/* 5G Coverage Australia - Design System */

/* Color Palette */
:root {
    --white: #ffffff;
    --charcoal: #2c2c2c;
    --soft-red: #d9534f;
    --light-grey: #f5f5f5;
    --medium-grey: #e0e0e0;
    --dark-grey: #666666;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--charcoal);
    background-color: var(--white);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--charcoal);
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
}

h4 {
    font-size: 1.25rem;
    margin-top: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

/* Links */
a {
    color: var(--soft-red);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #c9302c;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--white);
    border-bottom: 2px solid var(--medium-grey);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--charcoal);
}

/* Navigation */
nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--charcoal);
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

nav a:hover,
nav a.active {
    color: var(--soft-red);
    border-bottom-color: var(--soft-red);
}

/* Mobile Navigation Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
main {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

/* Sections */
section {
    margin-bottom: 3rem;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--medium-grey);
    margin: 3rem 0;
}

/* Content Blocks */
.intro-block {
    background-color: var(--light-grey);
    padding: 2rem;
    border-left: 4px solid var(--soft-red);
    margin: 2rem 0;
}

.content-block {
    margin-bottom: 2rem;
}

/* Lists */
ul, ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

th, td {
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--medium-grey);
}

th {
    background-color: var(--light-grey);
    font-weight: 600;
}

/* Disclaimers */
.disclaimer {
    background-color: var(--light-grey);
    padding: 1.5rem;
    margin: 2rem 0;
    font-size: 0.9rem;
    border-left: 4px solid var(--charcoal);
}

.disclaimer strong {
    color: var(--charcoal);
}

/* Footer */
footer {
    background-color: var(--charcoal);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-disclaimer {
    font-size: 0.85rem;
    line-height: 1.5;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.footer-nav {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.footer-nav a {
    color: var(--white);
    font-size: 0.9rem;
}

.footer-nav a:hover {
    color: var(--soft-red);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 2rem 0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--medium-grey);
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--soft-red);
}

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

.form-disclaimer {
    font-size: 0.85rem;
    color: var(--dark-grey);
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--light-grey);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 1rem;
    }
    
    nav {
        display: none;
        flex-direction: column;
        gap: 0;
        width: 100%;
        margin-top: 1rem;
    }
    
    nav.show {
        display: flex;
    }
    
    nav a {
        padding: 1rem 0;
        border-bottom: 1px solid var(--medium-grey);
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* Print Styles */
@media print {
    header,
    footer,
    .menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    main {
        padding: 0;
    }
}