/* ============================================
   TECHNETIA.ORG | Information Site Stylesheet
   Color theme: Navy (#0B1D3A) + Red (#C42020)
   ============================================ */

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

:root {
    --color-bg: #0a0a0f;
    --color-surface: #111118;
    --color-surface-alt: #16161f;
    --color-border: #2a2a35;
    --color-text: #e2e2e8;
    --color-text-muted: #888899;
    --color-primary: #0B1D3A;
    --color-primary-light: #1a3a6a;
    --color-accent: #C42020;
    --color-accent-hover: #e02828;
    --color-white: #ffffff;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --max-width: 1100px;
}

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

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.narrow {
    max-width: 900px;
}

/* Wider containers for battlefields and champions */
.wide {
    max-width: var(--max-width);
}

/* ---------- Language Bar ---------- */
.lang-bar {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 100;
    padding: 0.75rem 1.5rem;
    background: rgba(10, 10, 15, 0.9);
    border-bottom: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
}

.lang-switch {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
}

.lang-switch.active {
    color: var(--color-white);
}

.lang-switch:hover {
    color: var(--color-accent);
}

.lang-sep {
    color: var(--color-border);
    margin: 0 0.25rem;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-white);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-small {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--color-accent);
    border-radius: 3px;
    color: var(--color-accent);
    transition: all 0.2s;
}

.btn-small:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* ---------- Home Page ---------- */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 2rem;
    letter-spacing: 0.05em;
    color: var(--color-white);
}

/* ---------- Contest Page ---------- */
.page-contest {
    padding-top: 3rem;
}

/* Contest Hero */
.contest-hero {
    padding: 3rem 0 2rem;
    text-align: center;
}

.contest-logo {
    max-width: 100px;
    margin-bottom: 1.5rem;
}

.contest-title {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.contest-subtitle {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.contest-languages {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.contest-tagline {
    font-size: 1.05rem;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.contest-tagline-bold {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 2rem;
}

.contest-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.contest-deadline {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.03em;
}

/* Sections */
.section {
    padding: 2rem 0;
}

.section-alt {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section h2 {
    font-size: 1.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-accent);
}

/* Battlefields */
.battlefields-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.battlefield h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.toolkit-list {
    list-style: none;
    padding: 0;
}

.toolkit-list li {
    padding: 0.3rem 0;
    color: var(--color-text);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border);
}

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

/* Challenge */
.challenge-subtitle {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.challenge-tagline {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

/* Rules */
.rules-list {
    list-style: none;
    padding: 0;
}

.rules-list li {
    padding: 0.6rem 0 0.6rem 1.5rem;
    position: relative;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.rules-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Measurements */
.measurements-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.measurements-list li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--color-text);
}

.measurements-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85rem;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Champions */
.champions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.champion-card {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 1.25rem;
}

.champion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.champion-lang {
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--color-white);
    text-transform: uppercase;
}

.champion-toolkit {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
}

.champion-status {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    min-height: 2.5rem;
}

.champions-cta {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-top: 1.5rem;
}

/* Form */
.contest-form {
    margin-top: 1.5rem;
}

.form-fieldset {
    border: none;
    padding: 0;
    margin-bottom: 1.5rem;
}

.form-fieldset label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--color-white);
}

.form-fieldset input[type="text"],
.form-fieldset input[type="email"],
.form-fieldset input[type="url"],
.form-fieldset select,
.form-fieldset textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-sans);
    transition: border-color 0.2s;
}

.form-fieldset input:focus,
.form-fieldset select:focus,
.form-fieldset textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-help {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 0.4rem;
}

.form-checks {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-weight: 400 !important;
    color: var(--color-text) !important;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
    accent-color: var(--color-accent);
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

.form-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 2rem 0 1.5rem;
}

.form-errors {
    background: rgba(196, 32, 32, 0.1);
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.form-errors p {
    color: var(--color-accent);
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.form-errors p:last-child {
    margin-bottom: 0;
}

/* Upload */
.upload-area {
    margin-top: 0.5rem;
}

.upload-label {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--color-surface-alt);
    border: 1px dashed var(--color-border);
    border-radius: 4px;
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-label:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.upload-input {
    display: none;
}

.upload-formats {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

/* Submit button */
.btn-submit {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* Confirmation */
.submission-confirmation {
    background: rgba(10, 180, 100, 0.1);
    border: 1px solid #0ab464;
    border-radius: 6px;
    padding: 2rem;
    text-align: center;
}

.submission-confirmation h3 {
    color: #0ab464;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.submission-confirmation p {
    color: var(--color-text);
}

/* Methodology */
.methodology-links {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.methodology-links li {
    padding: 0.4rem 0;
}

.methodology-links a {
    color: var(--color-text);
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.1rem;
}

.methodology-links a:hover {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
}

.methodology-public {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: 2rem;
}

.methodology-final {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-top: 1rem;
}

/* Footer */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0 1.5rem;
    margin-top: auto;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3,
.footer-col h4 {
    color: var(--color-white);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.footer-col p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-col a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-col a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 600px) {
    .contest-title {
        font-size: 1.75rem;
    }

    .contest-subtitle {
        font-size: 0.9rem;
    }

    .contest-ctas {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .battlefields-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .champions-grid {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr;
    }

    .measurements-list {
        grid-template-columns: 1fr;
    }
}