/* ==========================================================================
   Sursaut · identité sombre et nerveuse, une couleur par épreuve
   ========================================================================== */

:root {
    color-scheme: dark;

    --bg: #0c0b12;
    --bg-deep: #07060b;
    --surface: #15141f;
    --surface-2: #1d1c2b;
    --line: #2b2a3f;
    --ink: #f4f1ff;
    --muted: #a3a0bb;
    --brand: #d4ff3a;
    --brand-ink: #10120a;

    --feinte: #ff4f9a;
    --contretemps: #ffb43a;
    --penombre: #8a98ff;
    --tympan: #34e3c9;

    --good: #7dffa8;
    --mid: #ffd166;
    --bad: #ff6b7a;

    --radius: 18px;
    --radius-small: 12px;
    --font-display: 'Bricolage Grotesque', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, Consolas, monospace;
}

[data-game="feinte"] { --accent: var(--feinte); }
[data-game="contretemps"] { --accent: var(--contretemps); }
[data-game="penombre"] { --accent: var(--penombre); }
[data-game="tympan"] { --accent: var(--tympan); }

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img,
svg {
    display: block;
    max-width: 100%;
}

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

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--font-display);
    line-height: 1.08;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.7rem, 3.4vw, 2.5rem);
    font-weight: 800;
}

h3 {
    font-size: 1.3rem;
    font-weight: 800;
}

p {
    margin: 0;
}

code,
pre {
    font-family: var(--font-mono);
}

:focus-visible {
    outline: 3px solid var(--brand);
    outline-offset: 3px;
}

.container {
    width: min(1160px, 100% - 32px);
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 100;
    padding: 0.6rem 1rem;
    border-radius: 999px;
    background: var(--brand);
    color: var(--brand-ink);
    font-weight: 600;
}

.skip-link:focus {
    top: 12px;
}

.eyebrow {
    margin-bottom: 0.75rem;
    color: var(--brand);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

[data-game] .eyebrow {
    color: var(--accent);
}

.lede {
    color: var(--muted);
    font-size: 1.15rem;
}

/* --- Boutons ----------------------------------------------------------- */

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 48px;
    padding: 0.7rem 1.4rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface-2);
    color: var(--ink);
    font: 600 1rem var(--font-body);
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.button:hover {
    border-color: color-mix(in srgb, var(--brand) 50%, var(--line));
}

.button:active {
    transform: scale(0.97);
}

.button:disabled {
    cursor: wait;
    opacity: 0.6;
}

.button-primary {
    border-color: transparent;
    background: var(--brand);
    color: var(--brand-ink);
}

.button-primary:hover {
    border-color: transparent;
    background: #e4ff7a;
}

[data-game] .button-primary {
    background: var(--accent);
    color: #0b0a10;
}

.button-ghost {
    background: transparent;
}

.button-link {
    border-color: transparent;
    background: transparent;
    color: var(--muted);
}

.button-link:hover {
    border-color: transparent;
    color: var(--ink);
}

.button-small {
    min-height: 40px;
    padding: 0.45rem 1rem;
    font-size: 0.92rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

/* --- En-tête et pied de page ------------------------------------------ */

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg) 85%, transparent);
    backdrop-filter: blur(12px);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    min-height: 68px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--ink);
    font: 800 1.35rem var(--font-display);
    letter-spacing: -0.02em;
    text-decoration: none;
}

.logo-mark {
    width: 30px;
    height: 30px;
    fill: none;
    stroke: var(--brand);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2.6;
}

.site-nav {
    display: flex;
    gap: 1.4rem;
    margin-left: auto;
}

.site-nav a {
    color: var(--muted);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    color: var(--ink);
}

.header-tag {
    color: var(--brand);
    font-size: 0.9rem;
    font-weight: 600;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1.5rem;
    margin-top: 3rem;
    padding-block: 2rem;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.9rem;
}

.site-footer a {
    color: var(--ink);
}

/* --- Accueil : héros --------------------------------------------------- */

.hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(3.5rem, 8vw, 6.5rem);
    background:
        radial-gradient(60% 70% at 85% 20%, color-mix(in srgb, var(--feinte) 16%, transparent), transparent 70%),
        radial-gradient(50% 60% at 10% 90%, color-mix(in srgb, var(--tympan) 12%, transparent), transparent 70%);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 em {
    color: var(--brand);
    font-style: normal;
}

.hero .lede {
    max-width: 34rem;
    margin-top: 1.4rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.hero-note {
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.hero-visual {
    position: relative;
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-radius: 28px;
    background: linear-gradient(160deg, var(--surface-2), var(--bg-deep));
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
}

.pulse-line {
    width: 100%;
    height: 130px;
    overflow: visible;
}

.pulse-line path {
    fill: none;
    stroke: var(--brand);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 3;
    stroke-dasharray: 1100;
    stroke-dashoffset: 1100;
    filter: drop-shadow(0 0 8px color-mix(in srgb, var(--brand) 60%, transparent));
    animation: draw 3.2s cubic-bezier(0.6, 0, 0.2, 1) infinite;
}

@keyframes draw {
    0% { stroke-dashoffset: 1100; }
    55%,
    80% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -1100; }
}

.hero-chips {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.chip {
    display: grid;
    gap: 0.1rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--line);
    border-left: 3px solid var(--chip);
    border-radius: var(--radius-small);
    background: var(--surface);
}

.chip span {
    color: var(--muted);
    font-size: 0.85rem;
}

.chip strong {
    color: var(--chip);
    font: 700 1.5rem var(--font-mono);
}

.chip small {
    color: var(--muted);
    font-size: 0.8rem;
}

.chip-feinte { --chip: var(--feinte); }
.chip-contretemps { --chip: var(--contretemps); }
.chip-penombre { --chip: var(--penombre); }
.chip-tympan { --chip: var(--tympan); }

/* --- Sections ------------------------------------------------------------ */

.section {
    padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.section-alt {
    border-block: 1px solid var(--line);
    background: var(--bg-deep);
}

.section-lede {
    max-width: 44rem;
    margin-top: 1rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.game-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--line);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius);
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 8%, var(--surface)), var(--surface) 45%);
    transition: transform 0.15s ease, border-color 0.15s ease;
}

.game-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.game-card header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.game-emoji {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    font-size: 1.6rem;
}

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

.game-card > p {
    color: var(--muted);
    font-size: 0.95rem;
}

.game-card strong {
    color: var(--ink);
}

.game-phases {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: phase;
}

.game-phases li {
    padding: 0.2rem 0.6rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.78rem;
    counter-increment: phase;
}

.game-phases li::before {
    content: counter(phase) ". ";
    color: var(--accent);
}

.game-card footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
    padding-top: 0.5rem;
}

.game-card .button {
    border-color: transparent;
    background: var(--accent);
    color: #0b0a10;
}

.game-record {
    color: var(--muted);
    font-size: 0.88rem;
}

.game-record.has-record {
    color: var(--ink);
    font-family: var(--font-mono);
    font-weight: 700;
}

.daily-inner,
.profile-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.checks {
    display: grid;
    gap: 0.75rem;
    margin: 1.5rem 0 0;
    padding: 0;
    color: var(--muted);
    list-style: none;
}

.checks li {
    position: relative;
    padding-left: 1.75rem;
}

.checks li::before {
    content: "⚡";
    position: absolute;
    left: 0;
}

.checks strong {
    color: var(--ink);
}

.share-sample {
    margin: 1.5rem 0 0;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    border: 1px dashed var(--line);
    border-radius: var(--radius-small);
    background: var(--surface);
    color: var(--ink);
    font-size: 0.92rem;
    line-height: 1.7;
    white-space: pre-wrap;
}

.panel {
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.daily-status {
    display: grid;
    gap: 1rem;
    justify-items: start;
}

.daily-headline {
    display: grid;
    gap: 0.25rem;
    font-size: 1.15rem;
}

.daily-score {
    font: 700 3rem/1 var(--font-mono);
}

.daily-score small,
.result-note small {
    color: var(--muted);
    font-size: 0.4em;
}

.daily-title {
    color: var(--brand);
    font: 800 1.4rem var(--font-display);
}

.streak {
    color: var(--contretemps);
    font-weight: 600;
}

.profile-chart {
    max-width: 420px;
    justify-self: center;
    width: 100%;
}

.profile-empty {
    margin-top: 1rem;
    color: var(--muted);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 2.5rem;
}

.feature {
    padding: 1.4rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

.feature h3 {
    margin-bottom: 0.5rem;
    color: var(--brand);
    font-size: 1.1rem;
}

.feature p {
    color: var(--muted);
    font-size: 0.95rem;
}

.notice {
    padding: clamp(1.5rem, 4vw, 2.25rem);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
}

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

.notice ul {
    display: grid;
    gap: 0.6rem;
    margin: 1.25rem 0 0;
    padding-left: 1.2rem;
    color: var(--muted);
}

.notice strong {
    color: var(--ink);
}

/* --- Radar ----------------------------------------------------------------- */

.radar {
    width: 100%;
    height: auto;
    overflow: visible;
}

.radar-grid {
    fill: none;
    stroke: var(--line);
    stroke-width: 1;
}

.radar-axis {
    stroke: var(--line);
    stroke-width: 1;
}

.radar-shape {
    fill: color-mix(in srgb, var(--brand) 22%, transparent);
    stroke: var(--brand);
    stroke-linejoin: round;
    stroke-width: 2.5;
}

.radar-dot { stroke: var(--bg); stroke-width: 1.5; }
.radar-dot-feinte { fill: var(--feinte); }
.radar-dot-contretemps { fill: var(--contretemps); }
.radar-dot-penombre { fill: var(--penombre); }
.radar-dot-tympan { fill: var(--tympan); }

.radar-label {
    fill: var(--muted);
    font: 600 10px var(--font-body);
}

/* --- Pages de jeu : panneaux -------------------------------------------- */

.game-main {
    padding-block: clamp(2rem, 5vw, 3.5rem);
}

.intro,
.result,
.final,
.calibration,
.headphones {
    max-width: 760px;
    margin-inline: auto;
}

.intro h1 {
    font-size: clamp(2.2rem, 6vw, 3.4rem);
}

.intro .lede {
    margin-block: 0.75rem 1.25rem;
}

.intro-phases {
    display: grid;
    gap: 0.5rem;
    margin: 1.5rem 0;
    padding: 0;
    list-style: none;
    counter-reset: phase;
}

.intro-phases li {
    display: flex;
    gap: 0.6rem;
    align-items: baseline;
    padding: 0.7rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    background: var(--bg);
    color: var(--muted);
    counter-increment: phase;
}

.intro-phases li::before {
    content: counter(phase);
    color: var(--accent, var(--brand));
    font: 700 1rem var(--font-mono);
}

.intro-phases strong {
    color: var(--ink);
}

.intro-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    margin: 0;
    padding: 0;
    color: var(--muted);
    font-size: 0.92rem;
    list-style: none;
}

.intro-meta-line {
    margin-top: 1rem;
    color: var(--muted);
}

.notice-inline {
    margin-top: 1.25rem;
    padding: 0.85rem 1rem;
    border-left: 3px solid var(--accent, var(--brand));
    border-radius: 0 var(--radius-small) var(--radius-small) 0;
    background: var(--bg);
    color: var(--muted);
    font-size: 0.92rem;
}

.notice-inline strong {
    color: var(--ink);
}

.daily-steps {
    display: grid;
    gap: 0.6rem;
    margin: 1.5rem 0;
    padding: 0;
    list-style: none;
}

.daily-steps li {
    display: flex;
    gap: 0.75rem;
    align-items: baseline;
    padding: 0.8rem 1rem;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-small);
    background: var(--bg);
    color: var(--muted);
}

.daily-steps strong {
    color: var(--ink);
}

.transition-previous {
    margin-bottom: 1.5rem;
    color: var(--muted);
}

.transition-previous strong {
    color: var(--ink);
    font-family: var(--font-mono);
}

.result {
    text-align: center;
}

.result .actions {
    justify-content: center;
}

.result-note {
    margin-top: 0.5rem;
    font: 700 clamp(4rem, 14vw, 6.5rem)/1 var(--font-mono);
    color: var(--accent, var(--brand));
}

.result-grade {
    margin-top: 0.5rem;
    font: 800 1.6rem var(--font-display);
}

.result-record {
    margin-top: 0.5rem;
    color: var(--muted);
}

.badge {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 700;
}

.badge-record {
    background: var(--brand);
    color: var(--brand-ink);
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    margin: 2rem 0 0;
    text-align: left;
}

.result-stats div {
    padding: 0.8rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-small);
    background: var(--bg);
}

.result-stats dt {
    color: var(--muted);
    font-size: 0.82rem;
}

.result-stats dd {
    margin: 0;
    font: 700 1.15rem var(--font-mono);
}

.final {
    max-width: 880px;
}

.final-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.final .result-note {
    color: var(--brand);
}

.final-title {
    margin-top: 0.75rem;
    color: var(--brand);
    font: 800 1.8rem var(--font-display);
}

.final-description {
    color: var(--muted);
}

.final-notes {
    display: grid;
    gap: 0.4rem;
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.final-notes li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0.85rem;
    border-left: 3px solid var(--accent);
    border-radius: 0 10px 10px 0;
    background: var(--bg);
}

.final-notes strong {
    font-family: var(--font-mono);
}

.final-status {
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.final .streak {
    margin-top: 0.75rem;
}

/* --- Calibration et test du casque -------------------------------------- */

.calibration h2,
.headphones h2 {
    margin-bottom: 0.75rem;
}

.calibration > p,
.headphones > p {
    color: var(--muted);
}

.calibration-pad {
    display: grid;
    place-items: center;
    min-height: 220px;
    margin-top: 1.5rem;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    background: var(--bg-deep);
    touch-action: manipulation;
    user-select: none;
    cursor: pointer;
}

.calibration-status,
.headphones-step {
    min-height: 1.6em;
    margin-top: 1rem;
    color: var(--ink) !important;
    font-weight: 600;
}

/* --- La scène d'une partie (plein écran) ------------------------------- */

body.is-playing {
    overflow: hidden;
}

.stage {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: grid;
    grid-template-rows: auto auto 1fr;
    background: var(--bg-deep);
}

/* Lignes fixes : la zone de jeu prend toute la hauteur restante, avec ou sans bandeau de consigne */
.hud { grid-row: 1; }
.hud-rule { grid-row: 2; }
.arena { grid-row: 3; }

.hud {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.25rem;
    padding: 0.75rem clamp(1rem, 3vw, 1.5rem);
    border-bottom: 1px solid var(--line);
    background: var(--bg);
}

.hud-name {
    font: 800 1.1rem var(--font-display);
}

.hud-phase {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
}

.hud-count {
    margin-left: auto;
    color: var(--muted);
    font: 700 0.95rem var(--font-mono);
}

.hud-quit {
    min-height: 36px;
    padding: 0.3rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    font: 600 0.85rem var(--font-body);
    cursor: pointer;
}

.hud-quit:hover {
    color: var(--ink);
}

.hud-rule {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--accent) 12%, var(--bg));
    font: 800 clamp(1rem, 2.6vw, 1.35rem) var(--font-display);
    text-align: center;
}

.arena {
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
}

.feedback {
    position: fixed;
    left: 50%;
    bottom: clamp(1.5rem, 8vh, 4rem);
    z-index: 55;
    padding: 0.55rem 1.2rem;
    border-radius: 999px;
    background: var(--surface-2);
    font: 700 1.15rem var(--font-mono);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 8px);
    transition: opacity 0.12s ease, transform 0.12s ease;
}

.feedback.is-shown {
    opacity: 1;
    transform: translate(-50%, 0);
}

.feedback[data-tone="good"] { color: var(--good); }
.feedback[data-tone="mid"] { color: var(--mid); }
.feedback[data-tone="bad"] { color: var(--bad); }

.overlay {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: grid;
    place-content: center;
    gap: 1rem;
    justify-items: center;
    padding: 2rem;
    background: color-mix(in srgb, var(--bg-deep) 88%, transparent);
    text-align: center;
}

.overlay[hidden] {
    display: none;
}

.overlay-title {
    color: var(--accent);
    font: 800 clamp(2.2rem, 7vw, 4rem) var(--font-display);
}

.overlay-text {
    max-width: 32rem;
    font-size: clamp(1.1rem, 2.6vw, 1.4rem);
    font-weight: 600;
}

.overlay-count {
    color: var(--accent);
    font: 700 clamp(5rem, 20vw, 9rem)/1 var(--font-mono);
    animation: pop 0.6s ease-out;
}

@keyframes pop {
    from { opacity: 0; transform: scale(1.4); }
    to { opacity: 1; transform: scale(1); }
}

/* Feinte */

/* Consigne inversée (Volte-face) : le bandeau passe au rouge */
.hud-rule.is-inverted {
    background: color-mix(in srgb, var(--bad) 38%, var(--bg));
    color: #fff;
    animation: flip 0.4s ease-out;
}

@keyframes flip {
    from { transform: scaleY(0.4); }
    to { transform: scaleY(1); }
}

/* Le bip de départ (phase 3) : la croix centrale tressaille, sans rien dire du signal à venir */
.stage.is-bip .feinte-fixation {
    animation: twitch 0.2s ease-out;
}

@keyframes twitch {
    from { color: var(--ink); transform: scale(1.4); }
    to { color: var(--line); transform: scale(1); }
}

.feinte-fixation {
    color: var(--line);
    font: 700 3rem var(--font-mono);
}

/* La couleur du signal (--signal) est posée par le script */
.feinte-signal {
    display: grid;
    place-items: center;
    color: var(--signal);
    font: 800 clamp(3rem, 14vw, 7rem) var(--font-display);
    letter-spacing: 0.02em;
}

.feinte-signal svg {
    width: clamp(140px, 30vmin, 240px);
    fill: var(--signal);
}

.feinte-signal[hidden],
.feinte-fixation[hidden] {
    display: none;
}

/* Contretemps */

.beat-pulse {
    width: clamp(120px, 30vmin, 220px);
    aspect-ratio: 1;
    border: 3px solid color-mix(in srgb, var(--contretemps) 45%, transparent);
    border-radius: 50%;
}

.beat-pulse.is-beat {
    animation: beat 0.32s ease-out;
}

.beat-pulse.is-accent {
    animation-name: beat-accent;
}

@keyframes beat {
    from { transform: scale(1.12); background: color-mix(in srgb, var(--contretemps) 30%, transparent); }
    to { transform: scale(1); background: transparent; }
}

@keyframes beat-accent {
    from { transform: scale(1.22); background: color-mix(in srgb, var(--contretemps) 55%, transparent); }
    to { transform: scale(1); background: transparent; }
}

.beat-tempo {
    position: absolute;
    top: 1rem;
    color: var(--muted);
    font: 600 0.9rem var(--font-mono);
}

/* Pénombre */

.penombre-arena {
    background: #050409;
    cursor: crosshair;
}

.penombre-arena.is-drifting {
    background:
        radial-gradient(40% 40% at 30% 40%, #0d0b18, transparent 70%),
        radial-gradient(45% 45% at 70% 60%, #0b0d17, transparent 70%),
        #050409;
    background-size: 200% 200%;
    animation: drift 7s ease-in-out infinite alternate;
}

@keyframes drift {
    from { background-position: 0% 0%; }
    to { background-position: 100% 100%; }
}

.glow {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow) 0%, color-mix(in srgb, var(--glow) 55%, transparent) 35%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.marker {
    position: absolute;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    animation: fade 0.9s ease-out forwards;
}

.marker-target {
    width: 34px;
    height: 34px;
    border: 2px solid var(--penombre);
}

.marker-click {
    width: 10px;
    height: 10px;
    background: var(--ink);
}

@keyframes fade {
    0%,
    60% { opacity: 1; }
    100% { opacity: 0; }
}

/* Tympan */

.tympan-arena {
    grid-template-columns: 1fr auto 1fr;
    place-items: stretch;
}

.tympan-half {
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 0.25rem;
    color: color-mix(in srgb, var(--muted) 40%, transparent);
    font: 700 3rem var(--font-mono);
}

.tympan-half small {
    font-size: 1rem;
}

.tympan-half:first-child {
    border-right: 1px solid var(--line);
}

.tympan-half:last-child {
    border-left: 1px solid var(--line);
}

.tympan-ear {
    display: grid;
    place-items: center;
    padding-inline: clamp(1rem, 5vw, 3rem);
    font-size: 3rem;
    opacity: 0.35;
}

.tympan-ear.is-on {
    animation: ear 0.5s ease-out;
}

@keyframes ear {
    from { opacity: 1; transform: scale(1.15); }
    to { opacity: 0.35; transform: scale(1); }
}

/* --- Mobile ------------------------------------------------------------- */

@media (max-width: 860px) {
    .hero-inner,
    .daily-inner,
    .profile-inner,
    .final-grid {
        grid-template-columns: 1fr;
    }

    .site-nav {
        display: none;
    }

    .header-inner {
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .hero-chips {
        grid-template-columns: 1fr;
    }

    .hud-phase {
        order: 5;
        width: 100%;
    }

    .actions .button {
        flex: 1 1 100%;
    }
}

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

    .pulse-line path {
        stroke-dashoffset: 0;
    }

    .penombre-arena.is-drifting {
        animation: none;
    }
}