@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&family=Space+Mono:wght@400;700&display=swap');

:root {
    --bg:      #ffffff;
    --ink:     #000000;
    --accent:  #2563eb;
    --muted:   #6b7280;
    --border:  rgba(0,0,0,0.05);
    --glass:   rgba(255,255,255,0.7);
    --surface: #fafafa;
}

[data-theme="dark"] {
    --bg:      #050505;
    --ink:     #ffffff;
    --accent:  #d9ff00;
    --muted:   #9ca3af;
    --border:  rgba(255,255,255,0.06);
    --glass:   rgba(5,5,5,0.7);
    --surface: #0f0f0f;
}

[data-theme="dark"] .module:hover {
    box-shadow: none;
}

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

body {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Plus Jakarta Sans', sans-serif;
    padding: 60px 40px;
    transition: background 0.3s, color 0.3s;
}

header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto 80px;
}

.logo {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 4rem;
    font-style: italic;
}

.tagline {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted);
    margin-top: 16px;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--ink);
    cursor: pointer;
    padding: 8px;
    border-radius: 12px;
    transition: opacity 0.2s;
}

.theme-toggle:hover {
    opacity: 0.6;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }
    body {
        padding: 60px 80px;
    }
}

.module {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 35px;
    height: 320px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.module:hover {
    border-color: var(--ink);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}

.module--cta {
    background: var(--ink);
    color: var(--bg);
}

.module--cta:hover {
    border-color: var(--accent);
}

.module--link {
    text-decoration: none;
    color: inherit;
    display: flex;
    cursor: pointer;
}

.label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 700;
}

.title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 1.875rem;
    margin-bottom: 8px;
}

.desc {
    font-size: 0.875rem;
    color: var(--muted);
}

.module--cta .desc {
    color: var(--bg);
    opacity: 0.6;
}

.btn {
    background: var(--bg);
    color: var(--ink);
    border: none;
    border-radius: 12px;
    padding: 14px 32px;
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-top: 16px;
}

.btn:hover {
    opacity: 0.8;
}

.footer {
    font-family: 'Space Mono', monospace;
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 700;
    margin: 96px auto 0;
    padding: 24px 0 0;
    max-width: 1200px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    text-align: center;
    color: var(--muted);
    line-height: 1.6;
}

.footer a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

@media (min-width: 640px) {
    .footer {
        flex-direction: row;
        justify-content: space-between;
    }
    .footer-inner {
        flex-direction: row;
        gap: 4px;
    }
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.hidden { display: none; }

.modal {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 32px;
    max-width: 480px;
    width: 100%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--muted);
    cursor: pointer;
}

.modal-close:hover { color: var(--ink); }

.modal-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.modal-title {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}

.modal-field {
    margin-bottom: 16px;
}

.modal-field-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    text-transform: uppercase;
    font-weight: 700;
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
}

.modal-input {
    width: 100%;
    background: var(--surface);
    color: var(--ink);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 16px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.9rem;
}

.modal-input:focus {
    outline: none;
    border-color: var(--accent);
}

.modal-textarea {
    resize: vertical;
    min-height: 100px;
}

.modal-btn {
    width: 100%;
    background: var(--ink);
    color: var(--bg);
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    margin-top: 8px;
}

.modal-btn:hover { opacity: 0.8; }
.modal-btn:disabled { opacity: 0.3; cursor: default; }

.modal-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    margin-top: 12px;
    text-align: center;
}

.modal-status--success { color: var(--success, #16a34a); }
.modal-status--error { color: var(--error, #dc2626); }