:root {
    --ok: #22c55e;
    --apparatus-red: #dc2626;
    --dim: #475569;
}

main {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
    padding: clamp(20px, 5vw, 40px) clamp(16px, 4vw, 20px) 64px;
    padding-left: max(clamp(16px, 4vw, 20px), env(safe-area-inset-left));
    padding-right: max(clamp(16px, 4vw, 20px), env(safe-area-inset-right));
}

.glow {
    position: fixed;
    width: 90vmax;
    height: 90vmax;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.16), transparent 65%);
    animation: drift 18s ease-in-out infinite alternate;
}

.glow.top {
    top: -45vmax;
    left: -40vmax;
}

.glow.bottom {
    bottom: -50vmax;
    right: -45vmax;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.14), transparent 65%);
    animation-duration: 24s;
    animation-direction: alternate-reverse;
}

@keyframes drift {
    to { transform: translate(8vmax, 10vmax) scale(1.1); }
}

.chalk {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.chalk span {
    position: absolute;
    bottom: -10px;
    left: var(--x);
    width: var(--size);
    height: var(--size);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 0 6px rgba(0, 242, 254, 0.8);
    opacity: 0;
    animation: rise var(--duration) linear var(--delay) infinite;
}

@keyframes rise {
    10% { opacity: 0.8; }
    85% { opacity: 0.4; }
    100% { transform: translate(var(--sway), -105vh); opacity: 0; }
}

.animate .enter {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
    transition-delay: var(--delay, 0s);
}

.animate .enter.shown {
    opacity: 1;
    transform: none;
}

header {
    display: flex;
    align-items: center;
    gap: 12px;
}

header img,
.note img {
    filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.5));
}

header img {
    width: 40px;
    height: 40px;
    flex: none;
}

header .back {
    font-size: 0.85rem;
    text-decoration: none;
    color: var(--muted);
    white-space: nowrap;
}

header .back:hover {
    color: var(--neon);
}

.languages {
    margin-top: 20px;
}

.hero {
    text-align: center;
    padding: clamp(40px, 12vw, 72px) 0 clamp(28px, 7vw, 44px);
}

.hero .game {
    margin: 0 0 10px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--cyan);
}

.hero h1 {
    margin: 0;
    font-size: clamp(2rem, 10vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.05;
    color: transparent;
    background: linear-gradient(100deg, #fff 35%, #67e8f9 50%, #fff 65%) 100% 0 / 250% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    filter: drop-shadow(0 0 14px rgba(0, 242, 254, 0.35));
    animation: shimmer 5s ease-in-out infinite;
}

@keyframes shimmer {
    60%, 100% { background-position: 0 0; }
}

.hero .lead {
    margin: 14px 0 0;
    font-size: clamp(1.1rem, 4.5vw, 1.35rem);
    color: var(--text);
}

.target {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 28px;
    padding: 16px 26px;
    border-radius: 24px;
    box-shadow: inset 0 0 0 1.5px rgba(0, 242, 254, 0.3);
    font-weight: 600;
    font-size: clamp(1rem, 4vw, 1.15rem);
    color: #fff;
}

.target::before {
    content: "";
    position: absolute;
    z-index: -2;
    top: 50%;
    left: 50%;
    width: 150%;
    aspect-ratio: 1;
    background: conic-gradient(transparent 0 60%, var(--neon) 80%, transparent);
    transform: translate(-50%, -50%);
    animation: spin 4s linear infinite;
}

.target::after {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 1.5px;
    border-radius: inherit;
    background: #071a24;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(1turn); }
}

.target svg {
    flex: none;
    width: clamp(26px, 7vw, 34px);
    height: clamp(26px, 7vw, 34px);
    color: var(--neon);
}

.target-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.target-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--neon);
}

.target-date {
    font-size: clamp(1.4rem, 7vw, 2.6rem);
    font-weight: 800;
    white-space: nowrap;
    letter-spacing: -0.01em;
    line-height: 1.1;
}

.target-note {
    margin: 12px 0 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
}

.panel {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    padding: clamp(20px, 5vw, 28px);
    margin-bottom: clamp(14px, 4vw, 20px);
}

.panel h2 {
    margin: 0;
    font-size: clamp(1.15rem, 4.8vw, 1.35rem);
    font-weight: 800;
    color: #fff;
}

.rig {
    position: relative;
    margin-top: 22px;
    padding: 36px 12px 0;
    border-left: 5px solid var(--apparatus-red);
    border-right: 5px solid var(--apparatus-red);
}

.rig .bar {
    position: absolute;
    top: 0;
    left: -5px;
    right: -5px;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(#e2e8f0, #64748b);
}

.rig .fill {
    position: relative;
    overflow: hidden;
    display: block;
    width: calc(100% * var(--progress, 0));
    height: 100%;
    border-radius: 3px;
    background: var(--neon);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.7);
    transition: width 1.6s cubic-bezier(0.2, 0.8, 0.2, 1) 0.4s;
}

.animate .enter:not(.shown) .fill {
    width: 0;
}

.rig .fill::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85), transparent);
    transform: translateX(-100%);
    animation: shine 2.4s ease-in-out infinite;
}

@keyframes shine {
    to { transform: translateX(260%); }
}

.steps {
    list-style: none;
    margin: 0;
    padding: 0;
}

.steps li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--dim);
}

.steps li:first-child {
    border-top: none;
}

.animate .enter .steps li {
    opacity: 0;
    transform: translateX(-14px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    transition-delay: calc(0.35s + var(--i, 0) * 0.09s);
}

.animate .enter.shown .steps li {
    opacity: 1;
    transform: none;
}

.steps .mark {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    flex: none;
    position: relative;
    border-radius: 50%;
    border: 2px solid var(--dim);
}

.steps .label {
    font-weight: 600;
    font-size: 1.02rem;
}

.steps .state {
    margin-left: auto;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
}

.steps li.done {
    color: var(--text);
}

.steps li.done .mark {
    border-color: var(--ok);
    background: var(--ok);
}

.animate .enter.shown .steps li.done .mark {
    animation: pop 0.5s cubic-bezier(0.3, 1.6, 0.5, 1) both;
    animation-delay: calc(0.45s + var(--i, 0) * 0.09s);
}

@keyframes pop {
    from { transform: scale(0.3); }
}

.steps li.done .mark::after {
    content: "";
    width: 10px;
    height: 5px;
    margin-top: -3px;
    border-left: 2.5px solid #020617;
    border-bottom: 2.5px solid #020617;
    transform: rotate(-45deg);
}

.steps li.done .state {
    color: var(--ok);
}

.steps li.now {
    color: #fff;
}

.steps li.now .mark {
    border-color: var(--neon);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.6);
}

.steps li.now .mark::after {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--neon);
    animation: pulse 1.2s ease-in-out infinite alternate;
}

@keyframes pulse {
    from { opacity: 0.35; }
    to { opacity: 1; }
}

.steps li.now .mark::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    border: 2px solid var(--neon);
    animation: ripple 1.8s ease-out infinite;
}

@keyframes ripple {
    from { transform: scale(1); opacity: 0.8; }
    to { transform: scale(1.9); opacity: 0; }
}

.steps li.now .state {
    color: var(--neon);
}

.steps li.half {
    color: #fff;
}

.steps li.half .mark {
    border-color: rgba(0, 242, 254, 0.2);
}

.steps li.half .mark::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: conic-gradient(from -90deg, transparent 0 50%, rgba(0, 242, 254, 0.25) 52%, var(--neon) 100%);
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2.5px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 2.5px));
    filter: drop-shadow(0 0 4px var(--neon));
    animation: orbit 2.6s linear infinite;
}

.steps li.half .mark::after {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(90deg, var(--neon) 50%, rgba(0, 242, 254, 0.18) 50%);
    box-shadow: 0 0 8px rgba(0, 242, 254, 0.7);
}

@keyframes orbit {
    to { transform: rotate(1turn); }
}

.steps li.half .state {
    color: var(--neon);
}

.updated {
    margin: 12px 0 0;
    font-size: 0.8rem;
    color: var(--muted);
}

.safe {
    display: flex;
    align-items: center;
    gap: 16px;
}

.safe svg {
    flex: none;
    color: var(--ok);
}

.safe p,
.note p {
    margin: 6px 0 0;
    color: var(--muted);
    line-height: 1.5;
}

.note {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.note img {
    width: 48px;
    height: 48px;
    flex: none;
    animation: float 3s ease-in-out infinite alternate;
}

@keyframes float {
    to { transform: translateY(-5px); }
}

.note .lines p {
    margin: 0 0 6px;
    font-size: 1.05rem;
    color: var(--text);
}

.note .signature {
    margin-top: 12px;
    font-weight: 600;
    color: var(--cyan);
}

.more {
    margin: clamp(24px, 6vw, 36px) 0 16px;
    text-align: center;
    font-size: 1.05rem;
    color: var(--muted);
}

.follow {
    position: relative;
    overflow: hidden;
    display: block;
    max-width: 360px;
    margin: 0 auto;
    padding: 16px 24px;
    border-radius: 16px;
    border: 1px solid rgba(0, 242, 254, 0.6);
    background: rgba(6, 182, 212, 0.15);
    color: #fff;
    font-weight: 600;
    font-size: 1.05rem;
    text-align: center;
    text-decoration: none;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.follow::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 50%;
    background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.35), transparent);
    transform: translateX(-120%);
    animation: sweep 3.2s ease-in-out infinite;
}

@keyframes sweep {
    60%, 100% { transform: translateX(260%); }
}

.follow:hover {
    box-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
    transform: translateY(-3px);
}

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