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

:root {
    --bg-primary: #000000;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --font-display: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Landing Content ===== */
.landing {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== Title ===== */
.title {
    font-family: var(--font-display);
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: #ffffff;
}

/* ===== Subtitle ===== */
.subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 60px;
}

/* ===== Enter Button ===== */
.enter-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 48px;
    border: 2px solid #ffffff;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-arrow {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.enter-btn:hover {
    background: #ffffff;
    color: #000000;
}

.enter-btn:hover .btn-arrow {
    transform: translateX(6px);
}

.enter-btn:active {
    transform: scale(0.98);
}

/* Clicked state */
.enter-btn.clicked {
    background: #ffffff;
    color: #000000;
    transform: scale(1.1);
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ===== Footnote ===== */
.footnote {
    margin-top: 80px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #666666;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

/* ===== Page Transition ===== */
body.transitioning {
    animation: pageOut 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageOut {
    to {
        opacity: 0;
    }
}

/* ===== Password Gate ===== */
.pass-gate {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.pass-gate.visible {
    display: flex;
    opacity: 1;
    transform: translateY(0);
    animation: gateIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes gateIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}
.pass-row {
    display: flex;
    align-items: center;
    border: 2px solid #333333;
    transition: border-color 0.2s;
}
.pass-row:focus-within {
    border-color: #ffffff;
}
.pass-input {
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    padding: 14px 20px;
    width: 260px;
}
.pass-input::placeholder {
    color: #555555;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.85rem;
}
.pass-submit {
    background: transparent;
    border: none;
    border-left: 1px solid #333333;
    color: #666666;
    padding: 14px 16px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
    display: flex; align-items: center; justify-content: center;
}
.pass-submit:hover {
    color: #ffffff;
    background: rgba(255,255,255,0.05);
}
.pass-error {
    font-size: 0.75rem;
    font-weight: 500;
    color: #ff4444;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    height: 18px;
}
.pass-input.shake {
    animation: shake 0.4s ease;
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%      { transform: translateX(-8px); }
    40%      { transform: translateX(8px); }
    60%      { transform: translateX(-5px); }
    80%      { transform: translateX(5px); }
}