/* CODE GATE */
.gate {
    position: fixed;
    inset: 0;
    background: #030303;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
.gate.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.gate-logo {
    font-family: 'Instrument Serif', serif;
    font-size: 4rem;
    font-weight: 700;
    color: #EDEDED;
    margin-bottom: 0.5rem;
}
.gate-stamp {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: #D4C5A9;
    border: 1px solid #D4C5A9;
    padding: 0.3rem 0.8rem;
    transform: rotate(-3deg);
    margin-bottom: 3rem;
}
.gate-input-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.gate-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: #888888;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.gate-input {
    background: #0A0A0A;
    border: 1px solid #1F1F1F;
    color: #EDEDED;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25rem;
    padding: 0.75rem 1.5rem;
    text-align: center;
    letter-spacing: 0.2em;
    width: 280px;
    border-radius: 4px;
    transition: border-color 0.2s;
}
.gate-input:focus {
    outline: none;
    border-color: #D4C5A9;
}
.gate-input.error {
    border-color: #8B3A3A;
    animation: shake 0.4s ease;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}
.gate-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: #888888;
    opacity: 0.6;
}

/* HEADER WITH STAMP */
.header-logo-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.header-stamp {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.55rem;
    letter-spacing: 0.1em;
    color: #D4C5A9;
    border: 1px solid #D4C5A9;
    padding: 0.2rem 0.5rem;
    transform: rotate(-3deg);
}

/* CONTENT REVEAL */
body.locked header,
body.locked main,
body.locked footer {
    opacity: 0;
}
body.unlocked header,
body.unlocked main,
body.unlocked footer {
    animation: fadeUp 0.8s ease forwards;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}