/* ============================================
   OK1TRL - Retro TUI/BBS Terminal Styling
   Reminiscent of packet radio and BBS era
   ============================================ */

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

:root {
    /* Terminal Color Palette */
    --terminal-bg: #000000;
    --terminal-bg-alt: #0a0a0a;
    --terminal-text: #e0e0e0;
    --terminal-text-bright: #ffffff;
    --terminal-amber: #FFBF00;
    --terminal-amber-bright: #FF9500;
    --terminal-border: #333333;
    --terminal-green: #00ff00;

    /* Monospace Font Stack */
    --mono-font: 'Consolas', 'Courier New', 'Monaco', 'Lucida Console', monospace;
}

body {
    font-family: var(--mono-font);
    line-height: 1.6;
    color: var(--terminal-text);
    background-color: var(--terminal-bg);
    position: relative;
}

/* Optional CRT Scan-line Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    z-index: 9999;
}

/* Subtle phosphor glow effect */
body {
    text-shadow: 0 0 1px rgba(224, 224, 224, 0.3);
}

/* Global Link Styles */
a {
    color: var(--terminal-amber);
    text-decoration: underline;
}

a:hover,
a:focus {
    background-color: var(--terminal-amber);
    color: var(--terminal-bg);
    text-decoration: none;
}

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

/* ============================================
   Header/Hero Section - Terminal Banner
   ============================================ */
.hero {
    background-color: var(--terminal-bg);
    color: var(--terminal-text-bright);
    padding: 40px 20px 30px;
    text-align: center;
    border-bottom: 2px solid var(--terminal-border);
}

.callsign {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    margin-bottom: 15px;
    color: var(--terminal-text-bright);
    text-shadow: 0 0 10px rgba(255, 191, 0, 0.5);
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--terminal-amber);
}

.location {
    font-size: 0.9rem;
    color: var(--terminal-text);
}

/* ============================================
   Navigation - Terminal Command Bar
   ============================================ */
.main-nav {
    background-color: var(--terminal-bg-alt);
    border-bottom: 1px solid var(--terminal-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

.main-nav li {
    margin: 0;
}

.main-nav a {
    display: block;
    padding: 12px 20px;
    color: var(--terminal-text);
    text-decoration: none;
    font-weight: 400;
    transition: none;
    border-right: 1px solid var(--terminal-border);
}

.main-nav li:last-child a {
    border-right: none;
}

.main-nav a:hover,
.main-nav a:focus {
    background-color: var(--terminal-amber);
    color: var(--terminal-bg);
}

/* Hamburger Menu Controls */
.menu-toggle {
    display: none;
}

.menu-toggle-label {
    display: none;
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: 50px 20px;
    border-bottom: 1px solid var(--terminal-border);
}

.section.alt-bg {
    background-color: var(--terminal-bg-alt);
}

.section h2 {
    font-size: 2rem;
    color: var(--terminal-amber);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.section h2::before {
    content: '> ';
    color: var(--terminal-amber-bright);
}

.section h3 {
    font-size: 1.3rem;
    color: var(--terminal-text-bright);
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: 700;
}

.section h3::before {
    content: '>> ';
    color: var(--terminal-amber);
}

/* ============================================
   Content Boxes - Terminal Windows
   ============================================ */
.content-box {
    background-color: var(--terminal-bg);
    padding: 25px;
    border: 1px solid var(--terminal-border);
    max-width: 900px;
    margin: 0 auto;
}

.section.alt-bg .content-box {
    background-color: var(--terminal-bg);
    border: 1px solid var(--terminal-border);
}

.content-box p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: var(--terminal-text);
}

.content-box a {
    color: var(--terminal-amber);
    text-decoration: underline;
}

.content-box a:hover,
.content-box a:focus {
    background-color: var(--terminal-amber);
    color: var(--terminal-bg);
    text-decoration: none;
}

/* Date Styling - Terminal Timestamp */
.date {
    color: var(--terminal-amber);
    font-weight: 700;
}

.date::before {
    content: '[';
}

.date::after {
    content: ']';
}

/* ============================================
   Ordered Lists in Content
   ============================================ */
.content-box ol {
    padding-left: 1.5em;
    margin: 15px 0;
}

.content-box ol li {
    padding: 6px 0;
}

/* ============================================
   Equipment List - Terminal Readout
   ============================================ */
.equipment-list {
    list-style: none;
    padding-left: 0;
    margin: 15px 0;
}

.equipment-list li {
    padding: 8px 0;
    border-bottom: 1px dotted var(--terminal-border);
    color: var(--terminal-text);
}

.equipment-list li::before {
    content: '* ';
    color: var(--terminal-amber);
}

.equipment-list li:last-child {
    border-bottom: none;
}

.equipment-list strong {
    color: var(--terminal-text-bright);
}

/* ============================================
   Projects
   ============================================ */
.project {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--terminal-border);
}

.project:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.project h3 {
    margin-top: 0;
}

.project p {
    color: var(--terminal-text);
}

.project a {
    color: var(--terminal-amber);
    text-decoration: underline;
}

.project a:hover,
.project a:focus {
    background-color: var(--terminal-amber);
    color: var(--terminal-bg);
    text-decoration: none;
}

/* ============================================
   Contact Info & Links
   ============================================ */
.contact-info p {
    margin-bottom: 12px;
    color: var(--terminal-text);
}

.contact-info strong {
    color: var(--terminal-text-bright);
}

.contact-info a {
    color: var(--terminal-amber);
    text-decoration: underline;
    word-break: break-all;
}

.contact-info a:hover,
.contact-info a:focus {
    color: var(--terminal-amber-bright);
    background-color: var(--terminal-amber);
    color: var(--terminal-bg);
    text-decoration: none;
}

.qsl-info {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--terminal-border);
}

/* ============================================
   Footer
   ============================================ */
footer {
    background-color: var(--terminal-bg);
    color: var(--terminal-text);
    text-align: center;
    padding: 30px 20px;
    margin-top: 0;
    border-top: 2px solid var(--terminal-border);
}

footer p {
    margin: 5px 0;
    color: var(--terminal-amber);
}

.footer-note {
    font-size: 0.85rem;
    color: var(--terminal-text);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .callsign {
        font-size: 2rem;
        letter-spacing: 0.15em;
    }

    .tagline {
        font-size: 1rem;
    }

    /* Enable positioning for hamburger button */
    .main-nav .container {
        position: relative;
    }

    /* Show and style hamburger button */
    .menu-toggle-label {
        display: block;
        cursor: pointer;
        padding: 12px 15px;
        color: var(--terminal-text);
        background-color: transparent;
        border: 1px solid var(--terminal-border);
        text-align: center;
        user-select: none;
        width: fit-content;
        margin: 10px auto;
    }

    .menu-toggle-label:hover,
    .menu-toggle-label:focus {
        background-color: var(--terminal-amber);
        color: var(--terminal-bg);
    }

    /* Icon visibility logic */
    .menu-icon {
        display: inline;
    }

    .menu-close {
        display: none;
    }

    /* Swap icons when menu is open */
    .menu-toggle:checked ~ .menu-toggle-label .menu-icon {
        display: none;
    }

    .menu-toggle:checked ~ .menu-toggle-label .menu-close {
        display: inline;
    }

    /* Hide menu by default */
    .main-nav .menu-list {
        display: none;
        flex-direction: column;
        align-items: stretch;
    }

    /* Show menu when checkbox is checked */
    .menu-toggle:checked ~ .menu-list {
        display: flex;
    }

    /* Style menu items */
    .main-nav .menu-list a {
        text-align: center;
        padding: 10px 15px;
        border-right: none;
        border-bottom: 1px solid var(--terminal-border);
    }

    .main-nav .menu-list li:last-child a {
        border-bottom: none;
    }

    .section {
        padding: 35px 15px;
    }

    .section h2 {
        font-size: 1.5rem;
    }

    .content-box {
        padding: 18px;
    }
}

@media (max-width: 480px) {
    .callsign {
        font-size: 1.6rem;
    }

    .section h2 {
        font-size: 1.3rem;
    }

    .section h3 {
        font-size: 1.1rem;
    }

    body {
        font-size: 0.95rem;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    body::before {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .hero {
        background: var(--terminal-bg);
        border-bottom: 2px solid #000;
    }

    .section {
        page-break-inside: avoid;
    }
}

/* ============================================
   Accessibility - High Contrast Mode
   ============================================ */
@media (prefers-contrast: high) {
    :root {
        --terminal-text: #ffffff;
        --terminal-border: #666666;
    }
}