/* Couleurs et formes reprises du thème Volcano du site. */
:root {
    --primary: #e83000;
    --primary-rgb: 232, 48, 0;
    --secondary: #d01f00;
    --accent: #ff8c42;
    --background: #0e0a0a;
    --surface: #1c1211;
    --surface-alt: #211615;
    --text: #ede0d8;
    --muted: #9a8e84;
    color-scheme: dark;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--background);
    background-image: radial-gradient(ellipse 120% 60% at 50% 100%, rgba(208, 31, 0, 0.12) 0%, transparent 70%);
    color: var(--text);
    font-family: "Rubik", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

code {
    padding: 2px 6px;
    background: var(--background);
    color: var(--accent);
    font-size: 0.9em;
    overflow-wrap: anywhere;
}

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

/* En-tête */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 24px;
    background: var(--surface);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.35);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 700;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
}

.header-link {
    color: var(--text);
    text-decoration: none;
}

.header-link:hover {
    color: var(--accent);
}

/* Bandeau */
.hero {
    padding: 72px 16px;
    text-align: center;
}

.hero h1 {
    margin: 0 0 16px;
    font-size: clamp(32px, 7vw, 64px);
    font-weight: 700;
    line-height: 1.1;
}

.hero-sub {
    margin: 0 0 36px;
    color: var(--accent);
    font-size: clamp(14px, 2.5vw, 18px);
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border: 0;
    color: var(--text);
    cursor: pointer;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    transition: filter 0.2s ease-in-out;
}

.btn:hover {
    filter: brightness(1.2);
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 60%, var(--accent) 100%);
    clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
}

.btn-link {
    padding: 0;
    border: 0;
    background: none;
    color: var(--accent);
    cursor: pointer;
    font: inherit;
    text-decoration: underline;
}

/* Contenu */
.container {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 0 16px 64px;
    flex: 1;
}

.panel {
    padding: 32px;
    background: var(--surface-alt);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    border-top: 2px solid var(--primary);
}

.section-title {
    margin: 0 0 12px;
    font-size: 28px;
    line-height: 1.2;
}

.panel-intro {
    margin: 0 0 24px;
    color: var(--muted);
}

.steps {
    margin: 24px 0;
    padding-left: 24px;
}

.steps > li {
    margin-bottom: 20px;
    padding-left: 4px;
}

.steps > li::marker {
    color: var(--accent);
    font-weight: 700;
}

.download-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.download-link {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    color: var(--text);
    overflow-wrap: anywhere;
    text-decoration: none;
    transition: border-color 0.2s ease-in-out;
}

.download-link:hover {
    border-color: var(--accent);
}

.download-link strong {
    color: var(--accent);
}

.download-link span {
    color: var(--muted);
    font-size: 14px;
}

.download-link.is-recommended {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.12);
}

.downloads-closed {
    margin: 0;
    padding: 12px 16px;
    background: var(--surface);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    color: var(--accent);
    font-weight: 700;
    text-align: center;
}

.paths {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
}

.paths li {
    margin-bottom: 6px;
}

.paths span {
    display: inline-block;
    min-width: 76px;
    color: var(--muted);
}

.subsection-title {
    margin: 32px 0 8px;
    font-size: 20px;
    line-height: 1.3;
}

.launcher-guide {
    margin-bottom: 10px;
    background: var(--surface);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
}

.launcher-guide summary {
    padding: 14px 16px;
    color: var(--accent);
    cursor: pointer;
    font-weight: 700;
}

.launcher-guide .steps {
    margin: 4px 16px 16px;
}

.launcher-guide .steps > li {
    margin-bottom: 10px;
}

.guide-note {
    margin: 0;
    padding: 0 16px 16px;
    color: var(--muted);
    font-size: 14px;
}

.launcher-guide + .btn-link {
    margin-top: 16px;
}

.site-footer {
    padding: 20px 16px;
    background: var(--surface);
    border-top: 1px solid rgba(var(--primary-rgb), 0.35);
    color: var(--muted);
    text-align: center;
}

/* Popup */
.choice-dialog {
    width: min(620px, calc(100vw - 32px));
    max-height: calc(100vh - 32px);
    padding: 32px;
    background: var(--surface-alt);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    border-top: 2px solid var(--primary);
    color: var(--text);
}

.choice-dialog::backdrop {
    background: rgba(0, 0, 0, 0.75);
}

.choice-dialog h2 {
    margin: 0 32px 8px 0;
    font-size: 24px;
    line-height: 1.25;
}

.choice-dialog p {
    margin: 0 0 24px;
    color: var(--muted);
}

.dialog-close {
    position: absolute;
    top: 12px;
    right: 14px;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 28px;
    line-height: 1;
}

.dialog-close:hover {
    color: var(--text);
}

.choices {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.choice {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 24px 18px;
    background: var(--surface);
    border: 1px solid rgba(var(--primary-rgb), 0.35);
    color: var(--muted);
    cursor: pointer;
    font: inherit;
    font-size: 14px;
    text-align: left;
    transition: border-color 0.2s ease-in-out, background-color 0.2s ease-in-out;
}

.choice:hover {
    border-color: var(--accent);
    background: rgba(var(--primary-rgb), 0.12);
}

.choice strong {
    color: var(--text);
    font-size: 18px;
}

.choice-badge {
    align-self: flex-start;
    padding: 1px 8px;
    background: var(--primary);
    color: var(--text);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

@media (max-width: 560px) {
    .hero {
        padding: 48px 16px;
    }

    .panel,
    .choice-dialog {
        padding: 24px 16px;
    }

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

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}