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

:root {
    --bg: #0f0f0f;
    --surface: #1a1a1a;
    --surface-2: #222222;
    --amber: #C49A6C;
    --amber-dim: rgba(196, 154, 108, 0.12);
    --teal: #7EBDC2;
    --text: #e8e8e8;
    --text-secondary: #999999;
    --border: #2a2a2a;
    --radius: 6px;
    --max-width: 1100px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Navigation ---- */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    height: 56px;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--amber);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 10px;
    border-radius: var(--radius);
    transition: color 150ms ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    background: var(--amber);
    color: var(--bg) !important;
    font-weight: 600;
}

.nav-cta:hover {
    opacity: 0.85;
}

.nav-burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-burger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
}

/* ---- Hero ---- */

.hero {
    padding: 140px 0 80px;
    border-bottom: 1px solid var(--border);
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text);
    max-width: 700px;
}

.hero-sub {
    font-size: 18px;
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 520px;
}

.hero-location {
    font-size: 14px;
    color: var(--amber);
    margin-top: 12px;
    font-weight: 600;
}

.hero .btn {
    margin-top: 32px;
}

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: opacity 150ms ease;
}

.btn:hover {
    opacity: 0.85;
}

.btn-primary {
    background: var(--amber);
    color: var(--bg);
}

/* ---- Sections ---- */

.section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border);
}

.section-alt {
    background: var(--surface);
}

.section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}

.section-intro {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 640px;
    margin-bottom: 40px;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 32px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.stat-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--amber);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* ---- Tracks ---- */

.track-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.track-card {
    padding: 24px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.section-alt .track-card {
    background: var(--bg);
}

.track-icon {
    font-size: 24px;
    display: block;
    margin-bottom: 12px;
}

.track-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.track-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---- Attend ---- */

.attend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.attend-item {
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.attend-item strong {
    display: block;
    font-size: 15px;
    margin-bottom: 4px;
}

.attend-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ---- Equity ---- */

.equity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.equity-block {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.section-alt .equity-block {
    background: var(--bg);
}

.equity-block h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.equity-block ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.equity-block li {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    padding-left: 16px;
    position: relative;
}

.equity-block li::before {
    content: "\2014";
    position: absolute;
    left: 0;
    color: var(--amber);
}

/* ---- IP Protection ---- */

.ip-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.ip-item {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.ip-item h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--amber);
}

.ip-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ---- FAQ ---- */

.faq-list {
    max-width: 700px;
    margin-top: 32px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 0;
    background: none;
    border: none;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.faq-question::after {
    content: "+";
    font-size: 18px;
    color: var(--text-secondary);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.open .faq-question::after {
    content: "\2212";
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 200ms ease;
}

.faq-answer p {
    padding-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- Form ---- */

.eoi-form {
    max-width: 640px;
    margin-top: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 150ms ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--amber);
}

.form-group textarea {
    resize: vertical;
}

.form-group select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 150ms ease;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23999' d='M1.4 0L6 4.6 10.6 0 12 1.4l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.form-group select:focus {
    border-color: var(--amber);
}

.form-fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}

.form-fieldset legend {
    font-size: 14px;
    font-weight: 600;
    padding: 0 8px;
    color: var(--text);
}

.fieldset-hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 0;
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--amber);
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    margin-top: 8px;
}

.form-success {
    margin-top: 32px;
    padding: 24px;
    border: 1px solid var(--amber);
    border-radius: var(--radius);
    background: var(--amber-dim);
}

.form-success h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--amber);
}

.form-success p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ---- Footer ---- */

.footer {
    padding: 40px 0;
}

.footer-inner {
    text-align: center;
}

.footer-logo {
    font-weight: 700;
    color: var(--amber);
    margin-bottom: 4px;
}

.footer p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

/* ---- Mobile ---- */

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 16px 24px;
        gap: 4px;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-burger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-sub {
        font-size: 16px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-stats {
        flex-direction: row;
        gap: 12px;
    }

    .stat {
        flex: 1;
    }

    .stat-num {
        font-size: 28px;
    }

    .equity-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .about-stats {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 28px;
    }

    .checkbox-grid {
        grid-template-columns: 1fr;
    }
}