav__link:focus,
.compliance-logo:focus,
.casino-card__name-link:focus,
.support-link:focus {
    outline: 3px solid var(--color-primary-brand);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-primary-brand: #000080;
        --color-primary-text: #000000;
        --color-background: #ffffff;
        --color-border: #000000;
    }
}

/* End of CSS */