/* OCYLAi Landing Page — Executive-Friendly Dark Theme */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0a0a0a;
    --surface: #111;
    --surface-alt: #151515;
    --border: #252525;
    --text: #d4d4d4;
    --text-dim: #777;
    --text-bright: #f0f0f0;
    --accent: #39ff14;
    --accent-dim: rgba(57, 255, 20, 0.12);
    --accent-border: rgba(57, 255, 20, 0.25);
    --mono: "Courier New", Courier, monospace;
    --sans: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

html, body {
    min-height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
}

/* --- Container --- */

.landing-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 20px;
    padding-bottom: 60px;
}

/* --- Header --- */

.landing-header {
    text-align: center;
    padding: 40px 0 30px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}

.landing-brand {
    font-family: var(--mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
    margin-bottom: 6px;
}

.landing-tagline {
    font-size: 14px;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* --- Sections --- */

.landing-section {
    margin-bottom: 36px;
}

.landing-section h1 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 12px;
}

.landing-section h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.landing-section h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 6px;
}

.landing-section p {
    color: var(--text);
    font-size: 15px;
    line-height: 1.7;
}

/* --- Lists --- */

.landing-list {
    list-style: none;
    padding: 0;
}

.landing-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 15px;
    color: var(--text);
}

.landing-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* --- Steps --- */

.landing-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.landing-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 12px 14px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.step-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    border-radius: 50%;
}

.step-text {
    font-size: 15px;
    color: var(--text);
    padding-top: 3px;
}

/* --- Access Section --- */

.landing-access {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 20px;
    margin-top: 40px;
}

.landing-access h2 {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 10px;
}

.landing-token-form {
    display: flex;
    gap: 10px;
    margin: 16px 0;
}

#landing-token {
    flex: 1;
    padding: 12px 14px;
    font-family: var(--mono);
    font-size: 14px;
    color: var(--text-bright);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
}

#landing-token:focus {
    border-color: var(--accent-border);
}

#landing-token::placeholder {
    color: var(--text-dim);
    font-family: var(--sans);
}

#landing-go {
    padding: 12px 24px;
    font-family: var(--mono);
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid var(--accent-border);
    border-radius: 8px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#landing-go:hover {
    background: rgba(57, 255, 20, 0.2);
}

#landing-go:active {
    background: rgba(57, 255, 20, 0.25);
}

.landing-help {
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 8px;
}

.landing-help a {
    color: var(--accent);
    text-decoration: none;
}

.landing-help a:hover {
    text-decoration: underline;
}

/* --- About Section --- */

.landing-about-item {
    margin-bottom: 20px;
    padding: 16px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.landing-about-item:last-child {
    margin-bottom: 0;
}

.landing-about-item p {
    font-size: 14px;
    color: var(--text-dim);
}

/* --- Privacy Section --- */

.landing-privacy {
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.landing-privacy h2 {
    border-bottom: none;
    margin-bottom: 12px;
}

.landing-privacy .landing-list li {
    font-size: 14px;
    margin-bottom: 8px;
}

/* --- Footer --- */

.landing-footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 40px;
    border-top: 1px solid var(--border);
}

.landing-footer p {
    font-size: 13px;
    color: var(--text-dim);
}

.landing-footer-sub {
    font-size: 12px;
    color: var(--text-dim);
    opacity: 0.7;
    margin-top: 4px;
}

/* --- Responsive --- */

@media (max-width: 480px) {
    .landing-container {
        padding: 0 16px;
    }

    .landing-header {
        padding: 30px 0 24px;
    }

    .landing-brand {
        font-size: 24px;
    }

    .landing-token-form {
        flex-direction: column;
    }

    #landing-go {
        width: 100%;
    }

    .landing-access {
        padding: 20px 16px;
    }
}
